https://bugs.kde.org/show_bug.cgi?id=495959
Bug ID: 495959
Summary: Effect zone destroys keyframes
Classification: Applications
Product: kdenlive
Version: git-master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Video Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: cont...@yannsalmon.fr
Target Milestone: ---
Created attachment 175643
--> https://bugs.kde.org/attachment.cgi?id=175643&action=edit
Ramping saturation before setting effect zone
SUMMARY
Setting an effect zone to an effect that has keyframes creates inconsistencies
in rendering and maybe in the saved project file.
STEPS TO REPRODUCE
1. Put a (eg. red) color clip in a new sequence.
2. Add a saturation effect to it ; set several keyframes to ramp saturation
level from 1 to max.
3. Add a zone to the effect which starts at roughly the middle of the clip.
4. Run the clip in the preview monitor.
OBSERVED RESULT
Before entering the effect zone, the color is not affected by the saturation
effect.
Upon entering the zone, saturation drops to 1 then ramps up.
EXPECTED RESULT
Before entering the effect zone, the color is not affected by the saturation
effect.
Upon entering the zone, saturation drops to whatever value the interpolation
between keyframes gives at this point, which, if the effect zone starts at the
middle, is not at all 1.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 24.04
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.13
Kernel Version: 6.8.0-48-generic (64-bit)
Graphics Platform: offscreen
Processors: 8 × Intel® Xeon® CPU E3-1245 v5 @ 3.50GHz
Memory: 31.2 Gio of RAM
Graphics Processor: NVIDIA GeForce GTX 1650/PCIe/SSE2
ADDITIONAL INFORMATION
Tested with appimage 24.11.70.
It seems saving the project after the effect zone was set also does strange
things to the file. See attachments.
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