https://bugs.kde.org/show_bug.cgi?id=486257
Bug ID: 486257
Summary: Stuttering with video playback in 24Hz / MPV
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: atohm...@mailfence.com
Target Milestone: ---
SUMMARY
Since plasma 6.0.0 release, i am experiencing random stutter with fullscreen
video playback with mpv and wayland. These stutter are very random and could be
light to heavy depending of the video. I am using mpv-kscreen-doctor script to
sync the refresh rate of my display to the video, which is often ~24Hz.
WHAT I TRIED :
- Everything i could try with mpv options : vo-gpu / vo-gpu-next, different
hwdec, disable shaders, running with --no-config etc.
- Disabling HDR or VRR doesn't correct the issue.
- I am currently using X11 again with the xrandr script and my usual
configuration and get no stuttering.
- Without the screen set to 24Hz, it seems there is no stuttering with higher
refresh like 60Hz, so it seems related to 24Hz playback.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: CachyOS / Linux 6.8 / Plasma 6.0.4
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