--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod2wav.c	Fri Sep 28 01:54:23 2012 +0300
@@ -0,0 +1,370 @@
+/*
+ * mod2wav - Render XM/JSSMOD module to WAV waveform file
+ * Programmed and designed by Matti 'ccr' Hamalainen
+ * (C) Copyright 2007 Tecnic Software productions (TNSP)
+ *
+ * Please read file 'COPYING' for information on license and distribution.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "jss.h"
+#include "jssmod.h"
+#include "jssmix.h"
+#include "jssplr.h"
+#include "dmlib.h"
+#include "dmargs.h"
+#include "dmfile.h"
+
+
+#define JSS_WAVE_FORMAT_PCM     (1)
+#define JSS_WAVE_RIFF_ID        "RIFF"
+#define JSS_WAVE_WAVE_ID        "WAVE"
+#define JSS_WAVE_FMT_ID         "fmt "
+#define JSS_WAVE_DATA_ID        "data"
+
+
+typedef struct
+{
+    Uint8     chunkID[4];
+    Uint32    chunkSize;
+} JSSWaveChunk; 
+
+
+typedef struct
+{
+    Uint8     riffID[4];
+    Uint32    fileSize;
+    Uint8     riffType[4];
+
+    JSSWaveChunk chFormat;
+
+    Uint16    wFormatTag;
+    Uint16    nChannels;
+    Uint32    nSamplesPerSec;
+    Uint32    nAvgBytesPerSec;
+    Uint16    nBlockAlign;
+    Uint16    wBitsPerSample;
+
+    JSSWaveChunk chData;
+    // Data follows here
+} JSSWaveFile;
+
+
+char    *srcFilename = NULL, *destFilename = NULL;
+int     optOutFormat = JSS_AUDIO_S16,
+        optOutChannels = 2,
+        optOutFreq = 44100,
+        optMuteOChannels = -1,
+        optStartOrder = -1;
+BOOL    optUsePlayTime = FALSE;
+size_t  optPlayTime;
+
+
+DMOptArg optList[] = {
+    { 0, '?', "help",    "Show this help", OPT_NONE },
+    { 2, 'v', "verbose",    "Be more verbose", OPT_NONE },
+    { 3, '1', "16bit",    "16-bit output", OPT_NONE },
+    { 4, '8', "8bit",    "8-bit output", OPT_NONE },
+    { 5, 'm', "mono",    "Mono output", OPT_NONE },
+    { 6, 's', "stereo",    "Stereo output", OPT_NONE },
+    { 7, 'f', "freq",    "Output frequency", OPT_ARGREQ },
+    { 8, 'M', "mute",    "Mute other channels than #", OPT_ARGREQ },
+    { 9, 'o', "order",    "Start from order #", OPT_ARGREQ },
+    {10, 't', "time",    "Play for # seconds", OPT_ARGREQ },
+//    {10, 'l', "loop",    "Loop for # times", OPT_ARGREQ },
+};
+
+const int optListN = sizeof(optList) / sizeof(optList[0]);
+
+
+BOOL argHandleOpt(const int optN, char *optArg, char *currArg)
+{
+    (void) optArg;
+    
+    switch (optN) {
+    case 0:
+        dmPrintBanner(stdout, dmProgName,
+            "[options] [sourcefile] [destfile]");
+            
+        dmArgsPrintHelp(stdout, optList, optListN);
+        exit(0);
+        break;
+
+    case 2:
+        dmVerbosity++;
+        break;
+    
+    case 3:
+        optOutFormat = JSS_AUDIO_S16;
+        break;
+
+    case 4:
+        optOutFormat = JSS_AUDIO_U8;
+        break;
+
+    case 5:
+        optOutChannels = JSS_AUDIO_MONO;
+        break;
+
+    case 6:
+        optOutFormat = JSS_AUDIO_STEREO;
+        break;
+
+    case 7:
+        optOutFreq = atoi(optArg);
+        break;
+
+    case 8:
+        optMuteOChannels = atoi(optArg);
+        break;
+
+    case 9:
+        optStartOrder = atoi(optArg);
+        break;
+
+    case 10:
+        optPlayTime = atoi(optArg);
+        optUsePlayTime = TRUE;
+        break;
+
+    default:
+        dmError("Unknown argument '%s'.\n", currArg);
+        return FALSE;
+    }
+    
+    return TRUE;
+}
+
+
