annotate SDL_sound.c @ 341:3466dde3a846

Removed a FIXME.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 22 May 2002 09:27:12 +0000
parents 5a72981b8cba
children cbb15ecf423a
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 #if (defined SOUND_SUPPORTS_QUICKTIME)
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103 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_QuickTime;
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104 #endif
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105
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106 typedef struct
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107 {
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108 int available;
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109 const Sound_DecoderFunctions *funcs;
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110 } decoder_element;
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111
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112 static decoder_element decoders[] =
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113 {
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114 #if (defined SOUND_SUPPORTS_SMPEG)
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115 { 0, &__Sound_DecoderFunctions_SMPEG },
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116 #endif
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117
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118 #if (defined SOUND_SUPPORTS_MPGLIB)
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119 { 0, &__Sound_DecoderFunctions_MPGLIB },
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120 #endif
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121
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122 #if (defined SOUND_SUPPORTS_MODPLUG)
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123 { 0, &__Sound_DecoderFunctions_MODPLUG },
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124 #endif
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125
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126 #if (defined SOUND_SUPPORTS_MIKMOD)
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127 { 0, &__Sound_DecoderFunctions_MIKMOD },
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128 #endif
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129
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130 #if (defined SOUND_SUPPORTS_WAV)
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131 { 0, &__Sound_DecoderFunctions_WAV },
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132 #endif
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133
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134 #if (defined SOUND_SUPPORTS_AIFF)
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135 { 0, &__Sound_DecoderFunctions_AIFF },
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136 #endif
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137
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138 #if (defined SOUND_SUPPORTS_AU)
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139 { 0, &__Sound_DecoderFunctions_AU },
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140 #endif
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141
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142 #if (defined SOUND_SUPPORTS_OGG)
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143 { 0, &__Sound_DecoderFunctions_OGG },
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144 #endif
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145
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146 #if (defined SOUND_SUPPORTS_VOC)
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147 { 0, &__Sound_DecoderFunctions_VOC },
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148 #endif
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149
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150 #if (defined SOUND_SUPPORTS_RAW)
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151 { 0, &__Sound_DecoderFunctions_RAW },
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152 #endif
102
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153
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154 #if (defined SOUND_SUPPORTS_SHN)
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155 { 0, &__Sound_DecoderFunctions_SHN },
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156 #endif
110
5e5adbe0f215 Added Midi decoder.
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157
163
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158 #if (defined SOUND_SUPPORTS_FLAC)
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159 { 0, &__Sound_DecoderFunctions_FLAC },
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160 #endif
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diff changeset
161
110
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162 #if (defined SOUND_SUPPORTS_MIDI)
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163 { 0, &__Sound_DecoderFunctions_MIDI },
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164 #endif
118
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165
322
31cc49d7d0ce MacOS fixes.
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166 #if (defined SOUND_SUPPORTS_QUICKTIME)
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167 { 0, &__Sound_DecoderFunctions_QuickTime },
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168 #endif
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169
118
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170 { 0, NULL }
4
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171 };
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172
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173
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174
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175 /* General SDL_sound state ... */
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176
219
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177 typedef struct __SOUND_ERRMSGTYPE__
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178 {
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179 Uint32 tid;
237
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180 int error_available;
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181 char error_string[128];
219
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182 struct __SOUND_ERRMSGTYPE__ *next;
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183 } ErrMsg;
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diff changeset
184
237
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diff changeset
185 static ErrMsg *error_msgs = NULL;
219
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186 static SDL_mutex *errorlist_mutex = NULL;
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diff changeset
187
237
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188 static Sound_Sample *sample_list = NULL; /* this is a linked list. */
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189 static SDL_mutex *samplelist_mutex = NULL;
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190
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191 static const Sound_DecoderInfo **available_decoders = NULL;
219
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diff changeset
192 static int initialized = 0;
4
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193
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194
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195 /* functions ... */
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196
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197 void Sound_GetLinkedVersion(Sound_Version *ver)
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198 {
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Ryan C. Gordon <icculus@icculus.org>
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199 if (ver != NULL)
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200 {
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
201 ver->major = SOUND_VER_MAJOR;
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Ryan C. Gordon <icculus@icculus.org>
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202 ver->minor = SOUND_VER_MINOR;
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Ryan C. Gordon <icculus@icculus.org>
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203 ver->patch = SOUND_VER_PATCH;
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Ryan C. Gordon <icculus@icculus.org>
parents:
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204 } /* if */
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Ryan C. Gordon <icculus@icculus.org>
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205 } /* Sound_GetLinkedVersion */
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206
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207
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208 int Sound_Init(void)
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209 {
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210 size_t i;
48
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diff changeset
211 size_t pos = 0;
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diff changeset
212 size_t total = sizeof (decoders) / sizeof (decoders[0]);
4
341cea3e13c6 Initial add.
