RedCore/cocos2d/cocos/audio/linux/AudioEngine-linux.h

/****************************************************************************
 Copyright (c) 2015-2017 Chukong Technologies Inc.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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#include "platform/CCPlatformConfig.h"

#if CC_TARGET_PLATFORM == CC_PLATFORM_LINUX

#ifndef __AUDIO_ENGINE_LINUX_H_
#define __AUDIO_ENGINE_LINUX_H_

#include <functional>
#include <iostream>
#include <map>
#include "fmod.hpp"
#include "fmod_errors.h"
#include "audio/include/AudioEngine.h"

#include "base/CCRef.h"

NS_CC_BEGIN
    namespace experimental{
#define MAX_AUDIOINSTANCES 32

class CC_DLL AudioEngineImpl : public cocos2d::Ref
{
public:
    AudioEngineImpl();
    ~AudioEngineImpl();
    
    bool init();
    int play2d(const std::string &fileFullPath ,bool loop ,float volume);
    void setVolume(int audioID,float volume);
    void setLoop(int audioID, bool loop);
    bool pause(int audioID);
    bool resume(int audioID);
    bool stop(int audioID);
    void stopAll();
    float getDuration(int audioID);
    float getCurrentTime(int audioID);
    bool setCurrentTime(int audioID, float time);
    void setFinishCallback(int audioID, const std::function<void (int, const std::string &)> &callback);
    
    void uncache(const std::string& filePath);
    void uncacheAll();
    

    int preload(const std::string& filePath, std::function<void(bool isSuccess)> callback);
    
    void update(float dt);
    
    /**
     * used internally by ffmod callback 
     */ 
    void onSoundFinished(FMOD::Channel * channel); 
    
private:
  
    /**
    * returns null if a sound with the given path is not found
    */
    FMOD::Sound * findSound(const std::string &path);
  
    FMOD::Channel * getChannel(FMOD::Sound *);
  
    struct ChannelInfo{
        int id;
        std::string path; 
        FMOD::Sound * sound;
        FMOD::Channel * channel; 
        bool loop; 
        float volume; 
        std::function<void (int, const std::string &)> callback;
    };
    
    std::map<int, ChannelInfo> mapChannelInfo;

    std::map<std::string, int> mapId;
    
    std::map<std::string, FMOD::Sound *> mapSound;  
    
    FMOD::System* pSystem;
    
};
}
NS_CC_END
#endif // __AUDIO_ENGINE_LINUX_H_
#endif