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prevent crash when playing empty sample

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fixes #62
This commit is contained in:
tildearrow 2022-01-24 15:47:39 -05:00
parent c8eeac4f63
commit bd8c06bbb7
5 changed files with 58 additions and 34 deletions
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24
src/engine/platform/amiga.cpp
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@ -10,21 +10,25 @@ void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t le
bufL[h]=0;
bufR[h]=0;
for (int i=0; i<4; i++) {
if (chan[i].sample!=-1) {
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
chan[i].audSub-=AMIGA_DIVIDER;
if (chan[i].audSub<0) {
DivSample* s=parent->song.sample[chan[i].sample];
if (s->depth==8) {
chan[i].audDat=s->rendData[chan[i].audPos++];
} else {
chan[i].audDat=s->rendData[chan[i].audPos++]>>8;
}
if (chan[i].audPos>=s->rendLength || chan[i].audPos>=131071) {
if (s->loopStart>=0 && s->loopStart<=(int)s->rendLength) {
chan[i].audPos=s->loopStart;
if (s->rendLength>0) {
if (s->depth==8) {
chan[i].audDat=s->rendData[chan[i].audPos++];
} else {
chan[i].sample=-1;
chan[i].audDat=s->rendData[chan[i].audPos++]>>8;
}
if (chan[i].audPos>=s->rendLength || chan[i].audPos>=131071) {
if (s->loopStart>=0 && s->loopStart<=(int)s->rendLength) {
chan[i].audPos=s->loopStart;
} else {
chan[i].sample=-1;
}
}
} else {
chan[i].sample=-1;
}
/*if (chan[i].freq<124) {
// ???