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213 BAIL_IF_MACRO(initialized, ERR_IS_INITIALIZED, 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
214
237
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diff changeset
215 sample_list = NULL;
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diff changeset
216 error_msgs = NULL;
4
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217
341cea3e13c6 Initial add.
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218 available_decoders = (const Sound_DecoderInfo **)
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
219 malloc((total) * sizeof (Sound_DecoderInfo *));
4
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220 BAIL_IF_MACRO(available_decoders == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
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diff changeset
221
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
222 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
223
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
224 errorlist_mutex = SDL_CreateMutex();
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
225
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
226 for (i = 0; decoders[i].funcs != NULL; i++)
48
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diff changeset
227 {
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diff changeset
228 decoders[i].available = decoders[i].funcs->init();
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diff changeset
229 if (decoders[i].available)
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diff changeset
230 {
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diff changeset
231 available_decoders[pos] = &(decoders[i].funcs->info);
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
232 pos++;
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
233 } /* if */
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
234 } /* for */
4
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diff changeset
235
48
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diff changeset
236 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
237
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
238 initialized = 1;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
240 } /* Sound_Init */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241
341cea3e13c6 Initial add.
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diff changeset
242
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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243 int Sound_Quit(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
245 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
246 ErrMsg *nexterr = NULL;
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
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diff changeset
247 size_t i;
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
248
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
249 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
250
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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parents: 226
diff changeset
251 while (((volatile Sound_Sample *) sample_list) != NULL)
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Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
252 Sound_FreeSample(sample_list);
4
341cea3e13c6 Initial add.
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diff changeset
253
237
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diff changeset
254 initialized = 0;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
255
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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parents: 226
diff changeset
256 SDL_DestroyMutex(samplelist_mutex);
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parents: 226
diff changeset
257 samplelist_mutex = NULL;
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diff changeset
258 sample_list = NULL;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
259
118
fd942c1433f8 Fixed for win32 compile.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
260 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
261 {
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
262 if (decoders[i].available)
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
263 {
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
264 decoders[i].funcs->quit();
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
265 decoders[i].available = 0;
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diff changeset
266 } /* if */
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Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
267 } /* for */
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
268
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
269 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
270 free((void *) available_decoders);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
271 available_decoders = NULL;
341cea3e13c6 Initial add.
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parents:
diff changeset
272
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
273 /* clean up error state for each thread... */
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diff changeset
274 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
275 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
276 {
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parents: 216
diff changeset
277 nexterr = err->next;
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parents: 216
diff changeset
278 free(err);
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parents: 216
diff changeset
279 } /* for */
237
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parents: 226
diff changeset
280 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
281 SDL_UnlockMutex(errorlist_mutex);
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Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
282 SDL_DestroyMutex(errorlist_mutex);
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Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
283 errorlist_mutex = NULL;
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parents: 216
diff changeset
284
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
285 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
286 } /* Sound_Quit */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
288
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289 const Sound_DecoderInfo **Sound_AvailableDecoders(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
290 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
291 return(available_decoders); /* READ. ONLY. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
292 } /* Sound_AvailableDecoders */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
293
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
294
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
295 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
296 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
297 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
298 Uint32 tid;
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Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
299
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
300 if (error_msgs != NULL)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
301 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
302 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
303
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
304 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
305 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
306 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
307 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
308 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
309 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
310 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
311 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
312 } /* for */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
313 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
314 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
315
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
316 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
317 } /* findErrorForCurrentThread */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
318
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
319
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
320 const char *Sound_GetError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
321 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
322 const char *retval = NULL;
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
323 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
324
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
325 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
326 return(ERR_NOT_INITIALIZED);
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
327
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
328 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
329 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
330 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
331 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
332 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
333 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
334
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
335 return(retval);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
336 } /* Sound_GetError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
337
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
338
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
339 void Sound_ClearError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
340 {
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
341 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
342
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
343 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
344 return;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
345
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
346 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
347 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
348 err->error_available = 0;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
349 } /* Sound_ClearError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
351
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
352 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
353 * This is declared in the internal header.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
354 */
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
355 void __Sound_SetError(const char *str)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
356 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
357 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
358
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
359 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
360 return;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
361
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
362 SNDDBG(("Sound_SetError(\"%s\");%s\n", str,
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
363 (initialized) ? "" : " [NOT INITIALIZED!]"));
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
364
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
365 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
366 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
367
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
368 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
369 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
370 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
