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			58 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			58 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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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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								//                                                                               //
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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 INCLUDE_AUDIOOUTPUT_H
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								#define INCLUDE_AUDIOOUTPUT_H
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								#include <QMutex>
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								#include <QIODevice>
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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 QAudioOutput;
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								class AudioFifo;
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								class AudioOutputPipe;
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								class SDRANGELOVE_API AudioOutput : QIODevice {
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								public:
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									AudioOutput();
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									~AudioOutput();
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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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								private:
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									QMutex m_mutex;
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									QAudioOutput* m_audioOutput;
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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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									bool open(OpenMode mode);
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									qint64 readData(char* data, qint64 maxLen);
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									qint64 writeData(const char* data, qint64 len);
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									friend class AudioOutputPipe;
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								};
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								#endif // INCLUDE_AUDIOOUTPUT_H
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