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Implement QSound support

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This commit is contained in:
Ian Karlsson 2022-02-22 10:01:57 +01:00
parent 721445cf07
commit b3908216f8
17 changed files with 1746 additions and 15 deletions
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40
src/engine/engine.cpp
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@ -597,6 +597,41 @@ void DivEngine::renderSamples() {
memPos+=s->adpcmRendLength;
}
adpcmMemLen=memPos+256;
// step 4: allocate qsound pcm samples
if (qsoundMem==NULL) qsoundMem=new unsigned char[16777216];
memset(qsoundMem, 0, 16777216);
memPos=0;
for (int i=0; i<song.sampleLen; i++) {
DivSample* s=song.sample[i];
int length = s->rendLength;
if(length > 65536-16)
length = 65536-16;
if ((memPos&0xff0000)!=((memPos+length)&0xff0000)) {
memPos=(memPos+0xffff)&0xff0000;
}
if (memPos>=16777216) {
logW("out of QSound PCM memory for sample %d!\n",i);
break;
}
if (memPos+length>=16777216) {
for(unsigned int i=0; i<16777216-(memPos+length); i++)
{
qsoundMem[(memPos + i) ^ 0x8000] = s->rendData[i] >> ((s->depth == 16) ? 8 : 0);
}
logW("out of QSound PCM memory for sample %d!\n",i);
} else {
for(int i=0; i<length; i++)
{
qsoundMem[(memPos + i) ^ 0x8000] = s->rendData[i] >> ((s->depth == 16) ? 8 : 0);
}
}
s->rendOffQsound=memPos ^ 0x8000;
memPos+=length+16;
}
qsoundMemLen=memPos+256;
}
void DivEngine::createNew() {
@ -729,10 +764,11 @@ void* DivEngine::getDispatchChanState(int ch) {
return disCont[dispatchOfChan[ch]].dispatch->getChanState(dispatchChanOfChan[ch]);
}
unsigned char* DivEngine::getRegisterPool(int sys, int& size) {
unsigned char* DivEngine::getRegisterPool(int sys, int& size, int& depth) {
if (sys<0 || sys>=song.systemLen) return NULL;
if (disCont[sys].dispatch==NULL) return NULL;
size=disCont[sys].dispatch->getRegisterPoolSize();
depth=disCont[sys].dispatch->getRegisterPoolDepth();
return disCont[sys].dispatch->getRegisterPool();
}
@ -1887,7 +1923,7 @@ bool DivEngine::addSampleFromFile(const char* path) {
delete[] buf;
sample->rate=si.samplerate;
if (sample->rate<4000) sample->rate=4000;
if (sample->rate>32000) sample->rate=32000;
if (sample->rate>96000) sample->rate=96000;
song.sample.push_back(sample);
song.sampleLen=sampleCount+1;