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86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015-2018 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 INCLUDE_FILERECORD_H
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#define INCLUDE_FILERECORD_H
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#include <dsp/basebandsamplesink.h>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <ctime>
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#include "dsp/filerecordinterface.h"
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#include "export.h"
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class Message;
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class SDRBASE_API FileRecord : public FileRecordInterface {
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public:
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#pragma pack(push, 1)
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struct Header
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{
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quint32 sampleRate;
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quint64 centerFrequency;
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quint64 startTimeStamp;
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quint32 sampleSize;
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quint32 filler;
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quint32 crc32;
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};
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#pragma pack(pop)
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FileRecord(quint32 sampleRate=0, quint64 centerFrequency=0);
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FileRecord(const QString& fileBase);
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virtual ~FileRecord();
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quint64 getByteCount() const { return m_byteCount; }
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void setMsShift(qint64 shift) { m_msShift = shift; }
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const QString& getCurrentFileName() { return m_currentFileName; }
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void genUniqueFileName(uint deviceUID, int istream = -1);
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& message);
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virtual void setFileName(const QString& fileBase);
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virtual bool startRecording();
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virtual bool stopRecording();
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virtual bool isRecording() const { return m_recordOn; }
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static bool readHeader(std::ifstream& samplefile, Header& header); //!< returns true if CRC checksum is correct else false
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static void writeHeader(std::ofstream& samplefile, Header& header);
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private:
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QString m_fileBase;
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quint32 m_sampleRate;
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quint64 m_centerFrequency;
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bool m_recordOn;
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bool m_recordStart;
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std::ofstream m_sampleFile;
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QString m_currentFileName;
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quint64 m_byteCount;
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qint64 m_msShift;
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QRecursiveMutex m_mutex;
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void writeHeader();
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};
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#endif // INCLUDE_FILERECORD_H
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