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The video shows a weston desktop. The gtk4 video player demo is launched, a video started and put into fullscreen. The camera moves to a second screen where weston debug output is printed, showing that weston indeed uses a cursor, overlay and primary plane (and no rendering / compositing) to display the video and overlay (and thecursor).

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The video shows a weston desktop. The gtk4 video player demo is launched, a video started and put into fullscreen. The camera moves to a second screen where weston debug output is printed, showing that weston indeed uses a cursor, overlay and primary plane (and no rendering / compositing) to display the video and overlay (and thecursor).

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Robert Mader (rmader@floss.social)'s status on Friday, 12-Jan-2024 19:30:32 JST Robert Mader

Got the last bug fixed to make #gtk4 play video *with overlay* in full zero-copy / hardware plane only mode \o/
This allows highly efficient playback with e.g. subtitles and other overlays, only using the GPU when GTK needs to repaint parts of the main window / the overlay.
I'll talk more about this at my presentation at #fosdem2024, see https://fosdem.org/2024/schedule/event/fosdem-2024-3557-the-state-of-video-offloading-on-the-linux-desktop/
#fosdem #gnome #GStreamer

In conversation about a year ago from floss.social permalink