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SNES: add an option to not encode BRR with unstable filters

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This is useful for seeking to anywhere within the sample using sample offset commands
This commit is contained in:
Natt Akuma 2024-06-22 14:37:00 +07:00
parent 6a7e7ba571
commit bdc66ae33e
9 changed files with 40 additions and 16 deletions
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13
src/engine/sample.cpp
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@ -56,7 +56,7 @@ void DivSample::putSampleData(SafeWriter* w) {
w->writeC(depth);
w->writeC(loopMode);
w->writeC(brrEmphasis);
w->writeC(dither);
w->writeC((dither?1:0)|(brrNoFilter?2:0));
w->writeI(loop?loopStart:-1);
w->writeI(loop?loopEnd:-1);
@ -134,7 +134,9 @@ DivDataErrors DivSample::readSampleData(SafeReader& reader, short version) {
reader.readC();
}
if (version>=159) {
dither=reader.readC()&1;
signed char c=reader.readC();
dither=c&1;
if (version>=213) brrNoFilter=c&2;
} else {
reader.readC();
}
@ -1423,7 +1425,7 @@ void DivSample::render(unsigned int formatMask) {
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_BRR)) { // BRR
int sampleCount=loop?loopEnd:samples;
if (!initInternal(DIV_SAMPLE_DEPTH_BRR,sampleCount)) return;
brrEncode(data16,dataBRR,sampleCount,loop?loopStart:-1,brrEmphasis);
brrEncode(data16,dataBRR,sampleCount,loop?loopStart:-1,brrEmphasis,brrNoFilter);
}
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_VOX)) { // VOX
if (!initInternal(DIV_SAMPLE_DEPTH_VOX,samples)) return;
@ -1564,9 +1566,9 @@ DivSampleHistory* DivSample::prepareUndo(bool data, bool doNotPush) {
duplicate=new unsigned char[getCurBufLen()];
memcpy(duplicate,getCurBuf(),getCurBufLen());
}
h=new DivSampleHistory(duplicate,getCurBufLen(),samples,depth,rate,centerRate,loopStart,loopEnd,loop,brrEmphasis,dither,loopMode);
h=new DivSampleHistory(duplicate,getCurBufLen(),samples,depth,rate,centerRate,loopStart,loopEnd,loop,brrEmphasis,brrNoFilter,dither,loopMode);
} else {
h=new DivSampleHistory(depth,rate,centerRate,loopStart,loopEnd,loop,brrEmphasis,dither,loopMode);
h=new DivSampleHistory(depth,rate,centerRate,loopStart,loopEnd,loop,brrEmphasis,brrNoFilter,dither,loopMode);
}
if (!doNotPush) {
while (!redoHist.empty()) {
@ -1600,6 +1602,7 @@ DivSampleHistory* DivSample::prepareUndo(bool data, bool doNotPush) {
loopEnd=h->loopEnd; \
loop=h->loop; \
brrEmphasis=h->brrEmphasis; \
brrNoFilter=h->brrNoFilter; \
dither=h->dither; \
loopMode=h->loopMode;