virtualx-engine/platform/osx/audio_driver_osx.h

/*************************************************************************/
/*  audio_driver_osx.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#ifdef OSX_ENABLED

#ifndef AUDIO_DRIVER_OSX_H
#define AUDIO_DRIVER_OSX_H

#include "servers/audio_server.h"

#include <AudioUnit/AudioUnit.h>

class AudioDriverOSX : public AudioDriver {

	AudioComponentInstance audio_unit;
	bool active;
	Mutex *mutex;

	int channels;
	int32_t* samples_in;
	int	buffer_frames;

	static OSStatus output_callback(void *inRefCon,
				   AudioUnitRenderActionFlags * ioActionFlags,
				   const AudioTimeStamp * inTimeStamp,
				   UInt32 inBusNumber, UInt32 inNumberFrames,
				   AudioBufferList * ioData);


public:

	const char* get_name() const {
		return "AudioUnit";
	};

	virtual Error init();
	virtual void start();
	virtual int get_mix_rate() const;
	virtual SpeakerMode get_speaker_mode() const;
	virtual void lock();
	virtual void unlock();
	virtual void finish();

	AudioDriverOSX();
	~AudioDriverOSX();
};

#endif

#endif