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sdrangel/plugins/samplesource/rtlsdr/rtlsdrthread.h
2024-10-15 09:21:08 +01:00

78 lines
3.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// 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) 2015-2016, 2018-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// //
// 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_RTLSDRTHREAD_H
#define INCLUDE_RTLSDRTHREAD_H
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <rtl-sdr.h>
#include "rtlsdrsettings.h"
#include "dsp/replaybuffer.h"
#include "dsp/samplesinkfifo.h"
#include "dsp/decimatorsu.h"
class RTLSDRThread : public QThread {
Q_OBJECT
public:
RTLSDRThread(rtlsdr_dev_t* dev, SampleSinkFifo* sampleFifo, ReplayBuffer<quint8> *replayBuffer, const RTLSDRSettings& settings, QObject* parent = nullptr);
~RTLSDRThread();
void startWork();
void stopWork();
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
rtlsdr_dev_t* m_dev;
SampleVector m_convertBuffer;
SampleSinkFifo* m_sampleFifo;
ReplayBuffer<quint8> *m_replayBuffer;
RTLSDRSettings m_settings;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
DecimatorsU<qint32, quint8, SDR_RX_SAMP_SZ, 8, 127, true> m_decimatorsIQ;
DecimatorsU<qint32, quint8, SDR_RX_SAMP_SZ, 8, 127, false> m_decimatorsQI;
void run();
void callbackIQ(const quint8* buf, qint32 len);
void callbackQI(const quint8* buf, qint32 len);
bool handleMessage(const Message& cmd);
bool applySettings(const RTLSDRSettings& settings, const QStringList& settingsKeys, bool force);
#ifndef __EMSCRIPTEN__
static void callbackHelper(unsigned char* buf, uint32_t len, void* ctx);
#endif
private slots:
void handleInputMessages();
};
#endif // INCLUDE_RTLSDRTHREAD_H