Mercurial > almixer_isolated

annotate SDL_ALmixer.c @ 0:01e39f9f58d5

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Bitkeeper era.
author Eric Wing <ewing . public |-at-| gmail . com>
date Wed, 27 Oct 2010 16:50:19 -0700
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children a8a8fe374984
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0
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1
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2 /* Here's an OpenAL implementation modeled after
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3 * the SDL_SoundMixer which was built ontop of SDL_Mixer
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4 * and SDL_Sound.
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5 * Eric Wing
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6 */
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7
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8 #include "SDL_ALmixer.h"
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9
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10 #include "SDL.h" /* For SDL_GetTicks(), SDL_Delay */
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11 #include "al.h" /* OpenAL */
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12 #include "alc.h" /* For creating OpenAL contexts */
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13
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14 /* For malloc, bsearch, qsort */
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15 #include <stdlib.h>
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16
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17 /* For memcpy */
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18 #include <string.h>
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19
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20 #if 0
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21 /* for toupper */
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22 #include <ctype.h>
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23 /* for strrchr */
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24 #include <string.h>
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25 #endif
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26
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27 /* Currently used in the output debug functions */
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28 #include <stdio.h>
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29
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30 /* My own CircularQueue implementation needed
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31 * to work around the Nvidia problem of the
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32 * lack of a buffer query.
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33 */
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34 #include "CircularQueue.h"
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35
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36 /* Needed for the Mutex locks (and threads if enabled) */
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37 #include "SDL_thread.h"
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38
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39 /* Because of the API differences between the Loki
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40 * and Creative distributions, we need to know which
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41 * version to use. The LOKI distribution currently
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42 * has AL_BYTE_LOKI defined in altypes.h which
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43 * I will use as a flag to identify the distributions.
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44 * If this is ever removed, I might revert back to the
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45 * if defined(_WIN32) or defined(__APPLE__) test to
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46 * identify the Creative dist.
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47 * I'm not sure if or how the Nvidia distribution differs
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48 * from the Creative distribution. So for
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49 * now, the Nvidia distribution gets lumped with the
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50 * Creative dist and I hope nothing will break.
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51 * My aluGetErrorString may be the most vulnerable.
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52 */
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53 #ifdef AL_BYTE_LOKI
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54 #define USING_LOKI_AL_DIST
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55 /* This is a short term fix to get around the
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56 * queuing problem with non-power of two buffer sizes.
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57 * Hopefully the maintainers will fix this before
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58 * we're ready to ship.
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59 */
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60 #define ENABLE_LOKI_QUEUE_FIX_HACK
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61
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62 /* The AL_GAIN in the Loki dist doesn't seem to do
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63 * what I want/expect it to do. I want to use it for
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64 * Fading, but it seems to work like an off/on switch.
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65 * 0 = off, >0 = on.
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66 * The AL_GAIN_LINEAR_LOKI switch seems to do what
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67 * I want, so I'll redefine it here so the code is consistent
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68 */
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69 /* Update: I've changed the source volume implementations
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70 * to use AL_MAX_GAIN, so I don't think I need this block
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71 * of code anymore. The listener uses AL_GAIN, but I
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72 * hope they got this one right since there isn't a AL_MAX_GAIN
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73 * for the listener.
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74 */
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75 /*
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76 #undef AL_GAIN
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77 #include "alexttypes.h"
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78 #define AL_GAIN AL_GAIN_LINEAR_LOKI
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79 */
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80 #else
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81 /* Might need to run other tests to figure out the DIST */
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82 /* I've been told that Nvidia doesn't define constants
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83 * in the headers like Creative. Instead of
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84 * #define AL_REFERENCE_DISTANCE 0x1020,
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85 * Nvidia prefers you query OpenAL for a value.
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86 * int AL_REFERENCE_DISTANCE = alGetEnumValue(ALubyte*)"AL_REFERNECE_DISTANCE");
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87 * So I'm assuming this means the Nvidia lacks this value.
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88 * If this is the case,
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89 * I guess we can use it to identify the Nvidia dist
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90 */
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91 #ifdef AL_REFERENCE_DISTANCE
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92 #define USING_CREATIVE_AL_DIST
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93 #else
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94 #define USING_NVIDIA_AL_DIST
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95 #endif
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96 #endif
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97
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98 #ifdef ENABLE_LOKI_QUEUE_FIX_HACK
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99 /* Need memset to zero out data */
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100 #include <string.h>
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101 #endif
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102
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103
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104 /* Seek issues for predecoded samples:
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105 * The problem is that OpenAL makes us copy an
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106 * entire buffer if we want to use it. This
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107 * means we potentially have two copies of the
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108 * same data. For predecoded data, this can be a
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109 * large amount of memory. However, for seek
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110 * support, I need to be able to get access to
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111 * the original data so I can set byte positions.
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112 * The following flags let you disable seek support
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113 * if you don't want the memory hit, keep everything,
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114 * or let you try to minimize the memory wasted by
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115 * fetching it from the OpenAL buffer if needed
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116 * and making a copy of it.
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117 * Update: I don't think I need this flag anymore. I've made the
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118 * effects of this user customizable by the access_data flag on load.
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119 * If set to true, then seek and data callbacks work, with the
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120 * cost of more memory and possibly CPU for copying the data through
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121 * the callbacks. If false, then the extra memory is freed, but
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122 * you don't get the features.
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123 */
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124 /*
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125 #define DISABLE_PREDECODED_SEEK
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126 */
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127 /* Problem: Even though alGetBufferi(., AL_DATA, .)
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128 * is in the Creative Programmer's reference,
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129 * it actually isn't in the dist. (Invalid enum
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130 * in Creative, can't compile in Loki.)
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131 * So we have to keep it disabled
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132 */
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133 #define DISABLE_SEEK_MEMORY_OPTIMIZATION
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134
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135 #ifndef DISABLE_SEEK_MEMORY_OPTIMIZATION
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136 /* Needed for memcpy */
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137 #include <string.h>
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138 #endif
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139
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140 /* Old way of doing things:
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141 #if defined(_WIN32) || defined(__APPLE__)
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142 #define USING_CREATIVE_AL_DIST
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143 #else
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144 #define USING_LOKI_AL_DIST
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145 #endif
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146 */
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147
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148 /************ REMOVE ME (Don't need anymore) ********/
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149 #if 0
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150 /* Let's get fancy and see if triple buffering
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151 * does anything good for us
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152 * Must be 2 or more or things will probably break
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153 */
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154 #define NUMBER_OF_QUEUE_BUFFERS 5
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155 /* This is the number of buffers that are queued up
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156 * when play first starts up. This should be at least 1
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157 * and no more than NUMBER_OF_QUEUE_BUFFERS
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158 */
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159 #define NUMBER_OF_START_UP_BUFFERS 2
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160 #endif
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161 /************ END REMOVE ME (Don't need anymore) ********/
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162
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163 static Uint8 ALmixer_Initialized = 0;
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164 /* This should be set correctly by Init */
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165 static Uint32 ALmixer_Frequency_global = ALMIXER_DEFAULT_FREQUENCY;
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166
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167 /* Will be initialized in Init */
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168 static Sint32 Number_of_Channels_global = 0;
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169 static Sint32 Number_of_Reserve_Channels_global = 0;
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170 static Uint32 Is_Playing_global = 0;
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171
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172 /* This is for a simple lock system. It is not meant to be good,
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173 * but just sufficient to minimize/avoid threading issues
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174 */
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175 static SDL_mutex* simple_lock;
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176
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177 #ifdef ENABLE_ALMIXER_THREADS
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178 static SDL_Thread* Stream_Thread_global = NULL;
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179 #endif
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180
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181
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182 /* If ENABLE_PARANOID_SIGNEDNESS_CHECK is used,
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183 * these values will be reset on Init()
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184 * Consider these values Read-Only.
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185 */
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186
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187 #define ALMIXER_SIGNED_VALUE 127
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188 #define ALMIXER_UNSIGNED_VALUE 255
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189
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190 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
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191 static Uint16 SIGN_TYPE_16_BIT_FORMAT = AUDIO_S16SYS;
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192 static Uint16 SIGN_TYPE_8_BIT_FORMAT = AUDIO_S8;
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193 #else
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194 static const Uint16 SIGN_TYPE_16_BIT_FORMAT = AUDIO_S16SYS;
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195 static const Uint16 SIGN_TYPE_8_BIT_FORMAT = AUDIO_S8;
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196 #endif
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197
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198 static struct ALmixer_Channel
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199 {
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200 Uint8 channel_in_use;
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201 Uint8 callback_update; /* For streaming determination */
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202 Uint8 needs_stream; /* For streaming determination */
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203 Uint8 halted;
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204 Uint8 paused;
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205 ALuint alsource;
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206 ALmixer_Data* almixer_data;
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207 Sint32 loops;
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208 Sint32 expire_ticks;
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209 Uint32 start_time;
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210
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211 Uint8 fade_enabled;
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212 Uint32 fade_expire_ticks;
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213 Uint32 fade_start_time;
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214 ALfloat fade_inv_time;
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215 ALfloat fade_start_volume;
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216 ALfloat fade_end_volume;
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217 ALfloat max_volume;
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218 ALfloat min_volume;
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219
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220 /* Do we need other flags?
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221 Uint8 *samples;
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222 int volume;
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223 int looping;
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224 int tag;
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225 Uint32 expire;
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226 Uint32 start_time;
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227 Mix_Fading fading;
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228 int fade_volume;
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229 Uint32 fade_length;
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230 Uint32 ticks_fade;
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231 effect_info *effects;
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232 */
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233 } *ALmixer_Channel_List = NULL;
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234
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235 /* This will be used to find a channel if the user supplies a source */
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236 typedef struct Source_Map
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237 {
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238 ALuint source;
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239 Sint32 channel;
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240 } Source_Map;
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241 /* Keep an array of all sources with their associated channel */
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242 static Source_Map* Source_Map_List;
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243
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244 static int Compare_Source_Map(const void* a, const void* b)
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245 {
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246 return ( ((Source_Map*)a)->source - ((Source_Map*)b)->source );
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247 }
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248
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249 /* Sort by channel instead of source */
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250 static int Compare_Source_Map_by_channel(const void* a, const void* b)
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251 {
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252 return ( ((Source_Map*)a)->channel - ((Source_Map*)b)->channel );
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253 }
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254
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255 /* Compare by albuffer */
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256 static int Compare_Buffer_Map(const void* a, const void* b)
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257 {
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258 return ( ((Buffer_Map*)a)->albuffer - ((Buffer_Map*)b)->albuffer );
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259 }
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260
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261 /* This is for the user defined callback via
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262 * ALmixer_ChannelFinished()
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263 */
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264 static void (*Channel_Done_Callback)(Sint32 channel, void* userdata) = NULL;
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265 static void* Channel_Done_Callback_Userdata = NULL;
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266 static void (*Channel_Data_Callback)(Sint32 which_channel, Uint8* data, Uint32 num_bytes, Uint32 frequency, Uint8 channels, Uint8 bitdepth, Uint16 format, Uint8 decode_mode) = NULL;
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267
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268
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269 /* I thought OpenAL seemed to lack an error number to string converter...
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270 * but I was wrong. Apparently they call it alGetString() which
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271 * breaks from the OpenGL gluGetErrorString() convention.
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272 * (And since the documentation for OpenAL is so bad, I didn't see
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273 * it until I had already written my own aluGetErrorString().)
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274 * So for convenience, I will just call alGetString from here.
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275 */
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276 static const ALubyte* aluGetErrorString(ALenum error)
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277 {
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278 return alGetString(error);
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279
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280 #if 0
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281 switch(error)
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282 {
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283 case AL_NO_ERROR:
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284 return NULL;
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285 break;
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286 case AL_INVALID_NAME:
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287 return "Invalid name (ID)";
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288 break;
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289 case AL_INVALID_VALUE:
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290 return "Invalid value";
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291 break;
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292 case AL_OUT_OF_MEMORY:
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293 return "Out of memory";
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294 break;
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295 /* Damn, even the error values are skewed between distributions */
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296 /* For the Creative Labs distributions (don't know about Nvidia) */
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297 /* For the Loki based distributions */
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298 #ifdef USING_LOKI_AL_DIST
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299 case AL_ILLEGAL_ENUM:
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300 return "Invalid enum value";
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301 break;
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302 case AL_ILLEGAL_COMMAND:
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303 return "Requested operation is not valid";
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304 break;
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305 /*
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306 #elif USING_CREATIVE_AL_DIST
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307 */
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308 #else
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309 case AL_INVALID_ENUM:
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310 return "Invalid enum value";
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311 break;
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312 case AL_INVALID_OPERATION:
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313 return "Requested operation is not valid";
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314 break;
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315 /*
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316 #elif USING_NVIDIA_AL_DIST
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317 */
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318 /*
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319 case alGetEnumValue((ALubyte*)"??????");
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320 */
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321 #endif
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322 default:
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323 return "Unknown error value passed to aluGetErrorString()";
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324 break;
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325 }
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326
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327 /* Make compiler happy */
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328 return NULL;
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329 #endif
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330 }
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331
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332
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333 static void PrintQueueStatus(ALuint source)
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334 {
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335 ALint buffers_queued = 0;
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336 ALint buffers_processed = 0;
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337 ALenum error;
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338
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339 /* Get the number of buffers still queued */
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340 alGetSourcei(
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341 source,
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342 AL_BUFFERS_QUEUED,
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343 &buffers_queued
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344 );
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345
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346 if((error = alGetError()) != AL_NO_ERROR)
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347 {
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348 fprintf(stderr, "Error in PrintQueueStatus, Can't get buffers_queued: %s\n",
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349 aluGetErrorString(error));
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350 }
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351 /* Get the number of buffers processed
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352 * so we know if we need to refill
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353 */
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354 alGetSourcei(
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355 source,
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356 AL_BUFFERS_PROCESSED,
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357 &buffers_processed
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358 );
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359 if((error = alGetError()) != AL_NO_ERROR)
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360 {
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361 fprintf(stderr, "Error in PrintQueueStatus, Can't get buffers_processed: %s\n",
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362 aluGetErrorString(error));
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363 }
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364
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365 fprintf(stderr, "For source: %d, buffers_queued=%d, buffers_processed=%d\n",
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366 source,
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367 buffers_queued,
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368 buffers_processed);
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369 }
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370
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371
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372
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373 static void Init_Channel(Sint32 channel)
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374 {
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375
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376 fprintf(stderr, "Init channel %d\n", channel);
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377 ALmixer_Channel_List[channel].channel_in_use = 0;
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378 ALmixer_Channel_List[channel].callback_update = 0;
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379 ALmixer_Channel_List[channel].needs_stream = 0;
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380 ALmixer_Channel_List[channel].paused = 0;
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381 ALmixer_Channel_List[channel].halted = 0;
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382 ALmixer_Channel_List[channel].loops = 0;
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383
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384 ALmixer_Channel_List[channel].expire_ticks = 0;
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385 ALmixer_Channel_List[channel].start_time = 0;
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386
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387 ALmixer_Channel_List[channel].fade_enabled = 0;
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388 ALmixer_Channel_List[channel].fade_expire_ticks = 0;
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389 ALmixer_Channel_List[channel].fade_start_time = 0;
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390 ALmixer_Channel_List[channel].fade_inv_time = 0.0f;
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391 ALmixer_Channel_List[channel].fade_start_volume = 0.0f;
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392 ALmixer_Channel_List[channel].fade_end_volume = 0.0f;
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393 ALmixer_Channel_List[channel].max_volume = 1.0f;
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394 ALmixer_Channel_List[channel].min_volume = 0.0f;
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395
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396 ALmixer_Channel_List[channel].almixer_data = NULL;
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397 }
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398 /* Quick helper function to clean up a channel
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399 * after it's done playing */
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400 static void Clean_Channel(Sint32 channel)
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401 {
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Eric Wing <ewing . public |-at-| gmail . com>
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402 ALenum error;
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403 ALmixer_Channel_List[channel].channel_in_use = 0;
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404 ALmixer_Channel_List[channel].callback_update = 0;
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405 ALmixer_Channel_List[channel].needs_stream = 0;
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406 ALmixer_Channel_List[channel].paused = 0;
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407 ALmixer_Channel_List[channel].halted = 0;
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408 ALmixer_Channel_List[channel].loops = 0;
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409
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410
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411 ALmixer_Channel_List[channel].expire_ticks = 0;
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412 ALmixer_Channel_List[channel].start_time = 0;
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413
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414 ALmixer_Channel_List[channel].fade_enabled = 0;
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415 ALmixer_Channel_List[channel].fade_expire_ticks = 0;
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416 ALmixer_Channel_List[channel].fade_start_time = 0;
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417 ALmixer_Channel_List[channel].fade_inv_time = 0.0f;
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418 ALmixer_Channel_List[channel].fade_start_volume = 0.0f;
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419 ALmixer_Channel_List[channel].fade_end_volume = 0.0f;
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420
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421 alSourcef(ALmixer_Channel_List[channel].alsource, AL_MAX_GAIN,
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diff changeset
422 ALmixer_Channel_List[channel].max_volume);
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423
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424 if((error = alGetError()) != AL_NO_ERROR)
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diff changeset
425 {
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426 fprintf(stderr, "10Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
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427 aluGetErrorString(error));
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diff changeset
428 }
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diff changeset
429
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diff changeset
430 alSourcef(ALmixer_Channel_List[channel].alsource, AL_MIN_GAIN,
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431 ALmixer_Channel_List[channel].min_volume);
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432 if((error = alGetError()) != AL_NO_ERROR)
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433 {
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434 fprintf(stderr, "11Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
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435 aluGetErrorString(error));
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parents:
diff changeset
436 }
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parents:
diff changeset
437
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parents:
diff changeset
438 if(ALmixer_Channel_List[channel].almixer_data != NULL)
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parents:
diff changeset
439 {
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Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
440 if(ALmixer_Channel_List[channel].almixer_data->in_use > 0)
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parents:
diff changeset
441 {
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442 ALmixer_Channel_List[channel].almixer_data->in_use--;
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diff changeset
443 }
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parents:
diff changeset
444 }
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Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
445 /* Needed to determine if rewind is needed, can't reset */
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diff changeset
446 /*
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447 ALmixer_Channel_List[channel].almixer_data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
448 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
449
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
450 ALmixer_Channel_List[channel].almixer_data = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
451 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
452
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
453
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
454 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
455 /* Not needed anymore because not doing any fileext checks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
456 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
457 * Unfortunately, strcasecmp isn't portable so here's a
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
458 * reimplementation of it (taken from SDL_sound)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
459 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
460 static int ALmixer_strcasecmp(const char* x, const char* y)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
461 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
462 int ux, uy;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
463
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
464 if (x == y) /* same pointer? Both NULL? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
465 return(0);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
466
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
467 if (x == NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
468 return(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
469
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
470 if (y == NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
471 return(1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
472
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
473 do
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
474 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
475 ux = toupper((int) *x);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
476 uy = toupper((int) *y);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
477 if (ux > uy)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
478 return(1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
479 else if (ux < uy)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
480 return(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
481 x++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
482 y++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
483 } while ((ux) && (uy));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
484
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
485 return(0);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
486 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
487 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
488
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
489
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
490 /* What shoud this return?
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
491 * 127 for signed, 255 for unsigned
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
492 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
493 static Uint8 GetSignednessValue(Uint16 format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
494 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
495 switch(format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
496 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
497 case AUDIO_U8:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
498 case AUDIO_U16LSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
499 case AUDIO_U16MSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
500 return ALMIXER_UNSIGNED_VALUE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
501 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
502 case AUDIO_S8:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
503 case AUDIO_S16LSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
504 case AUDIO_S16MSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
505 return ALMIXER_SIGNED_VALUE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
506 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
507 default:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
508 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
509 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
510 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
511 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
512
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
513
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
514 static Uint8 GetBitDepth(Uint16 format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
515 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
516 Uint8 bit_depth = 16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
517
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
518 switch(format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
519 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
520 case AUDIO_U8:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
521 case AUDIO_S8:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
522 bit_depth = 8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
523 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
524
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
525 case AUDIO_U16LSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
526 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
527 case AUDIO_U16:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
528 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
529 case AUDIO_S16LSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
530 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
531 case AUDIO_S16:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
532 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
533 case AUDIO_U16MSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
534 case AUDIO_S16MSB:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
535 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
536 case AUDIO_U16SYS:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
537 case AUDIO_S16SYS:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
538 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
539 bit_depth = 16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
540 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
541 default:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
542 bit_depth = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
543 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
544 return bit_depth;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
545 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
546
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
547 /* Need to translate between SDL/SDL_Sound audiospec
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
548 * and OpenAL conventions */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
549 static ALenum TranslateFormat(Sound_AudioInfo* info)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
550 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
551 Uint8 bit_depth;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
552
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
553 bit_depth = GetBitDepth(info->format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
554 if(0 == bit_depth)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
555 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
556 fprintf(stderr, "Warning: Unknown bit depth. Setting to 16\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
557 bit_depth = 16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
558 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
559
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
560 if(2 == info->channels)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
561 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
562 if(16 == bit_depth)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
563 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
564 return AL_FORMAT_STEREO16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
565 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
566 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
567 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
568 return AL_FORMAT_STEREO8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
569 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
570 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
571 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
572 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
573 if(16 == bit_depth)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
574 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
575 return AL_FORMAT_MONO16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
576 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
577 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
578 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
579 return AL_FORMAT_MONO8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
580 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
581 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
582 /* Make compiler happy. Shouldn't get here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
583 return AL_FORMAT_STEREO16;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
584 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
585
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
586 /**************** REMOVED ****************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
587 /* This was removed because I originally thought
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
588 * OpenAL could return a pointer to the buffer data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
589 * but I was wrong. If something like that is ever
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
590 * implemented, then this might become useful.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
591 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
592 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
593 /* Reconstruct_Sound_Sample and Set_AudioInfo only
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
594 * are needed if the Seek memory optimization is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
595 * used. Also, the Loki dist doesn't seem to support
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
596 * AL_DATA which I need for it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
597 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
598 #ifndef DISABLE_SEEK_MEMORY_OPTIMIZATION
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
599
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
600 static void Set_AudioInfo(Sound_AudioInfo* info, ALint frequency, ALint bits, ALint channels)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
601 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
602 info->rate = (Uint32)frequency;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
603 info->channels = (Uint8)channels;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
604
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
605 /* Not sure if it should be signed or unsigned. Hopefully
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
606 * that detail won't be needed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
607 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
608 if(8 == bits)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
609 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
610 info->format = AUDIO_U8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
611 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
612 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
613 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
614 info->format = AUDIO_U16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
615 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
616 fprintf(stderr, "Audio info: freq=%d, chan=%d, format=%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
617 info->rate, info->channels, info->format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
618
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
619 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
620
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
621
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
622 static Sint32 Reconstruct_Sound_Sample(ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
623 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
624 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
625 ALint* data_from_albuffer;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
626 ALint freq;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
627 ALint bits;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
628 ALint channels;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
629 ALint size;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
630
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
631 /* Create memory all initiallized to 0. */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
632 data->sample = (Sound_Sample*)calloc(1, sizeof(Sound_Sample));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
633 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
634 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
635 ALmixer_SetError("Out of memory for Sound_Sample");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
636 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
637 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
638
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
639 /* Clear errors */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
640 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
641
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
642 alGetBufferi(data->buffer[0], AL_FREQUENCY, &freq);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
643 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
644 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
645 ALmixer_SetError("alGetBufferi(AL_FREQUENCT): %s", aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
646 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
647 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
648 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
649 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
650
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
651 alGetBufferi(data->buffer[0], AL_BITS, &bits);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
652 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
653 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
654 ALmixer_SetError("alGetBufferi(AL_BITS): %s", aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
655 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
656 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
657 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
658 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
659
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
660 alGetBufferi(data->buffer[0], AL_CHANNELS, &channels);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
661 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
662 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
663 ALmixer_SetError("alGetBufferi(AL_CHANNELS): %s", aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
664 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
665 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
666 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
667 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
668
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
669 alGetBufferi(data->buffer[0], AL_SIZE, &size);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
670 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
671 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
672 ALmixer_SetError("alGetBufferi(AL_SIZE): %s", aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
673 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
674 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
675 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
676 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
677
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
678 alGetBufferi(data->buffer[0], AL_DATA, data_from_albuffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
679 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
680 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
681 ALmixer_SetError("alGetBufferi(AL_DATA): %s", aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
682 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
683 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
684 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
685 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
686
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
687 if(size <= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
688 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
689 ALmixer_SetError("No data in al buffer");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
690 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
691 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
692 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
693 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
694
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
695 /* Now that we have all the attributes, we need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
696 * allocate memory for the buffer and reconstruct
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
697 * the AudioInfo attributes.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
698 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
699 data->sample->buffer = malloc(size*sizeof(Uint8));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
700 if(NULL == data->sample->buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
701 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
702 ALmixer_SetError("Out of memory for sample->buffer");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
703 free(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
704 data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
705 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
706 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
707
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
708 memcpy(data->sample->buffer, data_from_albuffer, size);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
709 data->sample->buffer_size = size;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
710
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
711 /* Fill up the Sound_AudioInfo structures */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
712 Set_AudioInfo(&data->sample->desired, freq, bits, channels);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
713 Set_AudioInfo(&data->sample->actual, freq, bits, channels);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
714
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
715 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
716 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
717
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
718 #endif /* End DISABLE_SEEK_MEMORY_OPTIMIZATION */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
719 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
720 /*************** END REMOVED *************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
721
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
722 static void Invoke_Channel_Done_Callback(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
723 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
724 if(NULL == Channel_Done_Callback)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
725 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
726 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
727 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
728 Channel_Done_Callback(channel, Channel_Done_Callback_Userdata);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
729 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
730
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
731 static Sint32 LookUpBuffer(ALuint buffer, Buffer_Map* buffer_map_list, Uint32 num_items_in_list)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
732 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
733 /* Only the first value is used for the key */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
734 Buffer_Map key = { 0, 0, NULL, 0 };
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
735 Buffer_Map* found_item = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
736 key.albuffer = buffer;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
737
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
738 /* Use the ANSI C binary search feature (yea!) */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
739 found_item = (Buffer_Map*)bsearch(&key, buffer_map_list, num_items_in_list, sizeof(Buffer_Map), Compare_Buffer_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
740 if(NULL == found_item)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
741 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
742 ALmixer_SetError("Can't find buffer");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
743 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
744 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
745 return found_item->index;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
746 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
747
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
748
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
749 /* FIXME: Need to pass back additional info to be useful.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
750 * Bit rate, stereo/mono (num chans), time in msec?
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
751 * Precoded/streamed flag so user can plan for future data?
