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davidpayne1981
Known Participant
March 2, 2022
Question

Input Lut (under interpret footage menu) not having an effect unless I switch to software encoding

  • March 2, 2022
  • 4 replies
  • 2258 views

I love the new input lut feature of premiere 22 meaning you can apply a lut to a batch of clips in your source window whilst scrubbing through them. It works a treat on my M1 macbook pro but doesn't work on my pc (I have an RTX2070, 64gb ram, Ryzen 5950x) unless I turn murcury playback off and switch to software only rendering.

 

Anyone got any ideas?

    This topic has been closed for replies.

    4 replies

    A
    Andy Adkins
    Known Participant
    July 22, 2024

    Finally... Here's a workaround that got "Input LUT" going for me:

     

    I had to select Override Media color space then just pick a colorspace in the dropdown (709, the same as the media colorspace was fine) AND select the input LUT. Attached a screengrab of it not working then working.

     

    Whenever I just left "Use Media Color Space" selected it would not apply the input LUT.

     

    I can then apply in bulk and remove in bulk as long as the colorspace option and dropdown are selected, which is what I was after. Too bad it took an afternoon to figure that out. Takes like 2 seconds in Resolve.

     

    Heads up that it premiere failed to do this consistently across multiple bins even though it looked initially like it did work, so you might be stuck doing it a bin at a time. Search bin might help here. Either way it's still better than a clip at a time. Hopefully someone finds this helpful!

    A
    Andy Adkins
    Known Participant
    July 22, 2024

    Two years later... Has anybody actually seen this work? It doesn't even seem to save the setting.

    Modify >> Color >> Select a custom input lut >> OK....

     

    Nothing changes. Go back to the same page and input lut says "None"

     

    Huh? And yea I know I can apply an lumetri effect/lut to a gazzillion master clips but that's also a junkshow: 

     

    https://community.adobe.com/t5/premiere-pro-discussions/how-to-remove-master-clip-effects-on-hundreds-of-clips/td-p/8662477/page/2

    https://creativecow.net/forums/thread/batch-removing-effects-applied-to-master-clips/

     

     

    R Neil Haugen
    R Neil Haugen
    Brainiac
    July 22, 2024

    There are several million daily users of Premiere. I would hazard a guess that among those, several thousand users work with LUTs on a daily basis. Without troubles, for the most part.

     

    First question, where did you get or make the LUT? Premiere needs specific types of LUTs to work with.

     

    Second, where did you store the LUT on the computer? Yes, that can be crucial here. And there are wrong places.

     

    Third, how are you applying this? Modify/Intepret Footage dialog, the Lumetri Settings panel (the one NAMED Settings with all the CM options in it), or just the Lumetri Basic tab's Input LUT slot?

    Everyone's mileage always varies ...
    A
    Andy Adkins
    Known Participant
    July 22, 2024

    Thanks Neil -

    It's a .cube lut directly from Arri that works perfectly when I apply it through other means within premiere - ie a lumetri effect which I think is what most of those millions of people are doing. But applying that to a bunch of master clips has it it's own complications I'd like to avoid (see those links).

     

    I'm just right clicking a source clip, Modify > Color. I select that file as an input lut. It does nothing and does not appear to keep that setting at all (when I go back to Modify > Color it's not there). Basically what the OP is saying except that in this case I am on a Mac.

     

    I get the same results trying the other method (Lumetri settings page, Source Clip Input LUT)

    R Neil Haugen
    R Neil Haugen
    Brainiac
    March 4, 2022

    Now delete your cache files with the project closed, and relaunch Premiere. That might get it working.

     

    Neil

    Everyone's mileage always varies ...
    D
    davidpayne1981Author
    Known Participant
    March 7, 2022

    I just did this and it made no difference.

     

    again, when I switch to software only (instead of CUDA) the LUT appears. 

     

    Do you think this could be a faulty GPU or a setting in the nvidia software maybe?

    R Neil Haugen
    R Neil Haugen
    Brainiac
    March 7, 2022

    So you can select an Input LUT on Software only (for Mercury Acceleration) ... but you can't with the Cuda option set ... is that it? Or are you able to select a LUT, but see no effect for doing so?

     

    And you've tried the newer Studio drivers for that GPU also ...

     

    Neil

    Everyone's mileage always varies ...
    Justin Taylor-Hyper Brew
    Justin Taylor-Hyper Brew
    Community Expert
    March 3, 2022

    Update your GPU drivers, and close any other programs using the GPU, this can include web browsers.

    D
    davidpayne1981Author
    Known Participant
    March 4, 2022

    I tried this straight away but it did nothing

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