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Media Encoder ignoring color space

Explorer ,
Jan 17, 2025 Jan 17, 2025

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Working with footage from C70 camera shot today with C-LOG-3 and cine gamut. Shot with HEVC 10 bit 4:2:0 (Full Range). Interpreting the color space as such and everything looks fine.

 

Go to export it for review via Frame IO - notice that media encoder completely ignores the color space and reverts back to the CLOG3 footage.

Untitled-1.jpg

 

Only when I switch to Software Encoding does the render look right. Hardware encoding does not respect the color space change. I reinstalled the latest Nvidia driver - no change.

 

My sequence color space is Rec 709 - auto tone map is off. Using Tetrahedral as my 3d lut interpolation, viewer gamma 2.2 (web).

My computer

Premiere 25.1.0 (Build 73)

i9 13900K
128GB RAM
RTX 4070 12GB RAM 

NVIDIA Driver: 566.36

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Color , Export

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correct answers 1 Pinned Reply

Adobe Employee , Jan 17, 2025 Jan 17, 2025

Hi @Gospel John - Thanks for submitting your bug report. We need a few more details to try to help with the issue.
When you say Interpreting the color space as such what are your steps in this process?

Can you share a screenshot of your export settings.

Are you using the "Auto Detect Log Video Color Space" in your settings?

Can you check that Media Encoder has "Auto Detect Log Video Color Space" Checked or not.

Sorry for the frustration.

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Adobe Employee ,
Jan 17, 2025 Jan 17, 2025

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Hi @Gospel John - Thanks for submitting your bug report. We need a few more details to try to help with the issue.
When you say Interpreting the color space as such what are your steps in this process?

Can you share a screenshot of your export settings.

Are you using the "Auto Detect Log Video Color Space" in your settings?

Can you check that Media Encoder has "Auto Detect Log Video Color Space" Checked or not.

Sorry for the frustration.

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LEGEND ,
Jan 17, 2025 Jan 17, 2025

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You need to be specific enough we know exactly what steps you take in order, as otherwise it's just guessing.

 

So you're applying a LUT to the file in Premiere? Where?

 

And where is that LUT parked in your system?

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Explorer ,
Jan 17, 2025 Jan 17, 2025

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Interpretting the color space...

 

Import the footage - right click on the footage - Modify - Color:

Untitled-2.jpg

Autodetect Log Video Color Space is OFF in PREMIERE

Untitled-3.jpg

Auto Detect LOG color is OFF in Media Encoder

Untitled-4.jpg

I tested just rendering straight out of Premiere and bypassing Media Encoder - and it WORKS even when Hardware Encoding is enabled. 

 

I tried using Shutter Encoder to convert the C70 HEVC file into a ProRes File without doing any color space conversion - imported it into Premiere then interpreted that ProRes file as CLOG3 color space - dropped it into the timeline. Media Encoder handles the ProRes file exactly as expected - no color rendering errors.

 

It seems to be SPECIFICALLY the HEVC 10 bit 4:2:0 format from the Canon C70 that's causing the issue. I can supply a sample footage if need be to test.

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Explorer ,
Jan 17, 2025 Jan 17, 2025

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Oh - and the Export Settings - I'm just using the "Match Source - Adaptve High Bitrate" Preset with no changes.

Untitled-5.jpg

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Adobe Employee ,
Jan 21, 2025 Jan 21, 2025

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Hi @Gospel John - I am unable to reproduce this issue.  Can you upload a test file or email to jamiec@adobe.com 

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New Here ,
Jan 27, 2025 Jan 27, 2025

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I am having the same issue. When I export out of Premiere the color looks great but when I use Media Encoder my footage looks like log footage. Same issue when I use Frame.io to use Media Encoder. This is all Canon Log3 with the Override Media Color Space to Canon Log3/Cinema Gamut. 

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Adobe Employee ,
Jan 27, 2025 Jan 27, 2025

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Hi @logand760 - can you post your screenshots like gospel John did and let us know your reproducible steps.  Can you also post your system specs

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