annotate SDL_sound.c @ 291:a48e886d456f

Updated.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Mar 2002 21:15:07 +0000
parents 6fe6de401b63
children c97be6e1bd27
rev   line source
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1 /*
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2 * SDL_sound -- An abstract sound format decoding API.
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3 * Copyright (C) 2001 Ryan C. Gordon.
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4 *
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5 * This library is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU Lesser General Public
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7 * License as published by the Free Software Foundation; either
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8 * version 2.1 of the License, or (at your option) any later version.
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9 *
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10 * This library is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Lesser General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Lesser General Public
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16 * License along with this library; if not, write to the Free Software
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17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 */
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19
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20 /**
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21 * This file implements the core API, which is relatively simple.
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22 * The real meat of SDL_sound is in the decoders directory.
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23 *
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24 * Documentation is in SDL_sound.h ... It's verbose, honest. :)
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25 *
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26 * Please see the file COPYING in the source's root directory.
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27 *
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28 * This file written by Ryan C. Gordon. (icculus@clutteredmind.org)
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29 */
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30
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31 #if HAVE_CONFIG_H
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32 # include <config.h>
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33 #endif
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34
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35 #include <stdio.h>
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36 #include <stdlib.h>
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37 #include <string.h>
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38 #include <assert.h>
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39 #include <ctype.h>
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40
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41 #include "SDL.h"
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42 #include "SDL_sound.h"
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43
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44 #define __SDL_SOUND_INTERNAL__
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45 #include "SDL_sound_internal.h"
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46
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47
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48 /* The various decoder drivers... */
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49
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50 #if (defined SOUND_SUPPORTS_SMPEG)
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51 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_SMPEG;
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52 #endif
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53
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54 #if (defined SOUND_SUPPORTS_MPGLIB)
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55 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MPGLIB;
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56 #endif
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57
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58 #if (defined SOUND_SUPPORTS_MIKMOD)
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59 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MIKMOD;
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60 #endif
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61
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62 #if (defined SOUND_SUPPORTS_MODPLUG)
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63 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MODPLUG;
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64 #endif
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65
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66 #if (defined SOUND_SUPPORTS_WAV)
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67 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_WAV;
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68 #endif
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69
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70 #if (defined SOUND_SUPPORTS_AIFF)
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71 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_AIFF;
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72 #endif
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73
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74 #if (defined SOUND_SUPPORTS_AU)
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75 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_AU;
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76 #endif
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77
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78 #if (defined SOUND_SUPPORTS_OGG)
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79 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_OGG;
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80 #endif
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81
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82 #if (defined SOUND_SUPPORTS_VOC)
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83 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_VOC;
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84 #endif
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85
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86 #if (defined SOUND_SUPPORTS_RAW)
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87 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_RAW;
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88 #endif
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89
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90 #if (defined SOUND_SUPPORTS_SHN)
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91 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_SHN;
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92 #endif
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93
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94 #if (defined SOUND_SUPPORTS_MIDI)
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95 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_MIDI;
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96 #endif
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97
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98 #if (defined SOUND_SUPPORTS_FLAC)
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99 extern const Sound_DecoderFunctions __Sound_DecoderFunctions_FLAC;
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100 #endif
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101
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102
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103
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104 typedef struct
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105 {
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106 int available;
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107 const Sound_DecoderFunctions *funcs;
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108 } decoder_element;
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109
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110 static decoder_element decoders[] =
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111 {
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112 #if (defined SOUND_SUPPORTS_SMPEG)
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113 { 0, &__Sound_DecoderFunctions_SMPEG },
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114 #endif
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115
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116 #if (defined SOUND_SUPPORTS_MPGLIB)
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117 { 0, &__Sound_DecoderFunctions_MPGLIB },
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118 #endif
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119