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
752 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
753 static void Invoke_Channel_Data_Callback(Sint32 which_channel, Uint8* data, Uint32 num_bytes, Uint32 frequency, Uint8 channels, Uint16 format, Uint8 decode_mode)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
754 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
755 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
756 fprintf(stderr, "%x %x %x %x, bytes=%d, whichchan=%d, freq=%d, channels=%d\n", data[0], data[1], data[2], data[3], num_bytes, channels, frequency, channels);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
757 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
758 if(NULL == Channel_Data_Callback)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
759 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
760 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
761 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
762 Channel_Data_Callback(which_channel, data, num_bytes, frequency, channels, GetBitDepth(format), format, decode_mode);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
763 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
764
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
765 static void Invoke_Predecoded_Channel_Data_Callback(Sint32 channel, ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
766 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
767 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
768 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
769 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
770 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
771 /* The buffer position is complicated because if the current data was seeked,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
772 * we must adjust the buffer to the seek position
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
773 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
774 Invoke_Channel_Data_Callback(channel,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
775 (((Uint8*) data->sample->buffer) + (data->total_bytes - data->loaded_bytes) ),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
776 data->loaded_bytes,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
777 data->sample->desired.rate,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
778 data->sample->desired.channels,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
779 data->sample->desired.format,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
780 ALMIXER_DECODE_ALL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
781 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
782 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
783
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
784 static void Invoke_Streamed_Channel_Data_Callback(Sint32 channel, ALmixer_Data* data, ALuint buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
785 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
786 Sint32 index;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
787 if(NULL == data->buffer_map_list)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
788 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
789 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
790 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
791 index = LookUpBuffer(buffer, data->buffer_map_list, data->max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
792 /* This should catch the case where all buffers are unqueued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
793 * and the "current" buffer is id: 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
794 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
795 if(-1 == index)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
796 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
797 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
798 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
799 Invoke_Channel_Data_Callback(channel,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
800 data->buffer_map_list[index].data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
801 data->buffer_map_list[index].num_bytes,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
802 data->sample->desired.rate,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
803 data->sample->desired.channels,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
804 data->sample->desired.format,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
805 ALMIXER_DECODE_STREAM
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
806 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
807 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
808
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
809 /* From SDL_Sound's playsound. Converts milliseconds to byte positions.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
810 * This is needed for seeking on predecoded samples
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
811 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
812 static Uint32 Convert_Msec_To_Byte_Pos(Sound_AudioInfo *info, Uint32 ms)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
813 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
814 float frames_per_ms;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
815 Uint32 frame_offset;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
816 Uint32 frame_size;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
817 fprintf(stderr, "In convert\n" );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
818 if(info == NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
819 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
820 fprintf(stderr, "Error, info is NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
821 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
822 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
823 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
824 fprintf(stderr, "Not an error: info is not NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
825 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
826 fprintf(stderr, "The rate=%d\n", info->rate);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
827
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
828 /* "frames" == "sample frames" */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
829 frames_per_ms = ((float) info->rate) / 1000.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
830 fprintf(stderr, "%f\n", frames_per_ms);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
831 frame_offset = (Uint32) (frames_per_ms * ((float) ms));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
832 fprintf(stderr, "%d\n", frame_offset);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
833 frame_size = (Uint32) ((info->format & 0xFF) / 8) * info->channels;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
834 fprintf(stderr, "%d\n", frame_size);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
835 return(frame_offset * frame_size);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
836 } /* cvtMsToBytePos */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
837
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
838 static Sint32 Set_Predecoded_Seek_Position(ALmixer_Data* data, Uint32 byte_position)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
839 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
840 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
841 /* clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
842 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
843
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
844 /* Is it greater than, or greater-than or equal to ?? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
845 if(byte_position > data->total_bytes)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
846 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
847 /* We can't go past the end, so set to end? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
848 fprintf(stderr, "Error, can't seek past end\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
849
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
850 /* In case the below thing doesn't work,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
851 * just rewind the whole thing.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
852 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
853 alBufferData(data->buffer[0],
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
854 TranslateFormat(&data->sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
855 (Uint8*) data->sample->buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
856 data->total_bytes,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
857 data->sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
858 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
859 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
860
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
861 /* I was trying to set to the end, (1 byte remaining),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
862 * but I was getting freezes. I'm thinking it might be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
863 * another Power of 2 bug in the Loki dist. I tried 2,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
864 * and it still hung. 4 didn't hang, but I got a clip
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
865 * artifact. 8 seemed to work okay.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
866 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
867 alBufferData(data->buffer[0],
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
868 TranslateFormat(&data->sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
869 (((Uint8*) data->sample->buffer) + (data->total_bytes - 8) ),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
870 8,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
871 data->sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
872 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
873 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
874 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
875 ALmixer_SetError("Can't seek past end and alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
876 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
877 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
878 /* Need to set the loaded_bytes field because I don't trust the OpenAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
879 * query command to work because I don't know if it will mutilate the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
880 * size for its own purposes or return the original size
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
881 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
882 data->loaded_bytes = 8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
883
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
884 /* Not sure if this should be an error or not */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
885 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
886 ALmixer_SetError("Can't Seek past end");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
887 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
888 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
889 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
890 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
891
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
892 alBufferData(data->buffer[0],
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
893 TranslateFormat(&data->sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
894 &(((Uint8*)data->sample->buffer)[byte_position]),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
895 data->total_bytes - byte_position,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
896 data->sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
897 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
898 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
899 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
900 ALmixer_SetError("alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
901 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
902 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
903 /* Need to set the loaded_bytes field because I don't trust the OpenAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
904 * query command to work because I don't know if it will mutilate the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
905 * size for its own purposes or return the original size
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
906 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
907 data->loaded_bytes = data->total_bytes - byte_position;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
908
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
909 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
910 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
911
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
912 /* This will compute the total playing time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
913 * based upon the number of bytes and audio info.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
914 * (In prinicple, it should compute the time for any given length)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
915 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
916 static Uint32 Compute_Total_Time(Sound_AudioInfo *info, Uint32 total_bytes)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
917 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
918 Uint32 bytes_per_sec;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
919 Uint32 bytes_per_sample;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
920 double total_sec;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
921 Uint32 total_msec;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
922
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
923 if(0 == total_bytes)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
924 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
925 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
926 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
927 /* SDL has a mask trick I was not aware of. Mask the upper bits
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
928 * of the format, and you get 8 or 16 which is the bits per sample.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
929 * Divide by 8bits_per_bytes and you get bytes_per_sample
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
930 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
931 bytes_per_sample = (Uint32) ((info->format & 0xFF) / 8);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
932 /* To compute Bytes per second, do
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
933 * samples_per_sec * bytes_per_sample * number_of_channels
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
934 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
935 bytes_per_sec = info->rate * bytes_per_sample * info->channels;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
936
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
937 /* Now to get total time (sec), do
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
938 * total_bytes / bytes_per_sec
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
939 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
940 total_sec = total_bytes / (double)bytes_per_sec;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
941
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
942 /* Now convert seconds to milliseconds
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
943 * Add .5 to the float to do rounding before the final cast
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
944 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
945 total_msec = (Uint32) ( (total_sec * 1000) + 0.5 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
946
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
947 fprintf(stderr, "%d\n", total_msec);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
948 return total_msec;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
949 } /* End Compute_Total_Time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
950
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
951
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
952
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
953
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
954 /* Because we have multiple queue buffers and OpenAL won't let
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
955 * us access them, we need to keep copies of each buffer around
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
956 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
957 static Sint32 CopyDataToAccessBuffer(ALmixer_Data* data, Uint32 num_bytes, ALuint buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
958 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
959 Sint32 index;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
960 /* We only want to copy if access_data is true.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
961 * This is determined by whether memory has been
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
962 * allocated in the buffer_map_list or not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
963 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
964 if(NULL == data->buffer_map_list)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
965 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
966 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
967 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
968 index = LookUpBuffer(buffer, data->buffer_map_list, data->max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
969 if(-1 == index)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
970 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
971 fprintf(stderr, ">>>>>>>CopyData catch, albuffer=%d\n",buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
972 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
973 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
974 /* Copy the data to the access buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
975 memcpy(data->buffer_map_list[index].data, data->sample->buffer, num_bytes);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
976 data->buffer_map_list[index].num_bytes = data->sample->buffer_size;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
977
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
978 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
979 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
980
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
981
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
982 /* For streamed data, gets more data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
983 * and prepares it in the active Mix_chunk
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
984 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
985 static Uint32 GetMoreData(ALmixer_Data* data, ALuint buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
986 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
987 Uint32 bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
988 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
989 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
990 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
991 ALmixer_SetError("Cannot GetMoreData() because ALmixer_Data* is NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
992 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
993 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
994
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
995 bytes_decoded = Sound_Decode(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
996 if(data->sample->flags & SOUND_SAMPLEFLAG_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
997 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
998 fprintf(stderr, "Sound_Decode triggered an ERROR>>>>>>\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
999 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1000 /* Force cleanup through FreeData
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1001 Sound_FreeSample(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1002 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1003 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1004 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1005
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1006
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1007 /* Don't forget to add check for EOF */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1008 /* Will return 0 bytes and pass the buck to check sample->flags */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1009 if(0 == bytes_decoded)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1010 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1011 #if 1
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1012 fprintf(stderr, "Hit eof while trying to buffer\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1013 data->eof = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1014 if(data->sample->flags & SOUND_SAMPLEFLAG_EOF)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1015 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1016 fprintf(stderr, "\tEOF flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1017 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1018 if(data->sample->flags & SOUND_SAMPLEFLAG_CANSEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1019 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1020 fprintf(stderr, "\tCanSeek flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1021 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1022 if(data->sample->flags & SOUND_SAMPLEFLAG_EAGAIN)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1023 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1024 fprintf(stderr, "\tEAGAIN flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1025 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1026 if(data->sample->flags & SOUND_SAMPLEFLAG_NONE)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1027 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1028 fprintf(stderr, "\tNONE flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1029 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1030 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1031 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1032 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1033
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1034 #ifdef ENABLE_LOKI_QUEUE_FIX_HACK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1035 /******* REMOVE ME ********************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1036 /***************** ANOTHER EXPERIEMENT *******************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1037 /* The PROBLEM: It seems that the Loki distribution has problems
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1038 * with Queuing when the buffer size is not a power of two
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1039 * and additional buffers must come after it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1040 * The behavior is inconsistent, but one of several things
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1041 * usually happens:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1042 * Playback is normal
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1043 * Playback immediately stops after the non-pow2 buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1044 * Playback gets distorted on the non-pow2 buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1045 * The entire program segfaults.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1046 * The workaround is to always specify a power of two buffer size
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1047 * and hope that SDL_sound always fill it. (By lucky coincidence,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1048 * I already submitted the Ogg fix.) However, this won't catch
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1049 * cases where a loop happens because the read at the end of the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1050 * file is typically less than the buffer size.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1051 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1052 * This fix addresses this issue, however it may break in
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1053 * other conditions. Always decode in buffer sizes of powers of 2.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1054 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1055 * The HACK:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1056 * If the buffer is short, try filling it up with 0's
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1057 * to meet the user requested buffer_size which
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1058 * is probably a nice number OpenAL likes, in
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1059 * hopes to avoid a possible Loki bug with
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1060 * short buffers. If looping (which is the main
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1061 * reason for this), the negative side effect is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1062 * that it may take longer for the loop to start
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1063 * because it must play dead silence. Or if the decoder
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1064 * doesn't guarantee to return the requested bytes
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1065 * (like Ogg), then you will get breakup in between
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1066 * packets.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1067 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1068 if( (bytes_decoded) < data->sample->buffer_size)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1069 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1070 Uint8 bit_depth;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1071 Uint8 signedness_value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1072 int silence_value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1073 /* Crap, memset value needs to be the "silent" value,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1074 * but it will differ for signed/unsigned and bit depth
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1075 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1076 bit_depth = GetBitDepth(data->sample->desired.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1077 signedness_value = GetSignednessValue(data->sample->desired.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1078 if(ALMIXER_SIGNED_VALUE == signedness_value)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1079 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1080 /* I'm guessing that if it's signed, then 0 is the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1081 * "silent" value */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1082 silence_value = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1083 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1084 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1085 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1086 if(8 == bit_depth)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1087 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1088 /* If 8 bit, I'm guessing it's (2^7)-1 = 127 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1089 silence_value = 127;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1090 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1091 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1092 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1093 /* For 16 bit, I'm guessing it's (2^15)-1 = 32767 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1094 silence_value = 32767;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1095 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1096 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1097 /* Now fill up the rest of the data buffer with the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1098 * silence_value.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1099 * I don't think I have to worry about endian issues for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1100 * this part since the data is for internal use only
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1101 * at this point.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1102 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1103 memset( &( ((Uint8*)(data->sample->buffer))[bytes_decoded] ), silence_value, data->sample->buffer_size - bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1104 /* Now reset the bytes_decoded to reflect the entire
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1105 * buffer to tell alBufferData what our full size is.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1106 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1107 fprintf(stderr, "ALTERED bytes decoded for silence: Original end was %d\n", bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1108 bytes_decoded = data->sample->buffer_size;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1109 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1110 /*********** END EXPERIMENT ******************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1111 /******* END REMOVE ME ********************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1112 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1113
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1114 /* Now copy the data to the OpenAL buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1115 /* We can't just set a pointer because the API needs
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1116 * its own copy to assist hardware acceleration */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1117 alBufferData(buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1118 TranslateFormat(&data->sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1119 data->sample->buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1120 bytes_decoded,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1121 data->sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1122 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1123 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1124 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1125 ALmixer_SetError("alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1126 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1127 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1128
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1129 /* If we need to, copy the data also to the access area
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1130 * (the function will do the check for us)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1131 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1132 CopyDataToAccessBuffer(data, bytes_decoded, buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1133 return bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1134 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1135
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1136
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1137
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1138
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1139 /******************** EXPERIEMENT ****************************
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1140 * Test function to force maximum buffer filling during loops
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1141 * REMOVE LATER
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1142 *********************************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1143 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1144 static Sint32 GetMoreData2(ALmixer_Data* data, ALuint buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1145 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1146 Sint32 bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1147 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1148 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1149 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1150 ALmixer_SetError("Cannot GetMoreData() because ALmixer_Data* is NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1151 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1152 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1153
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1154 if(AL_FALSE == alIsBuffer(buffer))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1155 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1156 fprintf(stderr, "NOT A BUFFER>>>>>>>>>>>>>>>\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1157 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1158 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1159 fprintf(stderr, "Entered GetMoreData222222: buffer id is %d\n", buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1160
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1161 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1162 fprintf(stderr, "Decode in GetMoreData\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1163 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1164
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1165 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1166 if(buffer%2 == 1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1167 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1168 fprintf(stderr, "Setting buffer size to 16384\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1169 Sound_SetBufferSize(data->sample, 16384);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1170 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1171 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1172 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1173 fprintf(stderr, "Setting buffer size to 8192\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1174 Sound_SetBufferSize(data->sample, 8192);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1175 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1176 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1177
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1178 bytes_decoded = Sound_Decode(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1179 if(data->sample->flags & SOUND_SAMPLEFLAG_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1180 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1181 fprintf(stderr, "Sound_Decode triggered an ERROR>>>>>>\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1182 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1183 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1184 Sound_FreeSample(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1185 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1186 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1187 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1188 /* Don't forget to add check for EOF */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1189 /* Will return 0 bytes and pass the buck to check sample->flags */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1190 if(0 == bytes_decoded)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1191 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1192 #if 1
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1193 fprintf(stderr, "Hit eof while trying to buffer\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1194 data->eof = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1195 if(data->sample->flags & SOUND_SAMPLEFLAG_EOF)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1196 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1197 fprintf(stderr, "\tEOF flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1198 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1199 if(data->sample->flags & SOUND_SAMPLEFLAG_CANSEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1200 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1201 fprintf(stderr, "\tCanSeek flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1202 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1203 if(data->sample->flags & SOUND_SAMPLEFLAG_EAGAIN)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1204 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1205 fprintf(stderr, "\tEAGAIN flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1206 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1207 if(data->sample->flags & SOUND_SAMPLEFLAG_NONE)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1208 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1209 fprintf(stderr, "\tNONE flag\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1210 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1211 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1212 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1213 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1214
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1215 if(bytes_decoded < 16384)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1216 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1217 char* tempbuffer1 = (char*)malloc(16384);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1218 char* tempbuffer2 = (char*)malloc(16384);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1219 int retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1220 memcpy(tempbuffer1, data->sample->buffer, bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1221 retval = Sound_SetBufferSize(data->sample, 16384-bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1222 if(retval == 1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1223 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1224 Uint32 new_bytes;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1225 Sound_Rewind(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1226 new_bytes = Sound_Decode(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1227 fprintf(stderr, "Orig bytes: %d, Make up bytes_decoded=%d, total=%d\n", bytes_decoded, new_bytes, new_bytes+bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1228
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1229 memcpy(tempbuffer2, data->sample->buffer, new_bytes);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1230
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1231 retval = Sound_SetBufferSize(data->sample, 16384);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1232 fprintf(stderr, "Finished reset...now danger copy\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1233 memcpy(data->sample->buffer, tempbuffer1,bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1234
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1235 fprintf(stderr, "Finished reset...now danger copy2\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1236 memcpy( &( ((char*)(data->sample->buffer))[bytes_decoded] ), tempbuffer2, new_bytes);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1237
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1238 fprintf(stderr, "Finished \n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1239
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1240 free(tempbuffer1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1241 free(tempbuffer2);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1242 bytes_decoded += new_bytes;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1243 fprintf(stderr, "ASSERT bytes should equal 16384: %d\n", bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1244 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1245 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1246 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1247 fprintf(stderr, "Experiment failed: %s\n", Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1248 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1249 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1250
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1251 /* Now copy the data to the OpenAL buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1252 /* We can't just set a pointer because the API needs
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1253 * its own copy to assist hardware acceleration */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1254 alBufferData(buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1255 TranslateFormat(&data->sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1256 data->sample->buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1257 bytes_decoded,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1258 data->sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1259 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1260 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1261 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1262 ALmixer_SetError("alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1263 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1264 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1265
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1266 fprintf(stderr, "GetMoreData2222 returning %d bytes decoded\n", bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1267 return bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1268 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1269 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1270
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1271 /************ END EXPERIEMENT - REMOVE ME *************************/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1272
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1273
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1274
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1275
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1276
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1277
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1278
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1279
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1280
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1281 /* This function will look up the source for the corresponding channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1282 /* Must return 0 on error instead of -1 because of unsigned int */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1283 static ALuint Internal_GetSource(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1284 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1285 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1286 /* Make sure channel is in bounds */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1287 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1288 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1289 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1290 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1291 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1292 /* If the user specified -1, then return the an available source */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1293 if(channel < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1294 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1295 for(i=Number_of_Reserve_Channels_global; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1296 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1297 if( ! ALmixer_Channel_List[i].channel_in_use )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1298 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1299 return ALmixer_Channel_List[i].alsource;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1300 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1301 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1302 /* If we get here, all sources are in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1303 /* Error message seems too harsh
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1304 ALmixer_SetError("All sources are in use");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1305 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1306 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1307 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1308 /* Last case: Return the source for the channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1309 return ALmixer_Channel_List[channel].alsource;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1310 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1311
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1312 /* This function will look up the channel for the corresponding source */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1313 static Sint32 Internal_GetChannel(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1314 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1315 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1316 /* Only the first value is used for the key */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1317 Source_Map key = { 0, 0 };
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1318 Source_Map* found_item = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1319 key.source = source;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1320
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1321 /* If the source is 0, look up the first available channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1322 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1323 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1324 for(i=Number_of_Reserve_Channels_global; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1325 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1326 if( ! ALmixer_Channel_List[i].channel_in_use )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1327 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1328 return i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1329 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1330 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1331 /* If we get here, all sources are in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1332 /* Error message seems too harsh
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1333 ALmixer_SetError("All channels are in use");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1334 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1335 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1336 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1337
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1338
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1339 /* Else, look up the source and return the channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1340 if(AL_FALSE == alIsSource(source))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1341 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1342 ALmixer_SetError("Is not a source");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1343 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1344 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1345
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1346 /* Use the ANSI C binary search feature (yea!) */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1347 found_item = (Source_Map*)bsearch(&key, Source_Map_List, Number_of_Channels_global, sizeof(Source_Map), Compare_Source_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1348 if(NULL == found_item)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1349 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1350 ALmixer_SetError("Source is valid but not registered with ALmixer (to a channel)");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1351 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1352 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1353 return found_item->channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1354 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1355
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1356
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1357
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1358 /* This function will find the first available channel (not in use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1359 * from the specified start channel. Reserved channels to not qualify
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1360 * as available.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1361 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1362 static Sint32 Internal_FindFreeChannel(Sint32 start_channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1363 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1364 /* Start at the number of reserved so we skip over
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1365 * all the reserved channels.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1366 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1367 Sint32 i = Number_of_Reserve_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1368 /* Quick check to see if we're out of bounds */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1369 if(start_channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1370 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1371 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1372 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1373
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1374 /* If the start channel is even higher than the reserved,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1375 * then start at the higher value.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1376 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1377 if(start_channel > Number_of_Reserve_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1378 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1379 i = start_channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1380 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1381
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1382 /* i has already been set */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1383 for( ; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1384 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1385 if( ! ALmixer_Channel_List[i].channel_in_use )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1386 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1387 return i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1388 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1389 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1390 /* If we get here, all sources are in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1391 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1392 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1393
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1394
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1395
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1396
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1397 /* Note: Behaves, almost like SDL_mixer, but keep in mind
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1398 * that there is no "music" channel anymore, so 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1399 * will remove everything. (Note, I no longer allow 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1400 * so it gets set to the default number.)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1401 * Also, callbacks for deleted channels will not be called.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1402 * I really need to do error checking, for realloc and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1403 * GenSources, but reversing the damage is too painful
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1404 * for me to think about at the moment, so it's not in here.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1405 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1406 static Sint32 Internal_AllocateChannels(Sint32 numchans)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1407 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1408 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1409 int i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1410 /* Return info */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1411 if(numchans < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1412 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1413 return Number_of_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1414 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1415 if(0 == numchans)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1416 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1417 numchans = ALMIXER_DEFAULT_NUM_CHANNELS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1418 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1419 /* No change */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1420 if(numchans == Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1421 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1422 return Number_of_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1423 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1424 /* We need to increase the number of channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1425 if(numchans > Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1426 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1427 /* Not sure how safe this is, but SDL_mixer does it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1428 * the same way */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1429 ALmixer_Channel_List = (struct ALmixer_Channel*) realloc( ALmixer_Channel_List, numchans * sizeof(struct ALmixer_Channel));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1430
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1431 /* Allocate memory for the list of sources that map to the channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1432 Source_Map_List = (Source_Map*) realloc(Source_Map_List, numchans * sizeof(Source_Map));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1433
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1434 for(i=Number_of_Channels_global; i<numchans; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1435 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1436 Init_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1437 /* Generate a new source and associate it with the channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1438 alGenSources(1, &ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1439 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1440 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1441 fprintf(stderr, "12Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1442 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1443 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1444 /* Copy the source so the SourceMap has it too */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1445 Source_Map_List[i].source = ALmixer_Channel_List[i].alsource;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1446 Source_Map_List[i].channel = i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1447 /* Clean the channel because there are some things that need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1448 * be done that can't happen until the source is set
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1449 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1450 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1451 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1452
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1453 /* The Source_Map_List must be sorted by source for binary searches
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1454 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1455 qsort(Source_Map_List, numchans, sizeof(Source_Map), Compare_Source_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1456
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1457 Number_of_Channels_global = numchans;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1458 return numchans;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1459 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1460 /* Need to remove channels. This might be dangerous */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1461 if(numchans < Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1462 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1463 for(i=numchans; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1464 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1465 /* Halt the channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1466 ALmixer_HaltChannel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1467
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1468 /* Delete source associated with the channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1469 alDeleteSources(1, &ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1470 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1471 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1472 fprintf(stderr, "13Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1473 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1474 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1475 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1476
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1477
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1478 /* Not sure how safe this is, but SDL_mixer does it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1479 * the same way */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1480 ALmixer_Channel_List = (struct ALmixer_Channel*) realloc( ALmixer_Channel_List, numchans * sizeof(struct ALmixer_Channel));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1481
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1482 /* The tricky part is that we must remove the entries
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1483 * in the source map that correspond to the deleted channels.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1484 * We'll resort the map by channels so we can pick them off
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1485 * in order.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1486 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1487 qsort(Source_Map_List, Number_of_Channels_global, sizeof(Source_Map), Compare_Source_Map_by_channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1488
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1489 /* Deallocate memory for the list of sources that map to the channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1490 Source_Map_List = (Source_Map*) realloc(Source_Map_List, numchans * sizeof(Source_Map));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1491
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1492 /* Now resort the map by source and the correct num of chans */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1493 qsort(Source_Map_List, numchans, sizeof(Source_Map), Compare_Source_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1494
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1495 /* Reset the number of channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1496 Number_of_Channels_global = numchans;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1497 return numchans;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1498 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1499 /* Shouldn't ever reach here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1500 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1501
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1502 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1503
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1504 static Sint32 Internal_ReserveChannels(Sint32 num)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1505 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1506 /* Can't reserve more than the max num of channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1507 /* Actually, I'll allow it for people who just want to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1508 * set the value really high to effectively disable
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1509 * auto-assignment
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1510 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1511
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1512 /* Return the current number of reserved channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1513 if(num < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1514 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1515 return Number_of_Reserve_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1516 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1517 Number_of_Reserve_Channels_global = num;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1518 return Number_of_Reserve_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1519 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1520
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1521
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1522
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1523
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1524
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1525 static Sint32 Internal_PlayChannelTimed(Sint32 channel, ALmixer_Data* data, Sint32 loops, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1526 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1527 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1528 int ret_flag = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1529 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1530 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1531 ALmixer_SetError("Can't play because data is NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1532 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1533 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1534
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1535 /* There isn't a good way to share streamed files because
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1536 * the decoded data doesn't stick around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1537 * You must "Load" a brand new instance of
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1538 * the data. If you try using the same data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1539 * bad things may happen. This check will attempt
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1540 * to prevent sharing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1541 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1542 if(0 == data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1543 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1544 if(data->in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1545 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1546 ALmixer_SetError("Can't play shared streamed sample because it is already in use");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1547 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1548 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1549
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1550 /* Make sure SDL_sound sample is not at EOF.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1551 * This mainly affects streamed files,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1552 * so the check is placed here
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1553 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1554 if(data->eof)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1555 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1556 if( -1 == ALmixer_RewindData(data) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1557 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1558 ALmixer_SetError("Can't play sample because it is at EOF and cannot rewind");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1559 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1560 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1561 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1562 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1563 /* We need to provide the user with the first available channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1564 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1565 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1566 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1567 for(i=Number_of_Reserve_Channels_global; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1568 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1569 if(0 == ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1570 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1571 channel = i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1572 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1573 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1574 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1575 /* if we couldn't find a channel, return an error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1576 if(i == Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1577 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1578 ALmixer_SetError("No channels available for playing");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1579 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1580 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1581 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1582 /* If we didn't assign the channel number, make sure it's not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1583 * out of bounds or in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1584 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1585 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1586 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1587 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1588 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1589 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1590 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1591 else if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1592 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1593 ALmixer_SetError("Requested channel (%d) is in use", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1594 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1595 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1596 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1597 /* Make sure the user doesn't enter some meaningless value */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1598 if(loops < -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1599 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1600 loops = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1601 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1602
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1603 /* loops will probably have to change to be controlled by SDL_Sound */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1604
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1605 /* Set up the initial values for playing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1606 ALmixer_Channel_List[channel].channel_in_use = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1607 data->in_use++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1608
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1609 /* Shouldn't need updating until a callback is fired
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1610 * (assuming that we call Play in this function
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1611 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1612 ALmixer_Channel_List[channel].needs_stream = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1613 ALmixer_Channel_List[channel].almixer_data = data;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1614 ALmixer_Channel_List[channel].start_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1615
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1616 /* If user entered -1 (or less), set to -1 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1617 if(ticks < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1618 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1619 ALmixer_Channel_List[channel].expire_ticks = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1620 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1621 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1622 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1623 ALmixer_Channel_List[channel].expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1624 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1625
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1626
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1627 ALmixer_Channel_List[channel].halted = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1628 ALmixer_Channel_List[channel].paused = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1629
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1630 /* Ran just use OpenAL to control loops if predecoded and infinite */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1631 ALmixer_Channel_List[channel].loops = loops;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1632 if( (-1 == loops) && (data->decoded_all) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1633 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1634 alSourcei(ALmixer_Channel_List[channel].alsource, AL_LOOPING, AL_TRUE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1635 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1636 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1637 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1638 alSourcei(ALmixer_Channel_List[channel].alsource, AL_LOOPING, AL_FALSE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1639 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1640 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1641 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1642 fprintf(stderr, "13Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1643 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1644 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1645
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1646 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1647 /* Because of the corner case, predecoded
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1648 * files must add +1 to the loops.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1649 * Streams do not have this problem
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1650 * because they can use the eof flag to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1651 * avoid the conflict.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1652 * Sharing data chunks prevents the use of the eof flag.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1653 * Since streams, cannot share, only predecoded
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1654 * files are affected
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1655 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1656 if(data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1657 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1658 /* Corner Case: Now that play calls are pushed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1659 * off to update(), the start call must
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1660 * also come through here. So, start loops
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1661 * must be +1
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1662 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1663 if(-1 == loops)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1664 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1665 /* -1 is a special case, and you don't want
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1666 * to add +1 to it */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1667 ALmixer_Channel_List[channel].loops = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1668 alSourcei(ALmixer_Channel_List[channel].alsource, AL_LOOPING, AL_TRUE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1669 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1670 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1671 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1672 ALmixer_Channel_List[channel].loops = loops+1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1673 alSourcei(ALmixer_Channel_List[channel].alsource, AL_LOOPING, AL_FALSE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1674 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1675 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1676 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1677 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1678 ALmixer_Channel_List[channel].loops = loops;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1679 /* Can we really loop on streamed data? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1680 alSourcei(ALmixer_Channel_List[channel].alsource, AL_LOOPING, AL_TRUE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1681 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1682 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1683
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1684 /* Should I start playing here or pass the buck to update? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1685 /* Unlike SDL_SoundMixer, I think I'll do it here because
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1686 * this library isn't a *total* hack and OpenAL has more
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1687 * built in functionality I need, so less needs to be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1688 * controlled and directed through the update function.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1689 * The downside is less functionality is centralized.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1690 * The upside is that the update function should be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1691 * easier to maintain.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1692 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1693
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1694 /* Clear the error flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1695 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1696 if(data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1697 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1698 /* Bind the data to the source */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1699 alSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1700 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1701 AL_BUFFER,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1702 data->buffer[0]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1703 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1704 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1705 ALmixer_SetError("Could not bind data to source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1706 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1707 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1708 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1709 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1710
