我正在尝试加载一个需要 header 中的 token 的视频文件。我在 Stackverflow 上了解到,这可能是通过查看以下 question 来实现的。问题是我不相信 AVURLAssetHTTPHeaderFieldsKey 是公开的,或者我错误地编写了我的 Assets 变量。我想要做的是将 token 添加到标题中,以便 AVPlayer 加载视频文件。到目前为止,这是我的代码,它只显示播放器,但没有加载我猜的视频,因为我的标题设置不正确:
NSURL *videoURL = [NSURL URLWithString:cell.media[@"redirectionUrl"]];
NSMutableDictionary * headers = [NSMutableDictionary dictionary];
[headers setObject:[CMUser currentUser].token forKey:@"Authorization"];
AVURLAsset *asset = [AVURLAsset URLAssetWithURL:videoURL options:@{@"AVURLAssetHTTPHeaderFieldsKey" : headers}];
AVPlayerItem * item = [AVPlayerItem playerItemWithAsset:asset];
AVPlayer *player = [[AVPlayer alloc] initWithPlayerItem:item];
AVPlayerViewController *playerViewController = [AVPlayerViewController new];
playerViewController.player = player;
playerViewController.modalPresentationStyle = UIModalPresentationOverFullScreen;
[self presentViewController:playerViewController animated:YES completion:nil];
最佳答案
在您的代码中一切正常。这可能会在授权 token 中发出。
Please check following code it's completely same as yours. *In Swift 4.0
//MARK:- setting player
fileprivate func setPlayRemoteUrl() {
if playUrl == nil || playUrl == "" {
return
}
removeAllObserver()
resettingObject()
let headerFields: [String:String] = ["User-Agent":"6y2zxABAb8oqeNec"]
let asset: AVURLAsset = AVURLAsset.init(url: URL(string: self.playUrl)!, options: ["AVURLAssetHTTPHeaderFieldsKey": headerFields])
self.playerItem = AVPlayerItem(asset: asset)
self.player = AVPlayer.init(playerItem: playerItem)
playerLayer = AVPlayerLayer(player: player)
playerLayer?.videoGravity = AVLayerVideoGravity.resizeAspect
playerLayer?.contentsScale = UIScreen.main.scale
layer.insertSublayer(playerLayer!, at: 0)
setAllObserver()
}
关于ios - 为 AVURLAssets 设置 HTTP header 字段,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51797343/