annotate SDL_sound.c @ 319:4a2cd7d4aa06

Updated.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 29 Apr 2002 06:02:34 +0000
parents d62c05322a3e
children 31cc49d7d0ce
rev   line source
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1 /*
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2 * SDL_sound -- An abstract sound format decoding API.
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3 * Copyright (C) 2001 Ryan C. Gordon.
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4 *
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5 * This library is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU Lesser General Public
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7 * License as published by the Free Software Foundation; either
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8 * version 2.1 of the License, or (at your option) any later version.
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9 *
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10 * This library is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Lesser General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Lesser General Public
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16 * License along with this library; if not, write to the Free Software
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17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 */
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19
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20 /**
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21 * This file implements the core API, which is relatively simple.
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22 * The real meat of SDL_sound is in the decoders directory.
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23 *
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24 * Documentation is in SDL_sound.h ... It's verbose, honest. :)
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25 *
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26 * Please see the file COPYING in the source's root directory.
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27 *
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28 * This file written by Ryan C. Gordon. (icculus@clutteredmind.org)
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29 */
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30
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31 #if HAVE_CONFIG_H
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32 # include <config.h>
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33 #endif
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34
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35 #include <stdio.h>
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36 #include <stdlib.h>
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37 #include <string.h>
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38 #include <assert.h>
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39 #include <ctype.h>
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40
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41 #include "SDL.h"
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42 #include "SDL_sound.h"
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43
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44 #define __SDL_SOUND_INTERNAL__
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45 #include "SDL_sound_internal.h"
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46
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47
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48 /* The various decoder drivers... */
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49
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50 #if (defined SOUND_SUPPORTS_SMPEG)
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51 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_SMPEG;
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52 #endif
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53
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54 #if (defined SOUND_SUPPORTS_MPGLIB)
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55 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MPGLIB;
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56 #endif
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57
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58 #if (defined SOUND_SUPPORTS_MIKMOD)
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59 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MIKMOD;
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60 #endif
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61
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62 #if (defined SOUND_SUPPORTS_MODPLUG)
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63 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MODPLUG;
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64 #endif
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65
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66 #if (defined SOUND_SUPPORTS_WAV)
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67 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_WAV;
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68 #endif
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69
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70 #if (defined SOUND_SUPPORTS_AIFF)
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71 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_AIFF;
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72 #endif
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73
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74 #if (defined SOUND_SUPPORTS_AU)
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75 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_AU;
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76 #endif
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77
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78 #if (defined SOUND_SUPPORTS_OGG)
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79 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_OGG;
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80 #endif
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81
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82 #if (defined SOUND_SUPPORTS_VOC)
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83 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_VOC;
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84 #endif
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85
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86 #if (defined SOUND_SUPPORTS_RAW)
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87 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_RAW;
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88 #endif
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89
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90 #if (defined SOUND_SUPPORTS_SHN)
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91 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_SHN;
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92 #endif
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93
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94 #if (defined SOUND_SUPPORTS_MIDI)
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95 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MIDI;
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96 #endif
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97
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98 #if (defined SOUND_SUPPORTS_FLAC)
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99 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_FLAC;
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100 #endif
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101
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102
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103
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104 typedef struct
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105 {
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106 int available;
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107 const Sound_DecoderFunctions *funcs;
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108 } decoder_element;
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109
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110 static decoder_element decoders[] =
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111 {
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112 #if (defined SOUND_SUPPORTS_SMPEG)
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113 { 0, &__Sound_DecoderFunctions_SMPEG },
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114 #endif
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115
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116 #if (defined SOUND_SUPPORTS_MPGLIB)
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117 { 0, &__Sound_DecoderFunctions_MPGLIB },
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118 #endif
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119
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120 #if (defined SOUND_SUPPORTS_MODPLUG)
