Introduction
The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to allow any web page to have the same functionality as any other object on Facebook.
Homepage:
http://ogp.me/
The Open Graph protocol for video
1. og:type values: video.movie
video:actor - profile array - Actors in the movie. video:actor:role - string - The role they played. video:director - profile array - Directors of the movie. video:writer - profile array - Writers of the movie. video:duration - integer >=1 - The movie's length in seconds. video:release_date - datetime - The date the movie was released. video:tag - string array - Tag words associated with this movie.
2. og:type values: video.episode
video:actor - Identical to video.movie video:actor:role video:director video:writer video:duration video:release_date video:tag video:series - video.tv_show - Which series this episode belongs to.
3. og:type values: video.tv_show
A multi-episode TV show. The metadata is identical to video.movie.
4. og:type values: video.other
A video that doesn’t belong in any other category. The metadata is identical to video.movie.
Example:
<meta property="og:video" content="http://example.com/movie.swf" /> <meta property="og:video:secure_url" content="https://secure.example.com/movie.swf" /> <meta property="og:video:type" content="application/x-shockwave-flash" /> <meta property="og:video:width" content="400" /> <meta property="og:video:height" content="300" />