You should use it like : http://gdata.youtube.com/feeds/api/videos?author=
Youtube API offers depending on how the data are available. Request the feed URL for projection specify whether you want to return any portion of the data. http://gdata.youtube.com/feeds/
Currently, projection has been prepared two types.One is 1) api and 2) base .
1) api : yt schema and returns data media containing all the elements and schema extensions. All property is text. Typically used here.
2) base : Returns the data element was removed several extensions. Property and property summary HTML content is included. Such as when to load and use a feed reader.
For example, a simple application to display the search results to get the formatted data containing HTML is specified as follows. http://gdata.youtube.com/feeds/
You people can get more ideas from here : http://tinyurl.com/6yl8grv