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100 lines
3.4 KiB
C++
100 lines
3.4 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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// (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_AUDIOOUTPUTDEVICE_H
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#define INCLUDE_AUDIOOUTPUTDEVICE_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 AudioOutputDevice : 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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enum UDPChannelCodec
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{
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UDPCodecL16, //!< Linear 16 bit (no codec)
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UDPCodecL8, //!< Linear 8 bit
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UDPCodecALaw, //!< PCM A-law 8 bit
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UDPCodecULaw, //!< PCM Mu-law 8 bit
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UDPCodecG722, //!< G722 compression
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UDPCodecOpus //!< Opus compression
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};
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AudioOutputDevice();
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virtual ~AudioOutputDevice();
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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(UDPChannelCodec udpChannelCodec, bool stereo, int sampleRate);
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void setUdpDecimation(uint32_t decimation);
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void setVolume(float volume);
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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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UDPChannelCodec m_udpChannelCodec;
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uint m_audioUsageCount;
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bool m_onExit;
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float m_volume;
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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_AUDIOOUTPUTDEVICE_H
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