78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
#pragma once
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#include "VisualProcessor.h"
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#include "DemodDefs.h"
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#include "fftw3.h"
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#include <cmath>
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class SpectrumVisualData : public ReferenceCounter {
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public:
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std::vector<float> spectrum_points;
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double fft_ceiling, fft_floor;
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};
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typedef ThreadQueue<SpectrumVisualData *> SpectrumVisualDataQueue;
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class SpectrumVisualProcessor : public VisualProcessor<DemodulatorThreadIQData, SpectrumVisualData> {
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public:
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SpectrumVisualProcessor();
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~SpectrumVisualProcessor();
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bool isView();
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void setView(bool bView);
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void setFFTAverageRate(float fftAverageRate);
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float getFFTAverageRate();
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void setCenterFrequency(long long centerFreq_in);
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long long getCenterFrequency();
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void setBandwidth(long bandwidth_in);
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long getBandwidth();
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int getDesiredInputSize();
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void setup(int fftSize);
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void setHideDC(bool hideDC);
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void setScaleFactor(float sf);
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float getScaleFactor();
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protected:
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void process();
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ReBuffer<SpectrumVisualData> outputBuffers;
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std::atomic_bool is_view;
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std::atomic_int fftSize;
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std::atomic_llong centerFreq;
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std::atomic_long bandwidth;
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private:
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long lastInputBandwidth;
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long lastBandwidth;
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fftwf_complex *fftwInput, *fftwOutput, *fftInData, *fftLastData;
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unsigned int lastDataSize;
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fftwf_plan fftw_plan;
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double fft_ceil_ma, fft_ceil_maa;
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double fft_floor_ma, fft_floor_maa;
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std::atomic<float> fft_average_rate;
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std::vector<double> fft_result;
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std::vector<double> fft_result_ma;
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std::vector<double> fft_result_maa;
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msresamp_crcf resampler;
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double resamplerRatio;
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nco_crcf freqShifter;
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long shiftFrequency;
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std::vector<liquid_float_complex> shiftBuffer;
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std::vector<liquid_float_complex> resampleBuffer;
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std::atomic_int desiredInputSize;
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std::mutex busy_run;
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std::atomic_bool hideDC;
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std::atomic<float> scaleFactor;
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};
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