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sdrangel/sdrbase/dsp/filerecord.h

86 lines
3.1 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015-2018 Edouard Griffiths, F4EXB //
// //
// 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_FILERECORD_H
#define INCLUDE_FILERECORD_H
#include <dsp/basebandsamplesink.h>
#include <string>
#include <iostream>
#include <fstream>
#include <ctime>
#include "dsp/filerecordinterface.h"
#include "export.h"
class Message;
class SDRBASE_API FileRecord : public FileRecordInterface {
public:
#pragma pack(push, 1)
struct Header
{
quint32 sampleRate;
quint64 centerFrequency;
quint64 startTimeStamp;
quint32 sampleSize;
quint32 filler;
quint32 crc32;
};
#pragma pack(pop)
FileRecord(quint32 sampleRate=0, quint64 centerFrequency=0);
FileRecord(const QString& fileBase);
virtual ~FileRecord();
quint64 getByteCount() const { return m_byteCount; }
void setMsShift(qint64 shift) { m_msShift = shift; }
const QString& getCurrentFileName() { return m_curentFileName; }
void genUniqueFileName(uint deviceUID, int istream = -1);
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
virtual void start();
virtual void stop();
virtual bool handleMessage(const Message& message);
virtual void setFileName(const QString& fileBase);
virtual bool startRecording();
virtual bool stopRecording();
virtual bool isRecording() const { return m_recordOn; }
static bool readHeader(std::ifstream& samplefile, Header& header); //!< returns true if CRC checksum is correct else false
static void writeHeader(std::ofstream& samplefile, Header& header);
private:
QString m_fileBase;
quint32 m_sampleRate;
quint64 m_centerFrequency;
bool m_recordOn;
bool m_recordStart;
std::ofstream m_sampleFile;
QString m_curentFileName;
quint64 m_byteCount;
qint64 m_msShift;
QMutex m_mutex;
void writeHeader();
};
#endif // INCLUDE_FILERECORD_H