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			435 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			435 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 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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// (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 PLUGINS_CHANNELTX_FILESOURCE_FILESOURCE_H_
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#define PLUGINS_CHANNELTX_FILESOURCE_FILESOURCE_H_
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#include <ctime>
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#include <iostream>
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#include <fstream>
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#include <QObject>
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#include <QString>
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#include <QByteArray>
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#include <QTimer>
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#include <QNetworkRequest>
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#include "dsp/basebandsamplesource.h"
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#include "channel/channelapi.h"
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#include "util/message.h"
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#include "util/movingaverage.h"
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#include "filesourcesettings.h"
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class ThreadedBasebandSampleSource;
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class UpChannelizer;
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class DeviceAPI;
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class FileSourceThread;
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class QNetworkAccessManager;
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class QNetworkReply;
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class FileSource : public BasebandSampleSource, public ChannelAPI {
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    Q_OBJECT
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public:
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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 getLog2Interp() const { return m_log2Interp; }
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        int getFilterChainHash() const { return m_filterChainHash; }
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        static MsgConfigureChannelizer* create(unsigned int m_log2Interp, unsigned int m_filterChainHash) {
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            return new MsgConfigureChannelizer(m_log2Interp, m_filterChainHash);
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        }
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    private:
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        unsigned int m_log2Interp;
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        unsigned int m_filterChainHash;
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        MsgConfigureChannelizer(unsigned int log2Interp, unsigned int filterChainHash) :
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            Message(),
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            m_log2Interp(log2Interp),
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            m_filterChainHash(filterChainHash)
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        { }
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    };
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    class MsgConfigureFileSource : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        const FileSourceSettings& getSettings() const { return m_settings; }
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        bool getForce() const { return m_force; }
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        static MsgConfigureFileSource* create(const FileSourceSettings& settings, bool force)
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        {
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            return new MsgConfigureFileSource(settings, force);
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        }
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    private:
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        FileSourceSettings m_settings;
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        bool m_force;
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        MsgConfigureFileSource(const FileSourceSettings& 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 MsgSampleRateNotification : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgSampleRateNotification* create(int sampleRate) {
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            return new MsgSampleRateNotification(sampleRate);
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        }
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        int getSampleRate() const { return m_sampleRate; }
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    private:
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        MsgSampleRateNotification(int sampleRate) :
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            Message(),
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            m_sampleRate(sampleRate)
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        { }
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        int m_sampleRate;
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    };
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	class MsgConfigureFileSourceName : public Message {
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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 MsgConfigureFileSourceWork : public Message {
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		MESSAGE_CLASS_DECLARATION
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	public:
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		bool isWorking() const { return m_working; }
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		static MsgConfigureFileSourceWork* create(bool working)
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		{
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			return new MsgConfigureFileSourceWork(working);
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		}
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	private:
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		bool m_working;
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		MsgConfigureFileSourceWork(bool working) :
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			Message(),
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			m_working(working)
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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 MsgConfigureFileSourceSeek : public Message {
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		MESSAGE_CLASS_DECLARATION
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	public:
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		int getMillis() const { return m_seekMillis; }
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		static MsgConfigureFileSourceSeek* create(int seekMillis)
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		{
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			return new MsgConfigureFileSourceSeek(seekMillis);
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		}
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	protected:
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		int m_seekMillis; //!< millis of seek position from the beginning 0..1000
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		MsgConfigureFileSourceSeek(int seekMillis) :
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			Message(),
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			m_seekMillis(seekMillis)
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		{ }
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	};
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	class MsgReportFileSourceAcquisition : public Message {
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		MESSAGE_CLASS_DECLARATION
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	public:
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		bool getAcquisition() const { return m_acquisition; }
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		static MsgReportFileSourceAcquisition* create(bool acquisition)
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		{
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			return new MsgReportFileSourceAcquisition(acquisition);
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		}
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	protected:
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		bool m_acquisition;
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		MsgReportFileSourceAcquisition(bool acquisition) :
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			Message(),
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			m_acquisition(acquisition)
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		{ }
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	};
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    class MsgPlayPause : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        bool getPlayPause() const { return m_playPause; }
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        static MsgPlayPause* create(bool playPause) {
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            return new MsgPlayPause(playPause);
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        }
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    protected:
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        bool m_playPause;
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        MsgPlayPause(bool playPause) :
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            Message(),
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            m_playPause(playPause)
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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 getSampleSize() const { return m_sampleSize; }
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		quint64 getCenterFrequency() const { return m_centerFrequency; }
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        quint64 getStartingTimeStamp() const { return m_startingTimeStamp; }
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        quint64 getRecordLength() const { return m_recordLength; }
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		static MsgReportFileSourceStreamData* create(int sampleRate,
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		        quint32 sampleSize,
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				quint64 centerFrequency,
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                quint64 startingTimeStamp,
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                quint64 recordLength)
