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blip_buf clock<rate bug workaround, part 1

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issue #1055
now I gotta think of a strategy for dispatch
This commit is contained in:
tildearrow 2023-04-13 18:11:10 -05:00
parent 5b154c2ddf
commit f1c6cd5097
3 changed files with 31 additions and 8 deletions
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18
src/engine/engine.cpp
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@ -2668,10 +2668,17 @@ void DivEngine::previewSampleNoLock(int sample, int note, int pStart, int pEnd)
if (rate<=0) rate=song.sample[sample]->centerRate;
}
if (rate<100) rate=100;
double rateOrig=rate;
sPreview.rateMul=1;
while (sPreview.rateMul<0x40000000 && rate<got.rate) {
sPreview.rateMul<<=1;
rate*=2.0;
}
blip_set_rates(samp_bb,rate,got.rate);
samp_prevSample=0;
sPreview.rate=rate;
sPreview.rate=rateOrig;
sPreview.pos=(sPreview.pBegin>=0)?sPreview.pBegin:0;
sPreview.posSub=0;
sPreview.sample=sample;
sPreview.wave=-1;
sPreview.dir=false;
@ -2696,10 +2703,17 @@ void DivEngine::previewWaveNoLock(int wave, int note) {
blip_clear(samp_bb);
double rate=song.wave[wave]->len*((song.tuning*0.0625)*pow(2.0,(double)(note+3)/12.0));
if (rate<100) rate=100;
double rateOrig=rate;
sPreview.rateMul=1;
while (sPreview.rateMul<0x40000000 && rate<got.rate) {
sPreview.rateMul<<=1;
rate*=2.0;
}
blip_set_rates(samp_bb,rate,got.rate);
samp_prevSample=0;
sPreview.rate=rate;
sPreview.rate=rateOrig;
sPreview.pos=0;
sPreview.posSub=0;
sPreview.sample=-1;
sPreview.wave=wave;
sPreview.dir=false;