You can import any URL <x id="START_LINK"/>supported by youtube-dl<x id="CLOSE_LINK"/> or URL that points to a media file. You should make sure you have diffusion rights over the content it points to, otherwise it could cause legal trouble to yourself and your instance.
网址<x id="START_LINK"/>由youtube-dl 支持<x id="CLOSE_LINK"/> 的网址或指向媒体文件的网址链接。您你应该确保您你对它指向的内容拥有扩散传播权,否则它可能会给您自己和您你自己和你的网站带来法律麻烦。