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120 #if (defined SOUND_SUPPORTS_MODPLUG)
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121 { 0, &__Sound_DecoderFunctions_MODPLUG },
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122 #endif
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124 #if (defined SOUND_SUPPORTS_MIKMOD)
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125 { 0, &__Sound_DecoderFunctions_MIKMOD },
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126 #endif
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127
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128 #if (defined SOUND_SUPPORTS_WAV)
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129 { 0, &__Sound_DecoderFunctions_WAV },
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130 #endif
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131
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132 #if (defined SOUND_SUPPORTS_AIFF)
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133 { 0, &__Sound_DecoderFunctions_AIFF },
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134 #endif
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135
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136 #if (defined SOUND_SUPPORTS_AU)
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137 { 0, &__Sound_DecoderFunctions_AU },
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138 #endif
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139
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140 #if (defined SOUND_SUPPORTS_OGG)
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141 { 0, &__Sound_DecoderFunctions_OGG },
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142 #endif
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143
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144 #if (defined SOUND_SUPPORTS_VOC)
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145 { 0, &__Sound_DecoderFunctions_VOC },
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146 #endif
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147
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148 #if (defined SOUND_SUPPORTS_RAW)
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149 { 0, &__Sound_DecoderFunctions_RAW },
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150 #endif
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151
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152 #if (defined SOUND_SUPPORTS_SHN)
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153 { 0, &__Sound_DecoderFunctions_SHN },
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154 #endif
110
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155
163
b6d6f994e970 Moved MIDI decoder to end of array. Fixed Sound_SetError() so that it
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156 #if (defined SOUND_SUPPORTS_FLAC)
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157 { 0, &__Sound_DecoderFunctions_FLAC },
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158 #endif
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diff changeset
159
110
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diff changeset
160 #if (defined SOUND_SUPPORTS_MIDI)
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161 { 0, &__Sound_DecoderFunctions_MIDI },
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162 #endif
118
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163
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164 { 0, NULL }
4
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165 };
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166
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167
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168
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169 /* General SDL_sound state ... */
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170
219
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171 typedef struct __SOUND_ERRMSGTYPE__
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172 {
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173 Uint32 tid;
237
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diff changeset
174 int error_available;
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175 char error_string[128];
219
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176 struct __SOUND_ERRMSGTYPE__ *next;
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177 } ErrMsg;
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178
237
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diff changeset
179 static ErrMsg *error_msgs = NULL;
219
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180 static SDL_mutex *errorlist_mutex = NULL;
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diff changeset
181
237
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182 static Sound_Sample *sample_list = NULL; /* this is a linked list. */
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183 static SDL_mutex *samplelist_mutex = NULL;
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184
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185 static const Sound_DecoderInfo **available_decoders = NULL;
219
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diff changeset
186 static int initialized = 0;
4
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187
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188
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189 /* functions ... */
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190
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191 void Sound_GetLinkedVersion(Sound_Version *ver)
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192 {
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193 if (ver != NULL)
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194 {
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195 ver->major = SOUND_VER_MAJOR;
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196 ver->minor = SOUND_VER_MINOR;
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Ryan C. Gordon <icculus@icculus.org>
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197 ver->patch = SOUND_VER_PATCH;
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Ryan C. Gordon <icculus@icculus.org>
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198 } /* if */
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Ryan C. Gordon <icculus@icculus.org>
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199 } /* Sound_GetLinkedVersion */
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200
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201
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202 int Sound_Init(void)
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203 {
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204 size_t i;
48
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205 size_t pos = 0;
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206 size_t total = sizeof (decoders) / sizeof (decoders[0]);
4
341cea3e13c6 Initial add.
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207 BAIL_IF_MACRO(initialized, ERR_IS_INITIALIZED, 0);
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
208
237
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209 sample_list = NULL;
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diff changeset
210 error_msgs = NULL;
4
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211
341cea3e13c6 Initial add.
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212 available_decoders = (const Sound_DecoderInfo **)
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
213 malloc((total) * sizeof (Sound_DecoderInfo *));
4
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214 BAIL_IF_MACRO(available_decoders == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
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diff changeset
215
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
216 SDL_Init(SDL_INIT_AUDIO);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
217
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
218 errorlist_mutex = SDL_CreateMutex();
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diff changeset
219
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
220 for (i = 0; decoders[i].funcs != NULL; i++)
48
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diff changeset
221 {
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diff changeset
222 decoders[i].available = decoders[i].funcs->init();
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diff changeset
223 if (decoders[i].available)
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diff changeset
224 {
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diff changeset
225 available_decoders[pos] = &(decoders[i].funcs->info);
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diff changeset
226 pos++;
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
227 } /* if */
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diff changeset
228 } /* for */
4
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229
48
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diff changeset
230 available_decoders[pos] = NULL;
26
ddc3614c9042 Bugfix (thanks Tsuyoshi Iguchi!), and Ogg Vorbis decoder entry.
