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yay ADPCM-A and QSound work again!

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This commit is contained in:
tildearrow 2022-02-24 16:16:02 -05:00
parent 1e98f0c4a1
commit f7bd06c4eb
6 changed files with 47 additions and 43 deletions
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36
src/engine/engine.cpp
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@ -444,46 +444,45 @@ void DivEngine::renderSamples() {
sPreview.sample=-1;
sPreview.pos=0;
// step 1: render samples
for (int i=0; i<song.sampleLen; i++) {
song.sample[i]->render();
}
/*
// step 3: allocate ADPCM samples
if (adpcmMem==NULL) adpcmMem=new unsigned char[16777216];
// step 2: allocate ADPCM-A samples
if (adpcmAMem==NULL) adpcmAMem=new unsigned char[16777216];
size_t memPos=0;
for (int i=0; i<song.sampleLen; i++) {
DivSample* s=song.sample[i];
if ((memPos&0xf00000)!=((memPos+s->adpcmRendLength)&0xf00000)) {
int paddedLen=(s->lengthA+255)&(~0xff);
if ((memPos&0xf00000)!=((memPos+paddedLen)&0xf00000)) {
memPos=(memPos+0xfffff)&0xf00000;
}
if (memPos>=16777216) {
logW("out of ADPCM memory for sample %d!\n",i);
break;
}
if (memPos+s->adpcmRendLength>=16777216) {
memcpy(adpcmMem+memPos,s->adpcmRendData,16777216-memPos);
if (memPos+paddedLen>=16777216) {
memcpy(adpcmAMem+memPos,s->dataA,16777216-memPos);
logW("out of ADPCM memory for sample %d!\n",i);
} else {
memcpy(adpcmMem+memPos,s->adpcmRendData,s->adpcmRendLength);
memcpy(adpcmAMem+memPos,s->dataA,paddedLen);
}
s->rendOff=memPos;
memPos+=s->adpcmRendLength;
s->offA=memPos;
memPos+=paddedLen;
}
adpcmMemLen=memPos+256;
adpcmAMemLen=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;
int length=s->length8;
if (length>65536-16) {
length=65536-16;
}
if ((memPos&0xff0000)!=((memPos+length)&0xff0000)) {
memPos=(memPos+0xffff)&0xff0000;
@ -494,19 +493,18 @@ void DivEngine::renderSamples() {
}
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);
qsoundMem[(memPos+i)^0x8000]=s->data8[i];
}
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);
qsoundMem[(memPos+i)^0x8000]=s->data8[i];
}
}
s->rendOffQsound=memPos ^ 0x8000;
s->offQSound=memPos^0x8000;
memPos+=length+16;
}
qsoundMemLen=memPos+256;
*/
}
void DivEngine::createNew() {