view audioio/AudioCoreAudioTarget.h @ 78:9918c8a3f904

* Omit translucent blue fill for selection rectangles that are superimposed over layers that use colours for meaningful purposes such as the spectrogram (CHARM change request)
author Chris Cannam
date Fri, 24 Nov 2006 16:56:15 +0000
parents cd5d7ff8ef38
children
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _AUDIO_CORE_AUDIO_TARGET_H_
#define _AUDIO_CORE_AUDIO_TARGET_H_

#ifdef HAVE_COREAUDIO

#include <jack/jack.h>
#include <vector>

#include <CoreAudio/CoreAudio.h>
#include <CoreAudio/CoreAudioTypes.h>
#include <AudioUnit/AUComponent.h>
#include <AudioUnit/AudioUnitProperties.h>
#include <AudioUnit/AudioUnitParameters.h>
#include <AudioUnit/AudioOutputUnit.h>

#include "AudioCallbackPlayTarget.h"

class AudioCallbackPlaySource;

class AudioCoreAudioTarget : public AudioCallbackPlayTarget
{
    Q_OBJECT

public:
    AudioCoreAudioTarget(AudioCallbackPlaySource *source);
    ~AudioCoreAudioTarget();

    virtual bool isOK() const;

public slots:
    virtual void sourceModelReplaced();

protected:
    OSStatus process(void *data,
		     AudioUnitRenderActionFlags *flags,
		     const AudioTimeStamp *timestamp,
		     unsigned int inbus,
		     unsigned int inframes,
		     AudioBufferList *ioData);

    int m_bufferSize;
    int m_sampleRate;
    int m_latency;
};

#endif /* HAVE_COREAUDIO */

#endif