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			85 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			85 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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//                                                                               //
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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 <QAudioFormat>
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#include <list>
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#include <vector>
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#include <stdint.h>
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#include "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 AudioNetSink;
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class SDRBASE_API AudioOutput : QIODevice {
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public:
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    enum UDPChannelMode
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    {
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        UDPChannelLeft,
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        UDPChannelRight,
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        UDPChannelMixed,
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        UDPChannelStereo
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    };
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	AudioOutput();
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	virtual ~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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	int getNbFifos() const { return m_audioFifos.size(); }
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	unsigned int getRate() const { return m_audioFormat.sampleRate(); }
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	void setOnExit(bool onExit) { m_onExit = onExit; }
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	void setUdpDestination(const QString& address, uint16_t port);
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	void setUdpCopyToUDP(bool copyToUDP);
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	void setUdpUseRTP(bool useRTP);
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	void setUdpChannelMode(UDPChannelMode udpChannelMode);
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	void setUdpChannelFormat(bool stereo, int sampleRate);
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private:
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	QMutex m_mutex;
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	QAudioOutput* m_audioOutput;
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	AudioNetSink* m_audioNetSink;
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	bool m_copyAudioToUdp;
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	UDPChannelMode m_udpChannelMode;
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	uint m_audioUsageCount;
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	bool m_onExit;
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	std::list<AudioFifo*> 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 // INCLUDE_AUDIOOUTPUT_H
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