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120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
#ifndef INCLUDE_SPECTRUMVIS_H
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#define INCLUDE_SPECTRUMVIS_H
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#include <dsp/basebandsamplesink.h>
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#include <QMutex>
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#include "dsp/fftengine.h"
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#include "dsp/fftwindow.h"
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#include "export.h"
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#include "util/message.h"
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#include "util/movingaverage2d.h"
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#include "util/fixedaverage2d.h"
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#include "util/max2d.h"
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class GLSpectrum;
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class MessageQueue;
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class SDRGUI_API SpectrumVis : public BasebandSampleSink {
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public:
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enum AvgMode
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{
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AvgModeNone,
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AvgModeMovingAvg,
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AvgModeFixedAvg,
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AvgModeMax
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};
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class MsgConfigureSpectrumVis : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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MsgConfigureSpectrumVis(
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int fftSize,
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int overlapPercent,
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unsigned int averageNb,
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int preProcessMode,
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FFTWindow::Function window,
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bool linear) :
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Message(),
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m_fftSize(fftSize),
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m_overlapPercent(overlapPercent),
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m_averageNb(averageNb),
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m_window(window),
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m_linear(linear)
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{
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m_avgMode = preProcessMode < 0 ? AvgModeNone : preProcessMode > 3 ? AvgModeMax : (SpectrumVis::AvgMode) preProcessMode;
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}
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int getFFTSize() const { return m_fftSize; }
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int getOverlapPercent() const { return m_overlapPercent; }
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unsigned int getAverageNb() const { return m_averageNb; }
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SpectrumVis::AvgMode getAvgMode() const { return m_avgMode; }
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FFTWindow::Function getWindow() const { return m_window; }
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bool getLinear() const { return m_linear; }
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private:
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int m_fftSize;
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int m_overlapPercent;
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unsigned int m_averageNb;
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SpectrumVis::AvgMode m_avgMode;
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FFTWindow::Function m_window;
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bool m_linear;
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};
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SpectrumVis(Real scalef, GLSpectrum* glSpectrum = 0);
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virtual ~SpectrumVis();
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void configure(MessageQueue* msgQueue,
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int fftSize,
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int overlapPercent,
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unsigned int averagingNb,
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int averagingMode,
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FFTWindow::Function window,
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bool m_linear);
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
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void feedTriggered(const SampleVector::const_iterator& triggerPoint, const SampleVector::const_iterator& end, bool positiveOnly);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& message);
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private:
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FFTEngine* m_fft;
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FFTWindow m_window;
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std::vector<Complex> m_fftBuffer;
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std::vector<Real> m_powerSpectrum;
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std::size_t m_fftSize;
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std::size_t m_overlapPercent;
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std::size_t m_overlapSize;
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std::size_t m_refillSize;
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std::size_t m_fftBufferFill;
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bool m_needMoreSamples;
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Real m_scalef;
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GLSpectrum* m_glSpectrum;
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MovingAverage2D<double> m_movingAverage;
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FixedAverage2D<double> m_fixedAverage;
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Max2D<double> m_max;
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unsigned int m_averageNb;
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AvgMode m_avgMode;
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bool m_linear;
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Real m_ofs;
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Real m_powFFTDiv;
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static const Real m_mult;
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QMutex m_mutex;
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void handleConfigure(int fftSize,
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int overlapPercent,
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unsigned int averageNb,
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AvgMode averagingMode,
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FFTWindow::Function window,
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bool linear);
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};
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#endif // INCLUDE_SPECTRUMVIS_H
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