Noopur, 01/05/2014 08:00:
Not sure if this still works (disclosure: I work with Commons Machinery) but we had a similar conversation regarding Flickr and some people on twitter found this useful: http://commonsmachinery.se/2014/02/copyrdf-addon-updates-oembed-site-rules/
Thanks. There is a bug asking oEmbed support: https://bugzilla.wikimedia.org/show_bug.cgi?id=25854
Nemo