sdrangelove/dsp/spectrumvis.h

43 lines
977 B
C++

#ifndef INCLUDE_SPECTRUMVIS_H
#define INCLUDE_SPECTRUMVIS_H
#include "samplesink.h"
#include "fftengine.h"
#include "fftwindow.h"
class GLSpectrum;
class MessageQueue;
class SpectrumVis : public SampleSink {
public:
SpectrumVis(GLSpectrum* glSpectrum = NULL);
~SpectrumVis();
void configure(MessageQueue* msgQueue, int fftSize, int overlapPercent, FFTWindow::Function window);
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool firstOfBurst);
void start();
void stop();
void setSampleRate(int sampleRate);
void handleMessage(Message* cmd);
private:
FFTEngine* m_fft;
FFTWindow m_window;
std::vector<Complex> m_fftBuffer;
std::vector<Real> m_logPowerSpectrum;
size_t m_fftSize;
size_t m_overlapPercent;
size_t m_overlapSize;
size_t m_refillSize;
size_t m_fftBufferFill;
GLSpectrum* m_glSpectrum;
void handleConfigure(int fftSize, int overlapPercent, FFTWindow::Function window);
};
#endif // INCLUDE_SPECTRUMVIS_H