+BOOL argHandleFile(char *currArg)
+{
+    // Was not option argument
+    if (!srcFilename)
+        srcFilename = currArg;
+    else if (!destFilename)
+        destFilename = currArg;
+    else {
+        dmError("Too many filename arguments (only source and dest needed) '%s'\n", currArg);
+        return FALSE;
+    }
+    
+    return TRUE;
+}
+
+
+BOOL jssWriteChunk(FILE * f, JSSWaveChunk *ch)
+{
+    if (!dm_fwrite_str(f, ch->chunkID, 4)) return FALSE;
+    return dm_fwrite_le32(f, ch->chunkSize);
+}
+
+
+void jssMakeChunk(JSSWaveChunk *ch, const char *chunkID, const Uint32 chunkSize)
+{
+    memcpy(&(ch->chunkID), (const void *) chunkID, 4);
+    ch->chunkSize = chunkSize;
+}
+
+
+void jssWriteWAVHeader(FILE *outFile, int sampBits, int sampFreq, int sampChn, size_t sampLen)
+{
+    JSSWaveFile wav;
+    
+    // PCM WAVE chunk
+    jssMakeChunk(&wav.chFormat, JSS_WAVE_FMT_ID, (2 + 2 + 4 + 4 + 2 + 2));
+
+    wav.wFormatTag = JSS_WAVE_FORMAT_PCM;
+    wav.nChannels = sampChn;
+    wav.nSamplesPerSec = sampFreq;
+    wav.nAvgBytesPerSec = (sampBits * sampChn * sampFreq) / 8;
+    wav.nBlockAlign = (sampBits * sampChn) / 8;
+    wav.wBitsPerSample = sampBits;
+
+    // Data chunk
+    jssMakeChunk(&wav.chData, JSS_WAVE_DATA_ID, (sampLen * wav.nBlockAlign));
+
+    // RIFF header
+    memcpy(&wav.riffID, (const void *) JSS_WAVE_RIFF_ID, 4);
+    memcpy(&wav.riffType, (const void *) JSS_WAVE_WAVE_ID, 4);
+    wav.fileSize = ((4 + 4 + 4) + wav.chFormat.chunkSize + wav.chData.chunkSize);
+
+    // Write header
+    dm_fwrite_str(outFile, wav.riffID, sizeof(wav.riffID));
+    dm_fwrite_le32(outFile, wav.fileSize);
+    
+    dm_fwrite_str(outFile, wav.riffType, sizeof(wav.riffType));
+    jssWriteChunk(outFile, &wav.chFormat);
+    
+    dm_fwrite_le16(outFile, wav.wFormatTag);
+    dm_fwrite_le16(outFile, wav.nChannels);
+    dm_fwrite_le32(outFile, wav.nSamplesPerSec);
+    dm_fwrite_le32(outFile, wav.nAvgBytesPerSec);
+    dm_fwrite_le16(outFile, wav.nBlockAlign);
+    dm_fwrite_le16(outFile, wav.wBitsPerSample);
+    
+    jssWriteChunk(outFile, &wav.chData);
+}
+
+
+int main(int argc, char *argv[])
+{
+    FILE *inFile = NULL, *outFile = NULL;
+    JSSModule *m = NULL;
+    JSSMixer *d = NULL;
+    JSSPlayer *p = NULL;
+    int result = -1;
+    size_t bufLen = 1024*4, dataTotal, dataWritten, sampSize;
+    Uint8 *mb = NULL;
+
+    dmInitProg("mod2wav", "XM/JSSMOD to WAV renderer", "0.2", NULL, NULL);
+    dmVerbosity = 1;
+
+    // Parse arguments
+    if (!dmArgsProcess(argc, argv, optList, optListN,
+        argHandleOpt, argHandleFile, TRUE))
+        exit(1);
+
+    // Check arguments
+    if (!srcFilename || !destFilename) {
+        dmError("Input or output file not specified!\n");
+        return 1;
+    }
+    
+    // Initialize miniJSS
+    jssInit();
+    
+    // Open the source file
+    if ((inFile = fopen(srcFilename, "rb")) == NULL) {
+        dmError("Error opening input file '%s'. (%s)\n", srcFilename, strerror(errno));
+        return 2;
+    }
+
+    // Read module file
+#ifdef JSS_SUP_XM
+    result = jssLoadXM(inFile, &m);
+#endif
+    if (result != 0) {
+#ifdef JSS_SUP_JSSMOD
+        Uint8 *buf;
+        size_t bufsize;
+        fseek(inFile, 0L, SEEK_END);
+        bufsize = ftell(inFile);
+        fseek(inFile, 0L, SEEK_SET);
+        buf = dmMalloc(bufsize);
+        if (fread(buf, 1, bufsize, inFile) != bufsize) {
