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1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 A waveform viewer and audio annotation editor.
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5 Chris Cannam, Queen Mary University of London, 2005-2006
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6
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7 This is experimental software. Not for distribution.
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8 */
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9
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10 #ifndef _AUDIO_CORE_AUDIO_TARGET_H_
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11 #define _AUDIO_CORE_AUDIO_TARGET_H_
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12
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13 #ifdef HAVE_COREAUDIO
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14
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15 #include <jack/jack.h>
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16 #include <vector>
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17
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18 #include <CoreAudio/CoreAudio.h>
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19 #include <CoreAudio/CoreAudioTypes.h>
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20 #include <AudioUnit/AUComponent.h>
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21 #include <AudioUnit/AudioUnitProperties.h>
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22 #include <AudioUnit/AudioUnitParameters.h>
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23 #include <AudioUnit/AudioOutputUnit.h>
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24
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25 #include "AudioCallbackPlayTarget.h"
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26
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27 class AudioCallbackPlaySource;
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28
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29 class AudioCoreAudioTarget : public AudioCallbackPlayTarget
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30 {
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31 Q_OBJECT
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32
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33 public:
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34 AudioCoreAudioTarget(AudioCallbackPlaySource *source);
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35 ~AudioCoreAudioTarget();
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36
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37 virtual bool isOK() const;
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38
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39 public slots:
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40 virtual void sourceModelReplaced();
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41
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42 protected:
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43 OSStatus process(void *data,
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44 AudioUnitRenderActionFlags *flags,
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45 const AudioTimeStamp *timestamp,
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46 unsigned int inbus,
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47 unsigned int inframes,
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48 AudioBufferList *ioData);
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49
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50 int m_bufferSize;
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51 int m_sampleRate;
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52 int m_latency;
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53 };
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54
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55 #endif /* HAVE_COREAUDIO */
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56
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57 #endif
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58
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