avplayeritem
Wait until the status of the player item is AVPlayerItem.Status.readyToPlay . Register for key-value observation of the property, requesting the initial value. ,AVPlayerItem 是影片播放的元素（可以更深入取得影片細部資訊）. 3.AVPlayerLayer 是播放影片時所需定義的畫面介面. 4.AVPlayerViewController 則是Apple所 ...
| 相關軟體 SMPlayer 資訊 | |
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 avplayeritem 相關參考資料
AVPlayerItem | Apple Developer Documentation
Overview. An AVPlayerItem stores a reference to an AVAsset object, which represents the media to be played. If you need to access information about the asset ... https://developer.apple.com duration | Apple Developer Documentation
Wait until the status of the player item is AVPlayerItem.Status.readyToPlay . Register for key-value observation of the property, requesting the initial value. https://developer.apple.com iOS AVFoundation概述. Apple在iOS9之後棄用了之前的 ...
AVPlayerItem 是影片播放的元素（可以更深入取得影片細部資訊）. 3.AVPlayerLayer 是播放影片時所需定義的畫面介面. 4.AVPlayerViewController 則是Apple所 ... https://medium.com iOS AVPlayerItem - 简书
简单点说，AVPlayerItem提供了AVPlayer播放需要的媒体文件，时间、状态、文件大小等信息，是AVPlayer媒体文件的载体。 二.基本使用方法. 2.1初始化播放器 https://www.jianshu.com Observing Playback State | Apple Developer Documentation
Overview. AVPlayer and AVPlayerItem are dynamic objects whose states change frequently. A simple way to observe and respond to these state changes is to ... https://developer.apple.com status | Apple Developer Documentation
Discussion. When a player item is created, its status is AVPlayerItem.Status.unknown , meaning its media hasn't been loaded and has not yet been enqueued ... https://developer.apple.com 浅谈AVPlayer和AVPlayerItem - 简书
2016年6月24日 — An AVPlayerItem carries a reference to an AVAsset as well as presentation settings for that asset. This class is intended to represent presentation ... https://www.jianshu.com 用Swift 製作播放器！iOS AVPlayer 教學（一）：設定並播放 ...
2019年9月16日 — 當要初始化AVPlayer 時，可以透過指定AVPlayerItem 來初始化，而AVPLayerItem 可以透過AVAsset 來初始化，因此新增一個function 如下： https://medium.com |