不管怎样，这些API已经是API了，没有必要去封装，并且可能更像被作为插件而不是框架的一部分去使用，如视频播放器。

Anyway those API are already APIs and doesn't really need to be encapsulated, and again, will be more likely to be use as plugins than part of the framework like a video player for instance.

youdao

该HTTP直播流媒体协议是QuickTime X，苹果公司多媒体播放器和框架，最新版本的一个特性。

The HTTP live streaming protocol is a feature of the latest version of Apple's multimedia player and framework, QuickTime X.

youdao