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IT import: compressed stereo sample loading?

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tildearrow 2024-07-09 19:41:24 -05:00
parent 3970fef03a
commit f1d9d2c939
1 changed files with 17 additions and 0 deletions
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17
src/engine/fileOps/it.cpp
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@ -644,6 +644,23 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
logV("decompression begin... (%d)",s->samples);
if (flags&4) {
logW("STEREO!");
if (s->depth==DIV_SAMPLE_DEPTH_16BIT) {
logV("16-bit");
short* outData=new short[s->samples*2];
ret=it_decompress16(outData,s->samples,&file[reader.tell()],len-reader.tell(),(convert&4)?1:0,(flags&4)?2:1);
for (unsigned int i=0; i<s->samples; i++) {
s->data16[i]=(outData[i]+outData[s->samples+i])>>1;
}
delete[] outData;
} else {
logV("8-bit");
signed char* outData=new signed char[s->samples*2];
ret=it_decompress8(outData,s->samples,&file[reader.tell()],len-reader.tell(),(convert&4)?1:0,(flags&4)?2:1);
for (unsigned int i=0; i<s->samples; i++) {
s->data8[i]=(outData[i]+outData[s->samples+i])>>1;
}
delete[] outData;
}
} else {
if (s->depth==DIV_SAMPLE_DEPTH_16BIT) {
logV("16-bit");