ios中的视频播放

@property (nonatomic,strong)
AVPlayer *player;

@property (nonatomic,strong)
AVPlayerItem *item;

@property (nonatomic,strong)
AVPlayerLayer *playerLayer;

@property (weak,
nonatomic) IBOutlet
UIView *myView;

self.item = [[AVPlayerItem
alloc] initWithURL:[NSURL
URLWithString:@""]];

self.player = [[AVPlayer
alloc] initWithPlayerItem:self.item];

_playerLayer = [AVPlayerLayer
playerLayerWithPlayer:_player];

_playerLayer.frame =
CGRectMake(0,
0, _myView.frame.size.width,
_myView.frame.size.height);

_playerLayer.videoGravity =
AVLayerVideoGravityResizeAspect;

[self.myView.layer
addSublayer:_playerLayer];

[self.player
play];