Ryan C. Gordon <icculus@icculus.org>
parents: 20
diff changeset
231
4
341cea3e13c6 Initial add.
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232 initialized = 1;
341cea3e13c6 Initial add.
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233 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
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234 } /* Sound_Init */
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parents:
diff changeset
235
341cea3e13c6 Initial add.
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diff changeset
236
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Ryan C. Gordon <icculus@icculus.org>
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237 int Sound_Quit(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
239 ErrMsg *err;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
240 ErrMsg *nexterr = NULL;
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
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diff changeset
241 size_t i;
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
242
4
341cea3e13c6 Initial add.
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diff changeset
243 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
245 while (((volatile Sound_Sample *) sample_list) != NULL)
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diff changeset
246 Sound_FreeSample(sample_list);
4
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diff changeset
247
237
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diff changeset
248 initialized = 0;
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diff changeset
249
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
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diff changeset
250 SDL_DestroyMutex(samplelist_mutex);
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diff changeset
251 samplelist_mutex = NULL;
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diff changeset
252 sample_list = NULL;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
253
118
fd942c1433f8 Fixed for win32 compile.
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diff changeset
254 for (i = 0; decoders[i].funcs != NULL; i++)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
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diff changeset
255 {
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
256 if (decoders[i].available)
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
257 {
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
258 decoders[i].funcs->quit();
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diff changeset
259 decoders[i].available = 0;
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diff changeset
260 } /* if */
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diff changeset
261 } /* for */
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diff changeset
262
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
263 if (available_decoders != NULL)
80
25ee62c6b333 Fixed a const complaint from Visual C++ 6.0.
Ryan C. Gordon <icculus@icculus.org>
parents: 62
diff changeset
264 free((void *) available_decoders);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265 available_decoders = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
266
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
267 /* clean up error state for each thread... */
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parents: 216
diff changeset
268 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
269 for (err = error_msgs; err != NULL; err = nexterr)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
270 {
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parents: 216
diff changeset
271 nexterr = err->next;
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parents: 216
diff changeset
272 free(err);
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parents: 216
diff changeset
273 } /* for */
237
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diff changeset
274 error_msgs = NULL;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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diff changeset
275 SDL_UnlockMutex(errorlist_mutex);
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diff changeset
276 SDL_DestroyMutex(errorlist_mutex);
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diff changeset
277 errorlist_mutex = NULL;
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parents: 216
diff changeset
278
4
341cea3e13c6 Initial add.
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diff changeset
279 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
280 } /* Sound_Quit */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
281
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
283 const Sound_DecoderInfo **Sound_AvailableDecoders(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
284 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
285 return(available_decoders); /* READ. ONLY. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
286 } /* Sound_AvailableDecoders */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287
341cea3e13c6 Initial add.
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parents:
diff changeset
288
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
289 static ErrMsg *findErrorForCurrentThread(void)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
290 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
291 ErrMsg *i;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
292 Uint32 tid;
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Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
293
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
294 if (error_msgs != NULL)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
295 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
296 tid = SDL_ThreadID();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
297
ca3483f4cfec Error message management now keeps state per-thread, and does not use
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parents: 216
diff changeset
298 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
299 for (i = error_msgs; i != NULL; i = i->next)
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
300 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
301 if (i->tid == tid)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
302 {
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
303 SDL_UnlockMutex(errorlist_mutex);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
304 return(i);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
305 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
306 } /* for */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
307 SDL_UnlockMutex(errorlist_mutex);
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
308 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
309
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
310 return(NULL); /* no error available. */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
311 } /* findErrorForCurrentThread */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
312
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
313
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
314 const char *Sound_GetError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
315 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
316 const char *retval = NULL;
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
317 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
318
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
319 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
320 return(ERR_NOT_INITIALIZED);
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
321
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
322 err = findErrorForCurrentThread();
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
323 if ((err != NULL) && (err->error_available))
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
324 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
325 retval = err->error_string;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
326 err->error_available = 0;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
327 } /* if */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
328
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
329 return(retval);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
330 } /* Sound_GetError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
331
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
332
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
333 void Sound_ClearError(void)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
334 {
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
335 ErrMsg *err;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
336
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
337 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
338 return;
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
339
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
340 err = findErrorForCurrentThread();
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
341 if (err != NULL)
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
342 err->error_available = 0;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
343 } /* Sound_ClearError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
344
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
345
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
346 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
347 * This is declared in the internal header.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 */
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
349 void Sound_SetError(const char *str)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
