Ios 如何使用AVPlayer播放数据类型视频?
我试图播放视频后,我从远程下载使用以下代码Ios 如何使用AVPlayer播放数据类型视频?,ios,swift,avplayer,Ios,Swift,Avplayer,我试图播放视频后,我从远程下载使用以下代码 let player = AVPlayer(url: URL(dataRepresentation: VideoService.instance.videoInfoArray[0].video, relativeTo: nil)!) let playerController = AVPlayerViewController() playerController.player = player present(playerController, anim
let player = AVPlayer(url: URL(dataRepresentation: VideoService.instance.videoInfoArray[0].video, relativeTo: nil)!)
let playerController = AVPlayerViewController()
playerController.player = player
present(playerController, animated: true) {
player.play()
}
我的VideoService类是单例类,视频变量类型是Data()
。然而,当我尝试用下面的代码播放视频时,它不起作用。如何使用data Representation播放视频 根据初始值设定项init?(dataRepresentation:relativeTo:IsaSolute:)
接受数据
参数,是的,但该数据应该是URL字符串的ASCII表示,而不是您想要播放的实际数据
您需要做的是将视频数据保存到文件中,并使用文件的URL初始化AVPlayer
guard let url = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)?.first else { return }
url.appendPathComponent("video.mpeg") // or whatever extension the video is
VideoService.instance.videoInfoArray[0].video.write(to: url) // assuming video is of Data type
let player = AVPlayer(url: url)
// other stuff with the player
要确定播放机无法播放您的文件的原因,请使用。如果观察到对AVPlayer.Status.failed
的更改,则可以检查播放机的error
属性以查看本地化原因和错误代码
var playerStatusContext = 0
player.addObserver(player, forKeyPath: "status", options: [.new, .initial], context: &playerStatusContext)
// (...)
override func observeValue(forKeyPath keyPath: String?,
of object: Any?,
change: [NSKeyValueChangeKey : Any]?,
context: UnsafeMutableRawPointer?) {
// Only handle observations for the playerItemContext
guard context == &playerStatusContext else {
super.observeValue(forKeyPath: keyPath,
of: object,
change: change,
context: context)
return
}
if keyPath == #keyPath(AVPlayer.status) {
let status: AVPlayer.Status
if let statusNumber = change?[.newKey] as? NSNumber {
status = AVPlayer.Status(rawValue: statusNumber.intValue)!
} else {
status = .unknown
}
if status == .failed {
print(player.error)
}
}
}
感谢现在它是工作,我添加了不必要的文件路径,但现在它是确定的。然而,若我想将视频保存到核心数据中,那个么将路径保存到核心数据中就足够了吗?