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121 { 0, &__Sound_DecoderFunctions_MODPLUG },
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122 #endif
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124 #if (defined SOUND_SUPPORTS_MIKMOD)
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125 { 0, &__Sound_DecoderFunctions_MIKMOD },
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126 #endif
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127
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128 #if (defined SOUND_SUPPORTS_WAV)
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129 { 0, &__Sound_DecoderFunctions_WAV },
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130 #endif
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131
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132 #if (defined SOUND_SUPPORTS_AIFF)
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133 { 0, &__Sound_DecoderFunctions_AIFF },
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134 #endif
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135
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136 #if (defined SOUND_SUPPORTS_AU)
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137 { 0, &__Sound_DecoderFunctions_AU },
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138 #endif
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139
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140 #if (defined SOUND_SUPPORTS_OGG)
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141 { 0, &__Sound_DecoderFunctions_OGG },
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142 #endif
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143
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144 #if (defined SOUND_SUPPORTS_VOC)
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145 { 0, &__Sound_DecoderFunctions_VOC },
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146 #endif
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147
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148 #if (defined SOUND_SUPPORTS_RAW)
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149 { 0, &__Sound_DecoderFunctions_RAW },
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150 #endif
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151
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152 #if (defined SOUND_SUPPORTS_SHN)
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153 { 0, &__Sound_DecoderFunctions_SHN },
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154 #endif
110
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155
163
b6d6f994e970 Moved MIDI decoder to end of array. Fixed Sound_SetError() so that it
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156 #if (defined SOUND_SUPPORTS_FLAC)
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157 { 0, &__Sound_DecoderFunctions_FLAC },
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158 #endif
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diff changeset
159
110
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diff changeset
160 #if (defined SOUND_SUPPORTS_MIDI)
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161 { 0, &__Sound_DecoderFunctions_MIDI },
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162 #endif
118
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163
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164 { 0, NULL }
4
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165 };
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166
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167
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168
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169 /* General SDL_sound state ... */
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170
219
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171 typedef struct __SOUND_ERRMSGTYPE__
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172 {
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173 Uint32 tid;
237
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diff changeset
174 int error_available;
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175 char error_string[128];
219
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176 struct __SOUND_ERRMSGTYPE__ *next;
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177 } ErrMsg;
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178
237
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diff changeset
179 static ErrMsg *error_msgs = NULL;
219
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180 static SDL_mutex *errorlist_mutex = NULL;
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diff changeset
181
237
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182 static Sound_Sample *sample_list = NULL; /* this is a linked list. */
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183 static SDL_mutex *samplelist_mutex = NULL;
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184
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185 static const Sound_DecoderInfo **available_decoders = NULL;
219
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diff changeset
186 static int initialized = 0;
4
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187
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188
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189 /* functions ... */
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190
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191 void Sound_GetLinkedVersion(Sound_Version *ver)
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192 {
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193 if (ver != NULL)
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194 {
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195 ver->major = SOUND_VER_MAJOR;
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196 ver->minor = SOUND_VER_MINOR;
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Ryan C. Gordon <icculus@icculus.org>
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197 ver->patch = SOUND_VER_PATCH;
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Ryan C. Gordon <icculus@icculus.org>
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198 } /* if */
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Ryan C. Gordon <icculus@icculus.org>
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199 } /* Sound_GetLinkedVersion */
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200
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201
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202 int Sound_Init(void)
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203 {
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204 size_t i;
48
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205 size_t pos = 0;
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206 size_t total = sizeof (decoders) / sizeof (decoders[0]);
4
341cea3e13c6 Initial add.
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207 BAIL_IF_MACRO(initialized, ERR_IS_INITIALIZED, 0);
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
208
237
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209 sample_list = NULL;
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diff changeset
210 error_msgs = NULL;
4
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211
341cea3e13c6 Initial add.
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212 available_decoders = (const Sound_DecoderInfo **)
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
213 malloc((total) * sizeof (Sound_DecoderInfo *));
4
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214 BAIL_IF_MACRO(available_decoders == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
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diff changeset
215
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
216 SDL_Init(SDL_INIT_AUDIO);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
217
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
218 errorlist_mutex = SDL_CreateMutex();
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diff changeset
219
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
220 for (i = 0; decoders[i].funcs != NULL; i++)
48
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diff changeset
221 {
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diff changeset
222 decoders[i].available = decoders[i].funcs->init();
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diff changeset
223 if (decoders[i].available)
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diff changeset
224 {
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diff changeset
225 available_decoders[pos] = &(decoders[i].funcs->info);
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diff changeset
226 pos++;
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
227 } /* if */
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diff changeset
228 } /* for */
4
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229
48
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diff changeset
230 available_decoders[pos] = NULL;
26
ddc3614c9042 Bugfix (thanks Tsuyoshi Iguchi!), and Ogg Vorbis decoder entry.
Ryan C. Gordon <icculus@icculus.org>
parents: 20
diff changeset
231
4
341cea3e13c6 Initial add.
