Hmm, video processing shouldn't take longer than a few hours at most (and may be longer for higher res formats). Here's a few tips for videos stuck in upload too: https://goo.gl/gH99rS . Hope this helps!
@TeamYouTube I need help my video won't upload and It's been stuck on this for an hour now.pic.twitter.com/IfvcBAFZHV
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Thanks. I'll see if any of these tips work.
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