mirror of
https://github.com/f4exb/sdrangel.git
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310 lines
9.3 KiB
C++
310 lines
9.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016 Edouard Griffiths, F4EXB //
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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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// //
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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 PLUGINS_CHANNELTX_MODAM_AMMOD_H_
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#define PLUGINS_CHANNELTX_MODAM_AMMOD_H_
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#include <QMutex>
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#include <vector>
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#include <iostream>
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#include <fstream>
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#include "dsp/basebandsamplesource.h"
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#include "channel/channelsourceapi.h"
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#include "dsp/nco.h"
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#include "dsp/ncof.h"
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#include "dsp/interpolator.h"
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#include "util/movingaverage.h"
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#include "dsp/agc.h"
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#include "dsp/cwkeyer.h"
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#include "audio/audiofifo.h"
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#include "util/message.h"
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#include "ammodsettings.h"
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class ThreadedBasebandSampleSource;
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class UpChannelizer;
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class DeviceSinkAPI;
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class AMMod : public BasebandSampleSource, public ChannelSourceAPI {
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Q_OBJECT
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public:
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class MsgConfigureAMMod : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const AMModSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureAMMod* create(const AMModSettings& settings, bool force)
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{
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return new MsgConfigureAMMod(settings, force);
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}
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private:
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AMModSettings m_settings;
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bool m_force;
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MsgConfigureAMMod(const AMModSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgConfigureChannelizer : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getSampleRate() const { return m_sampleRate; }
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int getCenterFrequency() const { return m_centerFrequency; }
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static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
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{
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return new MsgConfigureChannelizer(sampleRate, centerFrequency);
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}
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private:
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int m_sampleRate;
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int m_centerFrequency;
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MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
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Message(),
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m_sampleRate(sampleRate),
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m_centerFrequency(centerFrequency)
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{ }
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};
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class MsgConfigureFileSourceName : public Message
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{
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MESSAGE_CLASS_DECLARATION
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public:
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const QString& getFileName() const { return m_fileName; }
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static MsgConfigureFileSourceName* create(const QString& fileName)
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{
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return new MsgConfigureFileSourceName(fileName);
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}
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private:
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QString m_fileName;
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MsgConfigureFileSourceName(const QString& fileName) :
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Message(),
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m_fileName(fileName)
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{ }
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};
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class MsgConfigureFileSourceSeek : public Message
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{
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MESSAGE_CLASS_DECLARATION
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public:
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int getPercentage() const { return m_seekPercentage; }
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static MsgConfigureFileSourceSeek* create(int seekPercentage)
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{
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return new MsgConfigureFileSourceSeek(seekPercentage);
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}
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protected:
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int m_seekPercentage; //!< percentage of seek position from the beginning 0..100
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MsgConfigureFileSourceSeek(int seekPercentage) :
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Message(),
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m_seekPercentage(seekPercentage)
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{ }
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};
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class MsgConfigureFileSourceStreamTiming : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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static MsgConfigureFileSourceStreamTiming* create()
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{
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return new MsgConfigureFileSourceStreamTiming();
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}
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private:
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MsgConfigureFileSourceStreamTiming() :
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Message()
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{ }
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};
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class MsgReportFileSourceStreamTiming : public Message
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{
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MESSAGE_CLASS_DECLARATION
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public:
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std::size_t getSamplesCount() const { return m_samplesCount; }
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static MsgReportFileSourceStreamTiming* create(std::size_t samplesCount)
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{
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return new MsgReportFileSourceStreamTiming(samplesCount);
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}
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protected:
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std::size_t m_samplesCount;
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MsgReportFileSourceStreamTiming(std::size_t samplesCount) :
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Message(),
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m_samplesCount(samplesCount)
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{ }
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};
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class MsgReportFileSourceStreamData : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getSampleRate() const { return m_sampleRate; }
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quint32 getRecordLength() const { return m_recordLength; }
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static MsgReportFileSourceStreamData* create(int sampleRate,
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quint32 recordLength)
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{
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return new MsgReportFileSourceStreamData(sampleRate, recordLength);
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}
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protected:
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int m_sampleRate;
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quint32 m_recordLength;
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MsgReportFileSourceStreamData(int sampleRate,
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quint32 recordLength) :
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Message(),
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m_sampleRate(sampleRate),
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m_recordLength(recordLength)
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{ }
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};
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//=================================================================
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AMMod(DeviceSinkAPI *deviceAPI);
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~AMMod();
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virtual void destroy() { delete this; }
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virtual void pull(Sample& sample);
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virtual void pullAudio(int nbSamples);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& cmd);
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virtual void getIdentifier(QString& id) { id = objectName(); }
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virtual void getTitle(QString& title) { title = m_settings.m_title; }
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virtual void setName(const QString& name) { setObjectName(name); }
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virtual QString getName() const { return objectName(); }
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virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
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virtual QByteArray serialize() const;
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virtual bool deserialize(const QByteArray& data);
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virtual int webapiSettingsGet(
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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virtual int webapiSettingsPutPatch(
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bool force,
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const QStringList& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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virtual int webapiReportGet(
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SWGSDRangel::SWGChannelReport& response,
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QString& errorMessage);
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double getMagSq() const { return m_magsq; }
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CWKeyer *getCWKeyer() { return &m_cwKeyer; }
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static const QString m_channelIdURI;
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static const QString m_channelId;
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signals:
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/**
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* Level changed
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* \param rmsLevel RMS level in range 0.0 - 1.0
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* \param peakLevel Peak level in range 0.0 - 1.0
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* \param numSamples Number of audio samples analyzed
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*/
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void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
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private:
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enum RateState {
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RSInitialFill,
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RSRunning
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};
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DeviceSinkAPI* m_deviceAPI;
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ThreadedBasebandSampleSource* m_threadedChannelizer;
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UpChannelizer* m_channelizer;
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int m_basebandSampleRate;
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int m_outputSampleRate;
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int m_inputFrequencyOffset;
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AMModSettings m_settings;
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quint32 m_audioSampleRate;
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NCO m_carrierNco;
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NCOF m_toneNco;
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Complex m_modSample;
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Interpolator m_interpolator;
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Real m_interpolatorDistance;
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Real m_interpolatorDistanceRemain;
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bool m_interpolatorConsumed;
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double m_magsq;
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MovingAverageUtil<double, double, 16> m_movingAverage;
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AudioVector m_audioBuffer;
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uint m_audioBufferFill;
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AudioFifo m_audioFifo;
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SampleVector m_sampleBuffer;
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QMutex m_settingsMutex;
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std::ifstream m_ifstream;
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QString m_fileName;
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quint64 m_fileSize; //!< raw file size (bytes)
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quint32 m_recordLength; //!< record length in seconds computed from file size
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int m_sampleRate;
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quint32 m_levelCalcCount;
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Real m_peakLevel;
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Real m_levelSum;
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CWKeyer m_cwKeyer;
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static const int m_levelNbSamples;
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void applyAudioSampleRate(int sampleRate);
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void applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force = false);
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void applySettings(const AMModSettings& settings, bool force = false);
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void pullAF(Real& sample);
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void calculateLevel(Real& sample);
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void modulateSample();
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void openFileStream();
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void seekFileStream(int seekPercentage);
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void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const AMModSettings& settings);
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void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
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};
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#endif /* PLUGINS_CHANNELTX_MODAM_AMMOD_H_ */
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