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		{
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			return new MsgReportFileSourceStreamData(sampleRate, sampleSize, centerFrequency, startingTimeStamp, recordLength);
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		}
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	protected:
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		int m_sampleRate;
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		quint32 m_sampleSize;
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		quint64 m_centerFrequency;
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        quint64 m_startingTimeStamp;
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        quint64 m_recordLength;
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		MsgReportFileSourceStreamData(int sampleRate,
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		        quint32 sampleSize,
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				quint64 centerFrequency,
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                quint64 startingTimeStamp,
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                quint64 recordLength) :
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			Message(),
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			m_sampleRate(sampleRate),
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			m_sampleSize(sampleSize),
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			m_centerFrequency(centerFrequency),
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			m_startingTimeStamp(startingTimeStamp),
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			m_recordLength(recordLength)
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		{ }
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	};
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	class MsgReportFileSourceStreamTiming : public Message {
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		MESSAGE_CLASS_DECLARATION
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	public:
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        quint64 getSamplesCount() const { return m_samplesCount; }
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        static MsgReportFileSourceStreamTiming* create(quint64 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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        quint64 m_samplesCount;
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        MsgReportFileSourceStreamTiming(quint64 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 MsgReportHeaderCRC : public Message {
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		MESSAGE_CLASS_DECLARATION
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	public:
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		bool isOK() const { return m_ok; }
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		static MsgReportHeaderCRC* create(bool ok) {
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			return new MsgReportHeaderCRC(ok);
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		}
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	protected:
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		bool m_ok;
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		MsgReportHeaderCRC(bool ok) :
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			Message(),
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			m_ok(ok)
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		{ }
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	};
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    FileSource(DeviceAPI *deviceAPI);
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    ~FileSource();
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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 qint64 getCenterFrequency() const { return 0; }
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    virtual int getNbSinkStreams() const { return 0; }
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    virtual int getNbSourceStreams() const { return 1; }
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    virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
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    {
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        (void) streamIndex;
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        (void) sinkElseSource;
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        return 0;
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    }
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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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    /** Set center frequency given in Hz */
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    void setCenterFrequency(uint64_t centerFrequency) { m_centerFrequency = centerFrequency; }
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    /** Set sample rate given in Hz */
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    void setSampleRate(uint32_t sampleRate) { m_sampleRate = sampleRate; }
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    quint64 getSamplesCount() const { return m_samplesCount; }
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    double getMagSq() const { return m_magsq; }
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    void getMagSqLevels(double& avg, double& peak, int& nbSamples)
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    {
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        if (m_magsqCount > 0)
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        {
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            m_magsq = m_magsqSum / m_magsqCount;
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            m_magSqLevelStore.m_magsq = m_magsq;
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            m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
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        }
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        avg = m_magSqLevelStore.m_magsq;
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        peak = m_magSqLevelStore.m_magsqPeak;
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        nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
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        m_magsqSum = 0.0f;
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        m_magsqPeak = 0.0f;
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        m_magsqCount = 0;
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    }
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    static const QString m_channelIdURI;
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    static const QString m_channelId;
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private:
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    struct MagSqLevelsStore
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    {
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        MagSqLevelsStore() :
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            m_magsq(1e-12),
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            m_magsqPeak(1e-12)
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        {}
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        double m_magsq;
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        double m_magsqPeak;
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    };
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    DeviceAPI* m_deviceAPI;
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    QMutex m_mutex;
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    ThreadedBasebandSampleSource* m_threadedChannelizer;
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    UpChannelizer* m_channelizer;
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    FileSourceSettings m_settings;
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	std::ifstream m_ifstream;
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	QString m_fileName;
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	quint32 m_sampleSize;
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	quint64 m_centerFrequency;
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    int64_t m_frequencyOffset;
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    uint32_t m_fileSampleRate;
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    quint64 m_samplesCount;
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    uint32_t m_sampleRate;
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    uint32_t m_deviceSampleRate;
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    quint64 m_recordLength; //!< record length in seconds computed from file size
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    quint64 m_startingTimeStamp;
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	QTimer m_masterTimer;
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    bool m_running;
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    QNetworkAccessManager *m_networkManager;
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    QNetworkRequest m_networkRequest;
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    double m_linearGain;
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	double m_magsq;
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	double m_magsqSum;
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	double m_magsqPeak;
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    int  m_magsqCount;
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    MagSqLevelsStore m_magSqLevelStore;
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	MovingAverageUtil<Real, double, 16> m_movingAverage;
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	void openFileStream();
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	void seekFileStream(int seekMillis);
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    void handleEOF();
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    void applySettings(const FileSourceSettings& settings, bool force = false);
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    void validateFilterChainHash(FileSourceSettings& settings);
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    void calculateFrequencyOffset();
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    void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FileSourceSettings& settings);
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    void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
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    void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FileSourceSettings& settings, bool force);
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private slots:
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    void networkManagerFinished(QNetworkReply *reply);
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};
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#endif // PLUGINS_CHANNELTX_FILESOURCE_FILESOURCE_H_
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