Hi everyone, (i apologise for my english)
I have a weird export problem. So I'm editing video for my youtube channel to make us appear on a infinite white background.
To obtain this result we use the opacity mask bezier and we do the trick, and we play with lumetri to match the white color matte underneath the video.
My problem is, once the export done in H264 hi bitrate, the lumetri inside the mask get wrong but only on some screen !
On my monitor (samsung uwqhd 1440p) i don't see anything, but if i watch it with my phone or an old 720p tv, our opacity mask is getting really yellow. So we can actuallly see the mask as it doesnt match the white background anymore.
This problem doesn't happen with an old version of premiere pro that myu friend use to do the final export (2017) it appears to me when i use the 2018 and now the 2019.
The strangest thing to me is that if i try to screenshot my phone screen to show the problem, the screenshot is having the right color... how is it possible ? is that a codec export problem ?
https://drive.google.com/open?id=13mr-14CjcYorJIYfbOlwPo1QTVsi_5rD
Here is a link of a 10 sec video. Same here nothing with VLC on my monitor, but on my phone, ouch.
By reading all the forum i could find with lumetri problem, the closest i find is one with a red abberation problem. The guy solved it by applying the "auto color" effect on his video. So it works for me too for this problem but it totally change the color of the videos, so it's not really a solution.
Thanks
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