Why are not all sources coded?

p... — Sep 20, 2017 07:55AM EDT

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Hi all,
This happen with just some videos: recorded in 1280x720.
Most sources are encoded, but not the 720p.
Screen shot: https://www.screencast.com/t/G20etrbrcA
Is there something I have to do in my end?
Appreciate all help! :)
Pat