AVPlay播放视频_piay视频海量v

@property (nonatomic, retain, nullable) AVPlayer *player;
 
 
 
NSString *urlStr= [[NSBundle mainBundle]pathForResource:@"demo.mp4" ofType:nil];
 
NSURL *url=[NSURL fileURLWithPath:urlStr];
 
AVPlayerItem *playerItem=[AVPlayerItem playerItemWithURL:url];
 
_player=[AVPlayer playerWithPlayerItem:playerItem];
 
//没这句话会死很久的，，，，
 
AVPlayerLayer *playerLayer=[AVPlayerLayer playerLayerWithPlayer:self.player];
 
playerLayer.frame = self.view.bounds;
 
[self.view.layer addSublayer:playerLayer];
 
 
[self.player play];