Schema code is becoming a bigger player in the online world. If you’re not already, you should begin marking up all the data you possibly can on your website.
Whilst you can view all possible markup through schema.org, it can be difficult to understand & navigate.
SISTRIX, a company that offers an SEO toolbar suit have brought out a tool to auto-generate schema markup code for videos.
Simply enter your videos URL & let the tool do the rest, try using it at: http://www.sistrix.com/video-rich-snippets/.