/***************************************************************************
 * 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 <system/CThread.h>
#include "SoundDecoder.hpp"
#include "Voice.h"

#define MAX_DECODERS	16  // can be increased up to 96

class SoundHandler : public CThread
{
public:
	static SoundHandler * instance() {
	    if (!handlerInstance)
            handlerInstance = new SoundHandler();
        return handlerInstance;
    }

	static void DestroyInstance() { delete handlerInstance; handlerInstance = NULL; }

	void AddDecoder(s32 voice, const char * filepath);
	void AddDecoder(s32 voice, const u8 * snd, s32 len);
	void RemoveDecoder(s32 voice);

	SoundDecoder * getDecoder(s32 i) { return ((i < 0 || i >= MAX_DECODERS) ? NULL : DecoderList[i]); };
	Voice * getVoice(s32 i) { return ((i < 0 || i >= MAX_DECODERS) ? NULL : voiceList[i]); };

	void ThreadSignal() { resumeThread(); };
	bool IsDecoding() { return Decoding; };
protected:
	SoundHandler();
	~SoundHandler();

    static void axFrameCallback(void);

    void executeThread(void);
	void ClearDecoderList();

	SoundDecoder * GetSoundDecoder(const char * filepath);
	SoundDecoder * GetSoundDecoder(const u8 * sound, s32 length);

	static SoundHandler * handlerInstance;

	bool Decoding;
	bool ExitRequested;

	Voice * voiceList[MAX_DECODERS];
	SoundDecoder * DecoderList[MAX_DECODERS];
};

#endif