你能控制AVURLAsset
加载它需要的数据的方式吗?我需要添加自定义 HTTP header (ICY-MetaData=1
),但似乎不知道如何操作。
最佳答案
显然,AVPlayer
会自动从 Icecast 请求元数据。下面的代码完美运行。
class ViewController: UIViewController {
var Player: AVPlayer!
var PlayerItem: AVPlayerItem!
override func viewDidLoad() {
super.viewDidLoad()
PlayerItem = AVPlayerItem(URL: NSURL(string: "http://live.machine.fm/aac"))
PlayerItem.addObserver(self, forKeyPath: "timedMetadata", options: nil, context: nil)
Player = AVPlayer(playerItem: PlayerItem)
Player.play()
}
override func observeValueForKeyPath(keyPath: String, ofObject object: AnyObject, change: [NSObject : AnyObject], context: UnsafeMutablePointer<Void>) -> Void {
if keyPath != "timedMetadata" { return }
var data: AVPlayerItem = object as AVPlayerItem
for item in data.timedMetadata as [AVMetadataItem] {
println(item.value)
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
关于ios - AVPlayer 的定时元数据,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27955125/