Mercurial > SDL_sound_CoreAudio

annotate decoders/mikmod.c @ 276:d7d55903124c

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Changed --enable-vorbis to --enable-ogg, made other format tweaks.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 14 Mar 2002 16:16:53 +0000
parents d3dc34315ac7
children c345a40a8a99
rev   line source
207
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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 * Module player for SDL_sound. This driver handles anything MikMod does, and
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22 * is based on SDL_mixer.
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23 *
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24 * Please see the file COPYING in the source's root directory.
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25 *
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26 * This file written by Torbjörn Andersson (d91tan@Update.UU.SE)
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27 */
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28
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29 #if HAVE_CONFIG_H
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30 # include <config.h>
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31 #endif
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32
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33 #ifdef SOUND_SUPPORTS_MIKMOD
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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
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40 #include "SDL_sound.h"
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41
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42 #define __SDL_SOUND_INTERNAL__
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43 #include "SDL_sound_internal.h"
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44
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45 #include "mikmod.h"
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46
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47
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48 static int MIKMOD_init(void);
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49 static void MIKMOD_quit(void);
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50 static int MIKMOD_open(Sound_Sample *sample, const char *ext);
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51 static void MIKMOD_close(Sound_Sample *sample);
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52 static Uint32 MIKMOD_read(Sound_Sample *sample);
221
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53 static int MIKMOD_rewind(Sound_Sample *sample);
207
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54
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55 static const char *extensions_mikmod[] =
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56 {
211
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57 "669", /* Composer 669 */
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58 "AMF", /* DMP Advanced Module Format */
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59 "DSM", /* DSIK internal format */
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60 "FAR", /* Farandole module */
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61 "GDM", /* General DigiMusic module */
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62 "IMF", /* Imago Orpheus module */
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63 "IT", /* Impulse tracker */
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64 "M15", /* 15 instrument MOD / Ultimate Sound Tracker (old M15 format) */
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65 "MED", /* Amiga MED module */
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66 "MOD", /* Generic MOD (Protracker, StarTracker, FastTracker, etc) */
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67 "MTM", /* MTM module */
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68 "OKT", /* Oktalyzer module */
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69 "S3M", /* Screamtracker module */
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70 "STM", /* Screamtracker 2 module */
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71 "STX", /* STMIK 0.2 module */
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72 "ULT", /* Ultratracker module */
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73 "UNI", /* UNIMOD - libmikmod's and APlayer's internal module format */
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74 "XM", /* Fasttracker module */
207
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75 NULL
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76 };
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77
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78 const Sound_DecoderFunctions __Sound_DecoderFunctions_MIKMOD =
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79 {
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80 {
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81 extensions_mikmod,
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82 "Play modules through MikMod",
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83 "Torbjörn Andersson <d91tan@Update.UU.SE>",
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84 "http://www.mikmod.org/"
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85 },
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86
221
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87 MIKMOD_init, /* init() method */
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88 MIKMOD_quit, /* quit() method */
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89 MIKMOD_open, /* open() method */
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90 MIKMOD_close, /* close() method */
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91 MIKMOD_read, /* read() method */
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92 MIKMOD_rewind /* rewind() method */
207
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93 };
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94
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95
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96 /* Make MikMod read from a RWops... */
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97
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98 typedef struct MRWOPSREADER {
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99 MREADER core;
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100 Sound_Sample *sample;
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101 int end;
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102 } MRWOPSREADER;
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103
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104 static BOOL _mm_RWopsReader_eof(MREADER *reader)
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105 {
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106 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
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107 Sound_Sample *sample = rwops_reader->sample;
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108 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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109 int pos = SDL_RWtell(internal->rw);
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110
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111 if (rwops_reader->end == pos)
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112 return(1);
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113
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114 return(0);
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115 } /* _mm_RWopsReader_eof */
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116
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117
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118 static BOOL _mm_RWopsReader_read(MREADER *reader, void *ptr, size_t size)
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119 {
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120 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
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121 Sound_Sample *sample = rwops_reader->sample;
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122 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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123 return(SDL_RWread(internal->rw, ptr, size, 1));
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124 } /* _mm_RWopsReader_Read */
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125
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126
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127 static int _mm_RWopsReader_get(MREADER *reader)
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128 {
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129 char buf;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
130 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
131 Sound_Sample *sample = rwops_reader->sample;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
132 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
133
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
134 if (SDL_RWread(internal->rw, &buf, 1, 1) != 1)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
135 return(EOF);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
136
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
137 return((int) buf);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
138 } /* _mm_RWopsReader_get */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
139
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
140
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
141 static BOOL _mm_RWopsReader_seek(MREADER *reader, long offset, int whence)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
142 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
143 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
144 Sound_Sample *sample = rwops_reader->sample;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
145 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
146
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
147 return(SDL_RWseek(internal->rw, offset, whence));
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
148 } /* _mm_RWopsReader_seek */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
149
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
150
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
151 static long _mm_RWopsReader_tell(MREADER *reader)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
152 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
153 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
154 Sound_Sample *sample = rwops_reader->sample;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
155 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
156
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
157 return(SDL_RWtell(internal->rw));
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
158 } /* _mm_RWopsReader_tell */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
159
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
160
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
161 static MREADER *_mm_new_rwops_reader(Sound_Sample *sample)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
162 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
163 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
164
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
165 MRWOPSREADER *reader = (MRWOPSREADER *) malloc(sizeof (MRWOPSREADER));
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
166 if (reader != NULL)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