351 ErrMsg *err;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
352
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
353 if (str == NULL)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
354 return;
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
355
226
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
356 SNDDBG(("Sound_SetError(\"%s\");%s\n", str,
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
357 (initialized) ? "" : " [NOT INITIALIZED!]"));
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
358
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
359 if (!initialized)
57e16a6d244f Fixed an incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 223
diff changeset
360 return;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
361
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
362 err = findErrorForCurrentThread();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
363 if (err == NULL)
165
9b26ed9eaf04 Whoops; I should read the code before I change it next time; regressing
Ryan C. Gordon <icculus@icculus.org>
parents: 163
diff changeset
364 {
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
365 err = (ErrMsg *) malloc(sizeof (ErrMsg));
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
366 if (err == NULL)
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
367 return; /* uhh...? */
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
368
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
369 memset((void *) err, '\0', sizeof (ErrMsg));
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
370 err->tid = SDL_ThreadID();
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
371
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
372 SDL_LockMutex(errorlist_mutex);
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
373 err->next = error_msgs;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
374 error_msgs = err;
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
375 SDL_UnlockMutex(errorlist_mutex);
165
9b26ed9eaf04 Whoops; I should read the code before I change it next time; regressing
Ryan C. Gordon <icculus@icculus.org>
parents: 163
diff changeset
376 } /* if */
219
ca3483f4cfec Error message management now keeps state per-thread, and does not use
Ryan C. Gordon <icculus@icculus.org>
parents: 216
diff changeset
377
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
378 err->error_available = 1;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
379 strncpy(err->error_string, str, sizeof (err->error_string));
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
380 err->error_string[sizeof (err->error_string) - 1] = '\0';
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
381 } /* Sound_SetError */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
382
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
383
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
384 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
385 * -ansi and -pedantic flags prevent use of strcasecmp() on Linux, and
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
386 * 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
387 * platform has "strcasecmp", "stricmp", or
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
388 * "compare_two_damned_strings_case_insensitive", which I hear is in the
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
389 * 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
390 * they like.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
391 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
392 int __Sound_strcasecmp(const char *x, const char *y)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
393 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
394 int ux, uy;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
395
98
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
396 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
397 return(0);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
398
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
399 if (x == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
400 return(-1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
401
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
402 if (y == NULL)
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
403 return(1);
dfdf7b4e05bd Changed __Sound_strcasecmp() to handle NULL strings gracefully.
Ryan C. Gordon <icculus@icculus.org>
parents: 80
diff changeset
404
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405 do
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
406 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
407 ux = toupper((int) *x);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408 uy = toupper((int) *y);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
409 if (ux > uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
410 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
411 else if (ux < uy)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
412 return(-1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
413 x++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
414 y++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
415 } while ((ux) && (uy));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
416
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
417 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
418 } /* __Sound_strcasecmp */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
419
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
420
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
422 * 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
423 * 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
424 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
425 static Sound_Sample *alloc_sample(SDL_RWops *rw, Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426 Uint32 bufferSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
427 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 Sound_Sample *retval = malloc(sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429 Sound_SampleInternal *internal = malloc(sizeof (Sound_SampleInternal));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
430 if ((retval == NULL) || (internal == NULL))
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
433 if (retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435 if (internal)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436 free(internal);
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 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
439 } /* if */
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 memset(retval, '\0', sizeof (Sound_Sample));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
442 memset(internal, '\0', sizeof (Sound_SampleInternal));
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 assert(bufferSize > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
445 retval->buffer = malloc(bufferSize); /* pure ugly. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
446 if (!retval->buffer)
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 free(internal);
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 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
452 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
453 memset(retval->buffer, '\0', bufferSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
454 retval->buffer_size = bufferSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
455
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
456 if (desired != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
457 memcpy(&retval->desired, desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
458
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
459 internal->rw = rw;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
460 retval->opaque = internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
461 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
462 } /* alloc_sample */
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
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
465 #if (defined DEBUG_CHATTER)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
466 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
467 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
468 switch(fmt)
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
469 {
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
470 case AUDIO_U8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
471 return("U8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
472 case AUDIO_S8:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
473 return("S8");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
474 case AUDIO_U16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
475 return("U16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
476 case AUDIO_S16LSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
477 return("S16LSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
478 case AUDIO_U16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
479 return("U16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
480 case AUDIO_S16MSB:
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
481 return("S16MSB");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
482 } /* switch */
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 return("Unknown");
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
485 } /* fmt_to_str */
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
486 #endif
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
487
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
488
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
489 /*
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
490 * The bulk of the Sound_NewSample() work is done here...
