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sdrangel/plugins/samplesink/usrpoutput/usrpoutputthread.h

81 lines
3.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// Copyright (C) 2020 Jon Beniston, M7RCE //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2014 John Greb <hexameron@spam.no> //
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2020 Jon Beniston, M7RCE <jon@beniston.com> //
#ifndef PLUGINS_SAMPLESOURCE_USRPOUTPUT_USRPOUTPUTTHREAD_H_
#define PLUGINS_SAMPLESOURCE_USRPOUTPUT_USRPOUTPUTTHREAD_H_
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <uhd/usrp/multi_usrp.hpp>
#include <uhd/types/metadata.hpp>
#include "dsp/interpolators.h"
#include "usrp/deviceusrpshared.h"
#include "usrp/deviceusrp.h"
class SampleSourceFifo;
class USRPOutputThread : public QThread, public DeviceUSRPShared::ThreadInterface
{
Q_OBJECT
public:
USRPOutputThread(uhd::tx_streamer::sptr stream, size_t bufSamples, SampleSourceFifo* sampleFifo, QObject* parent = 0);
~USRPOutputThread();
virtual void startWork();
virtual void stopWork();
virtual void setDeviceSampleRate(int sampleRate) { (void) sampleRate; }
virtual bool isRunning() { return m_running; }
void setLog2Interpolation(unsigned int log2_ioterp);
void getStreamStatus(bool& active, quint32& underflows, quint32& droppedPackets);
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
quint64 m_packets;
quint32 m_underflows;
quint32 m_droppedPackets;
uhd::tx_streamer::sptr m_stream;
qint16 *m_buf;
size_t m_bufSamples;
SampleSourceFifo* m_sampleFifo;
unsigned int m_log2Interp; // soft decimation
Interpolators<qint16, SDR_TX_SAMP_SZ, 12> m_interpolators;
void run();
void callback(qint16* buf, qint32 len);
void callbackPart(qint16* buf, SampleVector& data, unsigned int iBegin, unsigned int iEnd);
};
#endif /* PLUGINS_SAMPLESOURCE_USRPOUTPUT_USRPOUTPUTTHREAD_H_ */