axmol/cocos/audio/linux/FmodAudioPlayer.h

/****************************************************************************
Copyright (c) 2011      Laschweinski
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

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#ifndef FMODAUDIOPLAYER_H_
#define FMODAUDIOPLAYER_H_

#include "fmod.hpp"
#include "fmod_errors.h"
#include "AudioPlayer.h"
#include "string"
#include <map>


using namespace std;

namespace CocosDenshion {

class FmodAudioPlayer : public AudioPlayer{
public:
	FmodAudioPlayer();
	virtual ~FmodAudioPlayer();

	static FmodAudioPlayer* sharedPlayer();

	virtual void close();



	/**
	 @brief Preload background music
	 @param pszFilePath The path of the background music file,or the FileName of T_SoundResInfo
	 */
	virtual void preloadBackgroundMusic(const char* pszFilePath);

	/**
	 @brief Play background music
	 @param pszFilePath The path of the background music file,or the FileName of T_SoundResInfo
	 @param bLoop Whether the background music loop or not
	 */
	virtual void playBackgroundMusic(const char* pszFilePath, bool bLoop);

	/**
	 @brief Stop playing background music
	 @param bReleaseData If release the background music data or not.As default value is false
	 */
	virtual void stopBackgroundMusic(bool bReleaseData);

	/**
	 @brief Pause playing background music
	 */
	virtual void pauseBackgroundMusic();

	/**
	 @brief Resume playing background music
	 */
	virtual void resumeBackgroundMusic();

	/**
	 @brief Rewind playing background music
	 */
	virtual void rewindBackgroundMusic();

	virtual bool willPlayBackgroundMusic();

	/**
	 @brief Whether the background music is playing
	 @return If is playing return true,or return false
	 */
	virtual bool isBackgroundMusicPlaying();

	// properties
	/**
	 @brief The volume of the background music max value is 1.0,the min value is 0.0
	 */
	virtual float getBackgroundMusicVolume();

	/**
	 @brief set the volume of background music
	 @param volume must be in 0.0~1.0
	 */
	virtual void setBackgroundMusicVolume(float volume);

	/**
	 @brief The volume of the effects max value is 1.0,the min value is 0.0
	 */
	virtual float getEffectsVolume();

	/**
	 @brief set the volume of sound effecs
	 @param volume must be in 0.0~1.0
	 */
	virtual void setEffectsVolume(float volume);

	// for sound effects
	/**
	 @brief Play sound effect
	 @param pszFilePath The path of the effect file,or the FileName of T_SoundResInfo
	 @bLoop Whether to loop the effect playing, default value is false
	 */
	virtual unsigned int playEffect(const char* pszFilePath, bool bLoop,
                                    float pitch, float pan, float gain);

	/**
	 @brief Stop playing sound effect
	 @param nSoundId The return value of function playEffect
	 */
	virtual void stopEffect(unsigned int nSoundId);

	/**
	 @brief  		preload a compressed audio file
	 @details	    the compressed audio will be decode to wave, then write into an
	 internal buffer in SimpleaudioEngine
	 */
	virtual void preloadEffect(const char* pszFilePath);

	/**
	 @brief  		unload the preloaded effect from internal buffer
	 @param[in]		pszFilePath		The path of the effect file,or the FileName of T_SoundResInfo
	 */
	virtual void unloadEffect(const char* pszFilePath);

	/**
	 @brief  		pause an effect identified by sound id
	 @param[in]		uSoundId 	sound id
	 */
	virtual void pauseEffect(unsigned int uSoundId);

	/**
	 @brief  		pause all playing effects
	 */
	virtual void pauseAllEffects();

	/**
	 @brief  		resume an effect identified by sound id
	 @param[in]		uSoundId 	sound id
	 */
	virtual void resumeEffect(unsigned int uSoundId);

	/**
	 @brief  		resume a effect identified by sound id
	 */
	virtual void resumeAllEffects();

	/**
	 @brief  		stop all playing effects
	 */
	virtual void stopAllEffects();

private:

	void init();
	map<string, FMOD::Sound*> mapEffectSound;
	map<unsigned int, FMOD::Channel*> mapEffectSoundChannel;

	FMOD::System* 	pSystem;
	FMOD::Sound* 	pMusic;   //BGM
	FMOD::Channel* 	pBGMChannel;

	FMOD::ChannelGroup* pChannelGroup;

	unsigned int iSoundChannelCount;

	string sMusicPath;

};

} /* namespace CocosDenshion */
#endif /* FMODAUDIOPLAYER_H_ */