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Sebastian Keller d32c03488f screencast: Always copy buffers in pipewiresrc 
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>
2022-09-03 15:15:31 +00:00
.gitlab/issue_templates Add a link to supported releases in the README and bug template 2021-03-03 14:47:20 +00:00
.gitlab-ci ci: Try falling back to stable branch before HEAD 2022-07-04 17:47:36 +02:00
.settings Clean out some eclipse artefacts 2019-02-13 04:39:26 +01:00
data css: Shave padding off of the quick settings menu 2022-09-03 14:36:33 +00:00
docs/reference build: Replace deprecated meson functions 2021-12-23 15:52:21 +00:00
js screencast: Always copy buffers in pipewiresrc 2022-09-03 15:15:31 +00:00
lint lint: Transition to gjs' object spacing rule 2022-07-18 21:54:22 +00:00
man man: Update options 2020-12-28 02:25:17 +01:00
meson build: Use meson's gnome.post_install() 2021-12-23 15:52:21 +00:00
po Update Danish translation 2022-09-03 11:58:36 +00:00
src st/label: Don't guard against NULL text 2022-09-02 18:59:07 +02:00
subprojects Bump version to 43.beta 2022-08-10 20:01:34 +02:00
tests cleanup: Use deepUnpack() intead of deep_unpack() 2022-08-10 10:29:24 +00:00
tools *: Fix spelling mistakes found by codespell 2020-08-21 18:25:09 +00:00
.eslintrc.yml init: Set console log domain 2021-09-01 14:55:47 +00:00
.gitignore Add small gnome-shell-extension-prefs script 2020-04-28 00:06:19 +02:00
.gitlab-ci.yml ci: Bump image 2022-09-01 15:52:48 +00:00
.gitmodules git: Always use libgnome-volume-control submodule from GNOME group 2022-08-04 18:31:16 +02:00
.jscheckignore init: Set console log domain 2021-09-01 14:55:47 +00:00
config.h.meson build: Do not redefine polkit autocleanup 2022-05-17 14:04:01 +00:00
COPYING Changed obsolete FSF postal address. 2014-01-08 04:35:14 +07:00
gnome-shell.doap gnome-shell.doap: Make marge-bot a maintainer 2020-11-17 17:29:56 +00:00
HACKING.md *: Fix spelling mistakes found by codespell 2020-08-21 18:25:09 +00:00
meson_options.txt build: Default to soup3 2022-06-21 19:29:02 +00:00
meson.build Bump version to 43.beta 2022-08-10 20:01:34 +02:00
NEWS Bump version to 43.beta 2022-08-10 20:01:34 +02:00
README.md readme: Change "GNOME 3" to "GNOME" 2021-08-11 14:41:15 +00:00

README.md

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.