Video processing shouldn't take longer than a few hours at most (and may be longer for higher res formats). How long has yours been showing that it's still processing? Here's a few tips for videos stuck in upload too: https://goo.gl/gH99rS
-
-
-
5-10 mins
End of conversation
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.