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			68 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// Copyright (C) 2016 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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								//                                                                               //
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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 SDRBASE_AUDIO_AUDIOINPUT_H_
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								#define SDRBASE_AUDIO_AUDIOINPUT_H_
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								#include <QMutex>
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								#include <QIODevice>
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								#include <QAudioFormat>
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								#include <list>
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								#include <vector>
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								#include "util/export.h"
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								class QAudioInput;
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								class AudioFifo;
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								class AudioOutputPipe;
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								class SDRANGEL_API AudioInput : public QIODevice {
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								public:
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									AudioInput();
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									virtual ~AudioInput();
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									bool start(int device, int rate);
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									void stop();
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									void addFifo(AudioFifo* audioFifo);
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									void removeFifo(AudioFifo* audioFifo);
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									uint getRate() const { return m_audioFormat.sampleRate(); }
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									void setOnExit(bool onExit) { m_onExit = onExit; }
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								private:
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									QMutex m_mutex;
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									QAudioInput* m_audioInput;
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									uint m_audioUsageCount;
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									bool m_onExit;
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									typedef std::list<AudioFifo*> AudioFifos;
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									AudioFifos m_audioFifos;
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									std::vector<qint32> m_mixBuffer;
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									QAudioFormat m_audioFormat;
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									//virtual bool open(OpenMode mode);
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									virtual qint64 readData(char* data, qint64 maxLen);
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									virtual qint64 writeData(const char* data, qint64 len);
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									friend class AudioOutputPipe;
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								};
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								#endif /* SDRBASE_AUDIO_AUDIOINPUT_H_ */
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