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Just figure out how many samples to read, then read it, instead of one-by-one.

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This commit is contained in:
Henrik Rydgard 2016-12-20 21:47:50 +01:00
parent e802fb0b73
commit 6782f7c75d
1 changed files with 8 additions and 1 deletions
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9
Core/HW/SasAudio.cpp
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@ -502,13 +502,20 @@ void SasInstance::MixVoice(SasVoice &voice) {
u32 sampleFrac = voice.sampleFrac;
temp[tempPos++] = voice.resampleHist[0];
temp[tempPos++] = voice.resampleHist[1];
int samplesToRead = 0;
for (int i = delay; i < grainSize; i++) {
while (sampleFrac >= PSP_SAS_PITCH_BASE) {
voice.ReadSamples(&temp[tempPos++], 1);
samplesToRead++;
sampleFrac -= PSP_SAS_PITCH_BASE;
}
sampleFrac += voice.pitch;
}
voice.ReadSamples(&temp[tempPos], samplesToRead);
tempPos += samplesToRead;
if (tempPos - 2 != samplesToRead)
Crash();
sampleFrac = voice.sampleFrac;
for (int i = delay; i < grainSize; i++) {