From 3cdcd075ef5320cf3946251470a71cc2ff4e09de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Mon, 24 Oct 2022 14:01:03 +0200
Subject: [PATCH] dbusServices/screencast: Check for all require elements

Instead of assuming that gst-plugins-good has been compiled with
all the plugins we need enabled, explicitly check for the ones
we use.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5710

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2519>
---
 js/dbusServices/screencast/screencastService.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/js/dbusServices/screencast/screencastService.js b/js/dbusServices/screencast/screencastService.js
index 7b47da27c..f7f36da88 100644
--- a/js/dbusServices/screencast/screencastService.js
+++ b/js/dbusServices/screencast/screencastService.js
@@ -259,9 +259,13 @@ var Recorder = class {
 
 var ScreencastService = class extends ServiceImplementation {
     static canScreencast() {
+        const elements = [
+            'pipewiresrc',
+            'filesink',
+            ...DEFAULT_PIPELINE.split('!').map(e => e.trim().split(' ').at(0)),
+        ];
         return Gst.init_check(null) &&
-            Gst.ElementFactory.find('pipewiresrc') &&
-            Gst.ElementFactory.find('filesink');
+            elements.every(e => Gst.ElementFactory.find(e) != null);
     }
 
     constructor() {