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Canon R5 premiere pro simple 4k ALL-I 25p BUG baaaad color manegment

New Here ,
Aug 01, 2020

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604A0037.MP4.00_02_07_18.Still001.jpg

 i cant even do proxy work... im defenetly thinking on abandon ship to resolve.. ffs look at what the F is happening with the colors

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Canon R5 premiere pro simple 4k ALL-I 25p BUG baaaad color manegment

New Here ,
Aug 01, 2020

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604A0037.MP4.00_02_07_18.Still001.jpg

 i cant even do proxy work... im defenetly thinking on abandon ship to resolve.. ffs look at what the F is happening with the colors

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Advocate ,
Aug 01, 2020

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when doing major adjustments to levels any editor and color correction program will sometimes start introducing 'tints' to the video... like you are trying to do too much in one go. It is sometimes much better to do the adjustments in 'stages'... little by little... gradually making something that was incorrectly exposed to begin with ( from camera ) to be the best it can be.

 

 

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Advocate ,
Aug 01, 2020

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you probably had overexposed window that you brought way down to get detail there and then brought the foreground ( person ) UP a lot, to get detail there ( instead of a silouette ) ??  Do it in stages ...and see if it's better.

eg. use instances of lumetri to gradually get there... in resolve this would be called 'use nodes' ( kinda like layers in a way ) to get there.

 

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New Here ,
Aug 02, 2020

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this is untouched, just r5 log footage, not even on a time line....

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Community Beginner ,
Aug 02, 2020

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I am getting this as well....all footage looks fine (no grading, properly exposed, no effects... just the plain footage) when it is playing but as soon as you stop (or start or hold in pause for a while) it goes into some weird colour mode...this happens in the media browser window and the sequence window...also it renders incorrectly ie in this weird colour mode (I tried transcoding in Media Encoder and it too transcoded with this weird colour problem)...this is for all flavours (always in C log though) ie All I, IPB, 4K HQ 4K normal and 8K All I...also if you export a photo frame it also has this weird colour mode.....Canon 1dx mk3 footage was all fine...no issues...I have never seen this before and this is on the latest release of Premiere 14.3.1.....I checked and acoording to Adobe this version should work with the Canon R5 footage....any ideas Adobe?

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Community Beginner ,
Aug 03, 2020

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I have been playing a bit more and think the problem is with the H265 4:2:2 compression...if I turn off the c log and just use the normal h264 (as you get H265 4:2:2 whenever you set c log as enabled in All-I or IPB..unless it is 8K raw of course) then the colour is fine in all flavours...in 8k raw c log 2 or 3 it is also okay as this is a crm file....so H265 4:2:2 seems to be the problem....Adobe please address as these H265 4:2:2 compressions are very neccessary!!

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Adobe Employee ,
Aug 04, 2020

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Hi there,

 

We're sorry about the poor experience. We would like to get this checked. Could you please provide a download link for the sample media with which you are experiencing this issue. It will help us to diagnose the issue properly at our end.

 

Thanks,

Sumeet

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Community Beginner ,
Aug 04, 2020

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Here is a link to some footage that is not correctly rendering (it plays okay but sometimes if you pause or stop it, it will show the colour incorrectly...and if you export a frame then it will show the incorrect colour render)...

https://www.dropbox.com/s/1jwj7pqorlg369y/5R7A0394.MP4?dl=0

It is canon R5 4k fine c log 23.976 footage...this means that it is 10 bit 4:2:2 H265 footage....if I turn off c log then all is good..the footage, I believe, then becomes 8 bit 4:2:0 H264......

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Adobe Employee ,
Aug 05, 2020

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Hi briskin,

 

Thanks for the sample media. We are able to reproduce this issue at our end. We will get this issue checked by our team and will try our best to get this addressed as soon as possible. Thanks for your patience.


-Sumeet

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Community Beginner ,
Aug 06, 2020

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Thanks Sumeet!

I hope it is an easy fix as all the good quality codex that the Canon R5 has are based on this H265 10 bit 4:2:2 ...

Cheers

David

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Advocate ,
Aug 04, 2020

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Brisk, I'm not sure what I'm seeing in the first post image...whether it is posterization or introduction of tint due to forcing color correction too much too fast... are you experiencing the same thing when you say, " the color gets weird " ????

Or are you saying you go from log ( flat but corrected with your lut or adjustments to rec 709 ) and what you export is like dramatically different in some way ?? 

This is complicated.

I watched a video by Canon ( what is canon C log search used to find it ) and it says it is 8 bit 4.2.2 I think.

I also watched a video about how to color correct for Canon C log without a lut, but using resolve 15.

 

There are warnings that the Canon guy video said and other sites, re: using Canon C log for every shooting situation ... some situations are problematic and introduce weird stuff to footage but that's another story I guess.

 

Anyway, thanks for your file ( I just downloaded ) and this interesting subject.

🙂

 

 

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Community Beginner ,
Aug 04, 2020

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this is straight footage from the camera...nothing done to it.....Canon say that the c-log is 10 bit 4:2:2 H265...this is where the problem is...others have observed that Adobe is misinterpreting H265 footage..what confuses me is that the footage plays correctly in the timeline or media window but if you stop it or pause it usually goes into weird colour mode and if you render it out it will also go into weird colour mode...so far I have not been able to render anything correctly (I am not applying any changes...just straight from camera to timeline) that is in C-Log...once I turn C-Log off all is good!...problem is that I need C-log in order to grade with other footage from C series cameras.....

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Community Beginner ,
Aug 04, 2020

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Also, just so that you understand what I mean by 'weird colour mode'....the effect is just the same as the example that Frederico posted at the beginning of this thread.....

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