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/* |
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Copyright (C) 2009 Grame |
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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; either version 2 of the License, or |
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(at your option) any later version. |
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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 for more details. |
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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, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __JackAudioQueueAdapter__ |
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#define __JackAudioQueueAdapter__ |
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//#include <AudioToolbox/AudioConverter.h> |
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//#include <AudioToolbox/AudioQueue.h> |
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#include <AudioToolbox/AudioToolbox.h> |
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#include <jack/net.h> |
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namespace Jack |
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{ |
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/*! |
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\brief Audio adapter using AudioQueue API. |
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*/ |
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#define kNumberBuffers 3 |
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#define kBufferDurationSeconds .5 |
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class JackAudioQueueAdapter |
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{ |
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private: |
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AudioQueueRef fCaptureQueue; |
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AudioQueueBufferRef fCaptureQueueBuffers[kNumberBuffers]; |
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AudioQueueRef fPlaybackQueue; |
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AudioQueueBufferRef fPlaybackQueueBuffers[kNumberBuffers]; |
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//AudioStreamPacketDescription fPlaybackPacketDescs; |
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jack_nframes_t fBufferSize; |
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jack_nframes_t fSampleRate; |
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int fCaptureChannels; |
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int fPlaybackChannels; |
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jack_adapter_t* fAdapter; |
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static void CaptureCallback(void* inUserData, |
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AudioQueueRef inAQ, |
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AudioQueueBufferRef inBuffer, |
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const AudioTimeStamp* inStartTime, |
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UInt32 inNumPackets, |
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const AudioStreamPacketDescription* inPacketDesc); |
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static void PlaybackCallback(void* inUserData, |
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AudioQueueRef inAQ, |
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AudioQueueBufferRef inCompleteAQBuffer); |
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static void InterruptionListener(void* inClientData, UInt32 inInterruptionState); |
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static void PropListener(void* inClientData, |
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AudioSessionPropertyID inID, |
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UInt32 inDataSize, |
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const void* inData); |
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public: |
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JackAudioQueueAdapter(int inchan, int outchan, jack_nframes_t buffer_size, jack_nframes_t sample_rate, jack_adapter_t* adapter); |
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~JackAudioQueueAdapter(); |
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virtual int Open(); |
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virtual int Close(); |
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virtual int Start(); |
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virtual int Stop(); |
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virtual int SetSampleRate(jack_nframes_t sample_rate); |
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virtual int SetBufferSize(jack_nframes_t buffer_size); |
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}; |
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} |
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#endif |
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