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1 /*
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2 * mod2wav - Render XM/JSSMOD module to WAV waveform file
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2007 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #include <stdio.h>
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9 #include <string.h>
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10 #include <stdlib.h>
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11 #include <errno.h>
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12 #include "jss.h"
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13 #include "jssmod.h"
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14 #include "jssmix.h"
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15 #include "jssplr.h"
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16 #include "dmlib.h"
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17 #include "dmargs.h"
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18 #include "dmfile.h"
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19
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20
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21 #define JSS_WAVE_FORMAT_PCM (1)
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22 #define JSS_WAVE_RIFF_ID "RIFF"
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23 #define JSS_WAVE_WAVE_ID "WAVE"
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24 #define JSS_WAVE_FMT_ID "fmt "
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25 #define JSS_WAVE_DATA_ID "data"
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26
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27
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28 typedef struct
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29 {
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30 Uint8 chunkID[4];
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31 Uint32 chunkSize;
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32 } JSSWaveChunk;
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33
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34
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35 typedef struct
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36 {
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37 Uint8 riffID[4];
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38 Uint32 fileSize;
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39 Uint8 riffType[4];
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40
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41 JSSWaveChunk chFormat;
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42
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43 Uint16 wFormatTag;
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44 Uint16 nChannels;
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45 Uint32 nSamplesPerSec;
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46 Uint32 nAvgBytesPerSec;
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47 Uint16 nBlockAlign;
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48 Uint16 wBitsPerSample;
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49
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50 JSSWaveChunk chData;
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51 // Data follows here
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52 } JSSWaveFile;
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53
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54
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55 char *srcFilename = NULL, *destFilename = NULL;
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56 int optOutFormat = JSS_AUDIO_S16,
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57 optOutChannels = 2,
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58 optOutFreq = 44100,
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59 optMuteOChannels = -1,
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60 optStartOrder = -1;
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61 BOOL optUsePlayTime = FALSE;
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62 size_t optPlayTime;
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63
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64
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65 DMOptArg optList[] = {
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66 { 0, '?', "help", "Show this help", OPT_NONE },
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67 { 2, 'v', "verbose", "Be more verbose", OPT_NONE },
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68 { 3, '1', "16bit", "16-bit output", OPT_NONE },
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69 { 4, '8', "8bit", "8-bit output", OPT_NONE },
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70 { 5, 'm', "mono", "Mono output", OPT_NONE },
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71 { 6, 's', "stereo", "Stereo output", OPT_NONE },
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72 { 7, 'f', "freq", "Output frequency", OPT_ARGREQ },
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73 { 8, 'M', "mute", "Mute other channels than #", OPT_ARGREQ },
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74 { 9, 'o', "order", "Start from order #", OPT_ARGREQ },
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75 {10, 't', "time", "Play for # seconds", OPT_ARGREQ },
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76 // {10, 'l', "loop", "Loop for # times", OPT_ARGREQ },
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77 };
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78
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79 const int optListN = sizeof(optList) / sizeof(optList[0]);
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80
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81
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82 BOOL argHandleOpt(const int optN, char *optArg, char *currArg)
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83 {
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84 (void) optArg;
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85
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86 switch (optN) {
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87 case 0:
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88 dmPrintBanner(stdout, dmProgName,
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89 "[options] [sourcefile] [destfile]");
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90
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91 dmArgsPrintHelp(stdout, optList, optListN);
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92 exit(0);
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93 break;
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94
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95 case 2:
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96 dmVerbosity++;
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97 break;
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98
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99 case 3:
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100 optOutFormat = JSS_AUDIO_S16;
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101 break;
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102
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103 case 4:
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104 optOutFormat = JSS_AUDIO_U8;
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105 break;
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106
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107 case 5:
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108 optOutChannels = JSS_AUDIO_MONO;
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109 break;
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110
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111 case 6:
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112 optOutFormat = JSS_AUDIO_STEREO;
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113 break;
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114
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115 case 7:
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116 optOutFreq = atoi(optArg);
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117 break;
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118
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119 case 8:
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120 optMuteOChannels = atoi(optArg);
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121 break;
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122
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123 case 9:
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124 optStartOrder = atoi(optArg);
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125 break;
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126
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127 case 10:
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128 optPlayTime = atoi(optArg);
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129 optUsePlayTime = TRUE;
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130 break;
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131
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132 default:
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133 dmError("Unknown argument '%s'.\n", currArg);
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134 return FALSE;
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135 }
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136
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137 return TRUE;
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138 }
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139
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140
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141 BOOL argHandleFile(char *currArg)
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142 {
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143 // Was not option argument
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144 if (!srcFilename)
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145 srcFilename = currArg;
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146 else if (!destFilename)
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147 destFilename = currArg;
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148 else {
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149 dmError("Too many filename arguments (only source and dest needed) '%s'\n", currArg);
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150 return FALSE;
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151 }
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152
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153 return TRUE;
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154 }
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155
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156
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157 BOOL jssWriteChunk(FILE * f, JSSWaveChunk *ch)
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158 {
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159 if (!dm_fwrite_str(f, ch->chunkID, 4)) return FALSE;
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160 return dm_fwrite_le32(f, ch->chunkSize);
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161 }
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162
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163
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164 void jssMakeChunk(JSSWaveChunk *ch, const char *chunkID, const Uint32 chunkSize)
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165 {
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166 memcpy(&(ch->chunkID), (const void *) chunkID, 4);
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167 ch->chunkSize = chunkSize;
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168 }
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169
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170
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171 void jssWriteWAVHeader(FILE *outFile, int sampBits, int sampFreq, int sampChn, size_t sampLen)
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172 {
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173 JSSWaveFile wav;
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174
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175 // PCM WAVE chunk
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176 jssMakeChunk(&wav.chFormat, JSS_WAVE_FMT_ID, (2 + 2 + 4 + 4 + 2 + 2));
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177
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178 wav.wFormatTag = JSS_WAVE_FORMAT_PCM;
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179 wav.nChannels = sampChn;
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180 wav.nSamplesPerSec = sampFreq;
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181 wav.nAvgBytesPerSec = (sampBits * sampChn * sampFreq) / 8;
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182 wav.nBlockAlign = (sampBits * sampChn) / 8;
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183 wav.wBitsPerSample = sampBits;
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184
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185 // Data chunk
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186 jssMakeChunk(&wav.chData, JSS_WAVE_DATA_ID, (sampLen * wav.nBlockAlign));
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187
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188 // RIFF header
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189 memcpy(&wav.riffID, (const void *) JSS_WAVE_RIFF_ID, 4);
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190 memcpy(&wav.riffType, (const void *) JSS_WAVE_WAVE_ID, 4);
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191 wav.fileSize = ((4 + 4 + 4) + wav.chFormat.chunkSize + wav.chData.chunkSize);
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192
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193 // Write header
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194 dm_fwrite_str(outFile, wav.riffID, sizeof(wav.riffID));
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195 dm_fwrite_le32(outFile, wav.fileSize);
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196
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197 dm_fwrite_str(outFile, wav.riffType, sizeof(wav.riffType));
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198 jssWriteChunk(outFile, &wav.chFormat);
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199
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200 dm_fwrite_le16(outFile, wav.wFormatTag);
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201 dm_fwrite_le16(outFile, wav.nChannels);
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202 dm_fwrite_le32(outFile, wav.nSamplesPerSec);
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203 dm_fwrite_le32(outFile, wav.nAvgBytesPerSec);
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204 dm_fwrite_le16(outFile, wav.nBlockAlign);
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205 dm_fwrite_le16(outFile, wav.wBitsPerSample);
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206
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207 jssWriteChunk(outFile, &wav.chData);
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208 }
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209
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210
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211 int main(int argc, char *argv[])
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212 {
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213 FILE *inFile = NULL, *outFile = NULL;
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214 JSSModule *m = NULL;
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215 JSSMixer *d = NULL;
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216 JSSPlayer *p = NULL;
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217 int result = -1;
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218 size_t bufLen = 1024*4, dataTotal, dataWritten, sampSize;
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219 Uint8 *mb = NULL;
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220
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221 dmInitProg("mod2wav", "XM/JSSMOD to WAV renderer", "0.2", NULL, NULL);
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222 dmVerbosity = 1;
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223
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224 // Parse arguments
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225 if (!dmArgsProcess(argc, argv, optList, optListN,
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226 argHandleOpt, argHandleFile, TRUE))
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227 exit(1);
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228
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229 // Check arguments
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230 if (!srcFilename || !destFilename) {
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231 dmError("Input or output file not specified!\n");
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232 return 1;
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233 }
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234
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235 // Initialize miniJSS
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236 jssInit();
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237
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238 // Open the source file
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239 if ((inFile = fopen(srcFilename, "rb")) == NULL) {
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240 dmError("Error opening input file '%s'. (%s)\n", srcFilename, strerror(errno));
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241 return 2;
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242 }
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243
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244 // Read module file
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245 #ifdef JSS_SUP_XM
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246 result = jssLoadXM(inFile, &m);
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247 #endif
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248 if (result != 0) {
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249 #ifdef JSS_SUP_JSSMOD
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250 Uint8 *buf;
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251 size_t bufsize;