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
491 * Ask the specified decoder to handle the data in (rw), and if
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
492 * so, construct the Sound_Sample. Otherwise, try to wind (rw)'s stream
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
493 * back to where it was, and return false.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
494 *
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
495 * !!! FIXME: This is big, ugly, nasty, and smelly.
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
496 */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
497 static int init_sample(const Sound_DecoderFunctions *funcs,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
498 Sound_Sample *sample, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
499 Sound_AudioInfo *_desired)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
500 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
501 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
502 Sound_AudioInfo desired;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
503 int pos = SDL_RWtell(internal->rw); /* !!! FIXME: Int? Really? */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
504
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 /* fill in the funcs for this decoder... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
506 sample->decoder = &funcs->info;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
507 internal->funcs = funcs;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
508 if (!funcs->open(sample, ext))
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
509 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
510 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
511 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
512 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514 /* success; we've got a decoder! */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
516 /* Now we need to set up the conversion buffer... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
517
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
518 memcpy(&desired, (_desired != NULL) ? _desired : &sample->actual,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
519 sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
520
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
521 if (Sound_BuildAudioCVT(&internal->sdlcvt,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
522 sample->actual.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
523 sample->actual.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
524 sample->actual.rate,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
525 desired.format,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
526 desired.channels,
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
527 desired.rate) == -1)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
528 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
529 Sound_SetError(SDL_GetError());
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
530 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
531 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
532 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
533 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
534
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
535 if (internal->sdlcvt.len_mult > 1)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
536 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
537 void *rc = realloc(sample->buffer,
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
538 sample->buffer_size * internal->sdlcvt.len_mult);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
539 if (rc == NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
540 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
541 funcs->close(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
542 SDL_RWseek(internal->rw, pos, SEEK_SET); /* set for next try... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
543 return(0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
544 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
545
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
546 sample->buffer = rc;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
547 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
548
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
549 /* these pointers are all one and the same. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
550 memcpy(&sample->desired, &desired, sizeof (Sound_AudioInfo));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
551 internal->sdlcvt.buf = internal->buffer = sample->buffer;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
552 internal->buffer_size = sample->buffer_size / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
553 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
554
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
555 /* 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
556 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
557 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
558 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
559 ((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
560 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
561 SDL_UnlockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
562
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
563 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
564 fmt_to_str(sample->desired.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
565 sample->desired.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
566 sample->desired.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
567
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
568 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
569 fmt_to_str(sample->actual.format),
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
570 sample->actual.rate,
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
571 sample->actual.channels));
10
cc2c32349380 Some debugging output, and MP3 and VOC entries, added.
Ryan C. Gordon <icculus@icculus.org>
parents: 4
diff changeset
572
62
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
573 SNDDBG(("On-the-fly conversion: %s.\n",
b13fafb976be Changed _D macro to DBGSND.
Ryan C. Gordon <icculus@icculus.org>
parents: 48
diff changeset
574 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
575
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
576 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
577 } /* init_sample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
578
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
579
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
580 Sound_Sample *Sound_NewSample(SDL_RWops *rw, const char *ext,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
581 Sound_AudioInfo *desired, Uint32 bSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
582 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
583 Sound_Sample *retval;
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
584 decoder_element *decoder;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
585
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
586 /* sanity checks. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
587 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
588 BAIL_IF_MACRO(rw == NULL, ERR_INVALID_ARGUMENT, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
589
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
590 retval = alloc_sample(rw, desired, bSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
591 if (!retval)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
592 return(NULL); /* alloc_sample() sets error message... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
593
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
594 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
595 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
596 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
597 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
598 if (decoder->available)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
599 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
600 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
601 while (*decoderExt)
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
602 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
603 if (__Sound_strcasecmp(*decoderExt, ext) == 0)
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
604 {
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
605 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
606 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
607 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
608 } /* if */
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
609 decoderExt++;
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
610 } /* while */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
611 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
612 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
613 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
614
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
615 /* 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
616 for (decoder = &decoders[0]; decoder->funcs != NULL; decoder++)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
617 {
149
1df5c106504e Decoders can now list multiple file extensions.
