When loading the entity...

$entity = media_multi_load($media_entity_id);

We need to extract the type replace...

var example = Popcorn.youtube(

with something like...

var example = Popcorn.' . $type . '(

Along those lines, "example" should probably change as well.

http://drupalcode.org/sandbox/kreynen/1795178.git/blob/refs/heads/master...