mirror of https://github.com/f4exb/sdrangel.git
109 lines
4.2 KiB
C++
109 lines
4.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 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 PLUGINS_SAMPLESOURCE_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_
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// SoapySDR is a device wrapper with a single stream supporting one or many Rx
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// Therefore only one thread can be allocated for the Rx side
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// All FIFOs must be registered before calling startWork()
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include <SoapySDR/Device.hpp>
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#include "soapysdr/devicesoapysdrshared.h"
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#include "dsp/decimators.h"
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#include "dsp/decimatorsfi.h"
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class SampleSinkFifo;
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class SoapySDRInputThread : public QThread {
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Q_OBJECT
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public:
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SoapySDRInputThread(SoapySDR::Device* dev, unsigned int nbRxChannels, QObject* parent = 0);
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~SoapySDRInputThread();
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void startWork();
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void stopWork();
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bool isRunning() const { return m_running; }
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unsigned int getNbChannels() const { return m_nbChannels; }
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void setLog2Decimation(unsigned int channel, unsigned int log2_decim);
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unsigned int getLog2Decimation(unsigned int channel) const;
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void setSampleRate(unsigned int sampleRate) { m_sampleRate = sampleRate; }
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unsigned int getSampleRate() const { return m_sampleRate; }
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void setFcPos(unsigned int channel, int fcPos);
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int getFcPos(unsigned int channel) const;
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void setFifo(unsigned int channel, SampleSinkFifo *sampleFifo);
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SampleSinkFifo *getFifo(unsigned int channel);
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private:
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struct Channel
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{
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SampleVector m_convertBuffer;
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SampleSinkFifo* m_sampleFifo;
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unsigned int m_log2Decim;
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int m_fcPos;
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Decimators<qint32, qint8, SDR_RX_SAMP_SZ, 8> m_decimators8;
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Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators12;
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Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16> m_decimators16;
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DecimatorsFI m_decimatorsFloat;
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Channel() :
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m_sampleFifo(0),
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m_log2Decim(0),
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m_fcPos(0)
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{}
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~Channel()
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{}
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};
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enum DecimatorType
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{
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Decimator8,
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Decimator12,
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Decimator16,
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DecimatorFloat
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};
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QMutex m_startWaitMutex;
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QWaitCondition m_startWaiter;
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bool m_running;
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SoapySDR::Device* m_dev;
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Channel *m_channels; //!< Array of channels dynamically allocated for the given number of Rx channels
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unsigned int m_sampleRate;
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unsigned int m_nbChannels;
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DecimatorType m_decimatorType;
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void run();
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unsigned int getNbFifos();
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void callbackSI8(const qint8* buf, qint32 len, unsigned int channel = 0);
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void callbackSI12(const qint16* buf, qint32 len, unsigned int channel = 0);
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void callbackSI16(const qint16* buf, qint32 len, unsigned int channel = 0);
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void callbackSIF(const float* buf, qint32 len, unsigned int channel = 0);
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void callbackMI(std::vector<void *>& buffs, qint32 samplesPerChannel);
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};
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#endif /* PLUGINS_SAMPLESOURCE_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_ */
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