/*
   audio/buffers.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#ifndef __INCLUDED_AUDIO_BUFFERS_H__
#define __INCLUDED_AUDIO_BUFFERS_H__

#include "sys/sys.h"

#ifdef _OSX
#include "OpenAL/al.h"
#include "OpenAL/alc.h"         
#else
#include "AL/al.h" 
#include "AL/alc.h"
#endif

#include <string>
#include <map>

namespace audio {

const size_t MAXBUFFERS		= 128;

/// OpenAL buffers wrapper class

class Buffers {
public:
	static void init();
	static void shutdown();

	/// find previously loaded PCM data
	static size_t find(std::string name);

	/// load audio data into a buffer ans return the buffer index
	static size_t load(std::string name);

	/// bind a buffer to a source
	static void bind(ALuint source, std::string name);

	/// bind a specific buffer to a source
	static void bind(ALuint source, size_t id);

private:
	static void clear();

	typedef std::map<std::string, size_t>::iterator iterator;

	static std::map<std::string, size_t> registry;
	static size_t index;
	static ALuint buffers[MAXBUFFERS];
};

}

#endif // __INCLUDED_AUDIO_BUFFERS_H__