benkyd/SDRPlusPlus
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added FFTSize setting

Browse Source
This commit is contained in:
Ryzerth
2021-04-13 18:31:38 +02:00
parent b74043e2ee
commit 48bba00cb3
5 changed files with 81 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
core/src/gui/main_window.cpp
View File

@@ -33,25 +33,6 @@
#include <options.h>
#include <gui/colormaps.h>
const int FFTSizes[] = {
65536,
32768,
16384,
8192,
4096,
2048,
1024
};
const char* FFTSizesStr = "65536\0"
"32768\0"
"16384\0"
"8192\0"
"4096\0"
"2048\0"
"1024\0";
int fftSizeId = 0;
int fftSize = 8192 * 8;
std::mutex fft_mtx;
@@ -64,6 +45,7 @@ bool experimentalZoom = false;
void fftHandler(dsp::complex_t* samples, int count, void* ctx) {
std::lock_guard<std::mutex> lck(fft_mtx);
if (count != fftSize) { return; }
memcpy(fft_in, samples, count * sizeof(dsp::complex_t));
fftwf_execute(p);
@@ -568,22 +550,6 @@ void drawWindow() {
spdlog::error("Will this make the software crash?");
}
if (ImGui::Combo("##test_fft_size", &fftSizeId, FFTSizesStr)) {
std::lock_guard<std::mutex> lck(fft_mtx);
fftSize = FFTSizes[fftSizeId];
gui::waterfall.setRawFFTSize(fftSize);
sigpath::signalPath.setFFTSize(fftSize);
fftwf_free(fft_in);
fftwf_free(fft_out);
fftwf_destroy_plan(p);
fft_in = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
fft_out = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
p = fftwf_plan_dft_1d(fftSize, fft_in, fft_out, FFTW_FORWARD, FFTW_ESTIMATE);
}
ImGui::Spacing();
}
@@ -670,4 +636,20 @@ void setViewBandwidthSlider(float bandwidth) {
bool sdrIsRunning() {
return playing;
}
void setFFTSize(int size) {
std::lock_guard<std::mutex> lck(fft_mtx);
fftSize = size;
gui::waterfall.setRawFFTSize(fftSize);
sigpath::signalPath.setFFTSize(fftSize);
fftwf_free(fft_in);
fftwf_free(fft_out);
fftwf_destroy_plan(p);
fft_in = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
fft_out = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
p = fftwf_plan_dft_1d(fftSize, fft_in, fft_out, FFTW_FORWARD, FFTW_ESTIMATE);
}