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Reduce performance issue

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This commit is contained in:
cam900 2022-08-28 10:50:57 +09:00
parent e3aee980c5
commit 3fcccb52ee
17 changed files with 76 additions and 76 deletions
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24
src/engine/platform/pcmdac.cpp
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@ -56,14 +56,14 @@ void DivPlatformPCMDAC::acquire(short* bufL, short* bufR, size_t start, size_t l
switch (s->loopMode) {
case DIV_SAMPLE_LOOP_FORWARD:
case DIV_SAMPLE_LOOP_PINGPONG:
if (chan.audPos<s->getLoopStartPosition()) {
chan.audPos=s->getLoopStartPosition()+(s->getLoopStartPosition()-chan.audPos);
if (chan.audPos<s->loopStart) {
chan.audPos=s->loopStart+(s->loopStart-chan.audPos);
chan.audDir=false;
}
break;
case DIV_SAMPLE_LOOP_BACKWARD:
if (chan.audPos<s->getLoopStartPosition()) {
chan.audPos=s->getLoopEndPosition()-1-(s->getLoopStartPosition()-chan.audPos);
if (chan.audPos<s->loopStart) {
chan.audPos=s->loopEnd-1-(s->loopStart-chan.audPos);
chan.audDir=true;
}
break;
@ -73,36 +73,36 @@ void DivPlatformPCMDAC::acquire(short* bufL, short* bufR, size_t start, size_t l
}
break;
}
} else if (chan.audPos>=s->getEndPosition()) {
} else if (chan.audPos>=(int)s->samples) {
chan.sample=-1;
}
} else {
if (s->isLoopable()) {
switch (s->loopMode) {
case DIV_SAMPLE_LOOP_FORWARD:
if (chan.audPos>=s->getLoopEndPosition()) {
chan.audPos=(chan.audPos+s->getLoopStartPosition())-s->getLoopEndPosition();
if (chan.audPos>=s->loopEnd) {
chan.audPos=(chan.audPos+s->loopStart)-s->loopEnd;
chan.audDir=false;
}
break;
case DIV_SAMPLE_LOOP_BACKWARD:
case DIV_SAMPLE_LOOP_PINGPONG:
if (chan.audPos>=s->getLoopEndPosition()) {
chan.audPos=s->getLoopEndPosition()-1-(s->getLoopEndPosition()-1-chan.audPos);
if (chan.audPos>=s->loopEnd) {
chan.audPos=s->loopEnd-1-(s->loopEnd-1-chan.audPos);
chan.audDir=true;
}
break;
default:
if (chan.audPos>=s->getEndPosition()) {
if (chan.audPos>=(int)s->samples) {
chan.sample=-1;
}
break;
}
} else if (chan.audPos>=s->getEndPosition()) {
} else if (chan.audPos>=(int)s->samples) {
chan.sample=-1;
}
}
if (chan.audPos>=0 && chan.audPos<s->getEndPosition()) {
if (chan.audPos>=0 && chan.audPos<(int)s->samples) {
output=s->data16[chan.audPos];
}
} else {