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Adjustments to crossfade algo/slider and renaming

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This commit is contained in:
LeviathaninWaves 2023-12-02 19:02:43 -06:00
parent 249ce83662
commit d59dfa30f0
4 changed files with 40 additions and 40 deletions
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68
src/gui/sampleEdit.cpp
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@ -1230,58 +1230,58 @@ void FurnaceGUI::drawSampleEdit() {
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Crossfade loop points.");
}
if (openSampleXFadeOpt) {
openSampleXFadeOpt=false;
ImGui::OpenPopup("SXFadeOpt");
if (openSampleCrossFadeOpt) {
openSampleCrossFadeOpt=false;
ImGui::OpenPopup("SCrossFadeOpt");
}
if (ImGui::BeginPopupContextItem("SXFadeÓpt",ImGuiPopupFlags_MouseButtonLeft)) {
if (sampleXFadeLoopLength>sample->loopStart) sampleXFadeLoopLength=sample->loopStart;
if (sampleXFadeLoopLength>(sample->loopEnd-sample->loopStart)) sampleXFadeLoopLength=sample->loopEnd-sample->loopStart;
if (ImGui::SliderInt("Number of samples", &sampleXFadeLoopLength, 0, 100000)) {
if (sampleXFadeLoopLength<0) sampleXFadeLoopLength=0;
if (sampleXFadeLoopLength>sample->loopStart) sampleXFadeLoopLength=sample->loopStart;
if (sampleXFadeLoopLength>(sample->loopEnd-sample->loopStart)) sampleXFadeLoopLength=sample->loopEnd-sample->loopStart;
if (sampleXFadeLoopLength>100000) sampleXFadeLoopLength=100000;
if (ImGui::BeginPopupContextItem("SCrossFadeÓpt",ImGuiPopupFlags_MouseButtonLeft)) {
if (sampleCrossFadeLoopLength>sample->loopStart) sampleCrossFadeLoopLength=sample->loopStart;
if (sampleCrossFadeLoopLength>(sample->loopEnd-sample->loopStart)) sampleCrossFadeLoopLength=sample->loopEnd-sample->loopStart;
if (ImGui::SliderInt("Number of samples", &sampleCrossFadeLoopLength, 0, 100000)) {
if (sampleCrossFadeLoopLength<0) sampleCrossFadeLoopLength=0;
if (sampleCrossFadeLoopLength>sample->loopStart) sampleCrossFadeLoopLength=sample->loopStart;
if (sampleCrossFadeLoopLength>(sample->loopEnd-sample->loopStart)) sampleCrossFadeLoopLength=sample->loopEnd-sample->loopStart;
if (sampleCrossFadeLoopLength>100000) sampleCrossFadeLoopLength=100000;
}
if (ImGui::SliderInt("Linear <-> Equal power", &sampleXFadeLoopLaw, 0, 100000)) {
if (sampleXFadeLoopLaw<0) sampleXFadeLoopLaw=0;
if (sampleXFadeLoopLaw>100000) sampleXFadeLoopLaw=100000;
if (ImGui::SliderInt("Linear <-> Equal power", &sampleCrossFadeLoopLaw, 0, 100)) {
if (sampleCrossFadeLoopLaw<0) sampleCrossFadeLoopLaw=0;
if (sampleCrossFadeLoopLaw>100) sampleCrossFadeLoopLaw=100;
}
if (ImGui::Button("Apply")) {
if (sampleXFadeLoopLength>sample->loopStart){
if (sampleCrossFadeLoopLength>sample->loopStart){
SAMPLE_WARN(warnLoop,"Crossfade: length would go out of bounds. Aborted...");
goto done;
}
if (sampleXFadeLoopLength>(sample->loopEnd-sample->loopStart)) {
if (sampleCrossFadeLoopLength>(sample->loopEnd-sample->loopStart)) {
SAMPLE_WARN(warnLoop,"Crossfade: length would overflow loopStart. Try a smaller random value.");
goto done;
}
sample->prepareUndo(true);
e->lockEngine([this,sample]{
SAMPLE_OP_BEGIN;
double l=1.0/(double)sampleXFadeLoopLength;
double evar=1.0-sampleXFadeLoopLaw/200000.0;
double l=1.0/(double)sampleCrossFadeLoopLength;
double evar=1.0-sampleCrossFadeLoopLaw/200.0;
if (sample->depth==DIV_SAMPLE_DEPTH_8BIT) {
unsigned int xfadeInput=sample->loopStart-sampleXFadeLoopLength;
unsigned int xfadeOutput=sample->loopEnd-sampleXFadeLoopLength;
for (int i=0;i<sampleXFadeLoopLength;i++) {
unsigned int crossFadeInput=sample->loopStart-sampleCrossFadeLoopLength;
unsigned int crossFadeOutput=sample->loopEnd-sampleCrossFadeLoopLength;
for (int i=0;i<sampleCrossFadeLoopLength;i++) {
double f1=std::pow(i*l,evar);
double f2=std::pow((sampleXFadeLoopLength-i)*l, evar);
signed char out=(signed char)(((double)sample->data8[xfadeInput])*f1+((double)sample->data8[xfadeOutput])*f2);
sample->data8[xfadeOutput]=out;
xfadeInput++;
xfadeOutput++;
double f2=std::pow((sampleCrossFadeLoopLength-i)*l, evar);
signed char out=(signed char)(((double)sample->data8[crossFadeInput])*f1+((double)sample->data8[crossFadeOutput])*f2);
sample->data8[crossFadeOutput]=out;
crossFadeInput++;
crossFadeOutput++;
}
} else if (sample->depth==DIV_SAMPLE_DEPTH_16BIT) {
unsigned int xfadeInput=sample->loopStart-sampleXFadeLoopLength;
unsigned int xfadeOutput=sample->loopEnd-sampleXFadeLoopLength;
for (int i=0;i<sampleXFadeLoopLength;i++) {
unsigned int crossFadeInput=sample->loopStart-sampleCrossFadeLoopLength;
unsigned int crossFadeOutput=sample->loopEnd-sampleCrossFadeLoopLength;
for (int i=0;i<sampleCrossFadeLoopLength;i++) {
double f1=std::pow(i*l,evar);
double f2=std::pow((sampleXFadeLoopLength-i)*l,evar);
short out = (short)(((double)sample->data16[xfadeInput])*f1+((double)sample->data16[xfadeOutput])*f2);
sample->data16[xfadeOutput]=out;
xfadeInput++;
xfadeOutput++;
double f2=std::pow((sampleCrossFadeLoopLength-i)*l,evar);
short out = (short)(((double)sample->data16[crossFadeInput])*f1+((double)sample->data16[crossFadeOutput])*f2);
sample->data16[crossFadeOutput]=out;
crossFadeInput++;
crossFadeOutput++;
}
}
updateSampleTex=true;