annotate decoders/mikmod.c @ 351:069ce624d6cf

FIXME cleanup.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 06 Jun 2002 19:12:13 +0000
parents 498240aa76f1
children 6095d0a52a20
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);
306
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54 static int MIKMOD_seek(Sound_Sample *sample, Uint32 ms);
207
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55
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56 static const char *extensions_mikmod[] =
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57 {
211
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58 "669", /* Composer 669 */
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59 "AMF", /* DMP Advanced Module Format */
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60 "DSM", /* DSIK internal format */
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61 "FAR", /* Farandole module */
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62 "GDM", /* General DigiMusic module */
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63 "IMF", /* Imago Orpheus module */
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64 "IT", /* Impulse tracker */
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65 "M15", /* 15 instrument MOD / Ultimate Sound Tracker (old M15 format) */
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66 "MED", /* Amiga MED module */
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67 "MOD", /* Generic MOD (Protracker, StarTracker, FastTracker, etc) */
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68 "MTM", /* MTM module */
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69 "OKT", /* Oktalyzer module */
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70 "S3M", /* Screamtracker module */
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71 "STM", /* Screamtracker 2 module */
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72 "STX", /* STMIK 0.2 module */
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73 "ULT", /* Ultratracker module */
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74 "UNI", /* UNIMOD - libmikmod's and APlayer's internal module format */
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75 "XM", /* Fasttracker module */
207
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76 NULL
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77 };
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78
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79 const Sound_DecoderFunctions __Sound_DecoderFunctions_MIKMOD =
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80 {
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81 {
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82 extensions_mikmod,
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83 "Play modules through MikMod",
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84 "Torbjörn Andersson <d91tan@Update.UU.SE>",
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85 "http://www.mikmod.org/"
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86 },
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87
221
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88 MIKMOD_init, /* init() method */
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89 MIKMOD_quit, /* quit() method */
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90 MIKMOD_open, /* open() method */
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91 MIKMOD_close, /* close() method */
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92 MIKMOD_read, /* read() method */
306
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93 MIKMOD_rewind, /* rewind() method */
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94 MIKMOD_seek /* seek() method */
207
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95 };
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96
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97
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98 /* Make MikMod read from a RWops... */
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99
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100 typedef struct MRWOPSREADER {
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101 MREADER core;
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102 Sound_Sample *sample;
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103 int end;
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104 } MRWOPSREADER;
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105
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106 static BOOL _mm_RWopsReader_eof(MREADER *reader)
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107 {
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108 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
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109 Sound_Sample *sample = rwops_reader->sample;
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110 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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111 int pos = SDL_RWtell(internal->rw);
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112
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113 if (rwops_reader->end == pos)
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114 return(1);
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115
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116 return(0);
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117 } /* _mm_RWopsReader_eof */
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118
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119
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120 static BOOL _mm_RWopsReader_read(MREADER *reader, void *ptr, size_t size)
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121 {
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122 MRWOPSREADER *rwops_reader = (MRWOPSREADER *) reader;
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123 Sound_Sample *sample = rwops_reader->sample;
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124 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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125 return(SDL_RWread(internal->rw, ptr, size, 1));
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126 } /* _mm_RWopsReader_Read */
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127
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128
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129 static int _mm_RWopsReader_get(MREADER *reader)
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
130 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
131 char buf;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
132 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
133 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
134 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
135
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
136 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
137 return(EOF);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
138
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
139 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
140 } /* _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
141
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 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
144 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
145 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
146 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
147 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
148
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
149 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
150 } /* _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
151
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 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
154 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
155 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
156 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
157 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
158
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
159 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
160 } /* _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
161
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 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
164 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
165 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
166
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
167 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
168 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
169 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
170 int here;
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.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
172 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
173 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
174 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
175 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
176 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
177
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
178 /* 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
179 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
180 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
181 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
182 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
183 /* !!! 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
184 } /* if */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
185
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
186 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
187 } /* _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
188
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 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
191 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
192 /* 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
193 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
194 free(reader);
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
195 } /* _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
196
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
197
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 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
200 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
201 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
202 MikMod_RegisterAllLoaders();
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
203
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
204 /*
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
205 * 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
206 * 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
207 * 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
208 * sound quality.
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
209 */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
210 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
211 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
212
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
213 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
214
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
215 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
216 } /* MIKMOD_init */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
217
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 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
220 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
221 MikMod_Exit();
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
222 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
223 } /* MIKMOD_quit */
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
224
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 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
227 {
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
228 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
229 MREADER *reader;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
230 MODULE *module;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
231
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
232 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
233 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
234 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
235 _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
236 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
237
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 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
239 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
240 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
241 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
242
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
243 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
244 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
245
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.channels = 2;
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
247 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
248 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
249 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
250
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
251 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
252 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
253
312
498240aa76f1 Seek implementations.
Ryan C. Gordon <icculus@icculus.org>
parents: 306
diff changeset
254 sample->flags = SOUND_SAMPLEFLAG_NONE;
207
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255
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: 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
257 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:
diff changeset
258 SNDDBG(("MIKMOD: Accepting data stream\n"));
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259
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260 return(1); /* we'll handle this data. */
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261 } /* MIKMOD_open */
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262
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263
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264 static void MIKMOD_close(Sound_Sample *sample)
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265 {
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266 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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267 MODULE *module = (MODULE *) internal->decoder_private;
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268
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269 Player_Free(module);
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270 } /* MIKMOD_close */
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271
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272
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273 static Uint32 MIKMOD_read(Sound_Sample *sample)
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274 {
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275 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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276 MODULE *module = (MODULE *) internal->decoder_private;
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277
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278 /* Switch to the current module, stopping any previous one. */
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279 Player_Start(module);
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280 if (!Player_Active())
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281 {
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282 sample->flags |= SOUND_SAMPLEFLAG_EOF;
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283 return(0);
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284 } /* if */
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285 return((Uint32) VC_WriteBytes(internal->buffer, internal->buffer_size));
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286 } /* MIKMOD_read */
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287
221
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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288
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289 static int MIKMOD_rewind(Sound_Sample *sample)
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290 {
231
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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291 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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292 MODULE *module = (MODULE *) internal->decoder_private;
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293
d3dc34315ac7 Rewind method implemented by Torbj�rn.
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294 Player_Start(module);
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295 Player_SetPosition(0);
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296 return(1);
221
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297 } /* MIKMOD_rewind */
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298
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299
306
c97be6e1bd27 Added framework for Sound_Seek() support.
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300 static int MIKMOD_seek(Sound_Sample *sample, Uint32 ms)
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301 {
312
498240aa76f1 Seek implementations.
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302 #if 0
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303 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
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304 MODULE *module = (MODULE *) internal->decoder_private;
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305
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306 /*
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307 * Heaven may know what the argument to Player_SetPosition() is.
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308 * I, however, haven't the faintest idea.
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309 */
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310 Player_Start(module);
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311 Player_SetPosition(ms);
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312 return(1);
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313 #else
351
069ce624d6cf FIXME cleanup.
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314 BAIL_MACRO("MIKMOD: Seeking not implemented", 0);
312
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315 #endif
306
c97be6e1bd27 Added framework for Sound_Seek() support.
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316 } /* MIKMOD_seek */
221
c9772a9f5271 Initial implementation or stubs for rewind method. Other cleanups.
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317
207
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318 #endif /* SOUND_SUPPORTS_MIKMOD */
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319
857e53c5a2da Renamed from mod.c (see modplug.c for the OTHER mod decoder).
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320
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321 /* end of mikmod.c ... */