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1711 /* Make data available if access_data is enabled */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1712 Invoke_Predecoded_Channel_Data_Callback(channel, data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1713 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1714 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1715 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1716 /* Need to use the streaming buffer for binding */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1717
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1718 Uint32 bytes_returned;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1719 Uint32 j;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1720 data->num_buffers_in_use=0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1721 /****** MODIFICATION must go here *********/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1722 /* Since buffer queuing is pushed off until here to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1723 * avoid buffer conflicts, we must start reading
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1724 * data here. First we make sure we have at least one
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1725 * packet. Then we queue up until we hit our limit.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1726 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1727 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1728 data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1729 data->buffer[0]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1730 if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1731 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1732 /* No data or error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1733 ALmixer_SetError("Could not get data for streamed PlayChannel: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1734 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1735 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1736 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1737 /* Increment the number of buffers in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1738 data->num_buffers_in_use++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1739
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1740
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1741 /* Now we need to fill up the rest of the buffers.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1742 * There is a corner case where we run out of data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1743 * before the last buffer is filled.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1744 * Stop conditions are we run out of
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1745 * data or we max out our preload buffers.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1746 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1747
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1748 fprintf(stderr, "Filling buffer #%d (AL id is %d)\n", 0, data->buffer[0]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1749 for(j=1; j<data->num_startup_buffers; j++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1750 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1751 fprintf(stderr, "Filling buffer #%d (AL id is %d)\n", j, data->buffer[j]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1752 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1753 fprintf(stderr, ">>>>>>>>>>>>>>>>>>HACK for GetMoreData2\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1754 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1755 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1756 data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1757 data->buffer[j]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1758 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1759 * This might be a problem. I made a mistake with the types. I accidentally
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1760 * made the bytes returned an Sint32 and returned -1 on error.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1761 * Bytes returned should be a Uint32, so now I no longer have a -1 case
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1762 * to check. I hope I didn't break anything here
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1763 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1764 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1765 if(bytes_returned < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1766 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1767 /* Error found */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1768 ALmixer_SetError("Could not get data for additional startup buffers for PlayChannel: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1769 /* We'll continue on because we do have some valid data */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1770 ret_flag = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1771 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1772 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1773 else if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1774 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1775 if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1776 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1777 /* No more data to buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1778 /* Check for loops */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1779 if( ALmixer_Channel_List[channel].loops != 0 )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1780 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1781 fprintf(stderr, "Need to rewind. In RAMPUP, handling loop\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1782 if(0 == Sound_Rewind(data->sample))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1783 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1784 fprintf(stderr, "error in rewind\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1785 ALmixer_SetError( Sound_GetError() );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1786 ALmixer_Channel_List[channel].loops = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1787 ret_flag = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1788 /* We'll continue on because we do have some valid data */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1789 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1790 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1791 /* Remember to reset the data->eof flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1792 data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1793 if(ALmixer_Channel_List[channel].loops > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1794 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1795 ALmixer_Channel_List[channel].loops--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1796 fprintf(stderr, "Inside 000 >>>>>>>>>>Loops=%d\n", ALmixer_Channel_List[channel].loops);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1797 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1798 /* Would like to redo the loop, but due to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1799 * Sound_Rewind() bugs, we would risk falling
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1800 * into an infinite loop
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1801 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1802 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1803 data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1804 data->buffer[j]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1805 if(bytes_returned <= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1806 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1807 ALmixer_SetError("Could not get data: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1808 /* We'll continue on because we do have some valid data */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1809 ret_flag = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1810 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1811 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1812 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1813 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1814 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1815 /* No loops to do so quit here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1816 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1817 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1818 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1819 /* Increment the number of buffers in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1820 data->num_buffers_in_use++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1821 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1822 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1823 fprintf(stderr, "In PlayChannel, about to queue: source=%d, num_buffers_in_use=%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1824 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1825 data->num_buffers_in_use);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1826 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1827
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1828 alSourceQueueBuffers(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1829 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1830 data->num_buffers_in_use,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1831 data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1832 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1833 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1834 ALmixer_SetError("Could not bind data to source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1835 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1836 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1837 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1838 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1839 /* This is part of the hideous Nvidia workaround. In order to figure out
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1840 * which buffer to show during callbacks (for things like
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1841 * o-scopes), I must keep a copy of the buffers that are queued in my own
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1842 * data structure. This code will be called only if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1843 * "access_data" was set, indicated by whether the queue is NULL.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1844 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1845 if(data->circular_buffer_queue != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1846 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1847 Uint32 k;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1848 Uint32 queue_ret_flag;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1849 for(k=0; k<data->num_buffers_in_use; k++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1850 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1851 queue_ret_flag = CircularQueueUnsignedInt_PushBack(data->circular_buffer_queue, data->buffer[k]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1852 if(0 == queue_ret_flag)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1853 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1854 fprintf(stderr, "Serious internal error: CircularQueue could not push into queue.\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1855 ALmixer_SetError("Serious internal error: CircularQueue failed to push into queue");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1856 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1857 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1858 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1859 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1860 fprintf(stderr, "Queue in PlayTimed\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1861 CircularQueueUnsignedInt_Print(data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1862 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1863 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1864 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1865 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1866
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1867
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1868 /****** END **********/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1869 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1870 /* We have finished loading the data (predecoded or queued)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1871 * so now we can play
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1872 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1873 alSourcePlay(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1874 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1875 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1876 ALmixer_SetError("Play failed: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1877 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1878 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1879 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1880 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1881
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1882 /* Add to the counter that something is playing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1883 Is_Playing_global++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1884 if(-1 == ret_flag)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1885 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1886 fprintf(stderr, "BACKDOOR ERROR >>>>>>>>>>>>>>>>>>\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1887 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1888 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1889 return channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1890 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1891
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1892
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1893 /* In case the user wants to specify a source instead of a channel,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1894 * they may use this function. This function will look up the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1895 * source-to-channel map, and convert the call into a
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1896 * PlayChannelTimed() function call.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1897 * Returns the channel it's being played on.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1898 * Note: If you are prefer this method, then you need to be careful
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1899 * about using PlayChannel, particularly if you request the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1900 * first available channels because source and channels have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1901 * a one-to-one mapping in this API. It is quite easy for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1902 * a channel/source to already be in use because of this.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1903 * In this event, an error message will be returned to you.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1904 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1905 static ALuint Internal_PlaySourceTimed(ALuint source, ALmixer_Data* data, Sint32 loops, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1906 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1907 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1908 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1909 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1910 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1911 retval = Internal_PlayChannelTimed(-1, data, loops, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1912 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1913 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1914 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1915 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1916 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1917 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1918 return Internal_GetSource(retval);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1919 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1920 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1921
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1922 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1923 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1924 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1925 ALmixer_SetError("Cannot Play source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1926 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1927 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1928 retval = Internal_PlayChannelTimed(channel, data, loops, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1929 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1930 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1931 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1932 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1933 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1934 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1935 return source;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1936 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1937 /* make compiler happy */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1938 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1939 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1940
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1941
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1942
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1943 /* Will return the number of channels halted
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1944 * or 0 for error
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1945 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1946 static Sint32 Internal_HaltChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1947 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1948 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1949 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1950 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1951 ALint buffers_still_queued;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1952 ALint buffers_processed;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1953
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1954 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1955 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1956 ALmixer_SetError("Cannot halt channel %d because it exceeds maximum number of channels (%d)\n", channel, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1957 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1958 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1959 /* If the user specified a specific channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1960 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1961 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1962 fprintf(stderr, "Halt on channel %d\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1963 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1964 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1965 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1966 alSourceStop(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1967 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1968 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1969 fprintf(stderr, "14Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1970 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1971 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1972 /* Here's the situation. My old method of using
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1973 * alSourceUnqueueBuffers() seemed to be invalid in light
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1974 * of all the problems I suffered through with getting
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1975 * the CoreData backend to work with this code.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1976 * As such, I'm changing all the code to set the buffer to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1977 * AL_NONE. Furthermore, the queued vs. non-queued issue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1978 * doesn't need to apply here. For non-queued, Loki,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1979 * Creative Windows, and CoreAudio seem to leave the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1980 * buffer queued (Old Mac didn't.) For queued, we need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1981 * remove the processed buffers and force remove the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1982 * still-queued buffers.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1983 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1984 fprintf(stderr, "Halt on channel %d, channel in use\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1985 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1986 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1987 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1988 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1989 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1990 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1991 fprintf(stderr, "17Testing Error with buffers_still_queued: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1992 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1993 ALmixer_SetError("Failed detecting still queued buffers: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1994 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1995 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1996 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1997 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1998 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
1999 AL_BUFFERS_PROCESSED, &buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2000 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2001 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2002 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2003 fprintf(stderr, "17Testing Error with buffers_processed: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2004 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2005 ALmixer_SetError("Failed detecting still processed buffers: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2006 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2007 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2008 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2009 /* If either of these is greater than 0, it means we need
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2010 * to clear the source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2011 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2012 if((buffers_still_queued > 0) || (buffers_processed > 0))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2013 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2014 alSourcei(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2015 AL_BUFFER,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2016 AL_NONE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2017 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2018 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2019 fprintf(stderr, "17Testing Error with clearing buffer from source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2020 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2021 ALmixer_SetError("Failed to clear buffer from source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2022 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2023 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2024 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2025 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2026
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2027 ALmixer_Channel_List[channel].almixer_data->num_buffers_in_use = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2028
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2029 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2030 Is_Playing_global--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2031 /* Launch callback for consistency? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2032 Invoke_Channel_Done_Callback(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2033 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2034 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2035 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2036 /* The user wants to halt all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2037 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2038 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2039 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2040 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2041 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2042 fprintf(stderr, "Halting channel %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2043 fprintf(stderr, "in use %d\n", ALmixer_Channel_List[i].channel_in_use );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2044 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2045 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2046 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2047 fprintf(stderr, "SourceStop %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2048 alSourceStop(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2049 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2050 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2051 fprintf(stderr, "19Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2052 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2053 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2054
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2055 /* Here's the situation. My old method of using
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2056 * alSourceUnqueueBuffers() seemed to be invalid in light
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2057 * of all the problems I suffered through with getting
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2058 * the CoreData backend to work with this code.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2059 * As such, I'm changing all the code to set the buffer to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2060 * AL_NONE. Furthermore, the queued vs. non-queued issue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2061 * doesn't need to apply here. For non-queued, Loki,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2062 * Creative Windows, and CoreAudio seem to leave the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2063 * buffer queued (Old Mac didn't.) For queued, we need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2064 * remove the processed buffers and force remove the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2065 * still-queued buffers.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2066 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2067 fprintf(stderr, "Halt on channel %d, channel in use\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2068 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2069 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2070 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2071 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2072 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2073 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2074 fprintf(stderr, "17Testing Error with buffers_still_queued: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2075 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2076 ALmixer_SetError("Failed detecting still queued buffers: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2077 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2078 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2079 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2080 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2081 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2082 AL_BUFFERS_PROCESSED, &buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2083 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2084 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2085 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2086 fprintf(stderr, "17Testing Error with buffers_processed: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2087 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2088 ALmixer_SetError("Failed detecting still processed buffers: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2089 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2090 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2091 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2092 /* If either of these is greater than 0, it means we need
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2093 * to clear the source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2094 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2095 if((buffers_still_queued > 0) || (buffers_processed > 0))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2096 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2097 alSourcei(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2098 AL_BUFFER,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2099 AL_NONE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2100 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2101 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2102 fprintf(stderr, "17Testing Error with clearing buffer from source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2103 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2104 ALmixer_SetError("Failed to clear buffer from source: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2105 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2106 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2107 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2108 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2109
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2110 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2111
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2112 fprintf(stderr, "Clean channel %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2113 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2114 Is_Playing_global--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2115 /* Launch callback for consistency? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2116 fprintf(stderr, "Callback%d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2117 Invoke_Channel_Done_Callback(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2118
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2119 /* Increment the counter */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2120 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2121 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2122 /* Let's halt everything just in case there
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2123 * are bugs.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2124 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2125 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2126 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2127 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2128 alSourceStop(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2129 / * Can't clean because the in_use counter for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2130 * data will get messed up * /
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2131 Clean_Channel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2132 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2133 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2134 /* Just in case */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2135 Is_Playing_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2136 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2137 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2138 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2139 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2140 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2141 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2142 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2143 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2144
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2145
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2146 /* Will return the source halted or the total number of channels
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2147 * if all were halted or 0 for error
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2148 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2149 static Sint32 Internal_HaltSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2150 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2151 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2152 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2153 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2154 /* Will return the number of sources halted */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2155 return Internal_HaltChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2156 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2157
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2158 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2159 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2160 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2161 ALmixer_SetError("Cannot halt source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2162 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2163 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2164 return Internal_HaltChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2165 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2166
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2167
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2168 /* This will rewind the SDL_Sound sample for streamed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2169 * samples and start buffering up the data for the next
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2170 * playback. This may require samples to be halted
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2171 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2172 static Sint32 Internal_RewindData(ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2173 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2174 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2175 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2176 Sint32 bytes_returned;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2177 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2178 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2179 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2180 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2181 ALmixer_SetError("Cannot rewind because data is NULL\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2182 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2183 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2184
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2185
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2186 /* Might have to require Halt */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2187 /* Okay, we assume Halt or natural stop has already
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2188 * cleared the data buffers
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2189 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2190 if(data->in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2191 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2192 fprintf(stderr, "Warning sample is in use. May not be able to rewind\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2193 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2194 ALmixer_SetError("Data is in use. Cannot rewind unless all sources using the data are halted\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2195 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2196 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2197 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2198
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2199
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2200 /* Because Seek can alter things even in predecoded data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2201 * decoded data must also be rewound
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2202 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2203 if(data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2204 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2205 data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2206
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2207 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2208 #if defined(DISABLE_PREDECODED_SEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2209 /* Since we can't seek predecoded stuff, it should be rewound */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2210 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2211 #elif !defined(DISABLE_SEEK_MEMORY_OPTIMIZATION)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2212 /* This case is if the Sound_Sample has been deleted.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2213 * It assumes the data is already at the beginning.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2214 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2215 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2216 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2217 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2218 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2219 /* Else, the sample has already been reallocated,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2220 * and we can fall to normal behavior
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2221 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2222 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2223 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2224 /* If access_data, was enabled, the sound sample
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2225 * still exists and we can do stuff.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2226 * If it's NULL, we can't do anything, but
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2227 * it should already be "rewound".
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2228 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2229 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2230 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2231 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2232 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2233 /* Else, the sample has already been reallocated,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2234 * and we can fall to normal behavior
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2235 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2236
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2237 Set_Predecoded_Seek_Position(data, 0);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2238 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2239 return data->total_bytes;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2240 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2241 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2242 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2243
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2244 /* Remaining stuff for streamed data */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2245
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2246 fprintf(stderr, "Rewinding for stream\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2247 data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2248 retval = Sound_Rewind(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2249 if(0 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2250 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2251 ALmixer_SetError( Sound_GetError() );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2252 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2253 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2254 fprintf(stderr, "Rewinding succeeded\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2255 fprintf(stderr, "calling GetMoreData for Rewinding for stream\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2256 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2257 /* Clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2258 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2259 for(i=0; i<data->num_buffers; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2260 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2261 bytes_returned = GetMoreData(data, data->buffer[i]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2262 if(-1 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2263 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2264 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2265 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2266 else if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2267 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2268 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2269 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2270 retval += bytes_returned;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2271
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2272 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2273 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2274
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2275
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2276 fprintf(stderr, "end Rewinding for stream\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2277
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2278 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2279 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2280
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2281
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2282
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2283
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2284 static Sint32 Internal_RewindChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2285 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2286 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2287 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2288 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2289
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2290 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2291 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2292 ALmixer_SetError("Cannot rewind channel %d because it exceeds maximum number of channels (%d)\n", channel, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2293 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2294 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2295
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2296 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2297 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2298 fprintf(stderr, "24Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2299 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2300 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2301 /* Clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2302 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2303
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2304 /* If the user specified a specific channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2305 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2306 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2307 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2308 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2309 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2310
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2311 /* What should I do? Do I just rewind the channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2312 * or also rewind the data? Since the data is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2313 * shared, let's make it the user's responsibility
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2314 * to rewind the data.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2315 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2316 if(ALmixer_Channel_List[channel].almixer_data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2317 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2318 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2319 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2320 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2321 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2322 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2323 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2324 fprintf(stderr, "25Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2325 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2326 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2327 alSourceRewind(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2328 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2329 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2330 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2331 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2332 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2333 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2334 /* Need to resume playback if it was originally playing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2335 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2336 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2337 alSourcePlay(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2338 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2339 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2340 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2341 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2342 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2343 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2344 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2345 else if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2346 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2347 /* HACK: The problem is that when paused, after
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2348 * the Rewind, I can't get it off the INITIAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2349 * state without restarting
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2350 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2351 alSourcePlay(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2352 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2353 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2354 fprintf(stderr, "25Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2355 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2356 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2357 alSourcePause(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2358 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2359 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2360 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2361 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2362 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2363 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2364 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2365 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2366 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2367 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2368 /* Streamed data is different. Rewinding the channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2369 * does no good. Rewinding the data will have an
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2370 * effect, but it will be lagged based on how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2371 * much data is queued. Recommend users call Halt
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2372 * before rewind if they want immediate results.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2373 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2374 retval = Internal_RewindData(ALmixer_Channel_List[channel].almixer_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2375 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2376 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2377 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2378 /* The user wants to halt all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2379 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2380 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2381 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2382 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2383 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2384 fprintf(stderr, "in use %d\n", ALmixer_Channel_List[i].channel_in_use );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2385 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2386 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2387 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2388 /* What should I do? Do I just rewind the channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2389 * or also rewind the data? Since the data is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2390 * shared, let's make it the user's responsibility
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2391 * to rewind the data.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2392 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2393 if(ALmixer_Channel_List[i].almixer_data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2394 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2395 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2396 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2397 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2398 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2399 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2400 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2401 fprintf(stderr, "26Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2402 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2403 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2404 alSourceRewind(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2405 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2406 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2407 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2408 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2409 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2410 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2411 /* Need to resume playback if it was originally playing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2412 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2413 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2414 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2415 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2416 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2417 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2418 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2419 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2420 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2421 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2422 else if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2423 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2424 /* HACK: The problem is that when paused, after
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2425 * the Rewind, I can't get it off the INITIAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2426 * state without restarting
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2427 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2428 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2429 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2430 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2431 fprintf(stderr, "27Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2432 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2433 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2434 alSourcePause(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2435 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2436 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2437 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2438 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2439 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2440 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2441 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2442 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2443 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2444 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2445 /* Streamed data is different. Rewinding the channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2446 * does no good. Rewinding the data will have an
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2447 * effect, but it will be lagged based on how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2448 * much data is queued. Recommend users call Halt
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2449 * before rewind if they want immediate results.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2450 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2451 retval = Internal_RewindData(ALmixer_Channel_List[i].almixer_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2452 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2453 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2454 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2455 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2456 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2457 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2458
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2459
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2460 static Sint32 Internal_RewindSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2461 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2462 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2463 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2464 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2465 return Internal_RewindChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2466 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2467
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2468 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2469 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2470 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2471 ALmixer_SetError("Cannot rewind source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2472 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2473 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2474 return Internal_RewindChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2475 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2476
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2477
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2478
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2479 /* Returns the channel or number of channels actually paused */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2480
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2481 static Sint32 Internal_PauseChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2482 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2483 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2484 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2485 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2486 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2487
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2488 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2489 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2490 ALmixer_SetError("Cannot pause channel %d because it exceeds maximum number of channels (%d)\n", channel, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2491 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2492 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2493
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2494 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2495 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2496 fprintf(stderr, "28Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2497 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2498 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2499 /* Clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2500 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2501
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2502 /* If the user specified a specific channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2503 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2504 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2505 fprintf(stderr, "Pause on channel %d\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2506 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2507 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2508 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2509 /* We don't want to repause if already
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2510 * paused because the fadeout/expire
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2511 * timing will get messed up
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2512 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2513 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2514 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2515 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2516 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2517 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2518 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2519 fprintf(stderr, "29Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2520 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2521 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2522 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2523 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2524 /* Count the actual number of channels being paused */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2525 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2526
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2527 alSourcePause(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2528 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2529 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2530 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2531 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2532 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2533 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2534 /* We need to pause the expire time count down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2535 if(ALmixer_Channel_List[channel].expire_ticks != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2536 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2537 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2538 Uint32 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2539 diff_time = current_time -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2540 ALmixer_Channel_List[channel].start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2541 /* When we unpause, we will want to reset
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2542 * the start time so we can continue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2543 * to base calculations off GetTicks().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2544 * This means we need to subtract the amount
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2545 * of time already used up from expire_ticks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2546 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2547 ALmixer_Channel_List[channel].expire_ticks =
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2548 ALmixer_Channel_List[channel].expire_ticks -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2549 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2550 /* Because -1 is a special value, we can't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2551 * allow the time to go negative
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2552 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2553 if(ALmixer_Channel_List[channel].expire_ticks < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2554 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2555 ALmixer_Channel_List[channel].expire_ticks = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2556 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2557 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2558 /* Do the same as expire time for fading */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2559 if(ALmixer_Channel_List[channel].fade_enabled)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2560 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2561 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2562 Uint32 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2563 diff_time = current_time -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2564 ALmixer_Channel_List[channel].fade_start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2565 /* When we unpause, we will want to reset
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2566 * the start time so we can continue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2567 * to base calculations off GetTicks().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2568 * This means we need to subtract the amount
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2569 * of time already used up from expire_ticks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2570 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2571 ALmixer_Channel_List[channel].fade_expire_ticks =
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2572 ALmixer_Channel_List[channel].fade_expire_ticks -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2573 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2574 /* Don't allow the time to go negative */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2575 if(ALmixer_Channel_List[channel].expire_ticks < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2576 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2577 ALmixer_Channel_List[channel].expire_ticks = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2578 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2579 } /* End fade check */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2580 } /* End if PLAYING */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2581 } /* End If in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2582 } /* End specific channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2583 /* The user wants to halt all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2584 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2585 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2586 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2587 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2588 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2589 fprintf(stderr, "Pausing channel %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2590 fprintf(stderr, "in use %d\n", ALmixer_Channel_List[i].channel_in_use );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2591 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2592 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2593 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2594 /* We don't want to repause if already
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2595 * paused because the fadeout/expire
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2596 * timing will get messed up
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2597 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2598 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2599 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2600 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2601 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2602 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2603 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2604 fprintf(stderr, "30Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2605 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2606 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2607 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2608 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2609 /* Count the actual number of channels being paused */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2610 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2611
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2612 fprintf(stderr, "SourcePause %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2613 alSourcePause(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2614 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2615 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2616 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2617 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2618 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2619 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2620 /* We need to pause the expire time count down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2621 if(ALmixer_Channel_List[i].expire_ticks != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2622 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2623 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2624 Uint32 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2625 diff_time = current_time -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2626 ALmixer_Channel_List[i].start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2627 /* When we unpause, we will want to reset
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2628 * the start time so we can continue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2629 * to base calculations off GetTicks().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2630 * This means we need to subtract the amount
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2631 * of time already used up from expire_ticks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2632 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2633 ALmixer_Channel_List[i].expire_ticks =
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2634 ALmixer_Channel_List[i].expire_ticks -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2635 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2636 /* Because -1 is a special value, we can't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2637 * allow the time to go negative
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2638 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2639 if(ALmixer_Channel_List[i].expire_ticks < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2640 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2641 ALmixer_Channel_List[i].expire_ticks = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2642 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2643 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2644 /* Do the same as expire time for fading */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2645 if(ALmixer_Channel_List[i].fade_enabled)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2646 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2647 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2648 Uint32 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2649 diff_time = current_time -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2650 ALmixer_Channel_List[i].fade_start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2651 /* When we unpause, we will want to reset
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2652 * the start time so we can continue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2653 * to base calculations off GetTicks().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2654 * This means we need to subtract the amount
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2655 * of time already used up from expire_ticks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2656 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2657 ALmixer_Channel_List[i].fade_expire_ticks =
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2658 ALmixer_Channel_List[i].fade_expire_ticks -
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2659 diff_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2660 /* Don't allow the time to go negative */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2661 if(ALmixer_Channel_List[i].expire_ticks < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2662 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2663 ALmixer_Channel_List[i].expire_ticks = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2664 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2665 } /* End fade check */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2666 } /* End if PLAYING */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2667 } /* End channel in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2668 } /* End for-loop */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2669 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2670 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2671 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2672 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2673 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2674 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2675 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2676
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2677 /* Returns the channel or number of channels actually paused */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2678 static Sint32 Internal_PauseSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2679 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2680 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2681 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2682 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2683 return Internal_PauseChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2684 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2685
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2686 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2687 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2688 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2689 ALmixer_SetError("Cannot pause source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2690 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2691 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2692 return Internal_PauseChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2693 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2694
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2695
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2696
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2697 static Sint32 Internal_ResumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2698 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2699 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2700 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2701 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2702 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2703
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2704 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2705 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2706 ALmixer_SetError("Cannot pause channel %d because it exceeds maximum number of channels (%d)\n", channel, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2707 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2708 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2709
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2710 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2711 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2712 fprintf(stderr, "31Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2713 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2714 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2715 /* Clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2716 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2717
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2718 /* If the user specified a specific channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2719 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2720 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2721 fprintf(stderr, "Pause on channel %d\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2722 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2723 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2724 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2725 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2726 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2727 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2728 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2729 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2730 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2731 fprintf(stderr, "32Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2732 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2733 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2734 if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2735 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2736 /* Count the actual number of channels resumed */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2737 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2738
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2739 /* We need to resume the expire time count down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2740 if(ALmixer_Channel_List[channel].expire_ticks != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2741 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2742 ALmixer_Channel_List[channel].start_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2743 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2744 /* Do the same as expire time for fading */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2745 if(ALmixer_Channel_List[channel].fade_enabled)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2746 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2747 ALmixer_Channel_List[channel].fade_start_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2748 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2749
