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			67 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			67 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// 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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								#ifndef INCLUDE_AUDIOOUTPUTWORKER_H
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								#define INCLUDE_AUDIOOUTPUTWORKER_H
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								#include <QObject>
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								#include <QElapsedTimer>
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								#include "dsp/interpolators.h"
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								#include "audiooutputsettings.h"
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								class QTimer;
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								class SampleSourceFifo;
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								class AudioFifo;
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								class AudioOutputWorker : public QObject {
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								    Q_OBJECT
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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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								    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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								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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								    void callbackPart(SampleVector& data, unsigned int iBegin, unsigned int iEnd);
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								private slots:
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									void tick();
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								};
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								#endif // INCLUDE_AUDIOOUTPUTWORKER_H
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