kopia lustrzana https://github.com/f4exb/sdrangel
				
				
				
			
		
			
				
	
	
		
			68 wiersze
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			68 wiersze
		
	
	
		
			2.8 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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// Copyright (C) 2014 John Greb <hexameron@spam.no>                              //
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// Copyright (C) 2015-2016, 2018-2020, 2023 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2020 Jon Beniston, M7RCE <jon@beniston.com>                     //
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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 INCLUDE_AUDIOCATINPUTWORKER_H
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#define INCLUDE_AUDIOCATINPUTWORKER_H
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#include <QObject>
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#include "dsp/decimators.h"
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#include "audiocatsisosettings.h"
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class AudioFifo;
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class SampleMIFifo;
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class AudioCATInputWorker : public QObject {
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    Q_OBJECT
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public:
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    AudioCATInputWorker(SampleMIFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr);
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    ~AudioCATInputWorker();
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    void startWork();
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    void stopWork();
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    void setLog2Decimation(unsigned int log2_decim) {m_log2Decim = log2_decim;}
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    void setFcPos(int fcPos) { m_fcPos = fcPos; }
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    void setIQMapping(AudioCATSISOSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;}
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    static const int m_convBufSamples = 4096;
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private:
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    AudioFifo* m_fifo;
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    bool m_running;
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    unsigned int m_log2Decim;
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    int m_fcPos;
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    AudioCATSISOSettings::IQMapping m_iqMapping;
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    qint16 m_buf[m_convBufSamples*2]; // stereo (I, Q)
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    SampleVector m_convertBuffer;
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    SampleMIFifo* m_sampleFifo;
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    Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16, true> m_decimatorsIQ;
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    void workIQ(unsigned int nbRead);
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    void decimate(qint16 *buf, unsigned int nbRead);
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private slots:
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    void handleAudio();
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};
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#endif // INCLUDE_AUDIOCATINPUTWORKER_H
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