100 lines
5.1 KiB
C
100 lines
5.1 KiB
C
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#ifndef HGL_AUDIO_PLAYER_INCLUDE
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#define HGL_AUDIO_PLAYER_INCLUDE
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// #include<hgl/HAC.H>
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#include<hgl/thread/Thread.h>
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#include<hgl/thread/ThreadMutex.h>
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#include<hgl/audio/OpenAL.h>
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#include<hgl/audio/AudioSource.h>
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#include<hgl/algorithm/VectorMath.h>
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using namespace openal;
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namespace hgl
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{
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namespace io
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{
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class InputStream;
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}//namespace io
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struct AudioPlugInInterface;
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/**
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* 使用AudioPlayer创建的音频播放器类，一般用于背景音乐等独占的音频处理。
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* 这个音频播放器将使用一个单独的线程，在播放器被删除时线程也会被关闭。
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*/
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class AudioPlayer:public Thread ///音频播放器基类
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{
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ThreadMutex lock;
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public:
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enum PlayState //播放器状态
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{
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psNone=0,
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psPlay,
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psPause,
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psExit
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};
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#include<hgl/audio/AudioPlayer.Attrib.h>
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public: //属性
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Property<uint> Index; ///<音源索引
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Property<double> Time; ///<音频总时间
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Property<PlayState> State; ///<播放器状态
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Property<int> SourceState; ///<音源状态
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Property<float> MinGain; ///<最小增益
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Property<float> MaxGain; ///<最大增益
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Property<bool> Loop; ///<是否循环播放虚拟变量
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Property<float> Pitch; ///<播放频率
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Property<float> Gain; ///<音量增益幅度
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Property<float> ConeGain; ///<
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Property<float> RolloffFactor; ///<
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public: //属性方法
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const Vector3f & GetPosition(){return audiosource.position;} const
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void SetPosition(const Vector3f &pos){audiosource.SetPosition(pos);}
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const Vector3f & GetVelocity(){return audiosource.velocity;} const
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void SetVelocity(const Vector3f &vel){audiosource.SetVelocity(vel);}
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const Vector3f & GetDirection(){return audiosource.direction;} const
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void SetDirection(const Vector3f &dir){audiosource.SetDirection(dir);}
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const void GetDistance(float &ref_distance, float &max_distance)const{audiosource.GetDistance(ref_distance,max_distance);} const
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void SetDistance(const float &ref_distance,const float &max_distance){audiosource.SetDistance(ref_distance,max_distance);}
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const ConeAngle & GetConeAngle(){return audiosource.angle;} const
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void SetConeAngle(const ConeAngle &ca){audiosource.SetConeAngle(ca);}
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public: //方法
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AudioPlayer();
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AudioPlayer(io::InputStream *,int,AudioFileType);
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AudioPlayer(const os_char *,AudioFileType=aftNone);
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// AudioPlayer(HAC *,const os_char *,AudioFileType=aftNone);
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virtual ~AudioPlayer();
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virtual bool Load(io::InputStream *,int,AudioFileType); ///<从流中加载一个音频文件
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virtual bool Load(const os_char *,AudioFileType=aftNone); ///<加载一个音频文件
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// virtual bool Load(HAC *,const os_char *,AudioFileType=aftNone); ///<从HAC包中加载一个音频文件
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virtual void Play(bool=true); ///<播放音频
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virtual void Stop(); ///<停止播放
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virtual void Pause(); ///<暂停播放
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virtual void Resume(); ///<继续播放
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virtual void Clear(); ///<清除音频数据
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virtual double GetPlayTime(); ///<取得已播放时间(单位秒)
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virtual void SetFadeTime(double,double); ///<设置淡入淡出时间
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virtual void AutoGain(float,double); ///<自动音量
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};//class AudioPlayer
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}//namespace hgl
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#endif//HGL_AUDIO_PLAYER_INCLUDE
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