https://bugs.kde.org/show_bug.cgi?id=509005
Bug ID: 509005
Summary: kdenlive crashes on adding certain filters to zones
Classification: Applications
Product: kdenlive
Version First 25.08.0
Reported In:
Platform: Flatpak
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Video Effects & Transitions
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
kdenlive crashes when adding fade in or fade out (and audio normalize, and
perhaps others) to a zone extracted from a clip.
The file in question is 4K 29.97 from a Canon EOS R5 mkII. It's a .mp4 encoded
in AVC that's about 85 MB and 110 minutes long. I've split it into zones, to
remove dead space between them and to allow me to fade out between them (and
also to normalize the audio, as some speakers were louder than others). If I
attempt to add these filters to the full clip, there is no problem.
STEPS TO REPRODUCE
1. Insert 4K video (have not tested FHD or others) into project bin
2. Chop it up into zones (I have about a dozen zones, one for each speaker)
3. Attempt to add fade in, fade out, normalize, or normalize 2 pass filter to
the stack for one of the zones
OBSERVED RESULT
kdenlive crashes. Running it from the command line (flatpak run
org.kde.kdenlive) prints no messages prior to the crash, even with `flatpak run
-vv org.kde.kdenlive`
EXPECTED RESULT
Filter should be added and usable.
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: openSUSE 15.6
KDE Plasma Version: 6.4.4
KDE Frameworks Version: 5.116
Qt Version: 6.9.2
ADDITIONAL INFORMATION
Flatpak 1.16.0 (from openSUSE RPM)
kdenlive flatpak installed August 31, 2025
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