static void YM3812UpdateResample(INT16* pSoundBuf, INT32 nSegmentEnd)
{
#if defined FBA_DEBUG
if (!DebugSnd_YM3812Initted) bprintf(PRINT_ERROR, _T("YM3812UpdateResample called without init\n"));
#endif
INT32 nSegmentLength = nSegmentEnd;
INT32 nSamplesNeeded = nSegmentEnd * nBurnYM3812SoundRate / nBurnSoundRate + 1;
// bprintf(PRINT_NORMAL, _T(" YM3812 update -> %6i\n", nSegmentLength));
if (nSamplesNeeded < nYM3812Position) {
nSamplesNeeded = nYM3812Position;
}
if (nSegmentLength > nBurnSoundLen) {
nSegmentLength = nBurnSoundLen;
}
nSegmentLength <<= 1;
YM3812Render(nSamplesNeeded);
pYM3812Buffer = pBuffer + 0 * 4096 + 4;
for (INT32 i = (nFractionalPosition & 0xFFFF0000) >> 15; i < nSegmentLength; i += 2, nFractionalPosition += nSampleSize) {
INT16 nSample = INTERPOLATE4PS_16BIT((nFractionalPosition >> 4) & 0x0FFF,
pYM3812Buffer[(nFractionalPosition >> 16) - 3],
pYM3812Buffer[(nFractionalPosition >> 16) - 2],
pYM3812Buffer[(nFractionalPosition >> 16) - 1],
pYM3812Buffer[(nFractionalPosition >> 16) - 0]);
if (bYM3812AddSignal) {
pSoundBuf[i + 0] += nSample;
pSoundBuf[i + 1] += nSample;
} else {
pSoundBuf[i + 0] = nSample;
pSoundBuf[i + 1] = nSample;
}
}
if (nSegmentEnd >= nBurnSoundLen) {
INT32 nExtraSamples = nSamplesNeeded - (nFractionalPosition >> 16);
// bprintf(PRINT_NORMAL, _T(" %6i rendered, %i extra, %i <- %i\n"), nSamplesNeeded, nExtraSamples, nExtraSamples, (nFractionalPosition >> 16) + nExtraSamples - 1);
for (INT32 i = -4; i < nExtraSamples; i++) {
pYM3812Buffer[i] = pYM3812Buffer[(nFractionalPosition >> 16) + i];
}
nFractionalPosition &= 0xFFFF;
nYM3812Position = nExtraSamples;
}
static void YM3812UpdateResample(int nSegmentEnd)
{
short* pSoundBuf = pBurnSoundOut;
int nSegmentLength = nSegmentEnd;
int nSamplesNeeded = nSegmentEnd * nBurnYM3812SoundRate / nBurnSoundRate + 1;
// bprintf(PRINT_NORMAL, _T(" YM3812 update -> %6i\n", nSegmentLength));
if (nSamplesNeeded < nYM3812Position) {
nSamplesNeeded = nYM3812Position;
}
if (nSegmentLength > nBurnSoundLen) {
nSegmentLength = nBurnSoundLen;
}
nSegmentLength <<= 1;
YM3812Render(nSamplesNeeded);
pYM3812Buffer = pBuffer + 0 * 4096 + 4;
for (int i = (nFractionalPosition & 0xFFFF0000) >> 15; i < nSegmentLength; i += 2, nFractionalPosition += nSampleSize) {
pSoundBuf[i + 0] = INTERPOLATE4PS_16BIT((nFractionalPosition >> 4) & 0x0FFF,
pYM3812Buffer[(nFractionalPosition >> 16) - 3],
pYM3812Buffer[(nFractionalPosition >> 16) - 2],
pYM3812Buffer[(nFractionalPosition >> 16) - 1],
pYM3812Buffer[(nFractionalPosition >> 16) - 0]);
pSoundBuf[i + 1] = pSoundBuf[i + 0];
}
if (nSegmentEnd >= nBurnSoundLen) {
int nExtraSamples = nSamplesNeeded - (nFractionalPosition >> 16);
// bprintf(PRINT_NORMAL, _T(" %6i rendered, %i extra, %i <- %i\n"), nSamplesNeeded, nExtraSamples, nExtraSamples, (nFractionalPosition >> 16) + nExtraSamples - 1);
for (int i = -4; i < nExtraSamples; i++) {
pYM3812Buffer[i] = pYM3812Buffer[(nFractionalPosition >> 16) + i];
}
nFractionalPosition &= 0xFFFF;
nYM3812Position = nExtraSamples;
}