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232 initialized = 1;
341cea3e13c6 Initial add.
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233 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
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234 } /* Sound_Init */
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parents:
diff changeset
235
341cea3e13c6 Initial add.
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diff changeset
236
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Ryan C. Gordon <icculus@icculus.org>
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237 int Sound_Quit(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
239 ErrMsg *err;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
240 ErrMsg *nexterr = NULL;
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
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diff changeset
241 size_t i;
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
242
4
341cea3e13c6 Initial add.
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diff changeset
243 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
245 while (((volatile Sound_Sample *) sample_list) != NULL)
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diff changeset
246 Sound_FreeSample(sample_list);
4
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diff changeset
247
237
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diff changeset
248 initialized = 0;
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diff changeset
249
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
250 SDL_DestroyMutex(samplelist_mutex);
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diff changeset
251 samplelist_mutex = NULL;
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diff changeset
252 sample_list = NULL;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
253
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
254 for (i = 0; decoders[i].funcs != NULL; i++)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
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diff changeset
255 {
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
256 if (decoders[i].available)
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
257 {
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
258 decoders[i].funcs->quit();
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diff changeset
259 decoders[i].available = 0;
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diff changeset
260 } /* if */
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diff changeset
261 } /* for */
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diff changeset
262
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
263 if (available_decoders != NULL)
80
25ee62c6b333 Fixed a const complaint from Visual C++ 6.0.
Ryan C. Gordon <icculus@icculus.org>
parents: 62
diff changeset
264 free((void *) available_decoders);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265 available_decoders = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
266
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
267 /* clean up error state for each thread... */
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parents: 216
diff changeset
268 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
269 for (err = error_msgs; err != NULL; err = nexterr)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
270 {
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parents: 216
diff changeset
271 nexterr = err->next;
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parents: 216
diff changeset
272 free(err);
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parents: 216
diff changeset
273 } /* for */
237
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diff changeset
274 error_msgs = NULL;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
275 SDL_UnlockMutex(errorlist_mutex);
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diff changeset
276 SDL_DestroyMutex(errorlist_mutex);
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diff changeset
277 errorlist_mutex = NULL;
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parents: 216
diff changeset
278
4
341cea3e13c6 Initial add.
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diff changeset
279 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
280 } /* Sound_Quit */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
281
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
283 const Sound_DecoderInfo **Sound_AvailableDecoders(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
284 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
285 return(available_decoders); /* READ. ONLY. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
286 } /* Sound_AvailableDecoders */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287
341cea3e13c6 Initial add.
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parents:
diff changeset
288
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
289 static ErrMsg *findErrorForCurrentThread(void)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
290 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
291 ErrMsg *i;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
292 Uint32 tid;
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Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
293
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
294 if (error_msgs != NULL)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
295 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
296 tid = SDL_ThreadID();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
297
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
298 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
299 for (i = error_msgs; i != NULL; i = i->next)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
300 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
301 if (i->tid == tid)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
302 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
303 SDL_UnlockMutex(errorlist_mutex);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
304 return(i);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
305 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
306 } /* for */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
307 SDL_UnlockMutex(errorlist_mutex);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
308 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
309
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
310 return(NULL); /* no error available. */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
311 } /* findErrorForCurrentThread */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
312
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
313
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
314 const char *Sound_GetError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
315 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
316 const char *retval = NULL;
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
317 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
318
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
319 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
320 return(ERR_NOT_INITIALIZED);
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
321
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
322 err = findErrorForCurrentThread();
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
323 if ((err != NULL) && (err->error_available))
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
324 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
325 retval = err->error_string;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
326 err->error_available = 0;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
327 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
328
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
329 return(retval);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
330 } /* Sound_GetError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
331
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
332
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
333 void Sound_ClearError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
334 {
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
335 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
336
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
337 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
338 return;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
339
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
340 err = findErrorForCurrentThread();
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
341 if (err != NULL)
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
342 err->error_available = 0;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
343 } /* Sound_ClearError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
344
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
345
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
346 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
347 * This is declared in the internal header.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 */
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
349 void __Sound_SetError(const char *str)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
351 ErrMsg *err;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
352
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
353 if (str == NULL)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
354 return;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
355
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
356 SNDDBG(("Sound_SetError(\"%s\");%s\n", str,
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
357 (initialized) ? "" : " [NOT INITIALIZED!]"));
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
358
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
359 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
360 return;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
361
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
362 err = findErrorForCurrentThread();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
363 if (err == NULL)
165
9b26ed9eaf04 Whoops; I should read the code before I change it next time; regressing
