Unable to import LUT from Black Magic 6K

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Level 3

784 points

Unable to import LUT from Black Magic 6K

A past editor on a project I've been assigned to left some LUTs behind for use with new footage for an old project. I'm having trouble importing them into FCPX.

Specifically these two (which he claimed he exported "directly from the camera".) but none of the for he left behind will import; all beget the same error.

I did try various options (including the intentionally incorrect ones) in the Output Color Space option at the bottom of the LUT import window.

Blackmagic Gen 5 Film to Rec 2020 Hybrid Log Gamma.cube

Blackmagic Gen 5 Film to Rec 2020 PQ Gamma.cube

I won't have physical access to the camera until next week. When I try to import the LUTs (.cube) files I see the following:

Any ideas? I've imported LUTs many times before but have never seen this error before.

Maybe it's a Gen 5 issue that FCPX doesn't yet support?

Thanks!

Posted on Mar 19, 2021 11:32 AM

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Answer 1

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W. Raider Author

Level 3

784 points

Apr 29, 2021 8:52 AM in response to W. Raider

SOLVED.

I tried several permutations. The REM statements are not needed but I left for future reference.

Apparently FCPX doesn't understand the BMD_ tag yet.

1) Open the LUTs in TextEdit.

2) Remove any lines that begin with "BMD".

3) Retain the number of carriage returns by adding as needed. (very likely not needed but I did it this way)

4) Save.

5) Import into FCPX.

Frex:

# DaVinci Resolve Cube (3D LUT)

#

# Blackmagic Film to Rec 2020 Hybrid Log Gamma v5

# Blackmagic Film to Rec 2020 Hybrid Log Gamma using v5 Color Science.

#

BMD_TITLE "Gen 5 Film to Rec 2020 Hybrid Log Gamma"

BMD_GAMMA_TYPE HLG

LUT_3D_SIZE 33

0.0000000000 0.0000000000 0.0000000000

and so on...

CHANGE TO:

# DaVinci Resolve Cube (3D LUT)

#

# Blackmagic Film to Rec 2020 Hybrid Log Gamma v5

# Blackmagic Film to Rec 2020 Hybrid Log Gamma using v5 Color Science.

#

LUT_3D_SIZE 33

0.0000000000 0.0000000000 0.0000000000

and so on...

IMPORTANT:

# DaVinci Resolve Cube (3D LUT)

#

# Blackmagic Film to Rec 2020 Hybrid Log Gamma v5

# Blackmagic Film to Rec 2020 Hybrid Log Gamma using v5 Color Science.

#

TWO LINES WERE REMOVED HERE

MAKE SURE TWO CARRIAGE RETURNS REMAIN

LUT_3D_SIZE 33

0.0000000000 0.0000000000 0.0000000000

and so on...

Here's what the look like in FCPX's LUT menu:

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Unable to import LUT from Black Magic 6K

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