待修正，Apple TV 的tvOS13 AirPlay不work；
https://ask.csdn.net/questions/1694
NSString *secondVideoPath = [[NSBundle mainBundle] pathForResource:@"video1" ofType:@"mp4"];
NSString *firstVideoPath = [[NSBundle mainBundle] pathForResource:@"video2" ofType:@"mp4"];
AVPlayerItem *firstVideoItem = [AVPlayerItem playerItemWithURL:[NSURL fileURLWithPath:firstVideoPath]];
AVPlayerItem *secondVideoItem = [AVPlayerItem playerItemWithURL:[NSURL fileURLWithPath:secondVideoPath]];
AVQueuePlayer* queuePlayer = [AVQueuePlayer queuePlayerWithItems:[NSArray arrayWithObjects:firstVideoItem, secondVideoItem,nil]];
AVPlayerLayer *layer = [AVPlayerLayer playerLayerWithPlayer:queuePlayer];
avPlayer.actionAtItemEnd = AVPlayerItemStatusReadyToPlay;
layer.frame = CGRectMake(0, 0, 1024, 768);
[self.view.layer addSublayer:layer];
[queuePlayer play];
