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NRowe
Known Participant
Apr 14, 2025 5:12 PM UTC
Open for Voting

Colorspace clipping using add blend modes in OCIO v25.2.2

Hi,

Just upgraded to 25.2.2 and I am having a strange issue with adding layers its like it randomly clips or switches color space from one frame to the next. Only started happening after upgrading AE and NVIDIA.

The screenshots are from the same project just different frames, as you will see it also affects the scopes. Only effect used is 'Fast Box Blur'

Switching to 'Software Only' fixes the issue

    56 replies

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    J5DDE
    Known Participant
    May 5, 2025 1:50 PM UTC

    Thank you Nishu!

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    NRoweAuthor
    Known Participant
    Apr 28, 2025 12:20 PM UTC

    Thanks Nishu

    Good to know its not just me!

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    NRoweAuthor
    Known Participant
    Apr 23, 2025 3:47 PM UTC

    Thanks Nishu,

    My system Spec


    Processor 12th Gen Intel(R) Core(TM) i9-12900K 3.20 GHz
    Installed RAM 64.0 GB (63.7 GB usable)
    Edition Windows 11 Home
    Version 24H2


    GeForce RTX 3080
    NVIDIA Studio 576.02

     

    I will DM you the AE file and asset

     

    Thanks again,

    Neil

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    jordanc75789874
    jordanc75789874
    Known Participant
    Apr 14, 2025 5:12 PM UTC

    I am getting an issue when using add blend mode in aces, it makes the comp clip at 1, seem to be present in the beta too.

     

    1. 25.2.0

    2.Windows 11

    3. Project file included

    4. It clips the image, the expected result if a aces linear work flow

     

     

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      jordanc75789874
      jordanc75789874
      Known Participant
      Jul 18, 2025 8:48 AM UTC

      3 updates later - this is still a bug

       

      what are you doing????

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      NRoweAuthor
      Known Participant
      Apr 23, 2025 1:25 PM UTC

      Here is a better representation on the scopes with the signal clamped. Its clearly clipping on 1, this happens randomly as I scrub the timeline.

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        nishu_kush
        nishu_kush
        Legend
        Apr 23, 2025 3:40 PM UTC

        Thanks for reaching out.

        Do you mind sharing your system specifications and details of the media? If possible, please share a sample media and After Effects project file for testing. Feel free to share via DM if you do not want to share publicly.

        Looking forward to your response.


        Thanks,
        Nishu

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