NSURL *url = [NSURL URLWithString:@"http://www.w3school.com.cn/example/html5/mov_bbb.mp4"];

self.loader = [MResourceLoader new]; // instance hold mresourceloader
AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:[MResourceScheme mrSchemeURL:url] options:nil];
[asset.resourceLoader setDelegate:self.loader queue:dispatch_get_main_queue()];

AVPlayerItem *playitem = [AVPlayerItem playerItemWithAsset:asset];
AVPlayer *player = [AVPlayer playerWithPlayerItem:playitem];
AVPlayerLayer *playLayer = [AVPlayerLayer playerLayerWithPlayer:player];
playLayer.frame = CGRectMake(50, 100, 300, 400);
playLayer.backgroundColor = [UIColor blackColor].CGColor;
[self.view.layer addSublayer:playLayer];
[player play];