+            dmError("Error reading file!\n");
+            return 2;
+        }
+        result = jssLoadJSSMOD(buf, bufsize, &m);
+#endif
+        if (result != 0) {
+            dmError("Error loading module file: %d\n", result);
+            return 3;
+        }
+    }
+
+    // Open mixer
+    d = jvmInit(optOutFormat, optOutChannels, optOutFreq, JMIX_AUTO);
+    if (!d) {
+        fprintf(stderr, "jvmInit() returned NULL\n");
+        return 4;
+    }
+
+    sampSize = jvmGetSampleSize(d);
+    mb = dmMalloc(bufLen * sampSize);
+    if (!mb) {
+        fprintf(stderr, "Could not allocate mixing buffer\n");
+        return 5;
+    }
+    
+    dmMsg(1, "Using fmt=%d, bits=%d, channels=%d, freq=%d [%d / sample]\n",
+        optOutFormat, jvmGetSampleRes(d), optOutChannels, optOutFreq,
+        sampSize);
+    
+    // Initialize player
+    p = jmpInit(d);
+    if (!p) {
+        fprintf(stderr, "jmpInit() returned NULL\n");
+        return 6;
+    }
+    
+    // Set callback
+    jvmSetCallback(d, jmpExec, p);
+    
+    // Initialize playing
+    jmpSetModule(p, m);
+    if (optStartOrder >= 0) { 
+        dmMsg(1, "Starting from song order #%d\n", optStartOrder);
+    } else
+        optStartOrder = 0;
+    jmpPlayOrder(p, optStartOrder);
+    jvmSetGlobalVol(d, 50);
+    
+    if (optMuteOChannels > 0 && optMuteOChannels <= m->nchannels) {
+        int i;
+        for (i = 0; i < m->nchannels; i++)
+            jvmMute(d, i, TRUE);
+        jvmMute(d, optMuteOChannels - 1, FALSE);
+    }
+    
+    // Open output file
+    if ((outFile = fopen(destFilename, "wb")) == NULL) {
+        dmError("Error opening output file '%s'. (%s)\n", srcFilename, strerror(errno));
+        return 7;
+    }
+
+    // Write initial header
+    jssWriteWAVHeader(outFile, jvmGetSampleRes(d), optOutFreq, optOutChannels, 1024);
+
+    // Render audio data and output to file
+    if (optUsePlayTime)
+        dmMsg(1, "Rendering module (%d seconds) ...\n", optPlayTime);
+    else
+        dmMsg(1, "Rendering module ...\n");
+    
+    optPlayTime *= optOutFreq;
+    dataTotal = 0;
+    dataWritten = 1;
+    while (p->isPlaying && dataWritten > 0)
+    {
+        size_t writeLen = bufLen;
+        if (optUsePlayTime && (writeLen + dataTotal) > optPlayTime)
+            writeLen = optPlayTime - dataTotal;
+        
+        if (writeLen > 0)
+        {
+            jvmRenderAudio(d, mb, writeLen);
+#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+            jssEncodeSample16((Uint16 *)mb, writeLen * optOutChannels, jsampSwapEndianess);
+#endif
+            dataWritten = fwrite(mb, sampSize, writeLen, outFile);
+            if (dataWritten < writeLen)
+            {
+                dmError("Error writing data!\n");
+                fclose(outFile);
+                return 8;
+            }
+            dataTotal += dataWritten;
+        }
+        
+        if (optUsePlayTime && dataTotal >= optPlayTime)
+            break;
+    }
+    
+    // Write the correct header
+    if (fseek(outFile, 0L, SEEK_SET) != 0)
+    {
+        dmError("Error rewinding to header position!\n");
+        return 9;
+    }
+    
+    jssWriteWAVHeader(outFile, jvmGetSampleRes(d), optOutFreq, optOutChannels, dataTotal);
+    
+    // Done!
+    fclose(outFile);
+    jssFreeModule(m);
+    dmMsg(1, "OK.\n");
+    return 0;
+}