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