CYAudioStream是基于开源框架FreeStreamer封装的流媒体播放器。在FreeStreamer的基础上优化了播放、缓冲进度等事件的回调方式，CYMusicPlayer封装了基本的列表播放业务，简单易用。
- 支持音频格式等基本特性请查看FreeStreamer
- 支持在线音频边存边播
- 支持后台播放
- 支持耳机、锁屏远程事件响应
- 支持播放列表管理
将CYAudioStream文件夹拖拽至工程目录下，在build phases中导入依赖库：
- UIKit.framework
- libxml2.tbd
- AVFoundation.framework
- AudioToolBox.framework
- CFNetworking.framework
- MediaPlayer.framework
- FreeStreamer.framework
为了防止编译通过后运行时报“image not found”找不到镜像的错误，需要在build phases中新建一个copy file phase
注意： demo中默认的FreeStreamer.Framework是由lipo命令合成的真机+模拟器动态库，方便开发阶段使用模拟器调试，打包时请手动将其替换为iphones_freestream目录下的真机动态库。
使用时，导入CYMusicPlayer,
#import "CYMusicPlayer.h"然后通过CYMusicPlayer单例方法创建音乐播放器，并设置播放列表使用即可，
self.player = [CYMusicPlayer sharedPlayer];
self.player.audioStream.delegate = self;
CYAudioStreamModel *model0 = [[CYAudioStreamModel alloc] init];
model0.sourceUrl = _music0Url;
model0.title = @"music0";
[self.player.playList addObject:model0];
CYAudioStreamModel *model1 = [[CYAudioStreamModel alloc] init];
model1.sourceUrl = _videoUrl0;
model1.title = @"music1";
[self.player.playList addObject:model1];
[self.player play];播放进度等回调播放相关回调由CYAudioStreamDelegate提供，
@protocol CYAudioStreamDelegate <NSObject>
@optional
- (void)CYAudioStreamPlayingDidCompleted:(CYAudioStream *)audioStream;
- (void)CYAudioStreamPlayingDidFailed:(CYAudioStream *)audioStream;
- (void)CYAudioStream:(CYAudioStream *)audioStream playPositionDidChange:(CYAudioStreamPosition)position;
- (void)CYAudioStream:(CYAudioStream *)audioStream bufferProgressDidChange:(CGFloat)progress;
- (void)CYAudioStream:(CYAudioStream *)audioStream stateDidChange:(CYAudioStreamState)state;
@endCYRemoteControlObserver会自动监听和处理远程控制事件，如需后台播放，须在capabilities中对Background Modes进行设置。
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