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sample system rewrite! **PLEASE READ**

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this commit mostly rewrites the sample system.
as of now samples can be ADPCM, 8-bit, BRR or 16-bit
or something...

consider this VERY EXPERIMENTAL.
if you find any issues REPORT THEM immediately.

it's nearly 4am...
This commit is contained in:
tildearrow 2022-02-24 03:57:45 -05:00
parent 3542229448
commit 1e98f0c4a1
19 changed files with 545 additions and 390 deletions
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15
src/engine/platform/pce.cpp
View file

@ -82,21 +82,16 @@ void DivPlatformPCE::acquire(short* bufL, short* bufR, size_t start, size_t len)
chan[i].dacPeriod+=chan[i].dacRate;
if (chan[i].dacPeriod>rate) {
DivSample* s=parent->song.sample[chan[i].dacSample];
if (s->rendLength<=0) {
if (s->samples<=0) {
chan[i].dacSample=-1;
continue;
}
chWrite(i,0x07,0);
if (s->depth==8) {
chWrite(i,0x04,0xdf);
chWrite(i,0x06,(((unsigned char)s->rendData[chan[i].dacPos]+0x80)>>3));
} else {
chWrite(i,0x04,0xdf);
chWrite(i,0x06,(((unsigned short)s->rendData[chan[i].dacPos]+0x8000)>>11));
}
chWrite(i,0x04,0xdf);
chWrite(i,0x06,(((unsigned char)s->data8[chan[i].dacPos]+0x80)>>3));
chan[i].dacPos++;
if (chan[i].dacPos>=s->rendLength) {
if (s->loopStart>=0 && s->loopStart<=(int)s->rendLength) {
if (chan[i].dacPos>=s->samples) {
if (s->loopStart>=0 && s->loopStart<=(int)s->samples) {
chan[i].dacPos=s->loopStart;
} else {
chan[i].dacSample=-1;