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spectrum: allocate the stuff on the fly

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Eknous-P 2025-11-05 12:46:41 +04:00
parent 14f8273e13
commit 859ddc55b3
1 changed files with 20 additions and 0 deletions
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20
src/gui/spectrum.cpp
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@ -157,6 +157,26 @@ void FurnaceGUI::drawSpectrum() {
}
if (spectrum.running) {
for (int z=spectrum.mono?0:(chans-1); z>=0; z--) {
if (!spectrum.buffer[z]) {
spectrum.buffer[z]=(fftw_complex*)fftw_malloc(sizeof(fftw_complex)*spectrum.bins);
if (!spectrum.buffer[z]) spectrum.running=false;
}
if (!spectrum.in[z]) {
spectrum.in[z]=new double[spectrum.bins];
if (!spectrum.in[z]) spectrum.running=false;
}
if (!spectrum.plan[z]) {
spectrum.plan[z]=fftw_plan_dft_r2c_1d(spectrum.bins,spectrum.in[z],spectrum.buffer[z],FFTW_ESTIMATE);
if (!spectrum.plan[z]) spectrum.running=false;
}
if (!spectrum.plot[z]) {
spectrum.plot[z]=new ImVec2[spectrum.bins/2];
if (!spectrum.plot[z]) spectrum.running=false;
}
if (!spectrum.running) {
logE("oh no what why");
break;
}
// get buffer
memset(spectrum.in[z],0,sizeof(double)*spectrum.bins);
int needle=e->oscReadPos-spectrum.bins;