otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

faster sample format conversion

Browse source 
don't render in all formats when converting
This commit is contained in:
tildearrow 2024-04-04 14:22:19 -05:00
parent 80fdc706d1
commit 0ddbc56b94
4 changed files with 8 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/engine/sample.cpp
View file

@ -807,8 +807,8 @@ bool DivSample::insert(unsigned int pos, unsigned int length) {
return false;
}
void DivSample::convert(DivSampleDepth newDepth) {
render();
void DivSample::convert(DivSampleDepth newDepth, unsigned int formatMask) {
render(formatMask|(1U<<newDepth));
depth=newDepth;
switch (depth) {
case DIV_SAMPLE_DEPTH_1BIT:
@ -845,7 +845,7 @@ void DivSample::convert(DivSampleDepth newDepth) {
default:
break;
}
render();
render(formatMask|(1U<<newDepth));
}
#define RESAMPLE_BEGIN \
@ -1309,6 +1309,7 @@ void DivSample::render(unsigned int formatMask) {
if (!initInternal(DIV_SAMPLE_DEPTH_1BIT_DPCM,samples)) return;
int accum=63;
int next=63;
for (unsigned int i=0; (i<samples && (i>>3)<lengthDPCM); i++) {
next=((unsigned short)(data16[i]^0x8000))>>9;
if (next>accum) {