Ryan C. Gordon <icculus@icculus.org>
parents: 163
diff changeset
364 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
365 err = (ErrMsg *) malloc(sizeof (ErrMsg));
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
366 if (err == NULL)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
367 return; /* uhh...? */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
368
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
369 memset((void *) err, '\0', sizeof (ErrMsg));
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
370 err->tid = SDL_ThreadID();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
371
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
372 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
373 err->next = error_msgs;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
374 error_msgs = err;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
375 SDL_UnlockMutex(errorlist_mutex);
165
9b26ed9eaf04 Whoops; I should read the code before I change it next time; regressing
Ryan C. Gordon <icculus@icculus.org>
parents: 163
diff changeset
376 } /* if */
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
377
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
378 err->error_available = 1;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
379 strncpy(err->error_string, str, sizeof (err->error_string));
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
380 err->error_string[sizeof (err->error_string) - 1] = '\0';
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
381 } /* __Sound_SetError */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
382
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
383
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
384 Uint32 __Sound_convertMsToBytePos(Sound_AudioInfo *info, Uint32 ms)
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
385 {
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
386 /* "frames" == "sample frames" */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
387 float frames_per_ms = ((float) info->rate) / 1000.0;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
388 Uint32 frame_offset = (Uint32) (frames_per_ms * ((float) ms));
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
389 Uint32 frame_size = (Uint32) ((info->format & 0xFF) / 8) * info->channels;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
390 return(frame_offset * frame_size);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
391 } /* __Sound_convertMsToBytePos */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
392
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
393
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
394 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
395 * -ansi and -pedantic flags prevent use of strcasecmp() on Linux, and
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
396 * I honestly don't want to mess around with figuring out if a given
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
397 * platform has "strcasecmp", "stricmp", or
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
398 * "compare_two_damned_strings_case_insensitive", which I hear is in the
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
399 * next release of Carbon. :) This is exported so decoders may use it if
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
400 * they like.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
401 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
402 int __Sound_strcasecmp(const char *x, const char *y)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
403 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404 int ux, uy;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405
98
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
406 if (x == y) /* same pointer? Both NULL? */
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
407 return(0);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
408
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
409 if (x == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
410 return(-1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
411
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
412 if (y == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
413 return(1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
414
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
415 do
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
416 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
417 ux = toupper((int) *x);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
418 uy = toupper((int) *y);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
419 if (ux > uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
420 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 else if (ux < uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
422 return(-1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
423 x++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
424 y++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
425 } while ((ux) && (uy));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
427 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 } /* __Sound_strcasecmp */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
430
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432 * Allocate a Sound_Sample, and fill in most of its fields. Those that need
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
433 * to be filled in later, by a decoder, will be initialized to zero.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435 static Sound_Sample *alloc_sample(SDL_RWops *rw, Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436 Uint32 bufferSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
437 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
438 Sound_Sample *retval = malloc(sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
439 Sound_SampleInternal *internal = malloc(sizeof (Sound_SampleInternal));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
440 if ((retval == NULL) || (internal == NULL))
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
441 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
442 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
443 if (retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
444 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
445 if (internal)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
446 free(internal);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
447
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
448 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
449 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
450
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
451 memset(retval, '\0', sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
452 memset(internal, '\0', sizeof (Sound_SampleInternal));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
453
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
454 assert(bufferSize > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
455 retval->buffer = malloc(bufferSize); /* pure ugly. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
456 if (!retval->buffer)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
457 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
458 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
459 free(internal);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
460 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
461 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
462 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
463 memset(retval->buffer, '\0', bufferSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
464 retval->buffer_size = bufferSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
465
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
466 if (desired != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
467 memcpy(&retval->desired, desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
468
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
469 internal->rw = rw;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
470 retval->opaque = internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
471 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
472 } /* alloc_sample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
473
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
474
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
475 #if (defined DEBUG_CHATTER)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
476 static __inline__ const char *fmt_to_str(Uint16 fmt)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
477 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
478 switch(fmt)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
479 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
480 case AUDIO_U8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
481 return("U8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
482 case AUDIO_S8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
483 return("S8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
484 case AUDIO_U16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
485 return("U16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
486 case AUDIO_S16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
487 return("S16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
488 case AUDIO_U16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
489 return("U16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
490 case AUDIO_S16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
491 return("S16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
492 } /* switch */
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
493
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
494 return("Unknown");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
495 } /* fmt_to_str */
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
496 #endif
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
497
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
498
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
499 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
500 * The bulk of the Sound_NewSample() work is done here...
