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better blip_buf excess strategy

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fixes #133
This commit is contained in:
tildearrow 2022-02-07 21:31:58 -05:00
parent e6201b8390
commit 632f17862e
3 changed files with 24 additions and 8 deletions
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11
src/engine/playback.cpp
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@ -988,6 +988,8 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
}
isBusy.lock();
got.bufsize=size;
if (out!=NULL && ((sPreview.sample>=0 && sPreview.sample<(int)song.sample.size()) || (sPreview.wave>=0 && sPreview.wave<(int)song.wave.size()))) {
unsigned int samp_bbOff=0;
unsigned int prevAvail=blip_samples_avail(samp_bb);
@ -1063,8 +1065,13 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
size_t runtotal[32];
size_t runLeft[32];
size_t runPos[32];
size_t lastAvail[32];
for (int i=0; i<song.systemLen; i++) {
runtotal[i]=blip_clocks_needed(disCont[i].bb[0],size)-blip_samples_avail(disCont[i].bb[0]);
lastAvail[i]=blip_samples_avail(disCont[i].bb[0]);
if (lastAvail[i]>0) {
disCont[i].flush(lastAvail[i]);
}
runtotal[i]=blip_clocks_needed(disCont[i].bb[0],size-lastAvail[i]);
if (runtotal[i]>disCont[i].bbInLen) {
delete disCont[i].bbIn[0];
delete disCont[i].bbIn[1];
@ -1153,7 +1160,7 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
totalProcessed=size-(runLeftG>>MASTER_CLOCK_PREC);
for (int i=0; i<song.systemLen; i++) {
disCont[i].fillBuf(runtotal[i],size);
disCont[i].fillBuf(runtotal[i],lastAvail[i],size-lastAvail[i]);
}
for (int i=0; i<song.systemLen; i++) {