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2750 alSourcePlay(ALmixer_Channel_List[channel].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2751 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2752 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2753 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2754 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2755 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2756 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2757 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2758 fprintf(stderr, "Pause on channel %d, channel in use\n", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2759 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2760 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2761 /* The user wants to halt all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2762 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2763 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2764 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2765 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2766 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2767 fprintf(stderr, "Pausing channel %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2768 fprintf(stderr, "in use %d\n", ALmixer_Channel_List[i].channel_in_use );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2769 /* only need to process channel if in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2770 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2771 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2772 fprintf(stderr, "SourcePause %d\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2773 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2774 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2775 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2776 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2777 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2778 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2779 fprintf(stderr, "33Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2780 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2781 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2782 if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2783 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2784 /* Count the actual number of channels resumed */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2785 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2786
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2787 /* We need to resume the expire time count down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2788 if(ALmixer_Channel_List[i].expire_ticks != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2789 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2790 ALmixer_Channel_List[i].start_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2791 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2792 /* Do the same as expire time for fading */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2793 if(ALmixer_Channel_List[i].fade_enabled)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2794 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2795 ALmixer_Channel_List[i].fade_start_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2796 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2797
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2798 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2799 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2800 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2801 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2802 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2803 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2804 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2805 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2806 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2807 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2808 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2809 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2810 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2811 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2812 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2813 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2814 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2815
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2816
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2817 static Sint32 Internal_ResumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2818 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2819 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2820 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2821 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2822 return Internal_ResumeChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2823 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2824
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2825 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2826 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2827 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2828 ALmixer_SetError("Cannot resume source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2829 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2830 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2831 return Internal_ResumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2832 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2833
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2834
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2835 /* Might consider setting eof to 0 as a "feature"
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2836 * This will allow seek to end to stay there because
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2837 * Play automatically rewinds if at the end */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2838 static Sint32 Internal_Seek(ALmixer_Data* data, Uint32 msec)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2839 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2840 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2841
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2842 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2843 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2844 ALmixer_SetError("Cannot Seek because data is NULL");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2845 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2846 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2847
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2848 /* Seek for predecoded files involves moving the chunk pointer around */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2849 if(data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2850 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2851 Uint32 byte_position;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2852
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2853 /* OpenAL doesn't seem to like it if I change the buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2854 * while playing (crashes), so I must require that Seek only
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2855 * be done when the data is not in use.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2856 * Since data may be shared among multiple sources,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2857 * I can't shut them down myself, so I have to return an error.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2858 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2859 if(data->in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2860 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2861 ALmixer_SetError("Cannot seek on predecoded data while instances are playing");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2862 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2863 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2864 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2865 #if defined(DISABLE_PREDECODED_SEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2866 ALmixer_SetError("Seek support for predecoded samples was not compiled in");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2867 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2868
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2869 #elif !defined(DISABLE_SEEK_MEMORY_OPTIMIZATION)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2870 /* By default, ALmixer frees the Sound_Sample for predecoded
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2871 * samples because of the potential memory waste.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2872 * However, to seek a sample, we need to have a full
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2873 * copy of the data around. So the strategy is to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2874 * recreate a hackish Sound_Sample to be used for seeking
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2875 * purposes. If Sound_Sample is NULL, we will reallocate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2876 * memory for it and then procede as if everything
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2877 * was normal.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2878 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2879 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2880 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2881 if( -1 == Reconstruct_Sound_Sample(data) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2882 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2883 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2884 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2885 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2886 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2887 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2888 /* If access_data was set, then we still have the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2889 * Sound_Sample and we can move around in the data.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2890 * If it was not set, the data has been freed and we
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2891 * cannot do anything because there is no way to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2892 * recover the data because OpenAL won't let us
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2893 * get access to the buffers
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2894 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2895 if(NULL == data->sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2896 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2897 ALmixer_SetError("Cannot seek because access_data flag was set false when data was initialized");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2898 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2899 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2900
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2901 fprintf(stderr, "Calling convert\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2902 byte_position = Convert_Msec_To_Byte_Pos(&data->sample->desired, msec);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2903 fprintf(stderr, "Calling Set_Predecoded_Seek...%d\n", byte_position);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2904 return( Set_Predecoded_Seek_Position(data, byte_position) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2905 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2906 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2907 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2908 /* Reset eof flag?? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2909 data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2910 retval = Sound_Seek(data->sample, msec);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2911 if(0 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2912 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2913 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2914
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2915 fprintf(stderr, "Sound seek error: %s\n", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2916 /* Try rewinding to clean up? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2917 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2918 Internal_RewindData(data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2919 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2920 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2921 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2922 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2923 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2924
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2925 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2926 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2927
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2928
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2929
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2930 static Sint32 Internal_FadeInChannelTimed(Sint32 channel, ALmixer_Data* data, Sint32 loops, Uint32 fade_ticks, Sint32 expire_ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2931 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2932 ALfloat value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2933 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2934 ALfloat original_value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2935 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2936 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2937
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2938
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2939
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2940 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2941 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2942 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2943 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2944 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2945 /* Let's call PlayChannelTimed to do the job.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2946 * There are two catches:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2947 * First is that we must set the volumes before the play call(s).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2948 * Second is that we must initialize the channel values
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2949 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2950
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2951 if(channel < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2952 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2953 /* This might cause a problem for threads/race conditions.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2954 * We need to set the volume on an unknown channel,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2955 * so we need to request a channel first. Remember
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2956 * that requesting a channel doesn't lock and it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2957 * could be surrendered to somebody else before we claim it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2958 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2959 channel = Internal_GetChannel(0);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2960 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2961 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2962 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2963 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2964 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2965 else if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2966 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2967 ALmixer_SetError("Channel %d is already in use", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2968 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2969 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2970
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2971
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2972 /* Get the original volume in case of a problem */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2973 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2974 AL_MAX_GAIN, &original_value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2975
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2976 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2977 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2978 fprintf(stderr, "35Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2979 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2980 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2981 /* Get the Max volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2982 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2983 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2984 AL_MAX_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2985 ALmixer_Channel_List[channel].fade_end_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2986 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2987 ALmixer_Channel_List[channel].fade_end_volume =
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2988 ALmixer_Channel_List[channel].max_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2989
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2990 fprintf(stderr, "MAX gain: %f\n", value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2991 /* Get the Min volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2992 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2993 AL_MIN_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2994 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2995 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2996 fprintf(stderr, "36Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2997 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2998 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
2999 ALmixer_Channel_List[channel].fade_start_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3000 fprintf(stderr, "MIN gain: %f\n", value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3001
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3002 /* Set the actual volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3003 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3004 AL_MAX_GAIN, value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3005 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3006 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3007 fprintf(stderr, "37Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3008 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3009 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3010
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3011
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3012 /* Now call PlayChannelTimed */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3013 retval = Internal_PlayChannelTimed(channel, data, loops, expire_ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3014 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3015 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3016 /* Chance of failure is actually pretty high since
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3017 * a channel might already be in use or streamed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3018 * data can be shared
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3019 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3020 /* Restore the original value to avoid accidental
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3021 * distruption of playback
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3022 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3023 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3024 AL_MAX_GAIN, original_value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3025 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3026 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3027 fprintf(stderr, "38Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3028 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3029 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3030 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3031 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3032
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3033 /* We can't accept 0 as a value because of div-by-zero.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3034 * If zero, just call PlayChannelTimed at normal
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3035 * volume
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3036 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3037 if(0 == fade_ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3038 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3039 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3040 AL_MAX_GAIN,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3041 ALmixer_Channel_List[channel].fade_end_volume
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3042 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3043 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3044 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3045 fprintf(stderr, "39Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3046 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3047 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3048
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3049 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3050 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3051
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3052 /* Enable fading effects via the flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3053 ALmixer_Channel_List[channel].fade_enabled = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3054 /* Set fade start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3055 ALmixer_Channel_List[channel].fade_start_time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3056 = ALmixer_Channel_List[channel].start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3057 fprintf(stderr, "Current time =%d\n", current_time);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3058 /* Set the fade expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3059 ALmixer_Channel_List[channel].fade_expire_ticks = fade_ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3060
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3061 /* Set 1/(endtime-starttime) or 1/deltaT */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3062 ALmixer_Channel_List[channel].fade_inv_time = 1.0f / fade_ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3063
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3064 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3065
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3066 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3067
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3068
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3069 static ALuint Internal_FadeInSourceTimed(ALuint source, ALmixer_Data* data, Sint32 loops, Uint32 fade_ticks, Sint32 expire_ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3070 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3071 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3072 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3073 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3074 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3075 retval = Internal_FadeInChannelTimed(-1, data, loops, fade_ticks, expire_ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3076 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3077 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3078 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3079 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3080 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3081 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3082 return Internal_GetSource(retval);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3083 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3084 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3085
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3086 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3087 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3088 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3089 ALmixer_SetError("Cannot FadeIn source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3090 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3091 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3092 retval = Internal_FadeInChannelTimed(channel, data, loops, fade_ticks, expire_ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3093 if(-1 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3094 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3095 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3096 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3097 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3098 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3099 return source;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3100 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3101 /* make compiler happy */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3102 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3103 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3104
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3105
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3106
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3107
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3108 /* Will fade out currently playing channels.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3109 * It starts at the current volume level and goes down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3110 static Sint32 Internal_FadeOutChannel(Sint32 channel, Uint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3111 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3112 ALfloat value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3113 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3114 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3115 Uint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3116
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3117 /* We can't accept 0 as a value because of div-by-zero.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3118 * If zero, just call Halt at normal
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3119 * volume
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3120 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3121 if(0 == ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3122 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3123 return Internal_HaltChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3124 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3125
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3126
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3127 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3128 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3129 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3130 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3131 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3132
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3133 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3134 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3135 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3136 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3137 /* Get the current volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3138 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3139 AL_MAX_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3140 ALmixer_Channel_List[channel].fade_start_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3141 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3142 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3143 fprintf(stderr, "40Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3144 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3145 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3146
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3147 /* Get the Min volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3148 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3149 AL_MIN_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3150 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3151 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3152 fprintf(stderr, "41Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3153 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3154 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3155 ALmixer_Channel_List[channel].fade_end_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3156 fprintf(stderr, "MIN gain: %f\n", value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3157
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3158 /* Set expire start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3159 ALmixer_Channel_List[channel].start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3160 /* Set the expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3161 ALmixer_Channel_List[channel].expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3162 /* Set fade start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3163 ALmixer_Channel_List[channel].fade_start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3164 /* Set the fade expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3165 ALmixer_Channel_List[channel].fade_expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3166 /* Enable fading effects via the flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3167 ALmixer_Channel_List[channel].fade_enabled = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3168
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3169 /* Set 1/(endtime-starttime) or 1/deltaT */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3170 ALmixer_Channel_List[channel].fade_inv_time = 1.0f / ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3171
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3172 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3173 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3174 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3175 /* Else need to fade out all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3176 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3177 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3178 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3179 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3180 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3181 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3182 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3183 /* Get the current volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3184 alGetSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3185 AL_MAX_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3186 ALmixer_Channel_List[i].fade_start_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3187 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3188 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3189 fprintf(stderr, "42Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3190 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3191 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3192
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3193 /* Get the Min volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3194 alGetSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3195 AL_MIN_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3196 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3197 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3198 fprintf(stderr, "43Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3199 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3200 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3201 ALmixer_Channel_List[i].fade_end_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3202 fprintf(stderr, "MIN gain: %f\n", value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3203
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3204 /* Set expire start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3205 ALmixer_Channel_List[i].start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3206 /* Set the expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3207 ALmixer_Channel_List[i].expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3208 /* Set fade start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3209 ALmixer_Channel_List[i].fade_start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3210 /* Set the fade expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3211 ALmixer_Channel_List[i].fade_expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3212 /* Enable fading effects via the flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3213 ALmixer_Channel_List[i].fade_enabled = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3214
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3215 /* Set 1/(endtime-starttime) or 1/deltaT */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3216 ALmixer_Channel_List[i].fade_inv_time = 1.0f / ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3217
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3218 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3219 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3220 } /* End for loop */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3221 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3222 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3223 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3224
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3225
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3226 static Sint32 Internal_FadeOutSource(ALuint source, Uint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3227 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3228 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3229 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3230 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3231 return Internal_FadeOutChannel(-1, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3232 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3233
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3234 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3235 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3236 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3237 ALmixer_SetError("Cannot FadeOut source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3238 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3239 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3240 return Internal_FadeOutChannel(channel, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3241 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3242
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3243
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3244 /* Will fade currently playing channels.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3245 * It starts at the current volume level and go to target
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3246 * Only affects channels that are playing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3247 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3248 static Sint32 Internal_FadeChannel(Sint32 channel, Uint32 ticks, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3249 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3250 ALfloat value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3251 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3252 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3253 Uint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3254
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3255 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3256 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3257 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3258 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3259 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3260
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3261 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3262 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3263 if(volume < ALmixer_Channel_List[channel].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3264 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3265 volume = ALmixer_Channel_List[channel].min_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3266 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3267 else if(volume > ALmixer_Channel_List[channel].max_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3268 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3269 volume = ALmixer_Channel_List[channel].max_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3270 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3271
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3272 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3273 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3274 if(ticks > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3275 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3276 /* Get the current volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3277 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3278 AL_MAX_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3279 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3280 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3281 fprintf(stderr, "44Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3282 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3283 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3284 ALmixer_Channel_List[channel].fade_start_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3285
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3286 /* Set the target volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3287 ALmixer_Channel_List[channel].fade_end_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3288
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3289 /* Set fade start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3290 ALmixer_Channel_List[channel].fade_start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3291 /* Set the fade expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3292 ALmixer_Channel_List[channel].fade_expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3293 /* Enable fading effects via the flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3294 ALmixer_Channel_List[channel].fade_enabled = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3295
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3296 /* Set 1/(endtime-starttime) or 1/deltaT */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3297 ALmixer_Channel_List[channel].fade_inv_time = 1.0f / ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3298 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3299 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3300 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3301 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3302 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3303 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3304 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3305 fprintf(stderr, "45Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3306 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3307 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3308 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3309 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3310 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3311 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3312 /* Else need to fade out all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3313 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3314 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3315 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3316 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3317 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3318 if(volume < ALmixer_Channel_List[i].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3319 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3320 volume = ALmixer_Channel_List[i].min_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3321 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3322 else if(volume > ALmixer_Channel_List[i].max_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3323 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3324 volume = ALmixer_Channel_List[i].max_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3325 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3326
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3327 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3328 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3329 if(ticks > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3330 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3331 /* Get the current volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3332 alGetSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3333 AL_MAX_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3334 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3335 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3336 fprintf(stderr, "46Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3337 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3338 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3339 ALmixer_Channel_List[i].fade_start_volume = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3340
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3341 /* Set target volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3342 ALmixer_Channel_List[i].fade_end_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3343
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3344 /* Set fade start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3345 ALmixer_Channel_List[i].fade_start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3346 /* Set the fade expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3347 ALmixer_Channel_List[i].fade_expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3348 /* Enable fading effects via the flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3349 ALmixer_Channel_List[i].fade_enabled = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3350
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3351 /* Set 1/(endtime-starttime) or 1/deltaT */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3352 ALmixer_Channel_List[i].fade_inv_time = 1.0f / ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3353 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3354 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3355 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3356 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3357 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3358 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3359 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3360 fprintf(stderr, "47Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3361 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3362 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3363 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3364 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3365 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3366 } /* End for loop */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3367 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3368 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3369 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3370
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3371 static Sint32 Internal_FadeSource(ALuint source, Uint32 ticks, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3372 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3373 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3374 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3375 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3376 return Internal_FadeChannel(-1, ticks, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3377 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3378
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3379 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3380 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3381 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3382 ALmixer_SetError("Cannot Fade source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3383 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3384 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3385 return Internal_FadeChannel(channel, ticks, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3386 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3387
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3388
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3389
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3390
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3391 /* Set a volume regardless if it's in use or not.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3392 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3393 static Sint32 Internal_SetMaxVolumeChannel(Sint32 channel, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3394 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3395 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3396 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3397
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3398 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3399 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3400 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3401 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3402 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3403
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3404 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3405 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3406 if(volume < 0.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3407 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3408 volume = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3409 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3410 else if(volume > 1.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3411 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3412 volume = 1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3413 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3414 ALmixer_Channel_List[channel].max_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3415 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3416 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3417 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3418 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3419 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3420 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3421 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3422 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3423 if(ALmixer_Channel_List[channel].max_volume < ALmixer_Channel_List[channel].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3424 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3425 ALmixer_Channel_List[channel].min_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3426 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3427 AL_MIN_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3428 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3429 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3430 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3431 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3432 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3433 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3434 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3435 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3436 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3437 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3438 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3439 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3440 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3441 if(volume < 0.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3442 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3443 volume = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3444 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3445 else if(volume > 1.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3446 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3447 volume = 1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3448 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3449 ALmixer_Channel_List[i].max_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3450 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3451 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3452 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3453 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3454 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3455 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3456 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3457 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3458 if(ALmixer_Channel_List[i].max_volume < ALmixer_Channel_List[i].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3459 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3460 ALmixer_Channel_List[i].min_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3461 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3462 AL_MIN_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3463 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3464 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3465 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3466 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3467 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3468 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3469 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3470 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3471 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3472 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3473 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3474
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3475 static Sint32 Internal_SetMaxVolumeSource(ALuint source, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3476 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3477 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3478 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3479 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3480 return Internal_SetMaxVolumeChannel(-1, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3481 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3482
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3483 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3484 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3485 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3486 ALmixer_SetError("Cannot SetMaxVolume: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3487 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3488 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3489 return Internal_SetMaxVolumeChannel(channel, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3490 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3491
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3492 static ALfloat Internal_GetMaxVolumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3493 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3494 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3495 ALfloat value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3496 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3497 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3498 ALfloat running_total = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3499 ALfloat retval = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3500
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3501 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3502 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3503 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3504 return -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3505 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3506
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3507 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3508 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3509 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3510 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3511 AL_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3512 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3513 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3514 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3515 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3516 retval = -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3517 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3518 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3519 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3520 retval = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3521 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3522 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3523 retval = ALmixer_Channel_List[channel].max_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3524
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3525 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3526 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3527 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3528 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3529 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3530 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3531 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3532 alGetSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3533 AL_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3534 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3535 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3536 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3537 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3538 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3539 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3540 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3541 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3542 running_total += value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3543 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3544 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3545 running_total += ALmixer_Channel_List[i].max_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3546 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3547 if(0 == Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3548 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3549 ALmixer_SetError("No channels are allocated");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3550 retval = -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3551 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3552 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3553 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3554 retval = running_total / Number_of_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3555 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3556 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3557 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3558 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3559
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3560 static ALfloat Internal_GetMaxVolumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3561 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3562 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3563 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3564 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3565 return Internal_GetMaxVolumeChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3566 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3567
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3568 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3569 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3570 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3571 ALmixer_SetError("Cannot GetVolume: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3572 return -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3573 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3574
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3575 return Internal_GetMaxVolumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3576 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3577
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3578
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3579 /* Set a volume regardless if it's in use or not.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3580 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3581 static Sint32 Internal_SetMinVolumeChannel(Sint32 channel, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3582 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3583 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3584 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3585
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3586 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3587 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3588 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3589 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3590 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3591
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3592 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3593 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3594 if(volume < 0.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3595 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3596 volume = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3597 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3598 else if(volume > 1.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3599 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3600 volume = 1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3601 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3602 ALmixer_Channel_List[channel].min_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3603 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3604 AL_MIN_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3605 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3606 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3607 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3608 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3609 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3610 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3611 if(ALmixer_Channel_List[channel].max_volume < ALmixer_Channel_List[channel].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3612 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3613 ALmixer_Channel_List[channel].max_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3614 alSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3615 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3616 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3617 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3618 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3619 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3620 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3621 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3622 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3623 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3624 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3625 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3626 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3627 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3628 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3629 if(volume < 0.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3630 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3631 volume = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3632 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3633 else if(volume > 1.0f)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3634 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3635 volume = 1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3636 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3637 ALmixer_Channel_List[i].min_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3638 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3639 AL_MIN_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3640 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3641 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3642 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3643 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3644 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3645 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3646 if(ALmixer_Channel_List[i].max_volume < ALmixer_Channel_List[i].min_volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3647 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3648 ALmixer_Channel_List[i].max_volume = volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3649 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3650 AL_MAX_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3651 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3652 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3653 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3654 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3655 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3656 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3657 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3658 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3659 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3660 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3661 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3662
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3663 static Sint32 Internal_SetMinVolumeSource(ALuint source, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3664 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3665 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3666 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3667 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3668 return Internal_SetMinVolumeChannel(-1, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3669 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3670
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3671 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3672 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3673 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3674 ALmixer_SetError("Cannot SetMaxVolume: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3675 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3676 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3677 return Internal_SetMinVolumeChannel(channel, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3678 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3679
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3680 static ALfloat Internal_GetMinVolumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3681 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3682 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3683 ALfloat value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3684 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3685 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3686 ALfloat running_total = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3687 ALfloat retval = 0.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3688
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3689 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3690 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3691 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3692 return -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3693 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3694
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3695 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3696 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3697 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3698 alGetSourcef(ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3699 AL_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3700 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3701 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3702 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3703 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3704 retval = -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3705 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3706 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3707 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3708 retval = value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3709 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3710 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3711 retval = ALmixer_Channel_List[channel].min_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3712
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3713 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3714 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3715 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3716 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3717 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3718 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3719 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3720 alGetSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3721 AL_GAIN, &value);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3722 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3723 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3724 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3725 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3726 retval = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3727 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3728 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3729 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3730 running_total += value;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3731 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3732 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3733 running_total += ALmixer_Channel_List[i].min_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3734 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3735 if(0 == Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3736 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3737 ALmixer_SetError("No channels are allocated");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3738 retval = -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3739 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3740 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3741 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3742 retval = running_total / Number_of_Channels_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3743 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3744 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3745 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3746 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3747
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3748 static ALfloat Internal_GetMinVolumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3749 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3750 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3751 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3752 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3753 return Internal_GetMinVolumeChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3754 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3755
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3756 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3757 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3758 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3759 ALmixer_SetError("Cannot GetVolume: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3760 return -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3761 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3762
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3763 return Internal_GetMinVolumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3764 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3765
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3766
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3767 /* Changes the listener volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3768 static Sint32 Internal_SetMasterVolume(ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3769 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3770 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3771 alListenerf(AL_GAIN, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3772 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3773 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3774 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3775 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3776 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3777 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3778 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3779 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3780
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3781 static ALfloat Internal_GetMasterVolume()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3782 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3783 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3784 ALfloat volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3785 alGetListenerf(AL_GAIN, &volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3786 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3787 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3788 ALmixer_SetError("%s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3789 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3790 return -1.0f;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3791 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3792 return volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3793 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3794
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3795
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3796
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3797
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3798 /* Will fade out currently playing channels.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3799 * It starts at the current volume level and goes down */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3800 static Sint32 Internal_ExpireChannel(Sint32 channel, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3801 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3802 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3803 Uint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3804
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3805 /* We can't accept 0 as a value because of div-by-zero.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3806 * If zero, just call Halt at normal
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3807 * volume
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3808 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3809 if(0 == ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3810 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3811 return Internal_HaltChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3812 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3813 if(ticks < -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3814 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3815 ticks = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3816 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3817
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3818
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3819 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3820 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3821 ALmixer_SetError("Requested channel (%d) exceeds maximum channel (%d) because only %d channels are allocated", channel, Number_of_Channels_global-1, Number_of_Channels_global);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3822 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3823 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3824
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3825 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3826 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3827 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3828 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3829 /* Set expire start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3830 ALmixer_Channel_List[channel].start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3831 /* Set the expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3832 ALmixer_Channel_List[channel].expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3833
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3834 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3835 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3836 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3837 /* Else need to fade out all channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3838 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3839 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3840 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3841 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3842 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3843 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3844 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3845 /* Set expire start time */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3846 ALmixer_Channel_List[i].start_time = current_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3847 /* Set the expire ticks */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3848 ALmixer_Channel_List[i].expire_ticks = ticks;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3849
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3850 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3851 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3852 } /* End for loop */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3853 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3854 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3855 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3856
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3857
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3858 static Sint32 Internal_ExpireSource(ALuint source, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3859 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3860 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3861 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3862 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3863 return Internal_ExpireChannel(-1, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3864 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3865
