The MediaRSS format is not a standalone format like RSS or Atom, but an extension to RSS 2.0. It is aimed at enhancing the enclosure capabilities already present in RSS 2.0. As said before, it is possible to use the extension with Atom too. Additionally, to the syndication of audio files and images, MediaRSS can handle other enclosure types like short films or TV and also provides additional metadata with the media. The namespace for MediaRSS is defined to be http://search.yahoo.com/mrss/.
The trailing slash of the namespace URL is important!
The MediaRSS format comes with two base elements—
media:content. These two elements are used for primary multimedia enclosure (
media:content) and to structure these ...