371 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
372 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
373 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
374
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
375 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
376 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
377
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
378 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
379 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
380 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
381 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
382 } /* 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
383
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
384 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
385 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
386 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
387 } /* __Sound_SetError */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
388
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
389
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
390 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
391 {
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
392 /* "frames" == "sample frames" */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
393 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
394 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
395 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
396 return(frame_offset * frame_size);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
397 } /* __Sound_convertMsToBytePos */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
398
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
399
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
400 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
401 * -ansi and -pedantic flags prevent use of strcasecmp() on Linux, and
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
402 * 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
403 * platform has "strcasecmp", "stricmp", or
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404 * "compare_two_damned_strings_case_insensitive", which I hear is in the
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405 * 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
406 * they like.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
407 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408 int __Sound_strcasecmp(const char *x, const char *y)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
409 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
410 int ux, uy;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
411
98
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
412 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
413 return(0);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
414
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
415 if (x == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
416 return(-1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
417
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
418 if (y == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
419 return(1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
420
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 do
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
422 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
423 ux = toupper((int) *x);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
424 uy = toupper((int) *y);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
425 if (ux > uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
427 else if (ux < uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 return(-1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429 x++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
430 y++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431 } while ((ux) && (uy));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
433 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434 } /* __Sound_strcasecmp */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436
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 * 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
439 * 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
440 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
441 static Sound_Sample *alloc_sample(SDL_RWops *rw, Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
442 Uint32 bufferSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
443 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
444 Sound_Sample *retval = malloc(sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
445 Sound_SampleInternal *internal = malloc(sizeof (Sound_SampleInternal));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
446 if ((retval == NULL) || (internal == NULL))
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 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
449 if (retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
450 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
451 if (internal)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
452 free(internal);
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 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
455 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
456
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
457 memset(retval, '\0', sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
458 memset(internal, '\0', sizeof (Sound_SampleInternal));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
459
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
460 assert(bufferSize > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
461 retval->buffer = malloc(bufferSize); /* pure ugly. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
462 if (!retval->buffer)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
463 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
464 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
465 free(internal);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
466 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
467 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
468 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
469 memset(retval->buffer, '\0', bufferSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
470 retval->buffer_size = bufferSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
471
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
472 if (desired != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
473 memcpy(&retval->desired, desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
474
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
475 internal->rw = rw;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
476 retval->opaque = internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
477 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
478 } /* alloc_sample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
479
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
480
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
481 #if (defined DEBUG_CHATTER)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
482 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
483 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
484 switch(fmt)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
485 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
486 case AUDIO_U8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
487 return("U8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
488 case AUDIO_S8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
489 return("S8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
490 case AUDIO_U16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
491 return("U16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
492 case AUDIO_S16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
493 return("S16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
494 case AUDIO_U16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
495 return("U16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
496 case AUDIO_S16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
497 return("S16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
498 } /* switch */
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
499
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
500 return("Unknown");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
501 } /* fmt_to_str */
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
502 #endif
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
503
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
504
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
506 * The bulk of the Sound_NewSample() work is done here...
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
507 * Ask the specified decoder to handle the data in (rw), and if
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
508 * so, construct the Sound_Sample. Otherwise, try to wind (rw)'s stream
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
509 * back to where it was, and return false.
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 * !!! FIXME: This is big, ugly, nasty, and smelly.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
512 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513 static int init_sample(const Sound_DecoderFunctions *funcs,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514 Sound_Sample *sample, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515 Sound_AudioInfo *_desired)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
516 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
517 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
518 Sound_AudioInfo desired;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
519 int pos = SDL_RWtell(internal->rw); /* !!! FIXME: Int? Really? */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
520
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
521 /* fill in the funcs for this decoder... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
522 sample->decoder = &funcs->info;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
523 internal->funcs = funcs;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
524 if (!funcs->open(sample, ext))
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 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
527 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
528 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
529
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
530 /* success; we've got a decoder! */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
531
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
532 /* Now we need to set up the conversion buffer... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
533
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
534 memcpy(&desired, (_desired != NULL) ? _desired : &sample->actual,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
535 sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
536
340
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
537 if (desired.format == 0)
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
538 desired.format = sample->actual.format;
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
539 if (desired.channels == 0)
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
540 desired.channels = sample->actual.channels;
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
541 if (desired.rate == 0)
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
542 desired.rate = sample->actual.rate;
5a72981b8cba Added optional, experimental audio conversion routines by Frank Ranostaj.