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3866 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3867 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3868 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3869 ALmixer_SetError("Cannot Expire source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3870 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3871 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3872 return Internal_ExpireChannel(channel, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3873 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3874
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3875
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3876 static Sint32 Internal_QueryChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3877 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3878 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3879 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3880 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3881 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3882 ALmixer_SetError("Invalid channel: %d", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3883 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3884 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3885
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3886 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3887 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3888 return ALmixer_Channel_List[channel].channel_in_use;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3889 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3890
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3891 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3892 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3893 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3894 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3895 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3896 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3897 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3898 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3899 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3900 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3901
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3902
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3903 static Sint32 Internal_QuerySource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3904 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3905 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3906 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3907 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3908 return Internal_QueryChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3909 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3910
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3911 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3912 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3913 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3914 ALmixer_SetError("Cannot query source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3915 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3916 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3917
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3918 return Internal_QueryChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3919 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3920
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3921
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3922 static Sint32 Internal_CountUnreservedUsedChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3923 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3924 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3925 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3926
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3927
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3928 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3929 for(i=Number_of_Reserve_Channels_global; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3930 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3931 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3932 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3933 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3934 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3935 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3936 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3937 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3938
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3939 static Sint32 Internal_CountUnreservedFreeChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3940 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3941 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3942 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3943
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3944
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3945 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3946 for(i=Number_of_Reserve_Channels_global; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3947 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3948 if( ! ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3949 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3950 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3951 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3952 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3953 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3954 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3955
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3956 static Sint32 Internal_CountAllUsedChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3957 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3958 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3959 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3960
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3961
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3962 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3963 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3964 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3965 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3966 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3967 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3968 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3969 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3970 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3971 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3972
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3973 static Sint32 Internal_CountAllFreeChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3974 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3975 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3976 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3977
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3978
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3979 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3980 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3981 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3982 if( ! ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3983 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3984 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3985 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3986 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3987 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3988 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3989
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3990
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3991 static Sint32 Internal_PlayingChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3992 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3993 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3994 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3995 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3996
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3997 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3998 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
3999 ALmixer_SetError("Invalid channel: %d", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4000 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4001 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4002
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4003 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4004 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4005 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4006 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4007 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4008 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4009 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4010 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4011 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4012 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4013 return 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4014 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4015 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4016 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4017 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4018
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4019 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4020 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4021 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4022 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4023 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4024 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4025 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4026 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4027 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4028 if(AL_PLAYING == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4029 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4030 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4031 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4032 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4033 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4034 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4035 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4036
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4037
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4038 static Sint32 Internal_PlayingSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4039 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4040 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4041 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4042 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4043 return Internal_PlayingChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4044 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4045
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4046 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4047 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4048 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4049 ALmixer_SetError("Cannot query source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4050 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4051 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4052
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4053 return Internal_PlayingChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4054 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4055
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4056
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4057 static Sint32 Internal_PausedChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4058 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4059 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4060 Sint32 counter = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4061 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4062
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4063 if(channel >= Number_of_Channels_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4064 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4065 ALmixer_SetError("Invalid channel: %d", channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4066 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4067 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4068
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4069 if(channel >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4070 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4071 if(ALmixer_Channel_List[channel].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4072 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4073 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4074 ALmixer_Channel_List[channel].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4075 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4076 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4077 if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4078 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4079 return 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4080 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4081 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4082 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4083 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4084
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4085 /* Else, return the number of channels in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4086 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4087 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4088 if(ALmixer_Channel_List[i].channel_in_use)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4089 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4090 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4091 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4092 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4093 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4094 if(AL_PAUSED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4095 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4096 counter++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4097 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4098 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4099 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4100 return counter;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4101 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4102
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4103
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4104 static Sint32 Internal_PausedSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4105 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4106 Sint32 channel;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4107 if(0 == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4108 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4109 return Internal_PausedChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4110 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4111
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4112 channel = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4113 if(-1 == channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4114 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4115 ALmixer_SetError("Cannot query source: %s", ALmixer_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4116 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4117 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4118
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4119 return Internal_PausedChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4120 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4121
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4122
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4123
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4124
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4125
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4126
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4127 /* Private function for Updating ALmixer.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4128 * This is a very big and ugly function.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4129 * It should return the number of buffers that were
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4130 * queued during the call. The value might be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4131 * used to guage how long you might wait to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4132 * call the next update loop in case you are worried
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4133 * about preserving CPU cycles. The idea is that
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4134 * when a buffer is queued, there was probably some
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4135 * CPU intensive looping which took awhile.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4136 * It's mainly provided as a convenience.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4137 * Timing the call with SDL_GetTicks() would produce
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4138 * more accurate information.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4139 * Returns a negative value if there was an error,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4140 * the value being the number of errors.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4141 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4142 static Sint32 Update_ALmixer(void* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4143 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4144 Sint32 retval = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4145 Sint32 error_flag = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4146 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4147 ALint state;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4148 Sint32 i=0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4149
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4150 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4151 if(0 == ALmixer_Initialized)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4152 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4153 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4154 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4155 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4156
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4157 /* Check the quick flag to see if anything needs updating */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4158 /* If anything is playing, then we have to do work */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4159 if( 0 == Is_Playing_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4160 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4161 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4162 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4163 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4164 /* Clear error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4165 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4166 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4167 fprintf(stderr, "08Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4168 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4169 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4170 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4171
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4172 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4173 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4174 if( ALmixer_Channel_List[i].channel_in_use )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4175 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4176
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4177 /* For simplicity, before we do anything else,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4178 * we can check the timeout and fading values
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4179 * and do the appropriate things
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4180 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4181 Uint32 current_time = SDL_GetTicks();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4182
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4183 /* Check to see if we need to halt due to Timed play */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4184 if(ALmixer_Channel_List[i].expire_ticks != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4185 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4186 Uint32 target_time = (Uint32)ALmixer_Channel_List[i].expire_ticks
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4187 + ALmixer_Channel_List[i].start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4188 alGetSourcei(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4189 AL_SOURCE_STATE, &state);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4190 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4191 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4192 fprintf(stderr, "06Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4193 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4194 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4195
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4196 /* Check the time, and also make sure that it is not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4197 * paused (if paused, we don't want to make the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4198 * evaluation because when resumed, we will adjust
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4199 * the times to compensate for the pause).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4200 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4201 if( (current_time >= target_time)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4202 && (state != AL_PAUSED) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4203 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4204 /* Stop the playback */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4205 ALmixer_HaltChannel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4206 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4207 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4208 fprintf(stderr, "07Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4209 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4210 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4211
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4212 /* Everything should be done so go on to the next loop */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4213 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4214 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4215 } /* End if time expired check */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4216
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4217 /* Check to see if we need to adjust the volume for fading */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4218 if( ALmixer_Channel_List[i].fade_enabled )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4219 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4220 Uint32 target_time = ALmixer_Channel_List[i].fade_expire_ticks
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4221 + ALmixer_Channel_List[i].fade_start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4222 alGetSourcei(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4223 AL_SOURCE_STATE, &state);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4224 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4225 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4226 fprintf(stderr, "05Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4227 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4228 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4229
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4230 /* Check the time, and also make sure that it is not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4231 * paused (if paused, we don't want to make the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4232 * evaluation because when resumed, we will adjust
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4233 * the times to compensate for the pause).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4234 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4235 if(state != AL_PAUSED)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4236 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4237 ALfloat t;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4238 Uint32 delta_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4239 ALfloat current_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4240 if(current_time >= target_time)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4241 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4242 /* Need to constrain value to the end time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4243 * (can't go pass the value for calculations)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4244 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4245 current_time = target_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4246 /* We can disable the fade flag now */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4247 ALmixer_Channel_List[i].fade_enabled = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4248 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4249 /* Use the linear interpolation formula:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4250 * X = (1-t)x0 + tx1
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4251 * where x0 would be the start value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4252 * and x1 is the final value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4253 * and t is delta_time*inv_time (adjusts 0 <= time <= 1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4254 * delta_time = current_time-start_time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4255 * inv_time = 1/ (end_time-start_time)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4256 * so t = current_time-start_time / (end_time-start_time)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4257 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4258 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4259 delta_time = current_time - ALmixer_Channel_List[i].fade_start_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4260 t = (ALfloat) delta_time * ALmixer_Channel_List[i].fade_inv_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4261
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4262 current_volume = (1.0f-t) * ALmixer_Channel_List[i].fade_start_volume
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4263 + t * ALmixer_Channel_List[i].fade_end_volume;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4264
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4265 /* Set the volume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4266 alSourcef(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4267 AL_MAX_GAIN, current_volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4268 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4269 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4270 fprintf(stderr, "04Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4271 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4272 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4273
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4274 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4275 fprintf(stderr, "Current time =%d\n", current_time);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4276 fprintf(stderr, "Current vol=%f on channel %d\n", current_volume, i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4277 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4278 } /* End if not PAUSED */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4279 } /* End if fade_enabled */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4280
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4281
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4282 /* Okay, now that the time expired and fading stuff
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4283 * is done, do the rest of the hard stuff
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4284 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4285
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4286
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4287 /* For predecoded, check to see if done */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4288 if( ALmixer_Channel_List[i].almixer_data->decoded_all )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4289 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4290
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4291 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4292 /********* Remove this **********/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4293 ALint buffers_processed;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4294 ALint buffers_still_queued;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4295 fprintf(stderr, "For Predecoded\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4296
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4297 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4298 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4299 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4300 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4301 switch(state) {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4302 case AL_PLAYING:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4303 fprintf(stderr, "Channel '%d' is PLAYING\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4304 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4305 case AL_PAUSED:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4306 fprintf(stderr, "Channel '%d' is PAUSED\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4307 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4308 case AL_STOPPED:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4309 fprintf(stderr, "Channel '%d' is STOPPED\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4310 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4311 case AL_INITIAL:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4312 fprintf(stderr, "Channel '%d' is INITIAL\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4313 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4314 default:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4315 fprintf(stderr, "Channel '%d' is UNKNOWN\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4316 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4317 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4318
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4319 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4320 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4321 AL_BUFFERS_PROCESSED, &buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4322 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4323 fprintf(stderr, "Buffers processed = %d\n", buffers_processed);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4324
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4325 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4326 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4327 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4328 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4329
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4330 /******** END REMOVE *******/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4331 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4332 /* FIXME: Ugh! Somewhere an alError is being thrown ("Invalid Enum Value"), but I can't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4333 * find it. It only seems to be thrown for OS X. I placed error messages after every al*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4334 * command I could find in the above loops, but the error doesn't seem to show
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4335 * up until around here. I mistook it for a get queued buffers
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4336 * error in OS X. I don't think there's an error down there.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4337 * For now, I'm clearing the error here.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4338 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4339
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4340 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4341 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4342 fprintf(stderr, "03Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4343 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4344 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4345
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4346
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4347 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4348 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4349 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4350 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4351 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4352 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4353 fprintf(stderr, "02Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4354 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4355 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4356
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4357
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4358 if(AL_STOPPED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4359 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4360 /* Playback has ended.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4361 * Loop if necessary, or launch callback
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4362 * and clear channel (or clear channel and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4363 * then launch callback?)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4364 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4365
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4366
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4367 /* Need to check for loops */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4368 if(ALmixer_Channel_List[i].loops != 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4369 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4370 /* Corner Case: If the buffer has
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4371 * been modified using Seek,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4372 * the loop will start at the seek
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4373 * position.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4374 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4375 if(ALmixer_Channel_List[i].loops != -1)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4376 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4377 ALmixer_Channel_List[i].loops--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4378 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4379 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4380 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4381 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4382 fprintf(stderr, "50Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4383 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4384 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4385 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4386 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4387 /* No loops. End play. */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4388 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4389 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4390 /* Problem: It seems that when mixing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4391 * streamed and predecoded sources,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4392 * the previous instance lingers,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4393 * so we need to force remove
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4394 * the data from the source.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4395 * The sharing problem
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4396 * occurs when a previous predecoded buffer is played on
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4397 * a source, and then a streamed source is played later
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4398 * on that same source. OpenAL isn't consistently
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4399 * removing the previous buffer so both get played.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4400 * (Different dists seem to have different quirks.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4401 * The problem might lead to crashes in the worst case.)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4402 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4403 /* Additional problem: There is another
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4404 * inconsistency among OpenAL distributions.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4405 * Both Loki and Creative Windows seem to keep
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4406 * the buffer queued which requires removing.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4407 * But the Creative Macintosh version does
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4408 * not have any buffer queued after play
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4409 * and it returns the error: Invalid Enum Value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4410 * if I try to unqueue it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4411 * So I'm going to put in a check to see if I
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4412 * can detect any buffers queued first
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4413 * and then unqueue them if I can see them.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4414 * Additional note: The new CoreAudio based
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4415 * implementation leaves it's buffer queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4416 * like Loki and Creative Windows. But
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4417 * considering all the problems I'm having
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4418 * with the different distributions, this
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4419 * check seems reasonable.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4420 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4421 ALint buffers_still_queued;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4422 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4423 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4424 fprintf(stderr, "01Testing errpr before unqueue because getting stuff, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4425 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4426 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4427
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4428 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4429 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4430 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4431 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4432 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4433 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4434 fprintf(stderr, "Error with unqueue, for OS X this is expected: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4435 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4436 ALmixer_SetError("Failed detecting unqueued predecoded buffer (expected with OS X): %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4437 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4438 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4439 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4440 if(buffers_still_queued > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4441 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4442 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4443 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4444 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4445
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4446 /* Rather than force unqueuing the buffer, let's see if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4447 * setting the buffer to none works (the OpenAL 1.0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4448 * Reference Annotation suggests this should work).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4449 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4450 alSourcei(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4451 AL_BUFFER, AL_NONE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4452 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4453 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4454 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4455 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4456 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4457 fprintf(stderr, "Error with unqueue, after alSourceUnqueueBuffers, buffers_still_queued=%d, error is: %s", buffers_still_queued,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4458 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4459 ALmixer_SetError("Predecoded Unqueue buffer failed: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4460 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4461 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4462 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4463
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4464 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4465
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4466 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4467 /* Subtract counter */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4468 Is_Playing_global--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4469
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4470 /* Launch callback */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4471 Invoke_Channel_Done_Callback(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4472
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4473 /* We're done for this loop.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4474 * Go to next channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4475 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4476 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4477 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4478 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4479 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4480 } /* End if decoded_all */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4481 /* For streamed */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4482 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4483 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4484 ALint buffers_processed;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4485 ALint buffers_still_queued;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4486 ALint current_buffer_id;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4487
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4488 ALuint unqueued_buffer_id;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4489 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4490 /********* Remove this **********/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4491 fprintf(stderr, "For Streamed\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4492
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4493 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4494 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4495 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4496 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4497 switch(state) {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4498 case AL_PLAYING:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4499 fprintf(stderr, "Channel '%d' is PLAYING\n", i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4500 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4501 case AL_PAUSED:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4502 fprintf(stderr, "Channel '%d' is PAUSED\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4503 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4504 case AL_STOPPED:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4505 fprintf(stderr, "Channel '%d' is STOPPED\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4506 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4507 case AL_INITIAL:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4508 fprintf(stderr, "Channel '%d' is INITIAL\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4509 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4510 default:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4511 fprintf(stderr, "Channel '%d' is UNKNOWN\n",i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4512 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4513 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4514 /******** END REMOVE *******/
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4515 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4516 /* Get the number of buffers still queued */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4517 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4518 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4519 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4520 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4521 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4522 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4523 fprintf(stderr, "51Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4524 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4525 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4526 /* Get the number of buffers processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4527 * so we know if we need to refill
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4528 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4529 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4530 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4531 AL_BUFFERS_PROCESSED, &buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4532 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4533 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4534 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4535 fprintf(stderr, "52Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4536 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4537 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4538
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4539 /* WTF!!! The Nvidia distribution is failing on the alGetSourcei(source, AL_BUFFER, buf_id) call.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4540 * I need this call to figure out which buffer OpenAL is currently playing.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4541 * It keeps returning an "Invalid Enum" error.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4542 * This is totally inane! It's a basic query.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4543 * By the spec, this functionality is not explicitly defined so Nvidia refuses to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4544 * fix this behavior, even though all other distributions work fine with this.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4545 * The only workaround for this is for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4546 * a significant rewrite of my code which requires me to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4547 * duplicate the OpenAL queued buffers state with my own
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4548 * code and try to derive what the current playing buffer is by indirect observation of
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4549 * looking at buffers_processed. But of course this has a ton of downsides since my
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4550 * queries do not give me perfect timing of what OpenAL is actually doing and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4551 * the fact that some of the distributions seem to have buffer queuing problems
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4552 * with their query results (CoreAudio). This also means a ton of extra code
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4553 * on my side. The lack of support of a 1 line call has required me to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4554 * implement yet another entire state machine. <sigh>
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4555 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4556 #if 0 /* This code will not work until possibly OpenAL 1.1 because of Nvidia */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4557 /* Get the id to the current buffer playing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4558 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4559 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4560 AL_BUFFER, &current_buffer_id
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4561 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4562 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4563 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4564 fprintf(stderr, "53Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4565 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4566 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4567
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4568 /* Before the hard stuff, check to see if the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4569 * current queued AL buffer has changed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4570 * If it has, we should launch a data callback if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4571 * necessary
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4572 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4573 if( ((ALuint)current_buffer_id) !=
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4574 ALmixer_Channel_List[i].almixer_data->current_buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4575 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4576 ALmixer_Channel_List[i].almixer_data->current_buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4577 = (ALuint)current_buffer_id;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4578
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4579 Invoke_Streamed_Channel_Data_Callback(i, ALmixer_Channel_List[i].almixer_data, current_buffer_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4580 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4581 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4582 /* Only do this if "access_data" was requested (i.e. the circular_buffer!=NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4583 * And if one of the two are true:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4584 * Either buffers_processed > 0 (because the current_buffer might have changed)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4585 * or if the current_buffer==0 (because we are in an initial state or recovering from
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4586 * a buffer underrun)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4587 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4588 if((ALmixer_Channel_List[i].almixer_data->circular_buffer_queue != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4589 && (
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4590 (buffers_processed > 0) || (0 == ALmixer_Channel_List[i].almixer_data->current_buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4591 )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4592 )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4593 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4594 Uint32 k;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4595 Uint32 queue_ret_flag;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4596 Uint8 is_out_of_sync = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4597 Uint32 my_queue_size = CircularQueueUnsignedInt_Size(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4598 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4599 fprintf(stderr, "Queue in processed check, before pop, buffers_processed=%d\n", buffers_processed);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4600 CircularQueueUnsignedInt_Print(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4601 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4602 /* We can't make any determinations solely based on the number of buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4603 * because currently, we only unqueue 1 buffer per loop. That means if 2 or more
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4604 * buffers became processed in one loop, the following loop, we would have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4605 * at least that_many-1 buffers_processed (plus possible new processed).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4606 * If we tried to just remove 1 buffer from our queue, we would be incorrect
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4607 * because we would not actually reflect the current playing buffer.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4608 * So the solution seems to be to make sure our queue is the same size
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4609 * as the number of buffers_queued-buffers_processed, and return the head of our queue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4610 * as the current playing buffer.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4611 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4612 /* Also, we have a corner case. When we first start playing or if we have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4613 * a buffer underrun, we have not done a data callback.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4614 * In this case, we need to see if there is any new data in our queue
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4615 * and if so, launch that data callback.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4616 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4617 /* Warning, this code risks the possibility of no data callback being fired if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4618 * the system is really late (or skipped buffers).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4619 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4620
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4621 /* First, let's syncronize our queue with the OpenAL queue */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4622 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4623 fprintf(stderr, "inside, Buffers processed=%d, Buffers queued=%d, my queue=%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4624 buffers_processed, buffers_still_queued, my_queue_size);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4625 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4626 if(my_queue_size > (buffers_still_queued - buffers_processed))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4627 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4628 is_out_of_sync = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4629 for(k=0; k<(my_queue_size - (buffers_still_queued - buffers_processed)); k++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4630 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4631 queue_ret_flag = CircularQueueUnsignedInt_PopFront(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4632 ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4633 if(0 == queue_ret_flag)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4634 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4635 fprintf(stderr, "53 Error popping queue\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4636 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4637 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4638 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4639 my_queue_size = CircularQueueUnsignedInt_Size(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4640 /* We have several possibilities we need to handle:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4641 * 1) We are in an initial state or underrun and need to do a data callback on the head.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4642 * 2) We were out of sync and need to do a new data callback on the new head.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4643 * 3) We were not out of sync but just had left over processed buffers which caused us to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4644 * fall in this block of code. (Don't do anything.)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4645 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4646 if( (0 == ALmixer_Channel_List[i].almixer_data->current_buffer) || (1 == is_out_of_sync) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4647 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4648 if(my_queue_size > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4649 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4650 current_buffer_id = CircularQueueUnsignedInt_Front(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4651 ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4652 if(0 == current_buffer_id)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4653 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4654 fprintf(stderr, "53a Internal Error, current_buffer_id=0 when it shouldn't be 0\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4655 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4656 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4657 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4658 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4659 fprintf(stderr, "Queue in processed check, after pop\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4660 CircularQueueUnsignedInt_Print(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4661 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4662 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4663 ALmixer_Channel_List[i].almixer_data->current_buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4664 = (ALuint)current_buffer_id;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4665
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4666 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4667 /* Remove me...only for checking...doesn't work on Nvidia */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4668 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4669 ALuint real_id;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4670 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4671 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4672 AL_BUFFER, &real_id
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4673 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4674 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4675 fprintf(stderr, "Callback fired on data buffer=%d, real_id shoud be=%d\n", current_buffer_id, real_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4676 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4677 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4678 Invoke_Streamed_Channel_Data_Callback(i, ALmixer_Channel_List[i].almixer_data, current_buffer_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4679 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4680 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4681 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4682 fprintf(stderr, "53b, Notice/Warning:, OpenAL queue has been depleted.\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4683 /* In this case, we might either be in an underrun or finished with playback */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4684 ALmixer_Channel_List[i].almixer_data->current_buffer = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4685 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4686 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4687 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4688 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4689
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4690
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4691
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4692 /* Just a test - remove
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4693 if( ALmixer_Channel_List[i].loops > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4694 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4695 fprintf(stderr, ">>>>>>>>>>>>>>>Loops = %d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4696 ALmixer_Channel_List[i].loops);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4697 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4698 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4699 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4700 fprintf(stderr, "Buffers processed = %d\n", buffers_processed);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4701 fprintf(stderr, "Buffers queued= %d\n", buffers_still_queued);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4702 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4703 /* We've used up a buffer so we need to unqueue and replace */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4704 /* Okay, it gets more complicated here:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4705 * We need to Queue more data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4706 * if buffers_processed > 0 or
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4707 * if num_of_buffers_in_use < NUMBER_OF_QUEUE_BUFFERS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4708 * but we don't do this if at EOF,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4709 * except when there is looping
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4710 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4711 /* For this to work, we must rely on EVERYTHING
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4712 * else to unset the EOF if there is looping.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4713 * Remember, even Play() must do this
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4714 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4715
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4716 /* If not EOF, then we are still playing.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4717 * Inside, we might find num_of_buffers < NUM...QUEUE_BUF..
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4718 * or buffers_process > 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4719 * in which case we queue up.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4720 * We also might find no buffers we need to fill,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4721 * in which case we just keep going
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4722 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4723 if( ! ALmixer_Channel_List[i].almixer_data->eof)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4724 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4725 Uint32 bytes_returned;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4726 /* We have a priority. We first must assign
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4727 * unused buffers in reserve. If there is nothing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4728 * left, then we may unqueue buffers. We can't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4729 * do it the other way around because we will
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4730 * lose the pointer to the unqueued buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4731 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4732 if(ALmixer_Channel_List[i].almixer_data->num_buffers_in_use
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4733 < ALmixer_Channel_List[i].almixer_data->max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4734 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4735 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4736 fprintf(stderr, "Getting more data in NOT_EOF and num_buffers_in_use (%d) < max_queue (%d)\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4737 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4738 ALmixer_Channel_List[i].almixer_data->max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4739 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4740 /* Going to add an unused packet.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4741 * Grab next packet */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4742 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4743 ALmixer_Channel_List[i].almixer_data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4744 ALmixer_Channel_List[i].almixer_data->buffer[
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4745 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use]
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4746 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4747 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4748 /* For processed > 0 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4749 else if(buffers_processed > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4750 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4751 /* Unqueue only 1 buffer for now.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4752 * If there are more than one,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4753 * let the next Update pass deal with it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4754 * so we don't stall the program for too long.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4755 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4756 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4757 fprintf(stderr, "About to Unqueue, Buffers processed = %d\n", buffers_processed);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4758 fprintf(stderr, "Buffers queued= %d\n", buffers_still_queued);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4759 fprintf(stderr, "Unqueuing a buffer\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4760 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4761 alSourceUnqueueBuffers(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4762 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4763 1, &unqueued_buffer_id
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4764 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4765 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4766 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4767 fprintf(stderr, "Error with unqueue: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4768 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4769 ALmixer_SetError("Unqueue buffer failed: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4770 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4771 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4772 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4773 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4774 fprintf(stderr, "Right after unqueue...");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4775 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4776 fprintf(stderr, "Getting more data for NOT_EOF, max_buffers filled\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4777 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4778 /* Grab unqueued packet */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4779 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4780 ALmixer_Channel_List[i].almixer_data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4781 unqueued_buffer_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4782 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4783 /* We are still streaming, but currently
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4784 * don't need to fill any buffers */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4785 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4786 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4787 /* Might want to check state */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4788 /* In case the playback stopped,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4789 * we need to resume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4790 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4791 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4792 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4793 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4794 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4795 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4796 fprintf(stderr, "54Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4797 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4798 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4799 if(AL_STOPPED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4800 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4801 /* Resuming in not eof, but nothing to buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4802 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4803 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4804 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4805 fprintf(stderr, "55Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4806 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4807 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4808 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4809 /* Let's escape to the next loop.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4810 * All code below this point is for queuing up
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4811 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4812 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4813 fprintf(stderr, "Entry: Nothing to do...continue\n\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4814 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4815 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4816 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4817 /* We now know we have to fill an available
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4818 * buffer.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4819 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4820
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4821 /* In the previous branch, we just grabbed more data.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4822 * Let's check it to make sure it's okay,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4823 * and then queue it up
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4824 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4825 /* This check doesn't work anymore because it is now Uint32 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4826 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4827 if(-1 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4828 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4829 /* Problem occurred...not sure what to do */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4830 /* Go to next loop? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4831 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4832 /* Set the eof flag to force a quit so
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4833 * we don't get stuck in an infinite loop
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4834 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4835 ALmixer_Channel_List[i].almixer_data->eof = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4836 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4837 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4838 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4839 /* This is a special case where we've run
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4840 * out of data. We should check for loops
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4841 * and get more data. If there is no loop,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4842 * then do nothing and wait for future
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4843 * update passes to handle the EOF.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4844 * The advantage of handling the loop here
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4845 * instead of waiting for play to stop is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4846 * that we should be able to keep the buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4847 * filled.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4848 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4849 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4850 else if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4851 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4852 if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4853 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4854 fprintf(stderr, "We got 0 bytes from reading. Checking for loops\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4855 /* Check for loops */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4856 if( ALmixer_Channel_List[i].loops != 0 )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4857 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4858 /* We have to loop, so rewind
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4859 * and fetch more data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4860 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4861 fprintf(stderr, "Rewinding data\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4862 if(0 == Sound_Rewind(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4863 ALmixer_Channel_List[i].almixer_data->sample))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4864 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4865 fprintf(stderr, "Rewinding failed\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4866 ALmixer_SetError( Sound_GetError() );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4867 ALmixer_Channel_List[i].loops = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4868 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4869 /* We'll continue on because we do have some valid data */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4870 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4871 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4872 /* Remember to reset the data->eof flag */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4873 ALmixer_Channel_List[i].almixer_data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4874 if(ALmixer_Channel_List[i].loops > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4875 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4876 ALmixer_Channel_List[i].loops--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4877 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4878 /* Try grabbing another packet now.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4879 * Since we may have already unqueued a