Ryan C. Gordon <icculus@icculus.org>
parents: 143
diff changeset
618 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
619 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
620 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
621 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
622
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
623 /* 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
624 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
625 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
626 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
627 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
628 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
629 break;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
630 } /* if */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
631 decoderExt++;
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
632 } /* while */
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
633
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
634 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
635 {
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
636 if (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
637 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
638 } /* if */
48
c4b8c39a9798 Individual decoders are now initialized during Sound_Init(), and deinitialized
Ryan C. Gordon <icculus@icculus.org>
parents: 37
diff changeset
639 } /* if */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
640 } /* for */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
641
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
642 /* nothing could handle the sound data... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
643 free(retval->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
644 if (retval->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
645 free(retval->buffer);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
646 free(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
647 SDL_RWclose(rw);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
648 Sound_SetError(ERR_UNSUPPORTED_FORMAT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
649 return(NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
650 } /* Sound_NewSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
651
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
652
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
653 Sound_Sample *Sound_NewSampleFromFile(const char *filename,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
654 Sound_AudioInfo *desired,
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
655 Uint32 bufferSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
656 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
657 const char *ext;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
658 SDL_RWops *rw;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
659
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
660 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
661 BAIL_IF_MACRO(filename == NULL, ERR_INVALID_ARGUMENT, NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
662
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
663 ext = strrchr(filename, '.');
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
664 rw = SDL_RWFromFile(filename, "rb");
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
665 BAIL_IF_MACRO(rw == NULL, SDL_GetError(), NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
666
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
667 if (ext != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
668 ext++;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
669
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
670 return(Sound_NewSample(rw, ext, desired, bufferSize));
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
671 } /* Sound_NewSampleFromFile */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
672
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
673
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
674 void Sound_FreeSample(Sound_Sample *sample)
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_SampleInternal *internal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
677
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
678 if (!initialized)
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 Sound_SetError(ERR_NOT_INITIALIZED);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
681 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
682 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
683
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
684 if (sample == 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 Sound_SetError(ERR_INVALID_ARGUMENT);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
687 return;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
688 } /* if */
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 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
691
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
692 SDL_LockMutex(samplelist_mutex);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
693
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
694 /* update the sample_list... */
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
695 if (internal->prev != NULL)
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 Sound_SampleInternal *prevInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
698 prevInternal = (Sound_SampleInternal *) internal->prev->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
699 prevInternal->next = internal->next;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
700 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
701 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
702 {
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
703 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
704 sample_list = internal->next;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
705 } /* else */
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 (internal->next != 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_SampleInternal *nextInternal;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
710 nextInternal = (Sound_SampleInternal *) internal->next->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
711 nextInternal->prev = internal->prev;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
712 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
713
237
ceadd952319a Increased ModPlug decoder's priority to be above MikMod. Fixed some coding
Ryan C. Gordon <icculus@icculus.org>
parents: 226
diff changeset
714 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
715
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
716 /* 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
717 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
718
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
719 if (internal->rw != NULL) /* this condition is a "just in case" thing. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
720 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
721
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
722 if ((internal->buffer != NULL) && (internal->buffer != sample->buffer))
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
723 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
724
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
725 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
726
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
727 if (sample->buffer != NULL)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
728 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
729
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
730 free(sample);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
731 } /* Sound_FreeSample */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
732
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
733
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
734 int Sound_SetBufferSize(Sound_Sample *sample, Uint32 newSize)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
735 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
736 void *newBuf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
737 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
738
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
739 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
740 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
741 internal = ((Sound_SampleInternal *) sample->opaque);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
742 newBuf = realloc(sample->buffer, newSize * internal->sdlcvt.len_mult);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
743 BAIL_IF_MACRO(newBuf == NULL, ERR_OUT_OF_MEMORY, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
744
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
745 internal->sdlcvt.buf = internal->buffer = sample->buffer = newBuf;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
746 sample->buffer_size = newSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
747 internal->buffer_size = newSize / internal->sdlcvt.len_mult;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
748 internal->sdlcvt.len = internal->buffer_size;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
749
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
750 return(1);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
751 } /* Sound_SetBufferSize */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
752
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
753
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
754 Uint32 Sound_Decode(Sound_Sample *sample)
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 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
757 Uint32 retval = 0;
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 /* a boatload of sanity checks... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
760 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
761 BAIL_IF_MACRO(sample == NULL, ERR_INVALID_ARGUMENT, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
762 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_ERROR, ERR_PREV_ERROR, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
763 BAIL_IF_MACRO(sample->flags & SOUND_SAMPLEFLAG_EOF, ERR_PREV_EOF, 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
764
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
765 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
766
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
767 assert(sample->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
768 assert(sample->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
769 assert(internal->buffer != NULL);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
770 assert(internal->buffer_size > 0);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
771
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
772 /* reset EAGAIN. Decoder can flip it back on if it needs to. */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
773 sample->flags &= !SOUND_SAMPLEFLAG_EAGAIN;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
774 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
775
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
776 if (retval > 0 && internal->sdlcvt.needed)
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
777 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
778 internal->sdlcvt.len = retval;
143
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
779 Sound_ConvertAudio(&internal->sdlcvt);
3e60862fbd76 Start of audio converter work.
