GNU bug report logs - #70282
[PATCH 0/2] Fix gnome-shell screenrecorder

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Message #65 received at 70282 <at> debbugs.gnu.org (full text, mbox):

From: Dariqq <dariqq <at> posteo.net>
To: 70282 <at> debbugs.gnu.org
Cc: Dariqq <dariqq <at> posteo.net>
Subject: [PATCH v4] gnu: gnome-shell: Wrap screencast service.
Date: Wed,  8 May 2024 18:33:30 +0000

Adjust screencast such that GI_TYPELIB_PATH and GST_PLUGIN_SYSTEM_PATH are set
before starting.

Add all required gstreamer plugins to inputs.

To be able to use it a running pipewire service is needed.

* gnu/packages/gnome.scm (gnome-shell):
[inputs]: Add gst-plugins-good and pipewire.
[#:phases]<'wrap-programs>: Wrap org.gnome.Shell.Screencast.

Change-Id: I2c31bf1bd92e281b86c57b06988c6a3793a58d40
---
Here is v4 which appends the gstreamer plugins to GST_PLUGIN_SYSTEM_PATH, handling the case when getenv returns null. I think the difference between appendending or prepending in this case is not too important as the user GST_PLUGIN_PATH should take precedent. The more important thing is that the plugins are in any plugin path at all.

 gnu/packages/gnome.scm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 92e35e3c5a..4bbff2a89b 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -9408,6 +9408,7 @@ (define-public gnome-shell
             (add-after 'install 'wrap-programs
               (lambda* (#:key inputs #:allow-other-keys)
                 (let ((gi-typelib-path  (getenv "GI_TYPELIB_PATH"))
+                      (gst-plugin-path  (getenv "GST_PLUGIN_SYSTEM_PATH"))
                       (python-path
                        (string-join
                         (filter (lambda (item)
@@ -9427,6 +9428,19 @@ (define-public gnome-shell
                                     "path => imports.gi.GIRepository.Repository."
                                     "prepend_search_path(path));\n"
                                     all)))
+                  ;; Screencast requires a pipewire service running
+                  ;; (i.e. as provided by home-pipewire-service-type)
+                  (substitute* (string-append #$output "/share/gnome-shell/"
+                                              "org.gnome.Shell.Screencast")
+                    (("imports\\.package\\.start" all)
+                     (string-append "'" gi-typelib-path "'.split(':').forEach("
+                                    "path => imports.gi.GIRepository.Repository."
+                                    "prepend_search_path(path));\n"
+                                    "imports.gi.GLib.setenv('GST_PLUGIN_SYSTEM_PATH',"
+                                    "[imports.gi.GLib.getenv('GST_PLUGIN_SYSTEM_PATH'),"
+                                    "'" gst-plugin-path "'].filter(v => v).join(':'),"
+                                    "true);\n"
+                                    all)))
                   (for-each
                    (lambda (prog)
                      (wrap-program (string-append #$output "/bin/" prog)
@@ -9492,6 +9506,7 @@ (define-public gnome-shell
            gnome-settings-daemon
            graphene
            gst-plugins-base
+           gst-plugins-good
            ibus
            libcanberra
            libcroco
@@ -9502,6 +9517,7 @@ (define-public gnome-shell
            mesa-headers
            mutter
            network-manager-applet
+           pipewire
            polkit
            pulseaudio
            python-pygobject

base-commit: 7b7f299bb493e485c5534b8c554e51d4f3a8c026
-- 
2.41.0

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