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4880 * buffer, we don't want to lose it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4881 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4882 if(ALmixer_Channel_List[i].almixer_data->num_buffers_in_use
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4883 < ALmixer_Channel_List[i].almixer_data->max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4884 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4885 fprintf(stderr, "We got %d bytes from reading loop. Filling unused packet\n", bytes_returned);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4886 /* Grab next packet */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4887 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4888 ALmixer_Channel_List[i].almixer_data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4889 ALmixer_Channel_List[i].almixer_data->buffer[
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4890 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use]
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4891 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4892 fprintf(stderr, "We reread %d bytes into unused packet\n", bytes_returned);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4893 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4894 /* Refilling unqueued packet */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4895 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4896 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4897 fprintf(stderr, "We got %d bytes from reading loop. Filling unqueued packet\n", bytes_returned);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4898 /* Grab next packet */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4899 bytes_returned = GetMoreData(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4900 ALmixer_Channel_List[i].almixer_data,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4901 unqueued_buffer_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4902 fprintf(stderr, "We reread %d bytes into unqueued packet\n", bytes_returned);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4903 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4904 /* Another error check */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4905 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4906 if(bytes_returned <= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4907 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4908 if(0 == bytes_returned)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4909 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4910 fprintf(stderr, "??????????ERROR\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4911 ALmixer_SetError("Could not loop because after rewind, no data could be retrieved");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4912 /* Problem occurred...not sure what to do */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4913 /* Go to next loop? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4914 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4915 /* Set the eof flag to force a quit so
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4916 * we don't get stuck in an infinite loop
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4917 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4918 ALmixer_Channel_List[i].almixer_data->eof = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4919 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4920 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4921 /* We made it to the end. We still need
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4922 * to BufferData, so let this branch
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4923 * fall into the next piece of
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4924 * code below which will handle that
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4925 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4926
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4927
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4928 } /* END loop check */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4929 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4930 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4931 /* No more loops to do.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4932 * EOF flag should be set.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4933 * Just go to next loop and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4934 * let things be handled correctly
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4935 * in future update calls
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4936 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4937 fprintf(stderr, "SHOULD BE EOF\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4938
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4939 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4940
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4941 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4942 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4943 } /* END if bytes_returned == 0 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4944 /********* Possible trouble point. I might be queueing empty buffers on the mac.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4945 * This check doesn't say if the buffer is valid. Only the EOF assumption is a clue at this point
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4946 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4947 /* Fall here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4948 /* Everything is normal. We aren't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4949 * at an EOF, but need to simply
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4950 * queue more data. The data is already checked for good,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4951 * so queue it up */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4952 if(ALmixer_Channel_List[i].almixer_data->num_buffers_in_use
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4953 < ALmixer_Channel_List[i].almixer_data->max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4954 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4955 /* Keep count of how many buffers we have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4956 * to queue so we can return the value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4957 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4958 retval++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4959 fprintf(stderr, "NOT_EOF???, about to Queue more data for num_buffers (%d) < max_queue (%d)\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4960 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4961 ALmixer_Channel_List[i].almixer_data->max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4962
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4963 alSourceQueueBuffers(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4964 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4965 1,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4966 &ALmixer_Channel_List[i].almixer_data->buffer[
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4967 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use]
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4968 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4969 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4970 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4971 fprintf(stderr, "56Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4972 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4973 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4974 /* This is part of the hideous Nvidia workaround. In order to figure out
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4975 * which buffer to show during callbacks (for things like
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4976 * o-scopes), I must keep a copy of the buffers that are queued in my own
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4977 * data structure. This code will be called only if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4978 * "access_data" was set, indicated by whether the queue is NULL.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4979 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4980 if(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4981 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4982 Uint32 queue_ret_flag;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4983 queue_ret_flag = CircularQueueUnsignedInt_PushBack(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4984 ALmixer_Channel_List[i].almixer_data->circular_buffer_queue,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4985 ALmixer_Channel_List[i].almixer_data->buffer[ALmixer_Channel_List[i].almixer_data->num_buffers_in_use]
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4986 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4987 if(0 == queue_ret_flag)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4988 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4989 fprintf(stderr, "56aSerious internal error: CircularQueue could not push into queue.\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4990 ALmixer_SetError("Serious internal error: CircularQueue failed to push into queue");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4991 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4992 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4993 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4994 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4995 CircularQueueUnsignedInt_Print(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4996 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4997 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4998 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
4999 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5000 /* for processed > 0 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5001 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5002 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5003 /* Keep count of how many buffers we have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5004 * to queue so we can return the value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5005 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5006 retval++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5007 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5008 fprintf(stderr, "NOT_EOF, about to Queue more data for filled max_queue (%d)\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5009 ALmixer_Channel_List[i].almixer_data->max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5010 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5011 alSourceQueueBuffers(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5012 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5013 1, &unqueued_buffer_id);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5014 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5015 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5016 ALmixer_SetError("Could not QueueBuffer: %s",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5017 aluGetErrorString(error) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5018 error_flag--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5019 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5020 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5021 /* This is part of the hideous Nvidia workaround. In order to figure out
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5022 * which buffer to show during callbacks (for things like
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5023 * o-scopes), I must keep a copy of the buffers that are queued in my own
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5024 * data structure. This code will be called only if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5025 * "access_data" was set, indicated by whether the queue is NULL.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5026 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5027 if(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5028 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5029 Uint32 queue_ret_flag;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5030 queue_ret_flag = CircularQueueUnsignedInt_PushBack(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5031 ALmixer_Channel_List[i].almixer_data->circular_buffer_queue,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5032 unqueued_buffer_id
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5033 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5034 if(0 == queue_ret_flag)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5035 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5036 fprintf(stderr, "56bSerious internal error: CircularQueue could not push into queue.\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5037 ALmixer_SetError("Serious internal error: CircularQueue failed to push into queue");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5038 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5039 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5040 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5041 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5042 CircularQueueUnsignedInt_Print(ALmixer_Channel_List[i].almixer_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5043 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5044 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5045 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5046 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5047 /* If we used an available buffer queue,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5048 * then we need to update the number of them in use
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5049 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5050 if(ALmixer_Channel_List[i].almixer_data->num_buffers_in_use
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5051 < ALmixer_Channel_List[i].almixer_data->max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5052 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5053 /* Increment the number of buffers in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5054 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use++;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5055 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5056 /* Might want to check state */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5057 /* In case the playback stopped,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5058 * we need to resume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5059 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5060 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5061 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5062 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5063 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5064 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5065 fprintf(stderr, "57Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5066 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5067 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5068 if(AL_STOPPED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5069 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5070 fprintf(stderr, "Resuming in not eof\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5071 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5072 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5073 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5074 fprintf(stderr, "58Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5075 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5076 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5077 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5078 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5079 } /* END if( ! eof) */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5080 /* We have hit EOF in the SDL_Sound sample and there
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5081 * are no more loops. However, there may still be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5082 * buffers in the OpenAL queue which still need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5083 * be played out. The following body of code will
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5084 * determine if play is still happening or
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5085 * initiate the stop/cleanup sequenece.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5086 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5087 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5088 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5089 /* Let's continue to remove the used up
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5090 * buffers as they come in. */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5091 if(buffers_processed > 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5092 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5093 Sint32 temp_count;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5094 /* Do as a for-loop because I don't want
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5095 * to have to create an array for the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5096 * unqueued_buffer_id's
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5097 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5098 for(temp_count=0; temp_count<buffers_processed; temp_count++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5099 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5100 fprintf(stderr, "unqueuing remainder, %d\n", temp_count);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5101 alSourceUnqueueBuffers(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5102 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5103 1, &unqueued_buffer_id
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5104 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5105 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5106 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5107 fprintf(stderr, "59Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5108 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5109 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5110 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5111 fprintf(stderr, "done unqueuing remainder for this loop, %d\n", temp_count);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5112
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5113 /* Need to update counts since we removed everything.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5114 * If we don't update the counts here, we end up in the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5115 * "Shouldn't be here section, but maybe it's okay due to race conditions"
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5116 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5117 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5118 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5119 AL_BUFFERS_QUEUED, &buffers_still_queued
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5120 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5121 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5122 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5123 fprintf(stderr, "5100Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5124 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5125 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5126 /* Get the number of buffers processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5127 * so we know if we need to refill
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5128 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5129 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5130 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5131 AL_BUFFERS_PROCESSED, &buffers_processed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5132 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5133 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5134 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5135 fprintf(stderr, "5200Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5136 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5137 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5138 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5139
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5140
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5141 /* Else if buffers_processed == 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5142 * and buffers_still_queued == 0.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5143 * then we check to see if the source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5144 * is still playing. Quit if stopped
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5145 * We shouldn't need to worry about
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5146 * looping because that should have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5147 * been handled above.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5148 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5149 if(0 == buffers_still_queued)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5150 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5151 /* Make sure playback has stopped before
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5152 * we shutdown.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5153 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5154 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5155 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5156 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5157 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5158 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5159 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5160 fprintf(stderr, "60Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5161 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5162 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5163 if(AL_STOPPED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5164 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5165 ALmixer_Channel_List[i].almixer_data->num_buffers_in_use = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5166 /* Playback has ended.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5167 * Loop if necessary, or launch callback
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5168 * and clear channel (or clear channel and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5169 * then launch callback?)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5170 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5171 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5172 /* Subtract counter */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5173 Is_Playing_global--;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5174
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5175 /* Launch callback */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5176 Invoke_Channel_Done_Callback(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5177
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5178 /* We're done for this loop.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5179 * Go to next channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5180 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5181 continue;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5182 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5183 } /* End end-playback */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5184 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5185 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5186 /* Need to run out buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5187 #if 1
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5188 /* Might want to check state */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5189 /* In case the playback stopped,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5190 * we need to resume */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5191 alGetSourcei(
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5192 ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5193 AL_SOURCE_STATE, &state
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5194 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5195 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5196 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5197 fprintf(stderr, "61Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5198 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5199 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5200 if(AL_STOPPED == state)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5201 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5202 fprintf(stderr, "Shouldn't be here. %d Buffers still in queue, but play stopped. This might be correct though because race conditions could have caused the STOP to happen right after our other tests...Checking queue status...\n", buffers_still_queued);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5203
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5204 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5205
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5206 /* Rather than force unqueuing the buffer, let's see if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5207 * setting the buffer to none works (the OpenAL 1.0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5208 * Reference Annotation suggests this should work).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5209 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5210 alSourcei(ALmixer_Channel_List[i].alsource,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5211 AL_BUFFER, AL_NONE);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5212 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5213 PrintQueueStatus(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5214 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5215 /* This doesn't work because in some cases, I think
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5216 * it causes the sound to be replayed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5217 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5218 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5219 fprintf(stderr, "Resuming in eof (trying to run out buffers\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5220 alSourcePlay(ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5221 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5222 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5223 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5224 } /* End trap section */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5225 } /* End POST-EOF use-up buffer section */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5226 } /* END Streamed section */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5227 } /* END channel in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5228 } /* END for-loop for each channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5229
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5230 #ifdef ENABLE_ALMIXER_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5231 alcProcessContext(alcGetCurrentContext());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5232 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5233 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5234 fprintf(stderr, "62Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5235 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5236 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5237 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5238
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5239 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5240 /* Return the number of errors */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5241 if(error_flag < 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5242 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5243 return error_flag;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5244 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5245 /* Return the number of buffers that were queued */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5246 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5247 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5248
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5249 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5250 /* This is only here so we can call SDL_OpenAudio() */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5251 static void my_dummy_audio_callback(void* userdata, Uint8* stream, int len)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5252 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5253 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5254 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5255
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5256
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5257
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5258
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5259 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5260 /* We might need threads. We
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5261 * must constantly poll OpenAL to find out
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5262 * if sound is being streamed, if play has
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5263 * ended, etc. Without threads, this must
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5264 * be explicitly done by the user.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5265 * We could try to do it for them if we
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5266 * finish the threads.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5267 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5268
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5269 static int Stream_Data_Thread_Callback(void* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5270 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5271 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5272
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5273 while(ALmixer_Initialized)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5274 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5275 retval = Update_ALmixer(data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5276 /* 0 means that nothing needed updating and
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5277 * the function returned quickly
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5278 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5279 if(0 == retval)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5280 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5281 /* Let's be nice and make the thread sleep since
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5282 * little work was done in update
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5283 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5284 /* Make sure times are multiples of 10
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5285 * for optimal performance and accuracy in Linux
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5286 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5287 SDL_Delay(10);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5288 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5289 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5290 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5291 /* should I also be sleeping/yielding here? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5292 SDL_Delay(0);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5293 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5294 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5295 fprintf(stderr, "Thread is closing\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5296 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5297 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5298 #endif /* End of ENABLE_ALMIXER_THREADS */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5299
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5300
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5301 /* Using -1 on error and 0 on success to follow SDL/SDL_mixer conventions,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5302 * though I actually prefer 0/1 conventions (SDL_Sound/OpenAL/GL).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5303 * Warning: SDL_QuitSubSystem(SDL_INIT_AUDIO) is called which
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5304 * means the SDL audio system will be disabled. It will not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5305 * be restored (in case SDL is not actually being used) so
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5306 * the user will need to restart it if they need it after
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5307 * OpenAL shuts down.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5308 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5309 Sint32 ALmixer_Init(Uint32 frequency, Sint32 num_sources, Uint32 refresh)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5310 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5311 ALCdevice* dev;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5312 ALCcontext* context;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5313 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5314 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5315 ALuint* source;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5316
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5317 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5318 /* The Loki dist requires that I set both the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5319 * device and context frequency values separately
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5320 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5321 /* Hope this won't overflow */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5322 char device_string[256];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5323 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5324
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5325 /* (Venting frustration) Damn it! Nobody bothered
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5326 * documenting how you're supposed to use an attribute
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5327 * list. In fact, the not even the Loki test program
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5328 * writers seem to know because they use it inconsistently.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5329 * For example, how do you terminate that attribute list?
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5330 * The Loki test code does it 3 different ways. They
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5331 * set the last value to 0, or they set it to ALC_INVALID,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5332 * or they set two final values: ALC_INVALID, 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5333 * In Loki, 0 and ALC_INVALID happen to be the same,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5334 * but with Creative Labs ALC_INVALID is -1.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5335 * So something's going to break. Loki's source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5336 * code says to terminate with ALC_INVALID. But I
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5337 * don't know if that's really true, or it happens
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5338 * to be a coinicidence because it's defined to 0.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5339 * Creative provides no source code, so I can't look at how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5340 * they terminate it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5341 * So this is really, really ticking me off...
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5342 * For now, I'm going to use ALC_INVALID.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5343 * (Update...after further review of the API spec,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5344 * it seems that a NULL terminated string is the correct
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5345 * termination value to use, so 0 it is.)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5346 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5347 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5348 ALint attrlist[] = {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5349 ALC_FREQUENCY, ALMIXER_DEFAULT_FREQUENCY,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5350 /* Don't know anything about these values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5351 * Trust defaults? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5352 /* Supposed to be the refresh rate in Hz.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5353 * I think 15-120 are supposed to be good
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5354 * values. Though I haven't gotten any effect except
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5355 * for one strange instance on a Mac. But it was
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5356 * unrepeatable.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5357 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5358 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5359 ALC_REFRESH, 15,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5360 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5361 /* Sync requires a alcProcessContext() call
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5362 * for every cycle. By default, this is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5363 * not used and the value is AL_FALSE
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5364 * because it will probably perform
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5365 * pretty badly for me.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5366 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5367 #ifdef ENABLE_ALMIXER_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5368 ALC_SYNC, AL_TRUE,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5369 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5370 ALC_SYNC, AL_FALSE,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5371 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5372 /* Looking at the API spec, it implies
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5373 * that the list be a NULL terminated string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5374 * so it's probably not safe to use ALC_INVALID
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5375 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5376 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5377 ALC_INVALID };
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5378 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5379 '\0'};
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5380 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5381 /* Redo: I'm going to allow ALC_REFRESH to be set.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5382 * However, if no value is specified, I don't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5383 * want it in the list so I can get the OpenAL defaults
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5384 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5385 ALint attrlist[7];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5386
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5387 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5388 /* More problems: I'm getting bit by endian/signedness issues on
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5389 * different platforms. I can find the endianess easily enough,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5390 * but I don't know how to determine what the correct signedness
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5391 * is (if such a thing exists). I do know that if I try using
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5392 * unsigned on OSX with an originally signed sample, I get
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5393 * distortion. However, I don't have any native unsigned samples
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5394 * to test. But I'm assuming that the platform must be in the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5395 * correct signedness no matter what.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5396 * I can either assume everybody is signed, or I can try to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5397 * determine the value. If I try to determine the values,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5398 * I think my only ability to figure it out will be to open
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5399 * SDL_Audio, and read what the obtained settings were.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5400 * Then shutdown everything. However, I don't even know how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5401 * reliable this is.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5402 * Update: I think I resolved the issues...forgot to update
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5403 * these comments when it happened. I should check the revision control
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5404 * log... Anyway, I think the issue was partly related to me not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5405 * doing something correctly with the AudioInfo or some kind
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5406 * of stupid endian bug in my code, and weirdness ensued. Looking at the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5407 * revision control, I think I might have assumed that SDL_Sound would
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5408 * do the right thing with a NULL AudioInfo, but I was incorrect,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5409 * and had to fill one out myself.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5410 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5411 SDL_AudioSpec desired;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5412 SDL_AudioSpec obtained;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5413 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5414
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5415
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5416
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5417
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5418 /* Make sure ALmixer isn't already initialized */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5419 if(ALmixer_Initialized)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5420 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5421 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5422 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5423 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5424 fprintf(stderr, "Found Loki dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5425 #elif defined(USING_CREATIVE_AL_DIST)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5426 fprintf(stderr, "Found Creative dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5427
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5428 #elif defined(USING_NVIDIA_AL_DIST)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5429 fprintf(stderr, "Found Nvidia dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5430 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5431
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5432 /* Set the defaults */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5433 attrlist[0] = ALC_FREQUENCY;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5434 attrlist[1] = ALMIXER_DEFAULT_FREQUENCY;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5435 attrlist[2] = ALC_SYNC;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5436 #ifdef ENABLE_ALMIXER_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5437 attrlist[3] = ALC_TRUE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5438 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5439 attrlist[3] = ALC_FALSE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5440 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5441
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5442 /* Set frequency value if it is not 0 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5443 if(0 != frequency)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5444 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5445 attrlist[1] = (ALint)frequency;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5446 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5447
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5448 /* If the user specifies a refresh value,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5449 * make room for it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5450 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5451 if(0 != refresh)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5452 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5453 attrlist[4] = (ALint)ALC_REFRESH;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5454 attrlist[5] = refresh;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5455 attrlist[6] = '\0';
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5456 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5457 /* Terminate the list without any refresh values */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5458 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5459 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5460 attrlist[4] = '\0';
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5461 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5462
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5463 /* It looks like OpenAL won't let us ask it what
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5464 * the set frequency is, so we need to save our
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5465 * own copy. Yuck.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5466 * Update: J. Valenzuela just updated the Loki
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5467 * dist (2003/01/02) to handle this.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5468 * The demo is in testattrib.c. However, this
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5469 * looks kind of cumbersome to parse, and I've
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5470 * already put this in my code, so I guess I'll
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5471 * leave it for now.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5472 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5473 ALmixer_Frequency_global = attrlist[1];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5474
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5475 /* Initialize SDL_Sound */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5476 if(! Sound_Init() )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5477 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5478 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5479 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5480 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5481 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5482 /* Here is the paranoid check that opens
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5483 * SDL audio in an attempt to find the correct
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5484 * system values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5485 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5486 /* Doesn't have to be the actual value I think
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5487 * (as long as it doesn't influence format, in
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5488 * which case I'm probably screwed anyway because OpenAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5489 * may easily choose to do something else).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5490 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5491 desired.freq = 44100;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5492 desired.channels = 2;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5493 desired.format = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5494 desired.callback = my_dummy_audio_callback;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5495 if(SDL_OpenAudio(&desired, &obtained) >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5496 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5497 SIGN_TYPE_16BIT_FORMAT = obtained.format;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5498 /* Now to get really paranoid, we should probably
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5499 * also assume that the 8bit format is also the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5500 * same sign type and set that value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5501 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5502 if(AUDIO_S16SYS == obtained.format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5503 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5504 SIGN_TYPE_8BIT_FORMAT = AUDIO_S8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5505 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5506 /* Should be AUDIO_U16SYS */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5507 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5508 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5509 SIGN_TYPE_8BIT_FORMAT = AUDIO_U8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5510 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5511 SDL_CloseAudio();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5512 fprintf(stderr, "Obtained format = %d", obtained.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5513 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5514 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5515 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5516 /* Well, I guess I'm in trouble. I guess it's my best guess
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5517 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5518 SIGN_TYPE_16_BIT_FORMAT = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5519 SIGN_TYPE_8_BIT_FORMAT = AUDIO_S8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5520 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5521 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5522 /* Weirdness: It seems that SDL_Init(SDL_INIT_AUDIO)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5523 * causes OpenAL and SMPEG to conflict. For some reason
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5524 * if SDL_Init on audio is active, then all the SMPEG
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5525 * decoded sound comes out silent. Unfortunately,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5526 * Sound_Init() invokes SDL_Init on audio. I'm
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5527 * not sure why it actually needs it...
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5528 * But we'll attempt to disable it here after the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5529 * SDL_Sound::Init call and hope it doesn't break SDL_Sound.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5530 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5531 SDL_QuitSubSystem(SDL_INIT_AUDIO);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5532
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5533 /* I'm told NULL will call the default string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5534 * and hopefully do the right thing for each platform
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5535 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5536 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5537 dev = alcOpenDevice( NULL );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5538 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5539 /* Now I'm told I need to set both the device and context
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5540 * to have the same sampling rate, so I must pass a string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5541 * to OpenDevice(). I don't know how portable these strings are.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5542 * I don't even know if the format for strings is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5543 * compatible
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5544 * From the testattrib.c in the Loki test section
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5545 * dev = alcOpenDevice( (const ALubyte *) "'((sampling-rate 22050))" );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5546 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5547
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5548 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5549 sprintf(device_string, "'((sampling-rate %d))", attrlist[1]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5550 dev = alcOpenDevice( (const ALubyte *) device_string );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5551 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5552 dev = alcOpenDevice( NULL );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5553 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5554 fprintf(stderr,"sampling-rate is %d\n", attrlist[1]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5555 if(NULL == dev)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5556 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5557 ALmixer_SetError("Cannot open sound device for OpenAL");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5558 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5559 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5560
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5561 context = alcCreateContext(dev, attrlist);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5562 if(NULL == context)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5563 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5564 ALmixer_SetError("Cannot create a context OpenAL");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5565 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5566 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5567 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5568 fprintf(stderr, "Context checking...\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5569
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5570
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5571 /* Hmmm, OSX is returning 1 on alcMakeContextCurrent,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5572 * but ALC_NO_ERROR is defined to ALC_FALSE.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5573 * According to Garin Hiebert, this is actually an inconsistency
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5574 * in the Loki version. The function should return a boolean.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5575 * instead of ALC_NO_ERROR. Garin suggested I check via
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5576 * alcGetError().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5577 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5578 /* clear the error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5579 alcGetError(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5580 alcMakeContextCurrent(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5581
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5582 error = alcGetError(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5583 if( (ALC_NO_ERROR != error) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5584 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5585 ALmixer_SetError("Could not MakeContextCurrent");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5586 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5587 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5588 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5589 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5590
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5591
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5592 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5593 /* OSX is failing on alcMakeContextCurrent(). Try checking it first? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5594 if(alcGetCurrentContext() != context)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5595 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5596 /* Hmmm, OSX is returning 1 on alcMakeContextCurrent,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5597 * but ALC_NO_ERROR is defined to ALC_FALSE.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5598 * I think this is a bug in the OpenAL implementation.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5599 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5600 fprintf(stderr,"alcMakeContextCurrent returns %d\n", alcMakeContextCurrent(context));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5601
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5602 fprintf(stderr, "Making context current\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5603 #ifndef __APPLE__
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5604 if(alcMakeContextCurrent(context) != ALC_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5605 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5606 if(!alcMakeContextCurrent(context))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5607 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5608 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5609 ALmixer_SetError("Could not MakeContextCurrent");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5610 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5611 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5612 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5613 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5614 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5615 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5616
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5617
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5618 /* #endif */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5619 fprintf(stderr, "done Context\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5620 /* Saw this in the README with the OS X OpenAL distribution.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5621 * It looked interesting and simple, so I thought I might
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5622 * try it out.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5623 * ***** ALC_CONVERT_DATA_UPON_LOADING
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5624 * This extension allows the caller to tell OpenAL to preconvert to the native Core
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5625 * Audio format, the audio data passed to the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5626 * library with the alBufferData() call. Preconverting the audio data, reduces CPU
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5627 * usage by removing an audio data conversion
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5628 * (per source) at render timem at the expense of a larger memory footprint.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5629 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5630 * This feature is toggled on/off by using the alDisable() & alEnable() APIs. This
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5631 * setting will be applied to all subsequent
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5632 * calls to alBufferData().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5633 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5634 #ifdef __APPLE__
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5635 alEnable(ALC_CONVERT_DATA_UPON_LOADING);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5636 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5637
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5638
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5639
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5640
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5641 ALmixer_Initialized = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5642
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5643 if(num_sources <= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5644 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5645 Number_of_Channels_global = ALMIXER_DEFAULT_NUM_CHANNELS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5646 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5647 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5648 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5649 Number_of_Channels_global = num_sources;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5650 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5651 Number_of_Reserve_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5652 Is_Playing_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5653 /* Set to Null in case system quit and was reinitialized */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5654 Channel_Done_Callback = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5655 Channel_Done_Callback_Userdata = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5656 Channel_Data_Callback = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5657
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5658 /* Allocate memory for the list of channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5659 ALmixer_Channel_List = (struct ALmixer_Channel*) malloc(Number_of_Channels_global * sizeof(struct ALmixer_Channel));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5660 if(NULL == ALmixer_Channel_List)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5661 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5662 ALmixer_SetError("Out of Memory for Channel List");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5663 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5664 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5665 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5666 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5667 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5668 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5669
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5670 /* Allocate memory for the list of sources that map to the channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5671 Source_Map_List = (Source_Map*) malloc(Number_of_Channels_global * sizeof(Source_Map));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5672 if(NULL == Source_Map_List)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5673 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5674 ALmixer_SetError("Out of Memory for Source Map List");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5675 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5676 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5677 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5678 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5679 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5680 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5681 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5682
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5683 /* Create array that will hold the sources */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5684 source = (ALuint*)malloc(Number_of_Channels_global * sizeof(ALuint));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5685 if(NULL == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5686 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5687 ALmixer_SetError("Out of Memory for sources");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5688 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5689 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5690 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5691 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5692 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5693 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5694 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5695 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5696
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5697 /* Clear the error state */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5698 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5699 /* Generate the OpenAL sources */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5700 alGenSources(Number_of_Channels_global, source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5701 if( (error=alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5702 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5703 ALmixer_SetError("Couldn't generate sources: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5704 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5705 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5706 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5707 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5708 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5709 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5710 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5711 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5712
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5713 /* Initialize each channel and associate one source to one channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5714 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5715 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5716 if(0 == source[i])
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5717 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5718 fprintf(stderr, "SDL_ALmixer serious problem. This OpenAL implementation allowed 0 to be a valid source id which is in conflict with assumptions made in this library.\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5719 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5720
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5721 Init_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5722 /* Keeping the source allocation out of the Init function
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5723 * in case I want to reuse the Init
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5724 * function for resetting data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5725 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5726 ALmixer_Channel_List[i].alsource = source[i];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5727 /* Now also keep a copy of the source to channel mapping
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5728 * in case we need to look up a channel from the source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5729 * instead of a source from a channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5730 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5731 Source_Map_List[i].source = source[i];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5732 Source_Map_List[i].channel = i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5733 /* Clean the channel because there are some things that need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5734 * be done that can't happen until the source is set
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5735 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5736 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5737 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5738
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5739 /* The Source_Map_List must be sorted by source for binary searches
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5740 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5741 qsort(Source_Map_List, Number_of_Channels_global, sizeof(Source_Map), Compare_Source_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5742
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5743 fprintf(stderr, "Sorted Source_Map_List is:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5744 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5745 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5746 fprintf(stderr, "Source: %d, Channel: %d\n", Source_Map_List[i].source, Source_Map_List[i].channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5747 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5748 fprintf(stderr, "\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5749
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5750 simple_lock = SDL_CreateMutex();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5751 if(NULL == simple_lock)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5752 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5753 /* SDL sets the error message already? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5754 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5755 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5756 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5757 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5758 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5759 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5760 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5761 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5762 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5763
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5764
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5765 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5766 Stream_Thread_global = SDL_CreateThread(Stream_Data_Thread_Callback, NULL);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5767 if(NULL == Stream_Thread_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5768 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5769 /* SDL sets the error message already? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5770 SDL_DestroyMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5771 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5772 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5773 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5774 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5775 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5776 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5777 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5778 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5779 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5780
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5781 fprintf(stderr, "Using threads\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5782 #endif /* End of ENABLE_ALMIXER_THREADS */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5783
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5784 /* We don't need this array any more because all the sources
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5785 * are connected to channels
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5786 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5787 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5788 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5789 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5790
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5791
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5792 Sint32 ALmixer_Init_Context(Uint32 frequency, Uint32 refresh)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5793 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5794 ALCdevice* dev;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5795 ALCcontext* context;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5796 ALCenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5797
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5798 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5799 /* The Loki dist requires that I set both the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5800 * device and context frequency values separately
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5801 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5802 /* Hope this won't overflow */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5803 char device_string[256];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5804 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5805
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5806 /* (Venting frustration) Damn it! Nobody bothered
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5807 * documenting how you're supposed to use an attribute
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5808 * list. In fact, the not even the Loki test program
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5809 * writers seem to know because they use it inconsistently.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5810 * For example, how do you terminate that attribute list?
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5811 * The Loki test code does it 3 different ways. They
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5812 * set the last value to 0, or they set it to ALC_INVALID,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5813 * or they set two final values: ALC_INVALID, 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5814 * In Loki, 0 and ALC_INVALID happen to be the same,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5815 * but with Creative Labs ALC_INVALID is -1.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5816 * So something's going to break. Loki's source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5817 * code says to terminate with ALC_INVALID. But I
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5818 * don't know if that's really true, or it happens
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5819 * to be a coinicidence because it's defined to 0.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5820 * Creative provides no source code, so I can't look at how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5821 * they terminate it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5822 * So this is really, really ticking me off...
