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Premiere Pro h264 gamma shift

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mitchell wever
Premiere Pro h264 gamma shift
on Feb 8, 2017 at 9:07:42 pm

Hi Guys,

I have this problem in Premiere Pro on my iMac, that is really confusing me and and I can't find the solution.

When I export color graded footage from Da Vinci Resolve and import the footage into Premiere Pro, the colours look the same. But when I export from Premiere Pro to H264 or quicktime prores, the colours look desaturated and contrast a bit flat on Youtube and Vimeo.

Does anyone know a solution to this problem? please help!



Mitchell


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Dave LaRonde
Re: Premiere Pro h264 gamma shift
on Feb 8, 2017 at 11:36:09 pm

You didn't fool around with color management, or worse, lookup tables... did you?

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Chris Wright
Re: Premiere Pro h264 gamma shift
on Feb 9, 2017 at 1:32:18 am

are you using a P3 monitor? also, premiere only understands rec. 709 rgb 0-255 not legal video range.

you could make a "fix it" lut. I use this free one.
https://sellfy.com/p/aQ1y/

next time BEFORE you grade,
uncheck davinci Use Mac Display Color Profile for viewers option in the settings:

for youtube either
1. upload prores

2. h.264 gamma fix
fixmyyoutube
https://f1.creativecow.net/10598/fixmyyoutube
cube iridas lut for burning in darker 16-235 from 0-255 for youtube upload. it darkens image, then youtube re-lightens again.
it doesn't work with adjustment layers directly, you have to use it in the dropdown for the export in adobe media encoder. or you can NEST it first. its a premiere bug. also it needs to be copied in both premiere-lumetri-technical and adobe media encoder-lumetri-technical


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