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100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// Copyright (C) 2023 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_CHANNELPOWERSINK_H
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#define INCLUDE_CHANNELPOWERSINK_H
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#include <QMutex>
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#include "dsp/channelsamplesink.h"
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#include "dsp/nco.h"
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#include "dsp/fftfilt.h"
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#include "channelpowersettings.h"
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class ChannelAPI;
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class ChannelPower;
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class ChannelPowerSink : public ChannelSampleSink {
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public:
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ChannelPowerSink(ChannelPower *channelPower);
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~ChannelPowerSink();
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
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void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force = false);
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void applySettings(const ChannelPowerSettings& settings, const QStringList& settingsKeys, bool force = false);
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void setChannel(ChannelAPI *channel) { m_channel = channel; }
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void getMagLevels(double& avg, double& pulseAvg, double &maxPeak, double &minPeak)
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{
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QMutexLocker mutexLocker(&m_mutex);
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avg = m_magAvg;
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pulseAvg = m_magPulseAvg;
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maxPeak = m_magMaxPeak;
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minPeak = m_magMinPeak;
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}
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void resetMagLevels()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_magSum = 0.0;
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m_magCount = 0;
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m_magAvg = std::numeric_limits<double>::quiet_NaN();
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m_magPulseSum = 0.0;
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m_magPulseCount = 0;
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m_magPulseAvg = std::numeric_limits<double>::quiet_NaN();
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m_magMinPeak = std::numeric_limits<double>::max();
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m_magMaxPeak = -std::numeric_limits<double>::max();
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}
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private:
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ChannelPower *m_channelPower;
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ChannelPowerSettings m_settings;
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ChannelAPI *m_channel;
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int m_channelSampleRate;
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int m_channelFrequencyOffset;
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NCO m_nco;
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fftfilt *m_lowpassFFT;
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static constexpr int m_lowpassLen = 2048;
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Complex m_lowpassBuffer[m_lowpassLen];
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int m_lowpassBufferIdx;
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double m_magSum;
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double m_magCount;
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double m_magAvg;
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double m_magPulseSum;
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double m_magPulseCount;
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double m_magPulseAvg;
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double m_magMaxPeak;
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double m_magMinPeak;
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int m_averageCnt;
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double m_pulseThresholdLinear;
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QMutex m_mutex;
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void processOneSample(Complex &ci);
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};
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#endif // INCLUDE_CHANNELPOWERSINK_H
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