IOS 播放音频流媒体

#pragma mark - 加载播放数据

- (void)loadData:(NSString *)musicUrl

{

NSURL *playURL = [NSURL URLWithString:musicUrl];

self.playerItem = [AVPlayerItem playerItemWithURL:playURL];

//创建单利对象

self.playStationDetailsManager = [StationDetailsManager defaultManager];

[_playStationDetailsManager.avPlayer replaceCurrentItemWithPlayerItem:self.playerItem];

[self.playerItem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:nil];//监听status属性

//添加音乐播放结束通知

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(stopPlay) name:AVPlayerItemDidPlayToEndTimeNotification object:self.playerItem];

//进入就播放

[_playStationDetailsManager.avPlayer play];

}

#pragma mark 设置监听歌曲的方法，并进行页面赋值

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

{

AVPlayerItem *playerItem = (AVPlayerItem *)object;

if ([keyPath isEqualToString:@"status"]) {

//准备播放

if ([playerItem status] == AVPlayerStatusReadyToPlay) {

CMTime duration = self.playerItem.duration;//获取MP3的总长度

self.playView.planSlider.maximumValue = CMTimeGetSeconds(duration);//设置滑竿的最大值

NSLog(@"%f",CMTimeGetSeconds(duration));

[self monitoringPlayback:self.playerItem];//监听播放的状态

}else if ([playerItem status] == AVPlayerStatusFailed){

//加载失败

NSLog(@"加载失败");

}

}

}