//监听播放状态@"playURL" /@"playState"

#define kLZBAudioPlayerURLAndStateChangeNotification @"LZBAudioPlayerURLAndStateChangeNotification"

typedef NS_ENUM(NSInteger, LZBAudioPlayerState){
LZBAudioPlayerState_UnKnown = 0, //未知
LZBAudioPlayerState_Loading = 1, //加载中
LZBAudioPlayerState_Playing = 2, //播放中
LZBAudioPlayerState_Stoped  = 3, //停止
LZBAudioPlayerState_Pause   = 4, //暂停
LZBAudioPlayerState_Failed  = 5, //失败

};

@interface LZBAudioPlayer : NSObject

#pragma  mark - 数据

/**
是否静音 - 双向
*/
@property (nonatomic, assign) BOOL muted;
/**
倍速控制 - 双向
*/
@property (nonatomic, assign) float rate;
/**
音量控制 - 双向
*/
@property (nonatomic, assign) float volume;
/**
音频总时长
*/
@property (nonatomic, assign, readonly) NSTimeInterval totalTime;
@property (nonatomic, strong, readonly) NSString *totalTimeFormat;
/**
当前播放时长
*/
@property (nonatomic, assign, readonly) NSTimeInterval currentTime;
@property (nonatomic, strong, readonly) NSString *currentTimeFormat;
/**
当前播放进度
*/
@property (nonatomic, assign, readonly) float progress;
/**
当前加载进度
*/
@property (nonatomic, assign, readonly) float loadProgress;
/**
当前播放URL
*/
@property (nonatomic, strong, readonly) NSURL *currentURL;

/**
当前播放播放状态
*/
@property (nonatomic, assign, readonly) LZBAudioPlayerState state;

#pragma mark - API

//单例
+ (instancetype)shareInstance;

/**
播放url  isSupportCache：是否要下载缓存
*/
- (void)playWithURL:(NSURL *)url isSupportCache:(BOOL)isSupportCache;

/**
暂停
*/
- (void)pause;

/**
继续播放
*/
- (void)resume;

/**
停止
*/
- (void)stop;

/**
快进  快退 differ
*/
- (void)seekWithTimeDiffer:(NSTimeInterval)differ;

/**
指定播放进度播放
*/
- (void)seekWithProgress:(CGFloat)progress;