167 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
168 int here;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
169 reader->core.Eof = _mm_RWopsReader_eof;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
170 reader->core.Read = _mm_RWopsReader_read;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
171 reader->core.Get = _mm_RWopsReader_get;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
172 reader->core.Seek = _mm_RWopsReader_seek;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
173 reader->core.Tell = _mm_RWopsReader_tell;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
174 reader->sample = sample;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
175
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
176 /* RWops does not explicitly support an eof check, so we shall find
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
177 the end manually - this requires seek support for the RWop */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
178 here = SDL_RWtell(internal->rw);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
179 reader->end = SDL_RWseek(internal->rw, 0, SEEK_END);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
180 SDL_RWseek(internal->rw, here, SEEK_SET); /* Move back */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
181 /* !!! FIXME: What happens if the seek fails? */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
182 } /* if */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
183
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
184 return((MREADER *) reader);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
185 } /* _mm_new_rwops_reader */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
186
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
187
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
188 static void _mm_delete_rwops_reader(MREADER *reader)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
189 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
190 /* SDL_sound will delete the RWops and sample at a higher level... */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
191 if (reader != NULL)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
192 free(reader);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
193 } /* _mm_delete_rwops_reader */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
194
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
195
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
196
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
197 static int MIKMOD_init(void)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
198 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
199 MikMod_RegisterDriver(&drv_nos);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
200 MikMod_RegisterAllLoaders();
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
201
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
202 /*
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
203 * Both DMODE_SOFT_MUSIC and DMODE_16BITS should be set by default,
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
204 * so this is just for clarity. I haven't experimented with any of
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
205 * the other flags. There are a few which are said to give better
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
206 * sound quality.
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
207 */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
208 md_mode |= (DMODE_SOFT_MUSIC | DMODE_16BITS);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
209 md_mixfreq = 0;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
210
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
211 BAIL_IF_MACRO(MikMod_Init(""), MikMod_strerror(MikMod_errno), 0);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
212
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
213 return(1); /* success. */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
214 } /* MIKMOD_init */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
215
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
216
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
217 static void MIKMOD_quit(void)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
218 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
219 MikMod_Exit();
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
220 md_mixfreq = 0;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
221 } /* MIKMOD_quit */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
222
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
223
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
224 static int MIKMOD_open(Sound_Sample *sample, const char *ext)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
225 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
226 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
227 MREADER *reader;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
228 MODULE *module;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
229
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
230 reader = _mm_new_rwops_reader(sample);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
231 BAIL_IF_MACRO(reader == NULL, ERR_OUT_OF_MEMORY, 0);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
232 module = Player_LoadGeneric(reader, 64, 0);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
233 _mm_delete_rwops_reader(reader);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
234 BAIL_IF_MACRO(module == NULL, "MIKMOD: Not a module file.", 0);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
235
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
236 module->extspd = 1;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
237 module->panflag = 1;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 module->wrap = 0;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239 module->loop = 0;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
240
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241 if (md_mixfreq == 0)
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
242 md_mixfreq = (!sample->desired.rate) ? 44100 : sample->desired.rate;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
243
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244 sample->actual.channels = 2;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
245 sample->actual.rate = md_mixfreq;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
246 sample->actual.format = AUDIO_S16SYS;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
247 internal->decoder_private = (void *) module;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
248
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
249 Player_Start(module);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
250 Player_SetPosition(0);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
251
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
252 /* !!! FIXME: A little late to be giving this information... */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
253 sample->flags = SOUND_SAMPLEFLAG_NEEDSEEK;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
254
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255 SNDDBG(("MIKMOD: Name: %s\n", module->songname));
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
256 SNDDBG(("MIKMOD: Type: %s\n", module->modtype));
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
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257 SNDDBG(("MIKMOD: Accepting data stream\n"));
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258
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259 return(1); /* we'll handle this data. */
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260 } /* MIKMOD_open */
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261
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262
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263 static void MIKMOD_close(Sound_Sample *sample)
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264 {
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265 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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266 MODULE *module = (MODULE *) internal->decoder_private;
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267
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268 Player_Free(module);
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269 } /* MIKMOD_close */
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270
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271
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
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272 static Uint32 MIKMOD_read(Sound_Sample *sample)
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273 {
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274 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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275 MODULE *module = (MODULE *) internal->decoder_private;
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276
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277 /* Switch to the current module, stopping any previous one. */
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278 Player_Start(module);
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279 if (!Player_Active())
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280 {
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281 sample->flags |= SOUND_SAMPLEFLAG_EOF;
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282 return(0);
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283 } /* if */
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284 return((Uint32) VC_WriteBytes(internal->buffer, internal->buffer_size));
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285 } /* MIKMOD_read */
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286
221
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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287
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288 static int MIKMOD_rewind(Sound_Sample *sample)
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289 {
231
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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290 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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291 MODULE *module = (MODULE *) internal->decoder_private;
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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292
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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293 Player_Start(module);
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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294 Player_SetPosition(0);
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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295 return(1);
221
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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296 } /* MIKMOD_rewind */
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297
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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298
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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299
207
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300 #endif /* SOUND_SUPPORTS_MIKMOD */
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301
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
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302
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303 /* end of mikmod.c ... */