d32c03488f
Pipewire 0.3.52 via commit a1f33a99 introduced a change that affects how long pipewiresrc holds onto the pw_buffers it dequeued. Before that change the pw_buffer was held until the end of the videoconvert element at the beginning of the pipeline. After that change the pw_buffer was held onto until the filesink at the end of the pipeline. This was starving MetaScreenCastStreamSrc of pw_buffers to record new frames into, resulting in the majority of frames being missed, especially in situations in which the encoder was taking longer. Pipewire 0.3.57 via commit 1ea1d525 will allow queuing the pw_buffer early again via the `always-copy` option. This however is only a workaround until a proper solution is found in either pipewire or gstreamer that does not depend on copying the buffer contents and instead queues the pw_buffer again after videoconvert as prior to a1f33a99. Since it is not clear yet when a proper solution will arrive, this makes use of `always-copy` as a workaround for now and should be reverted once it is no longer needed. Related: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5585 Related: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2461 Related: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/283 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2436> |
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GNOME Shell
GNOME Shell provides core user interface functions for the GNOME desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
Bugs should be reported to the GNOME bug tracking system. Please refer to the Schedule wiki page to see the supported versions.
Contributing
To contribute, open merge requests at https://gitlab.gnome.org/GNOME/gnome-shell.
Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit.
Default branch
The default development branch is main. If you still have a local
checkout under the old name, use:
git checkout master
git branch -m master main
git fetch
git branch --unset-upstream
git branch -u origin/main
git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main
License
GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.