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			67 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			67 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | ///////////////////////////////////////////////////////////////////////////////////
 | ||
|  | // Copyright (C) 2020 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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|  | 
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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; | ||
|  | class SampleSourceFifo; | ||
|  | class AudioFifo; | ||
|  | 
 | ||
|  | class AudioOutputWorker : public QObject { | ||
|  |     Q_OBJECT | ||
|  | 
 | ||
|  | public: | ||
|  |     AudioOutputWorker(SampleSourceFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr); | ||
|  |     ~AudioOutputWorker(); | ||
|  | 
 | ||
|  |     void startWork(); | ||
|  |     void stopWork(); | ||
|  |     void setSamplerate(int samplerate); | ||
|  |     void setIQMapping(AudioOutputSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;} | ||
|  |     void connectTimer(const QTimer& timer); | ||
|  | 
 | ||
|  | private: | ||
|  |     bool m_running; | ||
|  |     int m_samplerate; | ||
|  |     int m_throttlems; | ||
|  |     int m_maxThrottlems; | ||
|  |     QElapsedTimer m_elapsedTimer; | ||
|  |     bool m_throttleToggle; | ||
|  |     AudioOutputSettings::IQMapping m_iqMapping; | ||
|  |     AudioVector m_audioBuffer; | ||
|  |     uint32_t m_audioBufferFill; | ||
|  |     qint16 *m_buf; // stereo (I, Q)
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|  |     unsigned int m_samplesChunkSize; | ||
|  |     SampleSourceFifo* m_sampleFifo; | ||
|  |     AudioFifo* m_audioFifo; | ||
|  |     Interpolators<qint16, SDR_TX_SAMP_SZ, 16> m_interpolators; | ||
|  | 
 | ||
|  |     void callbackPart(SampleVector& data, unsigned int iBegin, unsigned int iEnd); | ||
|  | 
 | ||
|  | private slots: | ||
|  | 	void tick(); | ||
|  | }; | ||
|  | 
 | ||
|  | #endif // INCLUDE_AUDIOOUTPUTWORKER_H
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