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sdrangel/plugins/samplesource/filesource/filesourceinput.h

244 lines
6.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 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 //
// //
// 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_FILESOURCEINPUT_H
#define INCLUDE_FILESOURCEINPUT_H
#include <dsp/devicesamplesource.h>
#include <QString>
#include <QTimer>
#include <ctime>
#include <iostream>
#include <fstream>
class FileSourceThread;
class FileSourceInput : public DeviceSampleSource {
public:
struct Settings {
QString m_fileName;
Settings();
void resetToDefaults();
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
};
class MsgConfigureFileSource : public Message {
MESSAGE_CLASS_DECLARATION
public:
const Settings& getSettings() const { return m_settings; }
static MsgConfigureFileSource* create(const Settings& settings)
{
return new MsgConfigureFileSource(settings);
}
private:
Settings m_settings;
MsgConfigureFileSource(const Settings& settings) :
Message(),
m_settings(settings)
{ }
};
class MsgConfigureFileSourceName : public Message {
MESSAGE_CLASS_DECLARATION
public:
const QString& getFileName() const { return m_fileName; }
static MsgConfigureFileSourceName* create(const QString& fileName)
{
return new MsgConfigureFileSourceName(fileName);
}
private:
QString m_fileName;
MsgConfigureFileSourceName(const QString& fileName) :
Message(),
m_fileName(fileName)
{ }
};
class MsgConfigureFileSourceWork : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool isWorking() const { return m_working; }
static MsgConfigureFileSourceWork* create(bool working)
{
return new MsgConfigureFileSourceWork(working);
}
private:
bool m_working;
MsgConfigureFileSourceWork(bool working) :
Message(),
m_working(working)
{ }
};
class MsgConfigureFileSourceStreamTiming : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgConfigureFileSourceStreamTiming* create()
{
return new MsgConfigureFileSourceStreamTiming();
}
private:
MsgConfigureFileSourceStreamTiming() :
Message()
{ }
};
class MsgConfigureFileSourceSeek : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getPercentage() const { return m_seekPercentage; }
static MsgConfigureFileSourceSeek* create(int seekPercentage)
{
return new MsgConfigureFileSourceSeek(seekPercentage);
}
protected:
int m_seekPercentage; //!< percentage of seek position from the beginning 0..100
MsgConfigureFileSourceSeek(int seekPercentage) :
Message(),
m_seekPercentage(seekPercentage)
{ }
};
class MsgReportFileSourceAcquisition : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool getAcquisition() const { return m_acquisition; }
static MsgReportFileSourceAcquisition* create(bool acquisition)
{
return new MsgReportFileSourceAcquisition(acquisition);
}
protected:
bool m_acquisition;
MsgReportFileSourceAcquisition(bool acquisition) :
Message(),
m_acquisition(acquisition)
{ }
};
class MsgReportFileSourceStreamData : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getSampleRate() const { return m_sampleRate; }
quint64 getCenterFrequency() const { return m_centerFrequency; }
std::time_t getStartingTimeStamp() const { return m_startingTimeStamp; }
quint32 getRecordLength() const { return m_recordLength; }
static MsgReportFileSourceStreamData* create(int sampleRate,
quint64 centerFrequency,
std::time_t startingTimeStamp,
quint32 recordLength)
{
return new MsgReportFileSourceStreamData(sampleRate, centerFrequency, startingTimeStamp, recordLength);
}
protected:
int m_sampleRate;
quint64 m_centerFrequency;
std::time_t m_startingTimeStamp;
quint32 m_recordLength;
MsgReportFileSourceStreamData(int sampleRate,
quint64 centerFrequency,
std::time_t startingTimeStamp,
quint32 recordLength) :
Message(),
m_sampleRate(sampleRate),
m_centerFrequency(centerFrequency),
m_startingTimeStamp(startingTimeStamp),
m_recordLength(recordLength)
{ }
};
class MsgReportFileSourceStreamTiming : public Message {
MESSAGE_CLASS_DECLARATION
public:
std::size_t getSamplesCount() const { return m_samplesCount; }
static MsgReportFileSourceStreamTiming* create(std::size_t samplesCount)
{
return new MsgReportFileSourceStreamTiming(samplesCount);
}
protected:
std::size_t m_samplesCount;
MsgReportFileSourceStreamTiming(std::size_t samplesCount) :
Message(),
m_samplesCount(samplesCount)
{ }
};
FileSourceInput(const QTimer& masterTimer);
virtual ~FileSourceInput();
virtual bool init(const Message& message);
virtual bool start(int device);
virtual void stop();
virtual const QString& getDeviceDescription() const;
virtual int getSampleRate() const;
virtual quint64 getCenterFrequency() const;
std::time_t getStartingTimeStamp() const;
virtual bool handleMessage(const Message& message);
private:
QMutex m_mutex;
Settings m_settings;
std::ifstream m_ifstream;
FileSourceThread* m_fileSourceThread;
QString m_deviceDescription;
QString m_fileName;
int m_sampleRate;
quint64 m_centerFrequency;
quint32 m_recordLength; //!< record length in seconds computed from file size
std::time_t m_startingTimeStamp;
const QTimer& m_masterTimer;
void openFileStream();
void seekFileStream(int seekPercentage);
};
#endif // INCLUDE_FILESOURCEINPUT_H