Created
December 29, 2017 00:09
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Crop & scale iPhoneX video from iMovie for App Preview
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| # Still undocumented here https://developer.apple.com/support/app-previews/ | |
| # or here https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/iTunesConnect_Guide/Chapters/Properties.html | |
| # but iPhoneX App Previews required size is 886x1920 | |
| # Unfortunately, iMovie seems to be dumb and creates a 750x1334 App Preview video from your iPhoneX capture | |
| # -- and with black margins on the side | |
| # So you need to crop & scale the video up before you submit it to iTunesConnect: | |
| ffmpeg -i iPhoneX-iMovie.mp4 -filter:v "crop=616:1334:68:0" -c:a copy cropped.mp4 | |
| ffmpeg -i cropped.mp4 -vf scale=886:1920 -c:a copy iPhoneX-final.mp4 |
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