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sdrangel/plugins/channelrx/freqscanner/freqscannersink.h
2024-09-09 19:17:30 +03:00

86 lines
3.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019-2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2020-2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
// Copyright (C) 2020 Kacper Michajłow <kasper93@gmail.com> //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREQSCANNERSINK_H
#define INCLUDE_FREQSCANNERSINK_H
#include <QDateTime>
#include "dsp/channelsamplesink.h"
#include "dsp/nco.h"
#include "dsp/interpolator.h"
#include "dsp/fftengine.h"
#include "dsp/fftwindow.h"
#include "util/fixedaverage2d.h"
#include "util/messagequeue.h"
#include "freqscannersettings.h"
class ChannelAPI;
class FreqScanner;
class FreqScannerSink : public ChannelSampleSink {
public:
FreqScannerSink();
~FreqScannerSink();
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, int scannerSampleRate, int fftSize, int binsPerChannel, bool force = false);
void applySettings(const FreqScannerSettings& settings, const QStringList& settingsKeys, bool force = false);
void setMessageQueueToChannel(MessageQueue *messageQueue) { m_messageQueueToChannel = messageQueue; }
void setChannel(ChannelAPI *channel) { m_channel = channel; }
void setCenterFrequency(qint64 centerFrequency) { m_centerFrequency = centerFrequency; }
private:
FreqScannerSettings m_settings;
ChannelAPI *m_channel;
int m_channelSampleRate;
int m_channelFrequencyOffset;
int m_scannerSampleRate; // Sample rate scanner runs at
qint64 m_centerFrequency;
NCO m_nco;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
MessageQueue *m_messageQueueToChannel;
int m_fftSequence;
FFTEngine *m_fft;
int m_fftCounter;
FFTWindow m_fftWindow;
int m_fftSize;
int m_binsPerChannel;
QDateTime m_fftStartTime;
FixedAverage2D<Real> m_fftAverage; // magSq average
QVector<Real> m_magSq;
int m_averageCount;
void processOneSample(Complex &ci);
MessageQueue *getMessageQueueToChannel() { return m_messageQueueToChannel; }
Real totalPower(int bin, int channelBins) const;
Real peakPower(int bin, int channelBins) const;
Real magSq(int bin) const;
};
#endif // INCLUDE_FREQSCANNERSINK_H