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use absolute values for per-chip peaks and zero out when engine not running

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Eknous-P 2025-12-30 00:04:52 +04:00
parent 137e8c7800
commit 192bd8a5ff
1 changed files with 31 additions and 27 deletions
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58
src/engine/playback.cpp
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@ -3401,35 +3401,39 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
oscSize=size;
// get per-chip peaks
float decay=2.f*size/got.rate;
for (int i=0; i<song.systemLen; i++) {
DivDispatch* disp=disCont[i].dispatch;
if (disp==NULL) continue;
for (int j=0; j<disp->getOutputCount(); j++) {
if (disCont[i].bbOut[j]==NULL) continue;
chipPeak[i][j]*=1.0-decay;
float peak=chipPeak[i][j];
for (unsigned int k=0; k<size; k++) {
float out=disCont[i].bbOut[j][k]*song.systemVol[i]*disp->getPostAmp()/32768.0f; // TODO: PARSE PANNING, FRONT/REAR AND PATCHBAY
// switch (j) {
// case 0:
// out*=MIN(1.0f,1.0f-song.systemPan[i])*MIN(1.0f,1.0f+song.systemPanFR[i]);
// break;
// case 1:
// out*=MIN(1.0f,1.0f+song.systemPan[i])*MIN(1.0f,1.0f+song.systemPanFR[i]);
// break;
// case 2:
// out*=MIN(1.0f,1.0f-song.systemPan[i])*MIN(1.0f,1.0f-song.systemPanFR[i]);
// break;
// case 3:
// out*=MIN(1.0f,1.0f+song.systemPan[i])*MIN(1.0f,1.0f-song.systemPanFR[i]);
// break;
// default: break;
// }
if (out>peak) peak=out;
if (isRunning()) {
float decay=2.f*size/got.rate;
for (int i=0; i<song.systemLen; i++) {
DivDispatch* disp=disCont[i].dispatch;
if (disp==NULL) continue;
for (int j=0; j<disp->getOutputCount(); j++) {
if (disCont[i].bbOut[j]==NULL) continue;
chipPeak[i][j]*=1.0-decay;
float peak=chipPeak[i][j];
for (unsigned int k=0; k<size; k++) {
float out=fabs(disCont[i].bbOut[j][k]*song.systemVol[i]*disp->getPostAmp()/32768.0f); // TODO: PARSE PANNING, FRONT/REAR AND PATCHBAY
// switch (j) {
// case 0:
// out*=MIN(1.0f,1.0f-song.systemPan[i])*MIN(1.0f,1.0f+song.systemPanFR[i]);
// break;
// case 1:
// out*=MIN(1.0f,1.0f+song.systemPan[i])*MIN(1.0f,1.0f+song.systemPanFR[i]);
// break;
// case 2:
// out*=MIN(1.0f,1.0f-song.systemPan[i])*MIN(1.0f,1.0f-song.systemPanFR[i]);
// break;
// case 3:
// out*=MIN(1.0f,1.0f+song.systemPan[i])*MIN(1.0f,1.0f-song.systemPanFR[i]);
// break;
// default: break;
// }
if (out>peak) peak=out;
}
chipPeak[i][j]+=(peak-chipPeak[i][j])*0.9;
}
chipPeak[i][j]+=(peak-chipPeak[i][j])*0.9;
}
} else {
memset(chipPeak,0,sizeof(chipPeak));
}
// force mono audio (if enabled)