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IDProjectCategoryView StatusDate SubmittedLast Update
0003177DCP-o-maticBugspublic2026-09-14 09:412026-09-16 08:11
Reporterkcinep Assigned Tocarl  
PriorityhighSeverityminorReproducibilityalways
Status feedbackResolutionopen 
Platform64-bitOSWindowsOS Version11
Product Version2.18.26 
Summary0003177: Wrong video encode when exporting DCP
Description

When I import a video/photo into DCP-O-Matic and create a DCP from it, then import another video/photo of the same length into the same project and create another DCP, the newly imported video is not encoded. Instead, the image data from the previously created DCP is copied over. This behavior also occurs when “Re-Encode JPEG2000 Data from input” is enabled.

The newly imported video should instead be fully re-encoded.

Steps To Reproduce
  1. Import a video (e.g. 10 seconds)
  2. make DCP
  3. Don't delete the DCP!
  4. import another video with exactly the same length
  5. rename and make DCP
  6. The new created DCP is the old video with the new name
Tagsre-encode
Branch
Estimated weeks required
Estimated work requiredUndecided

Activities

kcinep

2026-09-14 11:49

reporter   ~0007367

Edit for reproduction:

  1. Don't delete the DCP or j2c-Folder!

carl

2026-09-14 11:54

administrator   ~0007368

Last edited: 2026-09-14 11:55

To be clear, for step 4 you're keeping the same project open, removing the first video and adding another? And you're using 2.18.26?

kcinep

2026-09-15 10:05

reporter   ~0007369

You can keep the project open or save and close it first. It doesn't really matter.
I'm currently using 2.18.26 but it was the same in previous versions.

carl

2026-09-15 11:54

administrator   ~0007370

Can you send the log and metadata.xml files from the project, or attach them here? carl@dcpomatic.com

kcinep

2026-09-15 12:34

reporter   ~0007371

Of course! Thank you!

projectlogmetadata.rar (86,931 bytes)

carl

2026-09-16 08:11

administrator   ~0007372

Unfortunately I still can't reproduce this... would it be possible to make a screencast of you reproducing it? Or could we do a zoom call to look at it?

Issue History

Date Modified Username Field Change
2026-09-14 09:41 kcinep New Issue
2026-09-14 09:41 kcinep Tag Attached: re-encode
2026-09-14 11:49 kcinep Note Added: 0007367
2026-09-14 11:54 carl Note Added: 0007368
2026-09-14 11:54 carl Assigned To => carl
2026-09-14 11:54 carl Status new => feedback
2026-09-14 11:55 carl Priority low => high
2026-09-14 11:55 carl Estimated work required => Undecided
2026-09-14 11:55 carl Note Edited: 0007368
2026-09-15 10:05 kcinep Note Added: 0007369
2026-09-15 10:05 kcinep Status feedback => assigned
2026-09-15 11:54 carl Note Added: 0007370
2026-09-15 11:54 carl Status assigned => feedback
2026-09-15 12:34 kcinep Note Added: 0007371
2026-09-15 12:34 kcinep File Added: projectlogmetadata.rar
2026-09-15 12:34 kcinep Status feedback => assigned
2026-09-16 08:11 carl Status assigned => feedback
2026-09-16 08:11 carl Note Added: 0007372