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IMA DO MY ADPCM

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This commit is contained in:
tildearrow 2024-03-17 15:05:07 -05:00
parent 83e7b2fbb8
commit 229766c478
7 changed files with 30 additions and 10 deletions
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10
src/engine/platform/nds.cpp
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@ -156,7 +156,7 @@ void DivPlatformNDS::tick(bool sysTick) {
if (chan[i].pcm || i<8) {
DivSample* s=parent->getSample(chan[i].sample);
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: ctrl=0x40; break;
case DIV_SAMPLE_DEPTH_IMA_ADPCM: ctrl=0x40; break;
case DIV_SAMPLE_DEPTH_8BIT: ctrl=0x00; break;
case DIV_SAMPLE_DEPTH_16BIT: ctrl=0x20; break;
default: break;
@ -179,7 +179,7 @@ void DivPlatformNDS::tick(bool sysTick) {
}
if (chan[i].audPos>0) {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: start+=chan[i].audPos/2; end-=(chan[i].audPos/8); break;
case DIV_SAMPLE_DEPTH_IMA_ADPCM: start+=chan[i].audPos/2; end-=(chan[i].audPos/8); break;
case DIV_SAMPLE_DEPTH_8BIT: start+=chan[i].audPos; end-=(chan[i].audPos/4); break;
case DIV_SAMPLE_DEPTH_16BIT: start+=chan[i].audPos*2; end-=(chan[i].audPos/2); break;
default: break;
@ -188,8 +188,7 @@ void DivPlatformNDS::tick(bool sysTick) {
if (s->isLoopable()) {
if (chan[i].audPos>0) {
switch (s->depth) {
/*
case DIV_SAMPLE_DEPTH_YMZ_ADPCM:
case DIV_SAMPLE_DEPTH_IMA_ADPCM:
loopStart=(s->loopStart-chan[i].audPos)/8;
loopEnd=(s->loopEnd-s->loopStart)/8;
if (chan[i].audPos>(unsigned int)s->loopStart) {
@ -197,7 +196,6 @@ void DivPlatformNDS::tick(bool sysTick) {
loopEnd-=(chan[i].audPos-s->loopStart)/8;
}
break;
*/
case DIV_SAMPLE_DEPTH_8BIT:
loopStart=(s->loopStart-chan[i].audPos)/4;
loopEnd=(s->loopEnd-s->loopStart)/4;
@ -218,7 +216,7 @@ void DivPlatformNDS::tick(bool sysTick) {
}
} else {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: loopStart=s->loopStart/8; loopEnd=(s->loopEnd-s->loopStart)/8; break;
case DIV_SAMPLE_DEPTH_IMA_ADPCM: loopStart=s->loopStart/8; loopEnd=(s->loopEnd-s->loopStart)/8; break;
case DIV_SAMPLE_DEPTH_8BIT: loopStart=s->loopStart/4; loopEnd=(s->loopEnd-s->loopStart)/4; break;
case DIV_SAMPLE_DEPTH_16BIT: loopStart=s->loopStart/2; loopEnd=(s->loopEnd-s->loopStart)/2; break;
default: break;