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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _AUDIO_CORE_AUDIO_TARGET_H_
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17 #define _AUDIO_CORE_AUDIO_TARGET_H_
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18
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19 #ifdef HAVE_COREAUDIO
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20
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21 #include <jack/jack.h>
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22 #include <vector>
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23
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24 #include <CoreAudio/CoreAudio.h>
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25 #include <CoreAudio/CoreAudioTypes.h>
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26 #include <AudioUnit/AUComponent.h>
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27 #include <AudioUnit/AudioUnitProperties.h>
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28 #include <AudioUnit/AudioUnitParameters.h>
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29 #include <AudioUnit/AudioOutputUnit.h>
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30
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31 #include "AudioCallbackPlayTarget.h"
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32
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33 class AudioCallbackPlaySource;
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34
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35 class AudioCoreAudioTarget : public AudioCallbackPlayTarget
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36 {
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37 Q_OBJECT
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38
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39 public:
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40 AudioCoreAudioTarget(AudioCallbackPlaySource *source);
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41 ~AudioCoreAudioTarget();
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42
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43 virtual bool isOK() const;
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44
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45 public slots:
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46 virtual void sourceModelReplaced();
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47
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48 protected:
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49 OSStatus process(void *data,
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50 AudioUnitRenderActionFlags *flags,
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51 const AudioTimeStamp *timestamp,
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52 unsigned int inbus,
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53 unsigned int inframes,
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54 AudioBufferList *ioData);
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55
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56 int m_bufferSize;
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57 int m_sampleRate;
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58 int m_latency;
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59 };
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60
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61 #endif /* HAVE_COREAUDIO */
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62
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63 #endif
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64
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