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audio export: fix multiplication by infinity

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if fade out is zero
This commit is contained in:
tildearrow 2025-10-23 04:27:31 -05:00
parent 4912c0aaa9
commit 803ad26904
1 changed files with 6 additions and 0 deletions
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6
src/engine/wavOps.cpp
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@ -121,6 +121,7 @@ void DivEngine::runExportThread() {
SNDFILE* sf;
SF_INFO si;
SFWrapper sfWrap;
memset(&si,0,sizeof(SF_INFO));
si.samplerate=got.rate;
si.channels=exportOutputs;
switch (exportFormat) {
@ -231,6 +232,7 @@ void DivEngine::runExportThread() {
total++;
if (isFadingOut) {
double mul=(1.0-((double)curFadeOutSample/(double)fadeOutSamples));
if (fadeOutSamples<1.0) mul=0.0;
for (int j=0; j<exportOutputs; j++) {
outBufFinal[fi++]=MAX(-1.0f,MIN(1.0f,outBuf[j][i]))*mul;
}
@ -284,6 +286,7 @@ void DivEngine::runExportThread() {
String fname[DIV_MAX_CHIPS];
SFWrapper sfWrap[DIV_MAX_CHIPS];
for (int i=0; i<song.systemLen; i++) {
memset(&si[0],0,sizeof(SF_INFO));
sf[i]=NULL;
si[i].samplerate=got.rate;
si[i].channels=disCont[i].dispatch->getOutputCount();
@ -331,6 +334,7 @@ void DivEngine::runExportThread() {
total++;
if (isFadingOut) {
double mul=(1.0-((double)curFadeOutSample/(double)fadeOutSamples));
if (fadeOutSamples<1.0) mul=0.0;
for (int i=0; i<song.systemLen; i++) {
for (int k=0; k<si[i].channels; k++) {
if (disCont[i].bbOut[k]==NULL) {
@ -413,6 +417,7 @@ void DivEngine::runExportThread() {
SNDFILE* sf;
SF_INFO si;
SFWrapper sfWrap;
memset(&si,0,sizeof(SF_INFO));
String fname=fmt::sprintf("%s_c%02d.wav",exportPath,i+1);
logI("- %s",fname.c_str());
si.samplerate=got.rate;
@ -483,6 +488,7 @@ void DivEngine::runExportThread() {
total++;
if (isFadingOut) {
double mul=(1.0-((double)curFadeOutSample/(double)fadeOutSamples));
if (fadeOutSamples<1.0) mul=0.0;
for (int k=0; k<exportOutputs; k++) {
outBufFinal[fi++]=MAX(-1.0f,MIN(1.0f,outBuf[k][j]))*mul;
}