https://bugs.kde.org/show_bug.cgi?id=500873
Bug ID: 500873
Summary: None of the blur effects seems to work correctly on a
png with transparency
Classification: Applications
Product: kdenlive
Version: 24.12.2
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Video Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: camille.mou...@free.fr
Target Milestone: ---
Created attachment 178988
--> https://bugs.kde.org/attachment.cgi?id=178988&action=edit
Archive of a test .kdenlive project to see blur problems
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SUMMARY
STEPS TO REPRODUCE
1. Add a png with some transparent parts
2. Apply any of the blur effects
OBSERVED RESULT
The image is somehow distorted, but not the way that would be expected from a
blur effect
EXPECTED RESULT
A proper blur effect
SOFTWARE/OS VERSIONS
Kdenlive: 24.12.2
Package Type: AppImage
MLT: 7.30.0
Qt: 6.8.1 (built against 6.8.1 x86_64-little_endian-lp64)
Frameworks: 6.10.0
System: Ubuntu 24.04.2 LTS
Kernel: linux 6.11.0-17-generic
CPU: x86_64
Windowing System: xcb
GPU: Intel/Mesa Intel(R) Graphics (MTL)
Movit (GPU): disabled
Track Compositing: qtblend
ADDITIONAL INFORMATION
Please find attached an archive of a project to reproduce the problem.
The first image is the original png. The code this image blured with Gimp. The
others one the original png with various blur filter applied.
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