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
501 * Ask the specified decoder to handle the data in (rw), and if
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
502 * so, construct the Sound_Sample. Otherwise, try to wind (rw)'s stream
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
503 * back to where it was, and return false.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
504 *
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 * !!! FIXME: This is big, ugly, nasty, and smelly.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
506 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
507 static int init_sample(const Sound_DecoderFunctions *funcs,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
508 Sound_Sample *sample, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
509 Sound_AudioInfo *_desired)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
510 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
511 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
37
f27bcbcaeab1 Added AIFF entry, and (for now) some multiple-streams-in-one-rwops support.
Ryan C. Gordon <icculus@icculus.org>
parents: 26
diff changeset
512 Sound_AudioInfo desired;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513 int pos = SDL_RWtell(internal->rw); /* !!! FIXME: Int? Really? */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515 /* fill in the funcs for this decoder... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
516 sample->decoder = &funcs->info;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
517 internal->funcs = funcs;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
518 if (!funcs->open(sample, ext))
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
519 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
520 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
521 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
522 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
523
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
524 /* success; we've got a decoder! */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
525
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
526 /* Now we need to set up the conversion buffer... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
527
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
528 memcpy(&desired, (_desired != NULL) ? _desired : &sample->actual,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
529 sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
530
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
531 if (Sound_BuildAudioCVT(&internal->sdlcvt,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
532 sample->actual.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
533 sample->actual.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
534 sample->actual.rate,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
535 desired.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
536 desired.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
537 desired.rate) == -1)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
538 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
539 Sound_SetError(SDL_GetError());
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
540 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
541 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
542 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
543 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
544
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
545 if (internal->sdlcvt.len_mult > 1)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
546 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
547 void *rc = realloc(sample->buffer,
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
548 sample->buffer_size * internal->sdlcvt.len_mult);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
549 if (rc == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
550 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
551 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
552 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
553 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
554 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
555
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
556 sample->buffer = rc;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
557 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
558
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
559 /* these pointers are all one and the same. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
560 memcpy(&sample->desired, &desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
561 internal->sdlcvt.buf = internal->buffer = sample->buffer;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
562 internal->buffer_size = sample->buffer_size / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
563 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
564
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
565 /* Prepend our new Sound_Sample to the sample_list... */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
566 SDL_LockMutex(samplelist_mutex);
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
567 internal->next = sample_list;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
568 if (sample_list != NULL)
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
569 ((Sound_SampleInternal *) sample_list->opaque)->prev = sample;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
570 sample_list = sample;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
571 SDL_UnlockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
572
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
573 SNDDBG(("New sample DESIRED format: %s format, %d rate, %d channels.\n",
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
574 fmt_to_str(sample->desired.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
575 sample->desired.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
576 sample->desired.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
577
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
578 SNDDBG(("New sample ACTUAL format: %s format, %d rate, %d channels.\n",
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
579 fmt_to_str(sample->actual.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
580 sample->actual.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
581 sample->actual.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
582
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
583 SNDDBG(("On-the-fly conversion: %s.\n",
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
584 internal->sdlcvt.needed ? "ENABLED" : "DISABLED"));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
585
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
586 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
587 } /* init_sample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
588
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
589
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
590 Sound_Sample *Sound_NewSample(SDL_RWops *rw, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
591 Sound_AudioInfo *desired, Uint32 bSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
592 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
593 Sound_Sample *retval;
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
594 decoder_element *decoder;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
595
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
596 /* sanity checks. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
597 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
598 BAIL_IF_MACRO(rw == NULL, ERR_INVALID_ARGUMENT, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
599
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
600 retval = alloc_sample(rw, desired, bSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
601 if (!retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
602 return(NULL); /* alloc_sample() sets error message... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
603
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
604 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
605 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
606 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
607 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
608 if (decoder->available)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
609 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
610 const char **decoderExt = decoder->funcs->info.extensions;
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
611 while (*decoderExt)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
612 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
613 if (__Sound_strcasecmp(*decoderExt, ext) == 0)
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
614 {
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
615 if (init_sample(decoder->funcs, retval, ext, desired))
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
616 return(retval);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
617 break; /* done with this decoder either way. */
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
618 } /* if */
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
619 decoderExt++;
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
620 } /* while */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
621 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
622 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
623 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
624
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
625 /* no direct extension match? Try everything we've got... */
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
626 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
627 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
628 if (decoder->available)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
629 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
630 int should_try = 1;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
631 const char **decoderExt = decoder->funcs->info.extensions;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
632
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
633 /* skip if we would have tried decoder above... */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
634 while (*decoderExt)
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
635 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
636 if (__Sound_strcasecmp(*decoderExt, ext) == 0)
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
637 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
638 should_try = 0;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
