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67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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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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// //
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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 INCLUDE_RTLSDRTHREAD_H
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#define INCLUDE_RTLSDRTHREAD_H
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include <rtl-sdr.h>
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#include "dsp/samplefifo.h"
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#include "dsp/inthalfbandfilter.h"
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class RTLSDRThread : public QThread {
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Q_OBJECT
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public:
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RTLSDRThread(rtlsdr_dev_t* dev, SampleFifo* sampleFifo, QObject* parent = NULL);
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~RTLSDRThread();
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void startWork();
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void stopWork();
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void setSamplerate(int samplerate);
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void setLog2Decimation(unsigned int log2_decim);
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private:
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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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rtlsdr_dev_t* m_dev;
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SampleVector m_convertBuffer;
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SampleFifo* m_sampleFifo;
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int m_samplerate;
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unsigned int m_log2Decim;
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IntHalfbandFilter m_decimator2;
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IntHalfbandFilter m_decimator4;
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void run();
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void decimate1(SampleVector::iterator* it, const quint8* buf, qint32 len);
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void decimate2(SampleVector::iterator* it, const quint8* buf, qint32 len);
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void decimate4(SampleVector::iterator* it, const quint8* buf, qint32 len);
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void decimate8(SampleVector::iterator* it, const quint8* buf, qint32 len);
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void decimate16(SampleVector::iterator* it, const quint8* buf, qint32 len);
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void callback(const quint8* buf, qint32 len);
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static void callbackHelper(unsigned char* buf, uint32_t len, void* ctx);
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};
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#endif // INCLUDE_RTLSDRTHREAD_H
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