qt6.qtmultimedia: add and propagate the required/recommended gst plugins

reference: https://doc.qt.io/qt-6/videooverview.html#linux

pkgs/development/libraries/qt-6/default.nix

@@ -17,6 +17,9 @@
 , writeText
 , gstreamer
 , gst-plugins-base
+, gst-plugins-good
+, gst-libav
+, gst-vaapi
 , gtk3
 , dconf
 , buildPackages
@@ -67,7 +70,7 @@ let
       qtlanguageserver = callPackage ./modules/qtlanguageserver.nix { };
       qtlottie = callPackage ./modules/qtlottie.nix { };
       qtmultimedia = callPackage ./modules/qtmultimedia.nix {
-        inherit gstreamer gst-plugins-base;
+        inherit gstreamer gst-plugins-base gst-plugins-good gst-libav gst-vaapi;
       };
       qtnetworkauth = callPackage ./modules/qtnetworkauth.nix { };
       qtpositioning = callPackage ./modules/qtpositioning.nix { };

pkgs/development/libraries/qt-6/modules/qtmultimedia.nix

@@ -9,6 +9,9 @@
 , alsa-lib
 , gstreamer
 , gst-plugins-base
+, gst-plugins-good
+, gst-libav
+, gst-vaapi
 , libpulseaudio
 , wayland
 , elfutils
@@ -20,5 +23,6 @@ qtModule {
   pname = "qtmultimedia";
   qtInputs = [ qtbase qtdeclarative qtsvg qtshadertools ];
   nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ gstreamer gst-plugins-base libpulseaudio elfutils libunwind alsa-lib wayland orc ];
+  buildInputs = [ libpulseaudio elfutils libunwind alsa-lib wayland orc ];
+  propagatedBuildInputs = [ gstreamer gst-plugins-base gst-plugins-good gst-libav gst-vaapi ];
 }

pkgs/top-level/all-packages.nix

@@ -21915,7 +21915,7 @@ with pkgs;
       inherit newScope;
       inherit lib stdenv fetchurl fetchpatch fetchgit fetchFromGitHub makeSetupHook makeWrapper writeText;
       inherit bison cups dconf harfbuzz libGL perl gtk3 ninja;
-      inherit (gst_all_1) gstreamer gst-plugins-base;
+      inherit (gst_all_1) gstreamer gst-plugins-base gst-plugins-good gst-libav gst-vaapi;
       inherit buildPackages;
       cmake = cmake.overrideAttrs (attrs: {
         patches = attrs.patches ++ [