639 break;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
640 } /* if */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
641 decoderExt++;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
642 } /* while */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
643
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
644 if (should_try)
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
645 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
646 if (init_sample(decoder->funcs, retval, ext, desired))
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
647 return(retval);
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
648 } /* if */
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
649 } /* if */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
650 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
651
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
652 /* nothing could handle the sound data... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
653 free(retval->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
654 if (retval->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
655 free(retval->buffer);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
656 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
657 SDL_RWclose(rw);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
658 Sound_SetError(ERR_UNSUPPORTED_FORMAT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
659 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
660 } /* Sound_NewSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
661
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
662
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
663 Sound_Sample *Sound_NewSampleFromFile(const char *filename,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
664 Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
665 Uint32 bufferSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
666 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
667 const char *ext;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
668 SDL_RWops *rw;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
669
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
670 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
671 BAIL_IF_MACRO(filename == NULL, ERR_INVALID_ARGUMENT, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
672
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
673 ext = strrchr(filename, '.');
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
674 rw = SDL_RWFromFile(filename, "rb");
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
675 BAIL_IF_MACRO(rw == NULL, SDL_GetError(), NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
676
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
677 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
678 ext++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
679
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
680 return(Sound_NewSample(rw, ext, desired, bufferSize));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
681 } /* Sound_NewSampleFromFile */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
682
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
683
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
684 void Sound_FreeSample(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
685 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
686 Sound_SampleInternal *internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
687
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
688 if (!initialized)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
689 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
690 Sound_SetError(ERR_NOT_INITIALIZED);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
691 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
692 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
693
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
694 if (sample == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
695 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
696 Sound_SetError(ERR_INVALID_ARGUMENT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
697 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
698 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
699
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
700 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
701
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
702 SDL_LockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
703
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
704 /* update the sample_list... */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
705 if (internal->prev != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
706 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
707 Sound_SampleInternal *prevInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
708 prevInternal = (Sound_SampleInternal *) internal->prev->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
709 prevInternal->next = internal->next;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
710 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
711 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
712 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
713 assert(sample_list == sample);
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
714 sample_list = internal->next;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
715 } /* else */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
716
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
717 if (internal->next != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
718 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
719 Sound_SampleInternal *nextInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
720 nextInternal = (Sound_SampleInternal *) internal->next->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
721 nextInternal->prev = internal->prev;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
722 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
723
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
724 SDL_UnlockMutex(samplelist_mutex);
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
725
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
726 /* nuke it... */
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
727 internal->funcs->close(sample);
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
728
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
729 if (internal->rw != NULL) /* this condition is a "just in case" thing. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
730 SDL_RWclose(internal->rw);
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
731
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
732 if ((internal->buffer != NULL) && (internal->buffer != sample->buffer))
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
733 free(internal->buffer);
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
734
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
735 free(internal);
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
736
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
737 if (sample->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
738 free(sample->buffer);
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
739
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
740 free(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
741 } /* Sound_FreeSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
742
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
743
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
744 int Sound_SetBufferSize(Sound_Sample *sample, Uint32 newSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
745 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
746 void *newBuf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
747 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
748
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
749 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
750 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
751 internal = ((Sound_SampleInternal *) sample->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
752 newBuf = realloc(sample->buffer, newSize * internal->sdlcvt.len_mult);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
753 BAIL_IF_MACRO(newBuf == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
754
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
755 internal->sdlcvt.buf = internal->buffer = sample->buffer = newBuf;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
756 sample->buffer_size = newSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
757 internal->buffer_size = newSize / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
758 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
759
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
760 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
761 } /* Sound_SetBufferSize */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
762
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
763
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
764 Uint32 Sound_Decode(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
765 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
766 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
767 Uint32 retval = 0;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
768
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
769 /* a boatload of sanity checks... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
770 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
771 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
772 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_ERROR, ERR_PREV_ERROR, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
773 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_EOF, ERR_PREV_EOF, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
774
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
775 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
776
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
777 assert(sample->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
778 assert(sample->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
779 assert(internal->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
780 assert(internal->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
781
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
782 /* reset EAGAIN. Decoder can flip it back on if it needs to. */
311
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
783 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
784 retval = internal->funcs->read(sample);
37
f27bcbcaeab1 Added AIFF entry, and (for now) some multiple-streams-in-one-rwops support.