Ryan C. Gordon <icculus@icculus.org>
parents: 322
diff changeset
543
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
544 if (Sound_BuildAudioCVT(&internal->sdlcvt,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
545 sample->actual.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
546 sample->actual.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
547 sample->actual.rate,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
548 desired.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
549 desired.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
550 desired.rate) == -1)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
551 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
552 Sound_SetError(SDL_GetError());
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
553 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
554 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
555 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
556 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
557
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
558 if (internal->sdlcvt.len_mult > 1)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
559 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
560 void *rc = realloc(sample->buffer,
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
561 sample->buffer_size * internal->sdlcvt.len_mult);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
562 if (rc == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
563 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
564 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
565 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
566 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
567 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
568
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
569 sample->buffer = rc;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
570 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
571
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
572 /* these pointers are all one and the same. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
573 memcpy(&sample->desired, &desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
574 internal->sdlcvt.buf = internal->buffer = sample->buffer;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
575 internal->buffer_size = sample->buffer_size / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
576 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
577
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
578 /* 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
579 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
580 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
581 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
582 ((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
583 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
584 SDL_UnlockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
585
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
586 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
587 fmt_to_str(sample->desired.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
588 sample->desired.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
589 sample->desired.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
590
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
591 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
592 fmt_to_str(sample->actual.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
593 sample->actual.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
594 sample->actual.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
595
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
596 SNDDBG(("On-the-fly conversion: %s.\n",
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
597 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
598
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
599 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
600 } /* init_sample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
601
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
602
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
603 Sound_Sample *Sound_NewSample(SDL_RWops *rw, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
604 Sound_AudioInfo *desired, Uint32 bSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
605 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
606 Sound_Sample *retval;
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
607 decoder_element *decoder;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
608
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
609 /* sanity checks. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
610 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
611 BAIL_IF_MACRO(rw == NULL, ERR_INVALID_ARGUMENT, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
612
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
613 retval = alloc_sample(rw, desired, bSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
614 if (!retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
615 return(NULL); /* alloc_sample() sets error message... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
616
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
617 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
618 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
619 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
620 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
621 if (decoder->available)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
622 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
623 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
624 while (*decoderExt)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
625 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
626 if (__Sound_strcasecmp(*decoderExt, ext) == 0)
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
627 {
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
628 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
629 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
630 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
631 } /* if */
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
632 decoderExt++;
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
633 } /* while */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
634 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
635 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
636 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
637
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
638 /* 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
639 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
640 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
641 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
642 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
643 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
644 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
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 /* 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
647 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
648 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
649 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
650 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
651 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
652 break;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
653 } /* if */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
654 decoderExt++;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
655 } /* while */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
656
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
657 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
658 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
659 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
660 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
661 } /* if */
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
662 } /* if */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
663 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
664
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
665 /* nothing could handle the sound data... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
666 free(retval->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
667 if (retval->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
668 free(retval->buffer);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
669 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
670 SDL_RWclose(rw);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
671 Sound_SetError(ERR_UNSUPPORTED_FORMAT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
672 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
673 } /* Sound_NewSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
674
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
675
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
676 Sound_Sample *Sound_NewSampleFromFile(const char *filename,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
677 Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
678 Uint32 bufferSize)
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 const char *ext;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
681 SDL_RWops *rw;
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 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
684 BAIL_IF_MACRO(filename == NULL, ERR_INVALID_ARGUMENT, NULL);
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 ext = strrchr(filename, '.');
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
687 rw = SDL_RWFromFile(filename, "rb");
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
688 BAIL_IF_MACRO(rw == NULL, SDL_GetError(), NULL);
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 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
691 ext++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
692
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
693 return(Sound_NewSample(rw, ext, desired, bufferSize));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
694 } /* Sound_NewSampleFromFile */
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
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
697 void Sound_FreeSample(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
698 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
699 Sound_SampleInternal *internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
700
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
701 if (!initialized)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
702 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
703 Sound_SetError(ERR_NOT_INITIALIZED);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
704 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
705 } /* if */
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 if (sample == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
708 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
709 Sound_SetError(ERR_INVALID_ARGUMENT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
710 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
711 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
712
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
713 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
714
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
715 SDL_LockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
716
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
717 /* update the sample_list... */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
718 if (internal->prev != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
719 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
720 Sound_SampleInternal *prevInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
721 prevInternal = (Sound_SampleInternal *) internal->prev->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
722 prevInternal->next = internal->next;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
723 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
