https://bugs.kde.org/show_bug.cgi?id=513053
Bug ID: 513053
Summary: Copy-pasted keyframes reset their interpolation to
Linear
Classification: Applications
Product: kdenlive
Version First 25.08.3
Reported In:
Platform: Mint (Ubuntu based)
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Timeline & Editing
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 187420
--> https://bugs.kde.org/attachment.cgi?id=187420&action=edit
A before and after example of copying eight keyframes with Discrete
interpolation and pasting them.
SUMMARY
After copying and pasting keyframe(s) on the same Effect timeline, the pasted
keyframes' interpolations are reset to Linear automatically.
STEPS TO REPRODUCE
1. Make a new project
2. Add a video clip
3. Add an Effect to the video clip
4. Add a keyframe to the Effect timeline
5. Set the keyframe's interpolation to anything other than Linear
6. Copy the keyframe
7. Paste the keyframe onto the same timeline
OBSERVED RESULT
After copying and pasting a keyframe or set of keyframes with Discrete
interpolation, or any other interpolation that is not Linear, the pasted
keyframes have the Linear interpolation instead.
EXPECTED RESULT
After copying and pasting a keyframe or set of keyframes with Discrete
interpolation, or any other interpolation that is not Linear, the pasted
keyframes keep the interpolation that the initial copied keyframes have.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux Mint 22 "Wilma" (base: Ubuntu 24.04 noble)
ADDITIONAL INFORMATION
The bug also occurs if you copy a keyframe and paste it onto a different
timeline of the same Effect type, including timelines on other video clips.
However, the dropdown option to import copied keyframes onto a different Effect
will keep the interpolation of each copied keyframe as is, instead of resetting
them. (Import Keyframes from Clipboard...)
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