/***************************************************************************
 * Copyright (C) 2010
 * by Dimok
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and
 * redistribute it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you
 * must not claim that you wrote the original software. If you use
 * this software in a product, an acknowledgment in the product
 * documentation would be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and
 * must not be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 * distribution.
 *
 * for WiiXplorer 2010
 ***************************************************************************/
#ifndef SOUNDHANDLER_H_
#define SOUNDHANDLER_H_

#include <vector>
#include <gccore.h>
#include "SoundDecoder.hpp"

#define MAX_DECODERS    16

class SoundHandler
{
public:
	void Init();
	void Cleanup();

	void AddDecoder(int voice, const char *filepath);
	void AddDecoder(int voice, const u8 *snd, int len);
	void RemoveDecoder(int voice);
	void DestroyDecoder(SoundDecoder *decoder);

	SoundDecoder *Decoder(int i) { return ((i < 0 || i >= MAX_DECODERS) ? NULL : DecoderList[i]); };
	void ThreadSignal() { LWP_ThreadSignal(ThreadQueue); };
	bool IsDecoding() { return Decoding; };
private: //thread stack
	static u8 SoundStack[32768];
	static const u32 SoundStackSize;
protected:
	static void *UpdateThread(void *arg);
	void InternalSoundUpdates();
	void ClearDecoderList();
	SoundDecoder *GetSoundDecoder(const char *filepath);
	SoundDecoder *GetSoundDecoder(const u8 *sound, int length);

	lwp_t SoundThread;
	lwpq_t ThreadQueue;
	bool Decoding;
	bool ExitRequested;

	SoundDecoder *DecoderList[MAX_DECODERS];
};
extern SoundHandler SoundHandle;

#endif