Cannot upload video to iTunesConnect: The frame rate of your app video preview is too high

Question

I made an App Store preview video using QuickTime player on OS X Yosemite.
When I try to upload the video to iTunesConnect, I get an error message:

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Answer 1

For Quicktime videos user this command, worked for me fine:

ffmpeg -i demo_app.mov -qscale 0 -r 24 -y -vf scale=1080:1920,setsar=1:1 app_preview.mov