https://bugs.kde.org/show_bug.cgi?id=498303
Bug ID: 498303
Summary: stuttering during Pipewire window capture
Classification: Plasma
Product: kwin
Version: 6.2.5
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: screencasting
Assignee: kwin-bugs-n...@kde.org
Reporter: jeremi.campa...@gmail.com
Target Milestone: ---
SUMMARY
When screencasting a window with pipewire (for OBS or any other application),
it tends to cause stuttering for the entire desktop (whole compositor level I
suppose). It seems to be most distinguishable with borderless fullscreen
applications.
STEPS TO REPRODUCE
1. Run a game, either in a large window, borderless fullscreen or fullscreen
2. Using OBS or another software recording/streaming software, capture the
window of the application
3. Observe the stuttering, it varies in severity with each application.
OBSERVED RESULT
Stuttering of the whole desktop, severity has varied across versions since
Plasma 5.27 and varies depending on the application.
EXPECTED RESULT
No stuttering
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma:
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
As mentionned before, versions of KDE since 5.27 at least will experience this
issues with a varying severity. Some applications may also exhibit this
behaviour way worse than others. I have experienced a milder amount of
stuttering with Art of Rally in the past and recently have had the compositor
nearly freeze while capturing Dolphin Emulator's fullscreen window.
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