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sdrangel/include-gpl/dsp/spectrumvis.h
2014-06-15 09:32:25 +01:00

43 lines
993 B
C++

#ifndef INCLUDE_SPECTRUMVIS_H
#define INCLUDE_SPECTRUMVIS_H
#include "dsp/samplesink.h"
#include "dsp/fftengine.h"
#include "fftwindow.h"
#include "util/export.h"
class GLSpectrum;
class MessageQueue;
class SDRANGELOVE_API 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 positiveOnly);
void start();
void stop();
bool handleMessage(Message* message);
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