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5823 * For now, I'm going to use ALC_INVALID.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5824 * (Update...after further review of the API spec,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5825 * it seems that a NULL terminated string is the correct
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5826 * termination value to use, so 0 it is.)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5827 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5828 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5829 ALint attrlist[] = {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5830 ALC_FREQUENCY, ALMIXER_DEFAULT_FREQUENCY,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5831 /* Don't know anything about these values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5832 * Trust defaults? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5833 /* Supposed to be the refresh rate in Hz.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5834 * I think 15-120 are supposed to be good
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5835 * values. Though I haven't gotten any effect except
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5836 * for one strange instance on a Mac. But it was
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5837 * unrepeatable.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5838 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5839 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5840 ALC_REFRESH, 15,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5841 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5842 /* Sync requires a alcProcessContext() call
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5843 * for every cycle. By default, this is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5844 * not used and the value is AL_FALSE
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5845 * because it will probably perform
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5846 * pretty badly for me.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5847 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5848 #ifdef ENABLE_ALMIXER_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5849 ALC_SYNC, AL_TRUE,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5850 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5851 ALC_SYNC, AL_FALSE,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5852 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5853 /* Looking at the API spec, it implies
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5854 * that the list be a NULL terminated string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5855 * so it's probably not safe to use ALC_INVALID
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5856 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5857 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5858 ALC_INVALID };
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5859 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5860 '\0'};
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5861 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5862 /* Redo: I'm going to allow ALC_REFRESH to be set.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5863 * However, if no value is specified, I don't
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5864 * want it in the list so I can get the OpenAL defaults
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5865 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5866 ALint attrlist[7];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5867
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5868 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5869 /* More problems: I'm getting bit by endian/signedness issues on
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5870 * different platforms. I can find the endianess easily enough,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5871 * but I don't know how to determine what the correct signedness
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5872 * is (if such a thing exists). I do know that if I try using
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5873 * unsigned on OSX with an originally signed sample, I get
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5874 * distortion. However, I don't have any native unsigned samples
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5875 * to test. But I'm assuming that the platform must be in the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5876 * correct signedness no matter what.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5877 * I can either assume everybody is signed, or I can try to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5878 * determine the value. If I try to determine the values,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5879 * I think my only ability to figure it out will be to open
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5880 * SDL_Audio, and read what the obtained settings were.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5881 * Then shutdown everything. However, I don't even know how
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5882 * reliable this is.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5883 * Update: I think I resolved the issues...forgot to update
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5884 * these comments when it happened. I should check the revision control
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5885 * log... Anyway, I think the issue was partly related to me not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5886 * doing something correctly with the AudioInfo or some kind
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5887 * of stupid endian bug in my code, and weirdness ensued. Looking at the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5888 * revision control, I think I might have assumed that SDL_Sound would
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5889 * do the right thing with a NULL AudioInfo, but I was incorrect,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5890 * and had to fill one out myself.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5891 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5892 SDL_AudioSpec desired;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5893 SDL_AudioSpec obtained;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5894 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5895
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5896
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5897
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5898
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5899 /* Make sure ALmixer isn't already initialized */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5900 if(ALmixer_Initialized)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5901 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5902 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5903 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5904 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5905 fprintf(stderr, "Found Loki dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5906 #elif defined(USING_CREATIVE_AL_DIST)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5907 fprintf(stderr, "Found Creative dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5908
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5909 #elif defined(USING_NVIDIA_AL_DIST)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5910 fprintf(stderr, "Found Nvidia dist\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5911 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5912
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5913 /* Set the defaults */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5914 attrlist[0] = ALC_FREQUENCY;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5915 attrlist[1] = ALMIXER_DEFAULT_FREQUENCY;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5916 attrlist[2] = ALC_SYNC;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5917 #ifdef ENABLE_ALMIXER_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5918 attrlist[3] = ALC_TRUE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5919 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5920 attrlist[3] = ALC_FALSE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5921 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5922
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5923 /* Set frequency value if it is not 0 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5924 if(0 != frequency)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5925 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5926 attrlist[1] = (ALint)frequency;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5927 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5928
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5929 /* If the user specifies a refresh value,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5930 * make room for it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5931 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5932 if(0 != refresh)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5933 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5934 attrlist[4] = (ALint)ALC_REFRESH;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5935 attrlist[5] = refresh;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5936 attrlist[6] = '\0';
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5937 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5938 /* Terminate the list without any refresh values */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5939 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5940 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5941 attrlist[4] = '\0';
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5942 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5943
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5944 /* It looks like OpenAL won't let us ask it what
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5945 * the set frequency is, so we need to save our
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5946 * own copy. Yuck.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5947 * Update: J. Valenzuela just updated the Loki
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5948 * dist (2003/01/02) to handle this.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5949 * The demo is in testattrib.c. However, this
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5950 * looks kind of cumbersome to parse, and I've
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5951 * already put this in my code, so I guess I'll
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5952 * leave it for now.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5953 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5954 ALmixer_Frequency_global = attrlist[1];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5955
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5956 /* Initialize SDL_Sound */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5957 if(! Sound_Init() )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5958 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5959 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5960 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5961 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5962 #ifdef ENABLE_PARANOID_SIGNEDNESS_CHECK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5963 /* Here is the paranoid check that opens
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5964 * SDL audio in an attempt to find the correct
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5965 * system values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5966 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5967 /* Doesn't have to be the actual value I think
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5968 * (as long as it doesn't influence format, in
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5969 * which case I'm probably screwed anyway because OpenAL
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5970 * may easily choose to do something else).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5971 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5972 desired.freq = 44100;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5973 desired.channels = 2;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5974 desired.format = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5975 desired.callback = my_dummy_audio_callback;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5976 if(SDL_OpenAudio(&desired, &obtained) >= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5977 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5978 SIGN_TYPE_16BIT_FORMAT = obtained.format;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5979 /* Now to get really paranoid, we should probably
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5980 * also assume that the 8bit format is also the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5981 * same sign type and set that value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5982 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5983 if(AUDIO_S16SYS == obtained.format)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5984 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5985 SIGN_TYPE_8BIT_FORMAT = AUDIO_S8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5986 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5987 /* Should be AUDIO_U16SYS */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5988 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5989 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5990 SIGN_TYPE_8BIT_FORMAT = AUDIO_U8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5991 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5992 SDL_CloseAudio();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5993 fprintf(stderr, "Obtained format = %d", obtained.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5994 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5995 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5996 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5997 /* Well, I guess I'm in trouble. I guess it's my best guess
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5998 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
5999 SIGN_TYPE_16_BIT_FORMAT = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6000 SIGN_TYPE_8_BIT_FORMAT = AUDIO_S8;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6001 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6002 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6003 /* Weirdness: It seems that SDL_Init(SDL_INIT_AUDIO)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6004 * causes OpenAL and SMPEG to conflict. For some reason
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6005 * if SDL_Init on audio is active, then all the SMPEG
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6006 * decoded sound comes out silent. Unfortunately,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6007 * Sound_Init() invokes SDL_Init on audio. I'm
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6008 * not sure why it actually needs it...
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6009 * But we'll attempt to disable it here after the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6010 * SDL_Sound::Init call and hope it doesn't break SDL_Sound.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6011 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6012 SDL_QuitSubSystem(SDL_INIT_AUDIO);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6013
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6014 /* I'm told NULL will call the default string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6015 * and hopefully do the right thing for each platform
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6016 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6017 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6018 dev = alcOpenDevice( NULL );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6019 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6020 /* Now I'm told I need to set both the device and context
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6021 * to have the same sampling rate, so I must pass a string
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6022 * to OpenDevice(). I don't know how portable these strings are.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6023 * I don't even know if the format for strings is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6024 * compatible
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6025 * From the testattrib.c in the Loki test section
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6026 * dev = alcOpenDevice( (const ALubyte *) "'((sampling-rate 22050))" );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6027 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6028
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6029 #ifdef USING_LOKI_AL_DIST
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6030 sprintf(device_string, "'((sampling-rate %d))", attrlist[1]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6031 dev = alcOpenDevice( (const ALubyte *) device_string );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6032 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6033 dev = alcOpenDevice( NULL );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6034 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6035 fprintf(stderr,"sampling-rate is %d\n", attrlist[1]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6036 if(NULL == dev)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6037 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6038 ALmixer_SetError("Cannot open sound device for OpenAL");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6039 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6040 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6041
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6042 context = alcCreateContext(dev, attrlist);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6043 if(NULL == context)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6044 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6045 ALmixer_SetError("Cannot create a context OpenAL");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6046 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6047 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6048 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6049
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6050
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6051 /* Hmmm, OSX is returning 1 on alcMakeContextCurrent,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6052 * but ALC_NO_ERROR is defined to ALC_FALSE.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6053 * According to Garin Hiebert, this is actually an inconsistency
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6054 * in the Loki version. The function should return a boolean.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6055 * instead of ALC_NO_ERROR. Garin suggested I check via
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6056 * alcGetError().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6057 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6058 /* clear the error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6059 alcGetError(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6060 alcMakeContextCurrent(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6061
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6062 error = alcGetError(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6063 if( (ALC_NO_ERROR != error) )
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6064 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6065 ALmixer_SetError("Could not MakeContextCurrent");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6066 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6067 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6068 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6069 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6070
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6071
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6072 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6073 /* OSX is failing on alcMakeContextCurrent(). Try checking it first? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6074 if(alcGetCurrentContext() != context)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6075 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6076 /* Hmmm, OSX is returning 1 on alcMakeContextCurrent,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6077 * but ALC_NO_ERROR is defined to ALC_FALSE.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6078 * I think this is a bug in the OpenAL implementation.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6079 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6080 fprintf(stderr,"alcMakeContextCurrent returns %d\n", alcMakeContextCurrent(context));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6081
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6082 fprintf(stderr, "Making context current\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6083 #ifndef __APPLE__
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6084 if(alcMakeContextCurrent(context) != ALC_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6085 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6086 if(!alcMakeContextCurrent(context))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6087 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6088 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6089 ALmixer_SetError("Could not MakeContextCurrent");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6090 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6091 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6092 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6093 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6094
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6095 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6096 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6097
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6098 fprintf(stderr, "done Context\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6099
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6100 /* Saw this in the README with the OS X OpenAL distribution.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6101 * It looked interesting and simple, so I thought I might
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6102 * try it out.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6103 * ***** ALC_CONVERT_DATA_UPON_LOADING
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6104 * This extension allows the caller to tell OpenAL to preconvert to the native Core
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6105 * Audio format, the audio data passed to the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6106 * library with the alBufferData() call. Preconverting the audio data, reduces CPU
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6107 * usage by removing an audio data conversion
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6108 * (per source) at render timem at the expense of a larger memory footprint.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6109 *
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6110 * This feature is toggled on/off by using the alDisable() & alEnable() APIs. This
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6111 * setting will be applied to all subsequent
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6112 * calls to alBufferData().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6113 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6114 #ifdef __APPLE__
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6115 alEnable(ALC_CONVERT_DATA_UPON_LOADING);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6116 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6117
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6118 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6119 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6120
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6121
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6122 Sint32 ALmixer_Init_Mixer(Sint32 num_sources)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6123 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6124 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6125 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6126 ALuint* source;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6127
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6128
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6129 ALmixer_Initialized = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6130
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6131 if(num_sources <= 0)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6132 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6133 Number_of_Channels_global = ALMIXER_DEFAULT_NUM_CHANNELS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6134 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6135 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6136 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6137 Number_of_Channels_global = num_sources;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6138 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6139 Number_of_Reserve_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6140 Is_Playing_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6141 /* Set to Null in case system quit and was reinitialized */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6142 Channel_Done_Callback = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6143 Channel_Done_Callback_Userdata = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6144 Channel_Data_Callback = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6145
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6146 /* Allocate memory for the list of channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6147 ALmixer_Channel_List = (struct ALmixer_Channel*) malloc(Number_of_Channels_global * sizeof(struct ALmixer_Channel));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6148 if(NULL == ALmixer_Channel_List)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6149 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6150 ALmixer_SetError("Out of Memory for Channel List");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6151 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6152 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6153 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6154 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6155
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6156 /* Allocate memory for the list of sources that map to the channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6157 Source_Map_List = (Source_Map*) malloc(Number_of_Channels_global * sizeof(Source_Map));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6158 if(NULL == Source_Map_List)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6159 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6160 ALmixer_SetError("Out of Memory for Source Map List");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6161 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6162 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6163 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6164 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6165 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6166
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6167 /* Create array that will hold the sources */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6168 source = (ALuint*)malloc(Number_of_Channels_global * sizeof(ALuint));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6169 if(NULL == source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6170 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6171 ALmixer_SetError("Out of Memory for sources");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6172 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6173 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6174 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6175 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6176 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6177 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6178
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6179 /* Clear the error state */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6180 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6181 /* Generate the OpenAL sources */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6182 alGenSources(Number_of_Channels_global, source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6183 if( (error=alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6184 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6185 ALmixer_SetError("Couldn't generate sources: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6186 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6187 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6188 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6189 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6190 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6191 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6192
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6193 /* Initialize each channel and associate one source to one channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6194 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6195 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6196 Init_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6197 /* Keeping the source allocation out of the Init function
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6198 * in case I want to reuse the Init
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6199 * function for resetting data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6200 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6201 ALmixer_Channel_List[i].alsource = source[i];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6202 /* Now also keep a copy of the source to channel mapping
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6203 * in case we need to look up a channel from the source
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6204 * instead of a source from a channel
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6205 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6206 Source_Map_List[i].source = source[i];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6207 Source_Map_List[i].channel = i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6208 /* Clean the channel because there are some things that need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6209 * be done that can't happen until the source is set
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6210 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6211 Clean_Channel(i);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6212 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6213
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6214 /* The Source_Map_List must be sorted by source for binary searches
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6215 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6216 qsort(Source_Map_List, Number_of_Channels_global, sizeof(Source_Map), Compare_Source_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6217
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6218 fprintf(stderr, "Sorted Source_Map_List is:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6219 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6220 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6221 fprintf(stderr, "Source: %d, Channel: %d\n", Source_Map_List[i].source, Source_Map_List[i].channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6222 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6223 fprintf(stderr, "\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6224
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6225 simple_lock = SDL_CreateMutex();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6226 if(NULL == simple_lock)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6227 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6228 /* SDL sets the error message already? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6229 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6230 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6231 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6232 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6233 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6234 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6235 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6236
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6237
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6238 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6239 Stream_Thread_global = SDL_CreateThread(Stream_Data_Thread_Callback, NULL);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6240 if(NULL == Stream_Thread_global)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6241 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6242 /* SDL sets the error message already? */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6243 SDL_DestroyMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6244 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6245 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6246 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6247 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6248 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6249 return -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6250 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6251
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6252 fprintf(stderr, "Using threads\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6253 #endif /* End of ENABLE_ALMIXER_THREADS */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6254
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6255 /* We don't need this array any more because all the sources
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6256 * are connected to channels
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6257 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6258 free(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6259 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6260 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6261
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6262
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6263
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6264 /* Keep the return value void to allow easy use with
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6265 * atexit()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6266 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6267 void ALmixer_Quit()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6268 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6269 ALCcontext* context;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6270 ALCdevice* dev;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6271 Sint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6272
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6273 if( ! ALmixer_Initialized)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6274 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6275 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6276 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6277
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6278 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6279
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6280 /* Shutdown everything before closing context */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6281 fprintf(stderr, "Halting channels\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6282 Internal_HaltChannel(-1);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6283
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6284 /* This flag will cause the thread to terminate */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6285 ALmixer_Initialized = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6286 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6287 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6288 fprintf(stderr, "Closing thread\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6289 SDL_WaitThread(Stream_Thread_global, NULL);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6290 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6291
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6292 fprintf(stderr, "Destroying mutex\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6293 SDL_DestroyMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6294
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6295 fprintf(stderr, "Deleting OpenAL sources\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6296 /* Delete all the OpenAL sources */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6297 for(i=0; i<Number_of_Channels_global; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6298 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6299 fprintf(stderr, "Deleting OpenAL source: %d\n", ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6300 alDeleteSources(1, &ALmixer_Channel_List[i].alsource);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6301 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6302 /* Delete all the channels */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6303 free(ALmixer_Channel_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6304 free(Source_Map_List);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6305
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6306 /* Reset the Number_of_Channels just in case somebody
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6307 * tries using a ALmixer function.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6308 * I probably should put "Initialized" checks everywhere,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6309 * but I'm too lazy at the moment.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6310 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6311 Number_of_Channels_global = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6312
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6313 context = alcGetCurrentContext();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6314 if(NULL == context)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6315 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6316 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6317 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6318 /* Need to get the device before I close the context */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6319 dev = alcGetContextsDevice(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6320 alcDestroyContext(context);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6321
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6322 if(NULL == dev)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6323 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6324 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6325 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6326 alcCloseDevice(dev);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6327
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6328 Sound_Quit();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6329
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6330 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6331 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6332
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6333 Uint8 ALmixer_IsInitialized()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6334 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6335 return ALmixer_Initialized;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6336 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6337
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6338 Uint32 ALmixer_GetFrequency()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6339 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6340 return ALmixer_Frequency_global;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6341 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6342
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6343 const SDL_version* ALmixer_Linked_Version()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6344 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6345 static SDL_version linked_mixver;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6346 ALMIXER_VERSION(&linked_mixver);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6347 return(&linked_mixver);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6348 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6349
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6350
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6351
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6352
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6353
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6354 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6355 void ALmixer_Output_Attributes()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6356 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6357 ALint num_flags = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6358 ALint* flags = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6359 int i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6360 ALCdevice* dev = alcGetContextsDevice( alcGetCurrentContext() );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6361
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6362
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6363 printf("custom context\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6364
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6365 alcGetIntegerv(dev, ALC_ATTRIBUTES_SIZE,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6366 sizeof num_flags, &num_flags );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6367
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6368 printf("Number of Flags: %d\n", num_flags);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6369
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6370 if(num_flags)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6371 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6372 flags = malloc(sizeof(num_flags) * sizeof(ALint));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6373
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6374 alcGetIntegerv(dev, ALC_ALL_ATTRIBUTES,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6375 sizeof num_flags * sizeof(ALint),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6376 flags );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6377 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6378 for(i = 0; i < num_flags-1; i += 2)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6379 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6380 printf("key 0x%x : value %d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6381 flags[i], flags[i+1]);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6382 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6383 free(flags);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6384 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6385 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6386
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6387
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6388 void ALmixer_Output_Decoders()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6389 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6390 Sound_Version sound_compile_version;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6391 Sound_Version sound_link_version;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6392
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6393 const Sound_DecoderInfo **rc = Sound_AvailableDecoders();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6394 const Sound_DecoderInfo **i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6395 const char **ext;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6396 FILE* stream = stdout;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6397
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6398
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6399 fprintf(stream, "SDL_sound Information:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6400
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6401 SOUND_VERSION(&sound_compile_version);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6402 fprintf(stream, "\tCompiled with SDL_sound version: %d.%d.%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6403 sound_compile_version.major,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6404 sound_compile_version.minor,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6405 sound_compile_version.patch);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6406
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6407 Sound_GetLinkedVersion(&sound_link_version);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6408 fprintf(stream, "\tRunning (linked) with SDL_sound version: %d.%d.%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6409 sound_link_version.major,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6410 sound_link_version.minor,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6411 sound_link_version.patch);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6412
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6413 fprintf(stream, "Supported sound formats:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6414 if (rc == NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6415 fprintf(stream, " * Apparently, NONE!\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6416 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6417 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6418 for (i = rc; *i != NULL; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6419 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6420 fprintf(stream, " * %s\n", (*i)->description);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6421
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6422 for (ext = (*i)->extensions; *ext != NULL; ext++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6423 fprintf(stream, " File extension \"%s\"\n", *ext);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6424
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6425 fprintf(stream, " Written by %s.\n %s\n\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6426 (*i)->author, (*i)->url);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6427 } /* for */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6428 } /* else */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6429
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6430 fprintf(stream, "\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6431 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6432
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6433 void ALmixer_Output_OpenAL_Info()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6434 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6435 SDL_version mixer_compile_version;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6436 const SDL_version * mixer_link_version=ALmixer_Linked_Version();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6437 FILE* stream = stdout;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6438
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6439 fprintf(stream, "OpenAL Information:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6440 fprintf(stream, "\tAL_VENDOR: %s\n", alGetString( AL_VENDOR ) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6441 fprintf(stream, "\tAL_VERSION: %s\n", alGetString( AL_VERSION ) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6442 fprintf(stream, "\tAL_RENDERER: %s\n", alGetString( AL_RENDERER ) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6443 fprintf(stream, "\tAL_EXTENSIONS: %s\n", alGetString( AL_EXTENSIONS ) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6444
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6445 ALMIXER_VERSION(&mixer_compile_version);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6446 fprintf(stream, "\nSDL_ALmixer Information:\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6447 fprintf(stream, "\tCompiled with SDL_ALmixer version: %d.%d.%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6448 mixer_compile_version.major,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6449 mixer_compile_version.minor,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6450 mixer_compile_version.patch);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6451
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6452 fprintf(stream, "\tRunning (linked) with SDL_ALmixer version: %d.%d.%d\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6453 mixer_link_version->major,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6454 mixer_link_version->minor,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6455 mixer_link_version->patch);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6456
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6457 fprintf(stream, "\tCompile flags: ");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6458 #ifdef ENABLE_LOKI_QUEUE_FIX_HACK
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6459 fprintf(stream, "ENABLE_LOKI_QUEUE_FIX_HACK ");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6460 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6461 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6462 fprintf(stream, "ENABLE_ALMIXER_THREADS ");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6463 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6464 #ifdef ENABLE_ALC_SYNC
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6465 fprintf(stream, "ENABLE_ALC_SYNC ");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6466 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6467 fprintf(stream, "\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6468 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6469
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6470
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6471 Sint32 ALmixer_AllocateChannels(Sint32 numchans)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6472 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6473 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6474 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6475 retval = Internal_AllocateChannels(numchans);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6476 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6477 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6478 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6479
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6480
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6481 Sint32 ALmixer_ReserveChannels(Sint32 num)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6482 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6483 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6484 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6485 retval = Internal_ReserveChannels(num);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6486 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6487 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6488 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6489
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6490
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6491
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6492
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6493 static ALmixer_Data* DoLoad(Sound_Sample* sample, Uint32 buffersize, Uint8 decode_mode, Uint32 max_queue_buffers, Uint32 num_startup_buffers, Uint8 access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6494 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6495 Uint32 bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6496 ALmixer_Data* ret_data;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6497 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6498
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6499 /* Allocate memory */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6500 ret_data = (ALmixer_Data *)malloc(sizeof(ALmixer_Data));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6501 if (NULL == ret_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6502 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6503 ALmixer_SetError("Out of memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6504 return(NULL);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6505 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6506
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6507 /* Initialize the data fields */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6508
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6509 /* Set the Sound_Sample pointer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6510 ret_data->sample = sample;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6511
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6512 /* Flag the data to note that it is not in use */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6513 ret_data->in_use = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6514
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6515 /* Initialize remaining flags */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6516 ret_data->total_time = -1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6517 ret_data->eof = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6518
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6519 /* Just initialize */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6520 ret_data->num_buffers_in_use = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6521
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6522 /* Just initialize */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6523 ret_data->total_bytes = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6524
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6525 /* Just initialize */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6526 ret_data->loaded_bytes = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6527
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6528 /* Set the max queue buffers (minimum must be 2) */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6529 if(max_queue_buffers < 2)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6530 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6531 max_queue_buffers = ALMIXER_DEFAULT_QUEUE_BUFFERS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6532 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6533 ret_data->max_queue_buffers = max_queue_buffers;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6534 /* Set up the start up buffers */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6535 if(0 == num_startup_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6536 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6537 num_startup_buffers = ALMIXER_DEFAULT_STARTUP_BUFFERS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6538 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6539 /* Make sure start up buffers is less or equal to max_queue_buffers */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6540 if(num_startup_buffers > max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6541 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6542 num_startup_buffers = max_queue_buffers;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6543 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6544 ret_data->num_startup_buffers = num_startup_buffers;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6545
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6546 ret_data->buffer_map_list = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6547 ret_data->current_buffer = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6548
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6549 ret_data->circular_buffer_queue = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6550
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6551 /* Now decode and load the data into a data chunk */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6552 /* Different cases for Streamed and Predecoded
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6553 * Streamed might turn into a predecoded if buffersize
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6554 * is large enough */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6555 if(ALMIXER_DECODE_STREAM == decode_mode)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6556 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6557 bytes_decoded = Sound_Decode(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6558 if(sample->flags & SOUND_SAMPLEFLAG_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6559 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6560 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6561 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6562 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6563 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6564 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6565
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6566 /* If no data, return an error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6567 if(0 == bytes_decoded)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6568 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6569 ALmixer_SetError("File has no data");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6570 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6571 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6572 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6573 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6574
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6575 /* Note, currently, my Ogg conservative modifications
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6576 * prevent EOF from being detected in the first read
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6577 * because of the weird packet behavior of ov_read().
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6578 * The EAGAIN will get set, but not the EOF.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6579 * I don't know the best way to handle this,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6580 * so for now, Ogg's can only be explicitly
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6581 * predecoded.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6582 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6583
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6584 /* Correction: Since we no longer actually keep the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6585 * streamed data we read here (we rewind and throw
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6586 * it away, and start over on Play), it is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6587 * safe to read another chunk to see if we've hit EOF
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6588 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6589 if(sample->flags & SOUND_SAMPLEFLAG_EAGAIN)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6590 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6591 bytes_decoded = Sound_Decode(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6592 if(sample->flags & SOUND_SAMPLEFLAG_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6593 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6594 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6595 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6596 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6597 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6598 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6599 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6600
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6601
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6602 /* If we found an EOF, the entire file was
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6603 * decoded, so we can treat it like one.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6604 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6605
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6606 if(sample->flags & SOUND_SAMPLEFLAG_EOF)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6607 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6608 fprintf(stderr, "We got LUCKY! File is predecoded even though STREAM was requested\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6609
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6610 ret_data->decoded_all = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6611 /* Need to keep this information around for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6612 * seek and rewind abilities.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6613 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6614 ret_data->total_bytes = bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6615 /* For now, the loaded bytes is the same as total bytes, but
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6616 * this could change during a seek operation
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6617 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6618 ret_data->loaded_bytes = bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6619
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6620 /* Let's compute the total playing time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6621 * SDL_sound does not yet provide this (we're working on
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6622 * that at the moment...)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6623 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6624 ret_data->total_time = Compute_Total_Time(&sample->desired, bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6625
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6626 /* Create one element in the buffer array for data for OpanAL */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6627 ret_data->buffer = (ALuint*)malloc( sizeof(ALuint) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6628 if(NULL == ret_data->buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6629 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6630 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6631 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6632 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6633 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6634 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6635 /* Clear the error code */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6636 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6637 /* Now generate an OpenAL buffer using that first element */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6638 alGenBuffers(1, ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6639 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6640 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6641 ALmixer_SetError("alGenBuffers failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6642 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6643 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6644 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6645 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6646 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6647
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6648
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6649 /* Now copy the data to the OpenAL buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6650 /* We can't just set a pointer because the API needs
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6651 * its own copy to assist hardware acceleration */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6652 alBufferData(ret_data->buffer[0],
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6653 TranslateFormat(&sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6654 sample->buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6655 bytes_decoded,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6656 sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6657 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6658 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6659 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6660 ALmixer_SetError("alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6661 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6662 alDeleteBuffers(1, ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6663 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6664 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6665 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6666 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6667
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6668 /* We should be done with the sample since it's all
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6669 * predecoded. So we can free the memory */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6670
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6671 /* Additional notes:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6672 * We need to keep data around in case Seek() is needed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6673 * or other Sound_AudioInfo is needed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6674 * This can either be done by not deleting the sample,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6675 * or it can be done by dynamically recreating it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6676 * when we need it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6677 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6678 /* Since OpenAL won't let us retrieve it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6679 * (aka dynamically), we have to keep the Sample
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6680 * around because since the user requested
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6681 * streamed and we offered predecoded,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6682 * we don't want to mess up the user who
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6683 * was expecting seek support
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6684 * So Don't Do anything
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6685 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6686 /*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6687 if(0 == access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6688 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6689 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6690 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6691 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6692 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6693 /* Else, We keep a copy of the sample around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6694 * so don't do anything.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6695 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6696
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6697 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6698 #if defined(DISABLE_PREDECODED_SEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6699 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6700 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6701 #elif !defined(DISABLE_SEEK_MEMORY_OPTIMIZATION)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6702 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6703 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6704 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6705 /* We keep a copy of the sample around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6706 * so don't do anything.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6707 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6708 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6709 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6710 /* okay we're done here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6711
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6712 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6713 /* Else, we need to stream the data, so we'll
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6714 * create multple buffers for queuing */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6715 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6716 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6717 fprintf(stderr, "Loading streamed data (not lucky)\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6718 ret_data->decoded_all = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6719
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6720 /* This information is for predecoded.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6721 * Set to 0, since we don't know.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6722 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6723 ret_data->total_bytes = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6724
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6725 /* Create buffers for data
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6726 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6727 ret_data->buffer = (ALuint*)malloc( sizeof(ALuint) * max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6728 if(NULL == ret_data->buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6729 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6730 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6731 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6732 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6733 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6734 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6735
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6736 /* Clear the error code */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6737 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6738 /* Now generate an OpenAL buffer using that first element */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6739 alGenBuffers(max_queue_buffers, ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6740 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6741 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6742 ALmixer_SetError("alGenBuffers failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6743 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6744 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6745 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6746 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6747 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6748
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6749 /* Redesign: Okay, because of the unqueuing problems and such,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6750 * I've decided to redesign where and how queuing is handled.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6751 * Before, everything was queued up here. However, this
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6752 * placed a penalty on load and made performance inconsistent
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6753 * when samples had to be rewound. It did make things easier
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6754 * to queue because I could let OpenAL decide which buffer
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6755 * needed to be queued next.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6756 * Now, I'm going to push off the queuing to the actual
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6757 * Play() command. I'm going to add some book keeping,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6758 * and allow for additional buffers to be filled at later
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6759 * times.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6760 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6761
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6762
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6763 /* So first of all, because of I already decoded the sample
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6764 * for testing, I need to decide what to do with it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6765 * The best thing would be be to alBufferData() it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6766 * The problem is it may conflict with the rest of
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6767 * the system because everything now assumes buffers
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6768 * are entirely stripped (because of the unqueing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6769 * problem).
