locker.h

#ifndef CLUNK_LOCKER_H__
#define CLUNK_LOCKER_H__

/* libClunk - cross-platform 3D audio API built on top SDL library
 * Copyright (C) 2007-2008 Netive Media Group
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include <SDL_audio.h>
#include "export_clunk.h"
namespace clunk {

/*! 
	\brief Audio callback locker
	This struct locks audio in ctor and releases lock from the dtor. 
	This prevents audio callback from being called while clunk::AudioLocker is in the scope. 
*/

struct CLUNKAPI AudioLocker {
	///locks audio 
	AudioLocker();
	explicit AudioLocker(SDL_AudioDeviceID device_id);
	///unlocks audio 
	~AudioLocker();

private:
	SDL_AudioDeviceID device_id;
};

SDL_AudioDeviceID CLUNKAPI get_audio_device_id();
void CLUNKAPI set_audio_device_id(SDL_AudioDeviceID device_id);
void CLUNKAPI lock_audio();
void CLUNKAPI unlock_audio();
}


#endif