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			70 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			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) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.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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| 
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| #ifndef INCLUDE_AUDIOOUTPUTWORKER_H
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| #define INCLUDE_AUDIOOUTPUTWORKER_H
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| 
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| #include <QObject>
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| #include <QElapsedTimer>
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| 
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| #include "dsp/interpolators.h"
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| #include "audiooutputsettings.h"
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| 
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| class QTimer;
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| class SampleSourceFifo;
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| class AudioFifo;
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| 
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| class AudioOutputWorker : public QObject {
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|     Q_OBJECT
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| 
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| public:
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|     AudioOutputWorker(SampleSourceFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr);
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|     ~AudioOutputWorker();
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| 
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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 setIQMapping(AudioOutputSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;}
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|     void connectTimer(const QTimer& timer);
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| 
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| private:
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|     bool m_running;
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|     int m_samplerate;
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|     int m_throttlems;
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|     int m_maxThrottlems;
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|     QElapsedTimer m_elapsedTimer;
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|     bool m_throttleToggle;
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|     AudioOutputSettings::IQMapping m_iqMapping;
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|     AudioVector m_audioBuffer;
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|     uint32_t m_audioBufferFill;
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|     qint16 *m_buf; // stereo (I, Q)
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|     unsigned int m_samplesChunkSize;
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|     SampleSourceFifo* m_sampleFifo;
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|     AudioFifo* m_audioFifo;
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|     Interpolators<qint16, SDR_TX_SAMP_SZ, 16> m_interpolators;
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| 
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|     void callbackPart(SampleVector& data, unsigned int iBegin, unsigned int iEnd);
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| 
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| private slots:
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| 	void tick();
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| };
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| 
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| #endif // INCLUDE_AUDIOOUTPUTWORKER_H
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