darktable-org / darktable-org/darktable

Support for Fuji raw RAF in DNG

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#19,684 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
C
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Description

Is there an existing issue for this?
  • I checked and did not find my issue in the already reported ones
Describe the bug

Trying to move from Lightroom to Darktable, I get an "unsupported feature in file".

Camera: Fujifilm 550 EXR, shooting RAW
Imported via Lightroom, converted to DNG

an original RAF do pass correctly

Steps to reproduce
  • import to library such a DNG
  • try to open it
Expected behavior

handle such a file

Logfile | Screenshot | Screencast

No response

Commit

No response

Where did you obtain darktable from?

darktable.org / GitHub release

darktable version

5.2.1

What OS are you using?

Windows

What is the version of your OS?

Windows 11

Describe your system

No response

Are you using OpenCL GPU in darktable?

I dont know

If yes, what is the GPU card and driver?

Radeon 5700 XT 8GB

Please provide additional context if applicable. You can attach files too, but might need to rename to .txt or .zip

one of the file in question

10.zip

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the import and open failure with the attached 10.zip in darktable 5.2.1, comparing the converted DNG with an original RAF from the Fujifilm 550 EXR. Investigate the file-handling path involved in opening the DNG; done means this Fuji-derived DNG opens successfully without the unsupported-feature error.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
computer-graphics, desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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