cog/Frameworks/GME/vgmplay/vgm2pcm.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "chips/mamedef.h"
#include "stdbool.h"
#include "VGMPlay.h"
#define SAMPLESIZE sizeof(WAVE_16BS)
INLINE int fputBE16(UINT16 Value, FILE* hFile)
{
int RetVal;
int ResVal;
RetVal = fputc((Value & 0xFF00) >> 8, hFile);
RetVal = fputc((Value & 0x00FF) >> 0, hFile);
ResVal = (RetVal != EOF) ? 0x02 : 0x00;
return ResVal;
}
int main(int argc, char *argv[]) {
UINT8 result;
WAVE_16BS *sampleBuffer;
UINT32 bufferedLength;
FILE *outputFile;
void *vgmp;
VGM_PLAYER *p;
if (argc < 3) {
fputs("usage: vgm2pcm vgm_file pcm_file\n", stderr);
return 1;
}
vgmp = VGMPlay_Init();
VGMPlay_Init2(vgmp);
if (!OpenVGMFile(vgmp, argv[1])) {
fprintf(stderr, "vgm2pcm: error: failed to open vgm_file (%s)\n", argv[1]);
return 1;
}
outputFile = fopen(argv[2], "wb");
if (outputFile == NULL) {
fprintf(stderr, "vgm2pcm: error: failed to open pcm_file (%s)\n", argv[2]);
return 1;
}
PlayVGM(vgmp);
p = (VGM_PLAYER *) vgmp;
sampleBuffer = (WAVE_16BS*)malloc(SAMPLESIZE * p->SampleRate);
if (sampleBuffer == NULL) {
fprintf(stderr, "vgm2pcm: error: failed to allocate %u bytes of memory\n", SAMPLESIZE * p->SampleRate);
return 1;
}
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while (!p->EndPlay) {
UINT32 bufferSize = p->SampleRate;
bufferedLength = FillBuffer(vgmp, sampleBuffer, bufferSize);
if (bufferedLength) {
UINT32 numberOfSamples;
UINT32 currentSample;
const UINT16* sampleData;
sampleData = (UINT16*)sampleBuffer;
numberOfSamples = SAMPLESIZE * bufferedLength / 0x02;
for (currentSample = 0x00; currentSample < numberOfSamples; currentSample++) {
fputBE16(sampleData[currentSample], outputFile);
}
}
}
StopVGM(vgmp);
CloseVGMFile(vgmp);
VGMPlay_Deinit(vgmp);
return 0;
}