Videopian

Videopian is a PHP class that allows you to get any kind of information (such as title, description, author, duration, or flash player URL) about a video hosted on a video sharing service, just by its URL. The currently supported services are Blip, Dailymotion, Flickr (API key required), Google Video, Metacafe, MySpace, Veoh (API key required), Vimeo, and YouTube.