Ryan C. Gordon <icculus@icculus.org>
parents: 26
diff changeset
785
163
b6d6f994e970 Moved MIDI decoder to end of array. Fixed Sound_SetError() so that it
Ryan C. Gordon <icculus@icculus.org>
parents: 157
diff changeset
786 if (retval > 0 && internal->sdlcvt.needed)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
787 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
788 internal->sdlcvt.len = retval;
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
789 Sound_ConvertAudio(&internal->sdlcvt);
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
790 retval = internal->sdlcvt.len_cvt;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
791 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
792
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
793 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
794 } /* Sound_Decode */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
795
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
796
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
797 Uint32 Sound_DecodeAll(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
798 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
799 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
800 void *buf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
801 Uint32 newBufSize = 0;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
802
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
803 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
804 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_EOF, ERR_PREV_EOF, 0);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
805 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_ERROR, ERR_PREV_ERROR, 0);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
806
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
807 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
808
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
809 while ( ((sample->flags & SOUND_SAMPLEFLAG_EOF) == 0) &&
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
810 ((sample->flags & SOUND_SAMPLEFLAG_ERROR) == 0) )
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
811 {
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
812 Uint32 br = Sound_Decode(sample);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
813 void *ptr = realloc(buf, newBufSize + br);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
814 if (ptr == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
815 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
816 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
817 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
818 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
819 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
820 {
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
821 buf = ptr;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
822 memcpy( ((char *) buf) + newBufSize, sample->buffer, br );
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
823 newBufSize += br;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
824 } /* else */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
825 } /* while */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
826
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
827 if (buf == NULL) /* ...in case first call to realloc() fails... */
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
828 return(sample->buffer_size);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
829
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
830 if (internal->buffer != sample->buffer)
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
831 free(internal->buffer);
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
832
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
833 free(sample->buffer);
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
834
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
835 internal->sdlcvt.buf = internal->buffer = sample->buffer = buf;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
836 sample->buffer_size = newBufSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
837 internal->buffer_size = newBufSize / internal->sdlcvt.len_mult;
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
838 internal->sdlcvt.len = internal->buffer_size;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
839
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
840 return(newBufSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
841 } /* Sound_DecodeAll */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
842
223
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
843
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
844 int Sound_Rewind(Sound_Sample *sample)
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
845 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
846 Sound_SampleInternal *internal;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
847 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
848
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
849 internal = (Sound_SampleInternal *) sample->opaque;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
850 if (!internal->funcs->rewind(sample))
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
851 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
852 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
853 return(0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
854 } /* if */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
855
311
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
856 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
857 sample->flags &= ~SOUND_SAMPLEFLAG_ERROR;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
858 sample->flags &= ~SOUND_SAMPLEFLAG_EOF;
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
859
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
860 return(1);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
861 } /* Sound_Rewind */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
862
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
863
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
864 int Sound_Seek(Sound_Sample *sample, Uint32 ms)
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
865 {
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
866 Sound_SampleInternal *internal;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
867
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
868 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
869 if (!(sample->flags & SOUND_SAMPLEFLAG_CANSEEK))
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
870 BAIL_MACRO(ERR_CANNOT_SEEK, 0);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
871
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
872 internal = (Sound_SampleInternal *) sample->opaque;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
873 BAIL_IF_MACRO(!internal->funcs->seek(sample, ms), NULL, 0);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
874
311
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
875 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
876 sample->flags &= ~SOUND_SAMPLEFLAG_ERROR;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
877 sample->flags &= ~SOUND_SAMPLEFLAG_EOF;
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
878
223
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
879 return(1);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
880 } /* Sound_Rewind */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
881
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
882
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
883 /* end of SDL_sound.c ... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
884