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Unreal Media Texture - purple debug padding line?

Hi!

I keep having an issue with a purple line appearing in my video (screenshot). I think it might be some debug line showing that the video size does not match the outline but I can't find any way to turn it off or be able to turn it black or adjust the scale so it would not appear. The video is played through Media Texture. I followed this tutorial how to make it:

https://docs.unrealengine.com/en-us/Engine/MediaFramework/HowTo/FileMediaSource

This is in mobile development environment for Samsung Tab S4, screenshot taken from Tab.

alt text

Product Version: UE 4.22 Preview
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ueprob.jpg (484.9 kB)
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asked Feb 13 '19 at 03:14 PM in Rendering

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TheoT
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