724 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
725 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
726 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
727 sample_list = internal->next;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
728 } /* else */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
729
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
730 if (internal->next != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
731 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
732 Sound_SampleInternal *nextInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
733 nextInternal = (Sound_SampleInternal *) internal->next->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
734 nextInternal->prev = internal->prev;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
735 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
736
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
737 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
738
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
739 /* 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
740 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
741
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
742 if (internal->rw != NULL) /* this condition is a "just in case" thing. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
743 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
744
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
745 if ((internal->buffer != NULL) && (internal->buffer != sample->buffer))
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
746 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
747
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
748 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
749
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
750 if (sample->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
751 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
752
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
753 free(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
754 } /* Sound_FreeSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
755
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
756
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
757 int Sound_SetBufferSize(Sound_Sample *sample, Uint32 newSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
758 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
759 void *newBuf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
760 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
761
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
762 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
763 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
764 internal = ((Sound_SampleInternal *) sample->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
765 newBuf = realloc(sample->buffer, newSize * internal->sdlcvt.len_mult);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
766 BAIL_IF_MACRO(newBuf == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
767
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
768 internal->sdlcvt.buf = internal->buffer = sample->buffer = newBuf;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
769 sample->buffer_size = newSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
770 internal->buffer_size = newSize / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
771 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
772
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
773 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
774 } /* Sound_SetBufferSize */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
775
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 Uint32 Sound_Decode(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
778 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
779 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
780 Uint32 retval = 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 /* a boatload of sanity checks... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
783 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
784 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
785 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_ERROR, ERR_PREV_ERROR, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
786 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_EOF, ERR_PREV_EOF, 0);
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 = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
789
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
790 assert(sample->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
791 assert(sample->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
792 assert(internal->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
793 assert(internal->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
794
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
795 /* 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
796 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
797 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
798
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
799 if (retval > 0 && internal->sdlcvt.needed)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
800 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
801 internal->sdlcvt.len = retval;
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
802 Sound_ConvertAudio(&internal->sdlcvt);
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
803 retval = internal->sdlcvt.len_cvt;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
804 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
805
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
806 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
807 } /* Sound_Decode */
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
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
810 Uint32 Sound_DecodeAll(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
811 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
812 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
813 void *buf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
814 Uint32 newBufSize = 0;
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 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
817 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
818 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
819
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
820 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
821
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
822 while ( ((sample->flags & SOUND_SAMPLEFLAG_EOF) == 0) &&
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
823 ((sample->flags & SOUND_SAMPLEFLAG_ERROR) == 0) )
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
824 {
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
825 Uint32 br = Sound_Decode(sample);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
826 void *ptr = realloc(buf, newBufSize + br);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
827 if (ptr == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
828 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
829 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
830 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
831 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
832 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
833 {
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
834 buf = ptr;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
835 memcpy( ((char *) buf) + newBufSize, sample->buffer, br );
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
836 newBufSize += br;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
837 } /* else */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
838 } /* while */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
839
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
840 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
841 return(sample->buffer_size);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
842
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
843 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
844 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
845
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
846 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
847
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
848 internal->sdlcvt.buf = internal->buffer = sample->buffer = buf;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
849 sample->buffer_size = newBufSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
850 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
851 internal->sdlcvt.len = internal->buffer_size;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
852
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
853 return(newBufSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
854 } /* Sound_DecodeAll */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
855
223
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
856
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
857 int Sound_Rewind(Sound_Sample *sample)
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
858 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
859 Sound_SampleInternal *internal;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
860 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
861
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
862 internal = (Sound_SampleInternal *) sample->opaque;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
863 if (!internal->funcs->rewind(sample))
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
864 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
865 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
866 return(0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
867 } /* if */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
868
311
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
869 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
870 sample->flags &= ~SOUND_SAMPLEFLAG_ERROR;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
871 sample->flags &= ~SOUND_SAMPLEFLAG_EOF;
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
872
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
873 return(1);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
874 } /* Sound_Rewind */
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
875
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
876
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
877 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
878 {
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
879 Sound_SampleInternal *internal;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
880
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
881 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
882 if (!(sample->flags & SOUND_SAMPLEFLAG_CANSEEK))
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
883 BAIL_MACRO(ERR_CANNOT_SEEK, 0);
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
884
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
885 internal = (Sound_SampleInternal *) sample->opaque;
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
886 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
887
311
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
888 sample->flags &= ~SOUND_SAMPLEFLAG_EAGAIN;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
889 sample->flags &= ~SOUND_SAMPLEFLAG_ERROR;
d62c05322a3e Logic fixes from Torbj�rn.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
890 sample->flags &= ~SOUND_SAMPLEFLAG_EOF;
306
c97be6e1bd27 Added framework for Sound_Seek() support.
Ryan C. Gordon <icculus@icculus.org>
parents: 262
diff changeset
891
223
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
892 return(1);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
893 } /* Sound_Rewind */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
894
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
895
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
896 /* end of SDL_sound.c ... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
897