Objective-C如何立即在MPMoviePlayerController或AVPlayer上播放视频，没有延迟？

Question

我曾尝试在AVPlayer和MPMoviePlayerController上播放500 KB视频，但它们都有一点点烦人的延迟。 AVPlayer和MPMoviePlayerController都显示黑屏2-3秒，然后启动视频。那真的很烦人，为什么视频开始需要这么长时间？我该如何解决？

 //Movie Player Code
_moviePlayerVC = [[MPMoviePlayerViewController alloc] initWithContentURL:video];
    _moviePlayerVC.moviePlayer.view.userInteractionEnabled = YES;
    _moviePlayerVC.moviePlayer.view.multipleTouchEnabled = YES;
    _moviePlayerVC.moviePlayer.repeatMode = MPMovieRepeatModeOne;
    _moviePlayerVC.moviePlayer.controlStyle = MPMovieControlStyleNone;
    _moviePlayerVC.moviePlayer.scalingMode = MPMovieScalingModeFill;
    _moviePlayerVC.moviePlayer.view.frame = self.frame;
    [_moviePlayerVC.moviePlayer setShouldAutoplay:YES];
    _moviePlayerVC.view.frame = self.frame;

    [self addSubview:_moviePlayerVC.view];

//AVPlayer Code
AVAsset *asset = [AVAsset assetWithURL:video];
    AVPlayerItem *item = [[AVPlayerItem alloc] initWithAsset:asset];
    _player = [[AVPlayer alloc] initWithPlayerItem:item];
    _player.actionAtItemEnd = AVPlayerActionAtItemEndNone;
    AVPlayerLayer *layer = [AVPlayerLayer playerLayerWithPlayer:_player];
    layer.frame = self.frame;
    layer.backgroundColor = [UIColor clearColor].CGColor;
    [layer setVideoGravity:AVLayerVideoGravityResizeAspectFill];

Answer 1

您可以预加载AVPlayer并观察其status。一旦更改AVPlayerStatusReadyToPlay，您就可以毫不拖延地开始播放。