https://bugs.kde.org/show_bug.cgi?id=438890
Bug ID: 438890
Summary: kdenlive crashes when applying auto mask effect and
resizing rectangle on ubuntu linux appimage
Product: kdenlive
Version: unspecified
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Effects & Transitions
Assignee: vpi...@kde.org
Reporter: cryptotester.info+...@gmail.com
Target Milestone: ---
SUMMARY
STEPS TO REPRODUCE
1. Add a clip to the timeline, e.g. a tutorial video where you speak something,
add a gain effect +400% so the voice is a bit louder
2. Add some background music > add effect to the music e.g. volume, -28 dB
3. In the effects, search "mask" (auto mask) > drag the auto mask effect over
the video in the timeline
4. try to move the rectangle around, resize the rectangle as I show in the
video
See:
- video demonstrating the crash (1):
https://drive.google.com/file/d/1zMYNWZlW4mrKt6u96gZ_vuVYGCB1Us2A/view?usp=sharing
- video demonstrating the crash (2):
https://drive.google.com/file/d/1cuBuGFx2pnkaSe32Ao1SQ0xTr9zymjUO/view?usp=sharing
See also example project with simple tutorial, background music and some
effects applied:
https://drive.google.com/file/d/1vhyVK5oSyNenoCcKO7qOyAhcNsc_sclL/view?usp=sharing
OBSERVED RESULT
Most of the time kdenlive crash either by moving the rectangle around, or by
resizing it.
EXPECTED RESULT
The effect should handle the "stress" of moving around or resizing the area to
pixelate. No crash!
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Ubuntu 20.04.2 LTS
Gnome 3.36.8
ADDITIONAL INFORMATION
Version 21.07.70, Daily AppImage downloaded from
https://kdenlive.org/en/download/
Link to latest daily AppImage:
https://binary-factory.kde.org/job/Kdenlive_Nightly_Appimage_Build/lastSuccessfulBuild/artifact/
I got as suggestion to use the motion tracker effect. I tried it real quick and
just by adding a red rectangle it made the video laggy, which I never
experienced with auto mask. Auto mask, despite crashing all the time is an
awesome effect and in my opinion it should live, not being deprecated! Please
revive the effect and keep it alive! Thank you
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