https://bugs.kde.org/show_bug.cgi?id=513509
Bug ID: 513509
Summary: Playlist sidebar show/hide slide animation slows down
and has low framerate while video is being played
Classification: Applications
Product: Haruna
Version First unspecified
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 187757
--> https://bugs.kde.org/attachment.cgi?id=187757&action=edit
Playlist show/hide animation while playing and not playing video (av1 warning)
SUMMARY
The video + subtitles pretty explain themselves.
If you (un)hover the right side for the playlist to show/hide *while video is
paused*, the animation is fast and buttery smooth, but doing that again while
the video is playing, the animation takes longer to complete and the framerate
goes low.
The difference isn't that notorious on the video because I'm on a 165 Hz screen
and OBS records at 60 FPS maximum, but in real life it looks harsh.
NOTE: while writing this, I noticed that the more entries the playlist has, the
more the framerate drops. The slowdown with a single entry can be noticed but
isn't that remarked.
At the end of the video I also opened/closed my semitransparent/blurred Kickoff
for comparison, which doesn't slow it down at all. Is Haruna still using an
old/inefficient blur implementation that's different to what KWin/Plasma in
general use?
STEPS TO REPRODUCE
1. Open a video in Haruna (the more videos are in the same directory where the
opened one is, the more notorious the slowdown is).
2. While it's playing, hover the right side and unhover it.
3. Pause the video and do the same again.
4. Notice the difference.
OBSERVED RESULT
Playlist sidebar show/hide slide animation slows down and has low framerate
while video is being played
EXPECTED RESULT
The animation should be smooth in all cases, like the Kickoff animation itself.
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1
ADDITIONAL INFORMATION
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