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252 fseek(inFile, 0L, SEEK_END);
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253 bufsize = ftell(inFile);
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254 fseek(inFile, 0L, SEEK_SET);
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255 buf = dmMalloc(bufsize);
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256 if (fread(buf, 1, bufsize, inFile) != bufsize) {
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257 dmError("Error reading file!\n");
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258 return 2;
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259 }
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260 result = jssLoadJSSMOD(buf, bufsize, &m);
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261 #endif
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262 if (result != 0) {
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263 dmError("Error loading module file: %d\n", result);
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264 return 3;
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265 }
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266 }
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267
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268 // Open mixer
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269 d = jvmInit(optOutFormat, optOutChannels, optOutFreq, JMIX_AUTO);
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270 if (!d) {
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271 fprintf(stderr, "jvmInit() returned NULL\n");
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272 return 4;
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273 }
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274
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275 sampSize = jvmGetSampleSize(d);
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276 mb = dmMalloc(bufLen * sampSize);
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277 if (!mb) {
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278 fprintf(stderr, "Could not allocate mixing buffer\n");
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279 return 5;
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280 }
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281
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282 dmMsg(1, "Using fmt=%d, bits=%d, channels=%d, freq=%d [%d / sample]\n",
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283 optOutFormat, jvmGetSampleRes(d), optOutChannels, optOutFreq,
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284 sampSize);
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285
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286 // Initialize player
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287 p = jmpInit(d);
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288 if (!p) {
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289 fprintf(stderr, "jmpInit() returned NULL\n");
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290 return 6;
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291 }
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292
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293 // Set callback
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294 jvmSetCallback(d, jmpExec, p);
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295
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296 // Initialize playing
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297 jmpSetModule(p, m);
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298 if (optStartOrder >= 0) {
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299 dmMsg(1, "Starting from song order #%d\n", optStartOrder);
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300 } else
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301 optStartOrder = 0;
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302 jmpPlayOrder(p, optStartOrder);
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303 jvmSetGlobalVol(d, 50);
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304
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305 if (optMuteOChannels > 0 && optMuteOChannels <= m->nchannels) {
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306 int i;
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307 for (i = 0; i < m->nchannels; i++)
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308 jvmMute(d, i, TRUE);
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309 jvmMute(d, optMuteOChannels - 1, FALSE);
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310 }
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311
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312 // Open output file
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313 if ((outFile = fopen(destFilename, "wb")) == NULL) {
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314 dmError("Error opening output file '%s'. (%s)\n", srcFilename, strerror(errno));
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315 return 7;
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316 }
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317
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318 // Write initial header
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319 jssWriteWAVHeader(outFile, jvmGetSampleRes(d), optOutFreq, optOutChannels, 1024);
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320
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321 // Render audio data and output to file
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322 if (optUsePlayTime)
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323 dmMsg(1, "Rendering module (%d seconds) ...\n", optPlayTime);
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324 else
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325 dmMsg(1, "Rendering module ...\n");
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326
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327 optPlayTime *= optOutFreq;
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328 dataTotal = 0;
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329 dataWritten = 1;
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330 while (p->isPlaying && dataWritten > 0)
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331 {
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332 size_t writeLen = bufLen;
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333 if (optUsePlayTime && (writeLen + dataTotal) > optPlayTime)
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334 writeLen = optPlayTime - dataTotal;
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335
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336 if (writeLen > 0)
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337 {
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338 jvmRenderAudio(d, mb, writeLen);
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339 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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340 jssEncodeSample16((Uint16 *)mb, writeLen * optOutChannels, jsampSwapEndianess);
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341 #endif
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342 dataWritten = fwrite(mb, sampSize, writeLen, outFile);
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343 if (dataWritten < writeLen)
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344 {
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345 dmError("Error writing data!\n");
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346 fclose(outFile);
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347 return 8;
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348 }
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349 dataTotal += dataWritten;
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350 }
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351
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352 if (optUsePlayTime && dataTotal >= optPlayTime)
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353 break;
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354 }
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355
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356 // Write the correct header
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357 if (fseek(outFile, 0L, SEEK_SET) != 0)
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358 {
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359 dmError("Error rewinding to header position!\n");
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360 return 9;
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361 }
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362
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363 jssWriteWAVHeader(outFile, jvmGetSampleRes(d), optOutFreq, optOutChannels, dataTotal);
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364
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365 // Done!
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366 fclose(outFile);
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367 jssFreeModule(m);
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368 dmMsg(1, "OK.\n");
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369 return 0;
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370 }
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