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6770 * So it looks like I have to do the crappy thing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6771 * and throw away the data, and rewind.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6772 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6773
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6774 if(0 == Sound_Rewind(ret_data->sample))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6775 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6776 ALmixer_SetError("Cannot use sample for streamed data because it must be rewindable: %s", Sound_GetError() );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6777 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6778 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6779 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6780 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6781 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6782
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6783
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6784 /* If the user has selected access_data, we need to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6785 * keep copies of the queuing buffers around because
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6786 * OpenAL won't let us access the data.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6787 * Allocate the memory for the buffers here
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6788 * and initialize the albuffer-index map
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6789 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6790 if(access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6791 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6792 Uint32 j;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6793 /* Create buffers for data access
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6794 * Should be the same number as the number of queue buffers
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6795 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6796 ret_data->buffer_map_list = (Buffer_Map*)malloc( sizeof(Buffer_Map) * max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6797 if(NULL == ret_data->buffer_map_list)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6798 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6799 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6800 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6801 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6802 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6803 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6804 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6805
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6806 ret_data->circular_buffer_queue = CircularQueueUnsignedInt_CreateQueue(max_queue_buffers);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6807 if(NULL == ret_data->circular_buffer_queue)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6808 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6809 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6810 free(ret_data->buffer_map_list);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6811 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6812 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6813 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6814 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6815 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6816
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6817
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6818 for(j=0; j<max_queue_buffers; j++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6819 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6820 ret_data->buffer_map_list[j].albuffer = ret_data->buffer[j];
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6821 ret_data->buffer_map_list[j].index = j;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6822 ret_data->buffer_map_list[j].num_bytes = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6823 ret_data->buffer_map_list[j].data = (Uint8*)malloc( sizeof(Uint8) * buffersize);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6824 if(NULL == ret_data->buffer_map_list[j].data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6825 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6826 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6827 break;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6828 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6829 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6830 /* If an error happened, we have to clean up the memory */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6831 if(j < max_queue_buffers)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6832 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6833 fprintf(stderr, "################## Buffer allocation failed\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6834 for( ; j>=0; j--)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6835 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6836 free(ret_data->buffer_map_list[j].data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6837 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6838 free(ret_data->buffer_map_list);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6839 CircularQueueUnsignedInt_FreeQueue(ret_data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6840 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6841 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6842 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6843 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6844 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6845
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6846 /* The Buffer_Map_List must be sorted by albuffer for binary searches
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6847 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6848 qsort(ret_data->buffer_map_list, max_queue_buffers, sizeof(Buffer_Map), Compare_Buffer_Map);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6849 } /* End if access_data==true */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6850
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6851
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6852 } /* End of do stream */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6853 } /* end of DECODE_STREAM */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6854 /* User requested decode all (easy, nothing to figure out) */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6855 else if(ALMIXER_DECODE_ALL == decode_mode)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6856 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6857 bytes_decoded = Sound_DecodeAll(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6858 if(sample->flags & SOUND_SAMPLEFLAG_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6859 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6860 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6861 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6862 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6863 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6864 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6865
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6866 /* If no data, return an error */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6867 if(0 == bytes_decoded)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6868 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6869 ALmixer_SetError("File has no data");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6870 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6871 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6872 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6873 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6874
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6875
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6876 ret_data->decoded_all = 1;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6877 /* Need to keep this information around for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6878 * seek and rewind abilities.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6879 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6880 ret_data->total_bytes = bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6881 /* For now, the loaded bytes is the same as total bytes, but
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6882 * this could change during a seek operation
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6883 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6884 ret_data->loaded_bytes = bytes_decoded;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6885
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6886 /* Let's compute the total playing time
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6887 * SDL_sound does not yet provide this (we're working on
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6888 * that at the moment...)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6889 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6890 ret_data->total_time = Compute_Total_Time(&sample->desired, bytes_decoded);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6891
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6892 /* Create one element in the buffer array for data for OpanAL */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6893 ret_data->buffer = (ALuint*)malloc( sizeof(ALuint) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6894 if(NULL == ret_data->buffer)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6895 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6896 ALmixer_SetError("Out of Memory");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6897 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6898 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6899 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6900 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6901 /* Clear the error code */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6902 alGetError();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6903 /* Now generate an OpenAL buffer using that first element */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6904 alGenBuffers(1, ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6905 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6906 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6907 ALmixer_SetError("alGenBuffers failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6908 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6909 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6910 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6911 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6912 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6913 fprintf(stderr, "Actual rate=%d, desired=%d\n", sample->actual.rate, sample->desired.rate);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6914
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6915 /* Now copy the data to the OpenAL buffer */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6916 /* We can't just set a pointer because the API needs
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6917 * its own copy to assist hardware acceleration */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6918 alBufferData(ret_data->buffer[0],
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6919 TranslateFormat(&sample->desired),
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6920 sample->buffer,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6921 bytes_decoded,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6922 sample->desired.rate
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6923 );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6924 if( (error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6925 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6926 ALmixer_SetError("alBufferData failed: %s\n", aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6927 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6928 alDeleteBuffers(1, ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6929 free(ret_data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6930 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6931 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6932 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6933
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6934 /* We should be done with the sample since it's all
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6935 * predecoded. So we can free the memory */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6936 /* Need to keep around because Seek() needs it */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6937
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6938 /* Additional notes:
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6939 * We need to keep data around in case Seek() is needed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6940 * or other Sound_AudioInfo is needed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6941 * This can either be done by not deleting the sample,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6942 * or it can be done by dynamically recreating it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6943 * when we need it.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6944 * Update: I think now it's up to the user by passing the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6945 * access_data flag. If they set the flag, then they get
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6946 * data callbacks and seek support. If not, then they can
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6947 * get all that stuff at the expense of keeping extra memory
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6948 * around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6949 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6950 if(0 == access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6951 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6952 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6953 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6954 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6955
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6956 /* Else, We keep a copy of the sample around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6957 * so don't do anything.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6958 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6959 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6960 #if defined(DISABLE_PREDECODED_SEEK)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6961 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6962 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6963 #elif !defined(DISABLE_SEEK_MEMORY_OPTIMIZATION)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6964 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6965 ret_data->sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6966 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6967 /* We keep a copy of the sample around.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6968 * so don't do anything.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6969 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6970 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6971 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6972
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6973 fprintf(stderr, "Made it\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6974 /* okay we're done here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6975 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6976 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6977 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6978 /* Shouldn't get here */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6979 ALmixer_SetError("Unknown decode mode");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6980 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6981 free(ret_data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6982 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6983 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6984
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6985 fprintf(stderr, "Returning data\n");
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6986 return ret_data;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6987 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6988
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6989
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6990 /* This will load a sample for us. Most of the uglyness is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6991 * error checking and the fact that streamed/predecoded files
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6992 * must be treated differently.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6993 * I don't like the AudioInfo parameter. I removed it once,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6994 * but the system will fail on RAW samples because the user
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6995 * must specify it, so I had to bring it back.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6996 * Remember I must close the rwops if there is an error before NewSample()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6997 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6998 ALmixer_Data* ALmixer_LoadSample_RW(SDL_RWops* rwops, const char* fileext, Uint32 buffersize, Uint8 decode_mode, Uint32 max_queue_buffers, Uint32 num_startup_buffers, Uint8 access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
6999 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7000 Sound_Sample* sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7001 Sound_AudioInfo target;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7002
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7003 /* Initialize target values to defaults
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7004 * 0 tells SDL_sound to use the "actual" values
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7005 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7006 target.channels = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7007 target.rate = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7008 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7009 /* This requires my new additions to SDL_sound. It will
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7010 * convert the sample to the proper endian order.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7011 * If the actual is 8-bit, it will do unsigned, if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7012 * the actual is 16-bit, it will do signed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7013 * I'm told by Ryan Gordon that OpenAL prefers the signedness
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7014 * in this way.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7015 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7016 target.format = AUDIO_U8S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7017 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7018 target.format = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7019 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7020
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7021 /* Set a default buffersize if needed */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7022 if(0 == buffersize)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7023 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7024 buffersize = ALMIXER_DEFAULT_BUFFERSIZE;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7025 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7026
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7027 sample = Sound_NewSample(rwops, fileext, &target, buffersize);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7028 if(NULL == sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7029 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7030 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7031 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7032 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7033
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7034 return( DoLoad(sample, buffersize, decode_mode, max_queue_buffers, num_startup_buffers, access_data));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7035 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7036
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7037
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7038
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7039 /* This will load a sample for us from
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7040 * a file (instead of RWops). Most of the uglyness is
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7041 * error checking and the fact that streamed/predecoded files
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7042 * must be treated differently.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7043 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7044 ALmixer_Data* ALmixer_LoadSample(const char* filename, Uint32 buffersize, Uint8 decode_mode, Uint32 max_queue_buffers, Uint32 num_startup_buffers, Uint8 access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7045 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7046 Sound_Sample* sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7047 Sound_AudioInfo target;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7048
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7049 /* Initialize target values to defaults
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7050 * 0 tells SDL_sound to use the "actual" values
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7051 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7052 target.channels = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7053 target.rate = 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7054
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7055 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7056 /* This requires my new additions to SDL_sound. It will
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7057 * convert the sample to the proper endian order.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7058 * If the actual is 8-bit, it will do unsigned, if
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7059 * the actual is 16-bit, it will do signed.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7060 * I'm told by Ryan Gordon that OpenAL prefers the signedness
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7061 * in this way.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7062 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7063 target.format = AUDIO_U8S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7064 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7065 target.format = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7066 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7067
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7068 #if 0
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7069 /* Okay, here's a messy hack. The problem is that we need
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7070 * to convert the sample to have the correct bitdepth,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7071 * endian order, and signedness values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7072 * The bit depth is 8 or 16.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7073 * The endian order is the native order of the system.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7074 * The signedness depends on what the original value
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7075 * of the sample. Unfortunately, we can't specify these
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7076 * values until we after we already know what the original
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7077 * values were for bitdepth and signedness.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7078 * So we must open the file once to get the values,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7079 * then close it, and then reopen it with the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7080 * correct desired target values.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7081 * I tried changing the sample->desired field after
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7082 * the NewSample call, but it had no effect, so
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7083 * it looks like it must be set on open.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7084 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7085 /* Pick a small buffersize for the first open to not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7086 * waste much time allocating memory */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7087 sample = Sound_NewSampleFromFile(filename, NULL, 512);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7088 if(NULL == sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7089 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7090 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7091 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7092 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7093
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7094 bit_depth = GetBitDepth(sample->actual.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7095 signedness_value = GetSignednessValue(sample->actual.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7096 if(8 == bit_depth)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7097 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7098 /* If 8 bit, then we don't have to worry about
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7099 * endian issues. We can just use the actual format
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7100 * value and it should do the right thing
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7101 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7102 target.format = sample->actual.format;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7103 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7104 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7105 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7106 /* We'll assume it's 16-bit, and if it's not
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7107 * hopefully SDL_sound will return an error,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7108 * or let us convert to 16-bit
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7109 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7110 /* Now we need to get the correct signedness */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7111 if(ALMIXER_UNSIGNED_VALUE == signedness_value)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7112 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7113 /* Set to Unsigned 16-bit, system endian order */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7114 target.format = AUDIO_U16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7115 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7116 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7117 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7118 /* Again, we'll assume it's Signed 16-bit system order
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7119 * or force the conversion and hope it works out
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7120 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7121 target.format = AUDIO_S16SYS;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7122 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7123 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7124
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7125 /* Now we have the correct info. We need to close and reopen */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7126 Sound_FreeSample(sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7127 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7128
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7129 sample = Sound_NewSampleFromFile(filename, &target, buffersize);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7130 if(NULL == sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7131 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7132 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7133 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7134 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7135
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7136 fprintf(stderr, "Correction test: Actual rate=%d, desired=%d, actual format=%d, desired format=%d\n", sample->actual.rate, sample->desired.rate, sample->actual.format, sample->desired.format);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7137
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7138 return( DoLoad(sample, buffersize, decode_mode, max_queue_buffers, num_startup_buffers, access_data));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7139 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7140
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7141
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7142 /* This is a back door for RAW samples or if you need the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7143 * AudioInfo field. Use at your own risk.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7144 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7145 ALmixer_Data* ALmixer_LoadSample_RAW_RW(SDL_RWops* rwops, const char* fileext, Sound_AudioInfo* desired, Uint32 buffersize, Uint8 decode_mode, Uint32 max_queue_buffers, Uint32 num_startup_buffers, Uint8 access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7146 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7147 Sound_Sample* sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7148 sample = Sound_NewSample(rwops, fileext, desired, buffersize);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7149 if(NULL == sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7150 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7151 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7152 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7153 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7154 return( DoLoad(sample, buffersize, decode_mode, max_queue_buffers, num_startup_buffers, access_data));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7155 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7156
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7157
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7158
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7159
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7160 /* This is a back door for RAW samples or if you need the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7161 * AudioInfo field. Use at your own risk.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7162 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7163 ALmixer_Data* ALmixer_LoadSample_RAW(const char* filename, Sound_AudioInfo* desired, Uint32 buffersize, Uint8 decode_mode, Uint32 max_queue_buffers, Uint32 num_startup_buffers, Uint8 access_data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7164 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7165 Sound_Sample* sample = NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7166 sample = Sound_NewSampleFromFile(filename, desired, buffersize);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7167 if(NULL == sample)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7168 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7169 ALmixer_SetError(Sound_GetError());
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7170 return NULL;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7171 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7172 return( DoLoad(sample, buffersize, decode_mode, max_queue_buffers, num_startup_buffers, access_data));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7173 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7174
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7175
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7176
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7177
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7178 void ALmixer_FreeData(ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7179 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7180 ALenum error;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7181 if(NULL == data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7182 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7183 return;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7184 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7185
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7186 if(data->decoded_all)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7187 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7188 /* If access_data was enabled, then the Sound_Sample*
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7189 * still exists. We need to free it
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7190 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7191 if(data->sample != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7192 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7193 Sound_FreeSample(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7194 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7195 alDeleteBuffers(1, data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7196 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7197 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7198 fprintf(stderr, "70Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7199 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7200 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7201
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7202 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7203 else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7204 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7205 Uint32 i;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7206
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7207 /* Delete buffer copies if access_data was enabled */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7208 if(data->buffer_map_list != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7209 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7210 for(i=0; i<data->max_queue_buffers; i++)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7211 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7212 free(data->buffer_map_list[i].data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7213 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7214 free(data->buffer_map_list);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7215 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7216 if(data->circular_buffer_queue != NULL)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7217 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7218 CircularQueueUnsignedInt_FreeQueue(data->circular_buffer_queue);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7219 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7220
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7221 Sound_FreeSample(data->sample);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7222 alDeleteBuffers(data->max_queue_buffers, data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7223 if((error = alGetError()) != AL_NO_ERROR)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7224 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7225 fprintf(stderr, "71Testing error: %s\n",
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7226 aluGetErrorString(error));
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7227 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7228 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7229 free(data->buffer);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7230 free(data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7231 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7232
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7233 Sint32 ALmixer_GetTotalTime(ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7234 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7235 return data->total_time;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7236 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7237
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7238 /* This function will look up the source for the corresponding channel */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7239 /* Must return 0 on error instead of -1 because of unsigned int */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7240 ALuint ALmixer_GetSource(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7241 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7242 ALuint retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7243 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7244 retval = Internal_GetSource(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7245 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7246 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7247 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7248
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7249 /* This function will look up the channel for the corresponding source */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7250 Sint32 ALmixer_GetChannel(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7251 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7252 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7253 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7254 retval = Internal_GetChannel(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7255 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7256 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7257 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7258
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7259 Sint32 ALmixer_FindFreeChannel(Sint32 start_channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7260 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7261 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7262 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7263 retval = Internal_FindFreeChannel(start_channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7264 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7265 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7266 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7267
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7268
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7269
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7270 /* API update function.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7271 * It should return the number of buffers that were
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7272 * queued during the call. The value might be
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7273 * used to guage how long you might wait to
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7274 * call the next update loop in case you are worried
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7275 * about preserving CPU cycles. The idea is that
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7276 * when a buffer is queued, there was probably some
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7277 * CPU intensive looping which took awhile.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7278 * It's mainly provided as a convenience.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7279 * Timing the call with SDL_GetTicks() would produce
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7280 * more accurate information.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7281 * Returns a negative value if there was an error,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7282 * the value being the number of errors.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7283 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7284 Sint32 ALmixer_Update()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7285 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7286 #ifdef ENABLE_ALMIXER_THREADS
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7287 /* The thread will handle all updates by itself.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7288 * Don't allow the user to explicitly call update.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7289 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7290 return 0;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7291 #else
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7292 return( Update_ALmixer(NULL) );
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7293 #endif
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7294 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7295
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7296
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7297
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7298 void ALmixer_ChannelFinished(void (*channel_finished)(Sint32 channel, void* userdata), void* userdata)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7299 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7300 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7301 Channel_Done_Callback = channel_finished;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7302 Channel_Done_Callback_Userdata = userdata;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7303 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7304 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7305
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7306
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7307 void ALmixer_ChannelData(void (*channel_data)(Sint32 which_chan, Uint8* data, Uint32 num_bytes, Uint32 frequency, Uint8 channels, Uint8 bitdepth, Uint16 format, Uint8 decode_mode))
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7308 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7309 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7310 Channel_Data_Callback = channel_data;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7311 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7312 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7313
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7314
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7315
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7316
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7317
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7318 Sint32 ALmixer_PlayChannelTimed(Sint32 channel, ALmixer_Data* data, Sint32 loops, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7319 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7320 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7321 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7322 retval = Internal_PlayChannelTimed(channel, data, loops, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7323 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7324 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7325 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7326
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7327
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7328 /* In case the user wants to specify a source instead of a channel,
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7329 * they may use this function. This function will look up the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7330 * source-to-channel map, and convert the call into a
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7331 * PlayChannelTimed() function call.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7332 * Returns the channel it's being played on.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7333 * Note: If you are prefer this method, then you need to be careful
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7334 * about using PlayChannel, particularly if you request the
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7335 * first available channels because source and channels have
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7336 * a one-to-one mapping in this API. It is quite easy for
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7337 * a channel/source to already be in use because of this.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7338 * In this event, an error message will be returned to you.
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7339 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7340 ALuint ALmixer_PlaySourceTimed(ALuint source, ALmixer_Data* data, Sint32 loops, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7341 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7342 ALuint retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7343 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7344 retval = Internal_PlaySourceTimed(source, data, loops, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7345 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7346 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7347 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7348
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7349
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7350 /* Will return the number of channels halted
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7351 * or 0 for error
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7352 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7353 Sint32 ALmixer_HaltChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7354 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7355 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7356 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7357 retval = Internal_HaltChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7358 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7359 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7360 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7361
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7362 /* Will return the number of channels halted
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7363 * or 0 for error
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7364 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7365 Sint32 ALmixer_HaltSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7366 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7367 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7368 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7369 retval = Internal_HaltSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7370 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7371 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7372 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7373
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7374
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7375 /* This will rewind the SDL_Sound sample for streamed
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7376 * samples and start buffering up the data for the next
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7377 * playback. This may require samples to be halted
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7378 */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7379 Sint32 ALmixer_RewindData(ALmixer_Data* data)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7380 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7381 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7382 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7383 retval = Internal_RewindData(data);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7384 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7385 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7386 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7387
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7388 Sint32 ALmixer_RewindChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7389 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7390 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7391 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7392 retval = Internal_RewindChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7393 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7394 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7395 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7396
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7397 Sint32 ALmixer_RewindSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7398 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7399 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7400 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7401 retval = Internal_RewindSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7402 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7403 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7404 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7405
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7406 Sint32 ALmixer_PauseChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7407 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7408 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7409 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7410 retval = Internal_PauseChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7411 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7412 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7413 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7414
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7415 Sint32 ALmixer_PauseSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7416 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7417 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7418 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7419 retval = Internal_PauseSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7420 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7421 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7422 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7423
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7424 Sint32 ALmixer_ResumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7425 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7426 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7427 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7428 retval = Internal_ResumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7429 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7430 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7431 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7432
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7433 Sint32 ALmixer_ResumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7434 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7435 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7436 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7437 retval = Internal_ResumeSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7438 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7439 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7440 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7441
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7442 /* Might consider setting eof to 0 as a "feature"
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7443 * This will allow seek to end to stay there because
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7444 * Play automatically rewinds if at the end */
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7445 Sint32 ALmixer_Seek(ALmixer_Data* data, Uint32 msec)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7446 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7447 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7448 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7449 retval = Internal_Seek(data, msec);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7450 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7451 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7452 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7453
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7454 Sint32 ALmixer_FadeInChannelTimed(Sint32 channel, ALmixer_Data* data, Sint32 loops, Uint32 fade_ticks, Sint32 expire_ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7455 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7456 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7457 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7458 retval = Internal_FadeInChannelTimed(channel, data, loops, fade_ticks, expire_ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7459 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7460 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7461 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7462
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7463 ALuint ALmixer_FadeInSourceTimed(ALuint source, ALmixer_Data* data, Sint32 loops, Uint32 fade_ticks, Sint32 expire_ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7464 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7465 ALuint retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7466 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7467 retval = Internal_FadeInSourceTimed(source, data, loops, fade_ticks, expire_ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7468 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7469 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7470 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7471
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7472 Sint32 ALmixer_FadeOutChannel(Sint32 channel, Uint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7473 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7474 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7475 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7476 retval = Internal_FadeOutChannel(channel, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7477 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7478 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7479 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7480
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7481 Sint32 ALmixer_FadeOutSource(ALuint source, Uint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7482 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7483 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7484 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7485 retval = Internal_FadeOutSource(source, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7486 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7487 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7488 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7489
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7490 Sint32 ALmixer_FadeChannel(Sint32 channel, Uint32 ticks, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7491 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7492 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7493 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7494 retval = Internal_FadeChannel(channel, ticks, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7495 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7496 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7497 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7498
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7499 Sint32 ALmixer_FadeSource(ALuint source, Uint32 ticks, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7500 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7501 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7502 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7503 retval = Internal_FadeSource(source, ticks, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7504 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7505 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7506 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7507
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7508 Sint32 ALmixer_SetMaxVolumeChannel(Sint32 channel, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7509 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7510 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7511 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7512 retval = Internal_SetMaxVolumeChannel(channel, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7513 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7514 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7515 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7516
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7517 Sint32 ALmixer_SetMaxVolumeSource(ALuint source, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7518 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7519 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7520 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7521 retval = Internal_SetMaxVolumeSource(source, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7522 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7523 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7524 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7525
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7526 ALfloat ALmixer_GetMaxVolumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7527 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7528 ALfloat retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7529 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7530 retval = Internal_GetMaxVolumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7531 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7532 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7533 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7534
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7535 ALfloat ALmixer_GetMaxVolumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7536 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7537 ALfloat retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7538 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7539 retval = Internal_GetMaxVolumeSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7540 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7541 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7542 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7543
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7544
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7545 Sint32 ALmixer_SetMinVolumeChannel(Sint32 channel, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7546 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7547 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7548 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7549 retval = Internal_SetMinVolumeChannel(channel, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7550 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7551 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7552 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7553
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7554 Sint32 ALmixer_SetMinVolumeSource(ALuint source, ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7555 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7556 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7557 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7558 retval = Internal_SetMinVolumeSource(source, volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7559 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7560 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7561 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7562
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7563 ALfloat ALmixer_GetMinVolumeChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7564 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7565 ALfloat retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7566 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7567 retval = Internal_GetMinVolumeChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7568 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7569 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7570 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7571
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7572 ALfloat ALmixer_GetMinVolumeSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7573 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7574 ALfloat retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7575 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7576 retval = Internal_GetMinVolumeSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7577 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7578 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7579 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7580
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7581
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7582
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7583 Sint32 ALmixer_SetMasterVolume(ALfloat volume)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7584 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7585 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7586 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7587 retval = Internal_SetMasterVolume(volume);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7588 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7589 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7590 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7591
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7592 ALfloat ALmixer_GetMasterVolume()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7593 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7594 ALfloat retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7595 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7596 retval = Internal_GetMasterVolume();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7597 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7598 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7599 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7600
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7601 Sint32 ALmixer_ExpireChannel(Sint32 channel, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7602 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7603 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7604 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7605 retval = Internal_ExpireChannel(channel, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7606 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7607 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7608 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7609
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7610 Sint32 ALmixer_ExpireSource(ALuint source, Sint32 ticks)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7611 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7612 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7613 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7614 retval = Internal_ExpireSource(source, ticks);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7615 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7616 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7617 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7618
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7619 Sint32 ALmixer_QueryChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7620 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7621 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7622 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7623 retval = Internal_QueryChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7624 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7625 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7626 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7627
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7628 Sint32 ALmixer_QuerySource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7629 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7630 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7631 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7632 retval = Internal_QuerySource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7633 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7634 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7635 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7636
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7637
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7638 Sint32 ALmixer_PlayingChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7639 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7640 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7641 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7642 retval = Internal_PlayingChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7643 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7644 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7645 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7646
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7647 Sint32 ALmixer_PlayingSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7648 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7649 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7650 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7651 retval = Internal_PlayingSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7652 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7653 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7654 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7655
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7656
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7657 Sint32 ALmixer_PausedChannel(Sint32 channel)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7658 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7659 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7660 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7661 retval = Internal_PausedChannel(channel);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7662 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7663 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7664 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7665
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7666 Sint32 ALmixer_PausedSource(ALuint source)
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7667 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7668 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7669 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7670 retval = Internal_PausedSource(source);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7671 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7672 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7673 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7674
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7675
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7676 Sint32 ALmixer_CountAllFreeChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7677 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7678 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7679 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7680 retval = Internal_CountAllFreeChannels();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7681 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7682 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7683 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7684
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7685 Sint32 ALmixer_CountUnreservedFreeChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7686 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7687 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7688 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7689 retval = Internal_CountUnreservedFreeChannels();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7690 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7691 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7692 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7693
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7694 Sint32 ALmixer_CountAllUsedChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7695 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7696 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7697 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7698 retval = Internal_CountAllUsedChannels();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7699 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7700 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7701 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7702
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7703 Sint32 ALmixer_CountUnreservedUsedChannels()
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7704 {
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7705 Sint32 retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7706 SDL_LockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7707 retval = Internal_CountUnreservedUsedChannels();
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7708 SDL_UnlockMutex(simple_lock);
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7709 return retval;
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7710 }
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7711
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7712
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7713
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7714
01e39f9f58d5 Bitkeeper era.
Eric Wing <ewing . public |-at-| gmail . com>
parents:
diff changeset
7715