https://bugs.kde.org/show_bug.cgi?id=462684
Bug ID: 462684
Summary: video full screen plays on all monitors
Classification: Plasma
Product: kwin
Version: 5.26.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: pht...@protonmail.com
Target Milestone: ---
SUMMARY
With an external monitor attached to a laptop, playing any video full screen
causes the video to be duplicated on all monitors.
STEPS TO REPRODUCE
1. Plug an external monitor into a laptop using DisplayPort. Configure the
displays in "extend" mode.
2. Play a video on the main display using VLC or YouTube on Firefox. (I haven't
tested other video players.)
3. Instruct the video to play full screen.
OBSERVED RESULT
The video plays full screen duplicated on both the main and external displays.
The copy of the video playing on the external monitor does not observe that
display's rotation setting, instead playing in 0deg rotation.
EXPECTED RESULT
The video plays full screen on only the main display, leaving the external
display unaffected.
SOFTWARE/OS VERSIONS
Linux: Kinoite 37.20221203.0 (kernel 6.0.10-300)
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
ADDITIONAL INFORMATION
CPU: Intel i7-8550U
GPU: Intel UHD 620
Mesa: 22.2.3
Please let me know if I can provide any additional information.
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