Ryan C. Gordon <icculus@icculus.org>
parents: 118
diff changeset
780 retval = internal->sdlcvt.len_cvt;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
781 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
782
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
783 return(retval);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
784 } /* Sound_Decode */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
785
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
786
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
787 Uint32 Sound_DecodeAll(Sound_Sample *sample)
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
788 {
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
789 Sound_SampleInternal *internal = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
790 void *buf = NULL;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
791 Uint32 newBufSize = 0;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
792
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
793 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
794 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
795 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
796
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
797 internal = (Sound_SampleInternal *) sample->opaque;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
798
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
799 while ( ((sample->flags & SOUND_SAMPLEFLAG_EOF) == 0) &&
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
800 ((sample->flags & SOUND_SAMPLEFLAG_ERROR) == 0) )
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
801 {
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
802 Uint32 br = Sound_Decode(sample);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
803 void *ptr = realloc(buf, newBufSize + br);
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
804 if (ptr == NULL)
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 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
807 Sound_SetError(ERR_OUT_OF_MEMORY);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
808 } /* if */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
809 else
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
810 {
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
811 buf = ptr;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
812 memcpy( ((char *) buf) + newBufSize, sample->buffer, br );
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
813 newBufSize += br;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
814 } /* else */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
815 } /* while */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
816
172
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
817 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
818 return(sample->buffer_size);
705dcbf94639 Sound_DecodeAll() is now more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 167
diff changeset
819
167
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
820 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
821 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
822
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
823 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
824
82acaa7107c2 Fixed Sound_DecodeAll(), and made Sound_FreeSample() a little more robust.
Ryan C. Gordon <icculus@icculus.org>
parents: 165
diff changeset
825 internal->sdlcvt.buf = internal->buffer = sample->buffer = buf;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
826 sample->buffer_size = newBufSize;
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
827 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
828 internal->sdlcvt.len = internal->buffer_size;
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
829
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
830 return(newBufSize);
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
831 } /* Sound_DecodeAll */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
832
223
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
833
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
834 int Sound_Rewind(Sound_Sample *sample)
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
835 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
836 Sound_SampleInternal *internal;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
837 BAIL_IF_MACRO(!initialized, ERR_NOT_INITIALIZED, 0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
838
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
839 internal = (Sound_SampleInternal *) sample->opaque;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
840 if (!internal->funcs->rewind(sample))
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
841 {
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
842 sample->flags |= SOUND_SAMPLEFLAG_ERROR;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
843 return(0);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
844 } /* if */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
845
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
846 sample->flags &= !SOUND_SAMPLEFLAG_EAGAIN;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
847 sample->flags &= !SOUND_SAMPLEFLAG_ERROR;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
848 sample->flags &= !SOUND_SAMPLEFLAG_EOF;
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
849 return(1);
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
850 } /* Sound_Rewind */
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
851
249186e31431 Sound_Rewind() support code.
Ryan C. Gordon <icculus@icculus.org>
parents: 219
diff changeset
852
4
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
853 /* end of SDL_sound.c ... */
341cea3e13c6 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
854