treewide: drop gst-vaapi

Upstream dropped it and it no longer builds.

pkgs/applications/video/obs-studio/plugins/obs-vaapi/default.nix

@@ -36,7 +36,6 @@ stdenv.mkDerivation rec {
   # - We need "getLib" instead of default derivation, otherwise it brings gstreamer-bin;
   # - without gst-plugins-base it won't even show proper errors in logs;
   # - Without gst-plugins-bad it won't find element "vapostproc";
-  # - gst-vaapi adds "VA-API" to "Encoder type";
   # Tip: "could not link appsrc to videoconvert1" can mean a lot of things, enable GST_DEBUG=2 for help.
   passthru.obsWrapperArguments =
     let
@@ -48,7 +47,6 @@ stdenv.mkDerivation rec {
       gstreamer
       gst-plugins-base
       gst-plugins-bad
-      gst-vaapi
     ];
 
   # Fix output directory

pkgs/by-name/ci/citrix-workspace/package.nix

@@ -91,7 +91,6 @@ let
     gst_all_1.gst-plugins-good
     gst_all_1.gst-plugins-bad
     gst_all_1.gst-plugins-ugly
-    gst_all_1.gst-vaapi
   ];
 
   gstPluginPath = lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0" gstPackages;

pkgs/by-name/de/deltachat-tauri/package.nix

@@ -64,7 +64,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
       gst_all_1.gst-plugins-base
       gst_all_1.gst-plugins-good
       gst_all_1.gst-plugins-bad
-      gst_all_1.gst-vaapi
       gst_all_1.gstreamer
       libayatana-appindicator
       openssl

pkgs/by-name/fl/flet-client-flutter/package.nix

@@ -51,7 +51,7 @@ flutter338.buildFlutterApplication rec {
     mpv-unwrapped
     gst_all_1.gst-libav
     gst_all_1.gst-plugins-base
-    gst_all_1.gst-vaapi
+    gst_all_1.gst-plugins-bad
     gst_all_1.gstreamer
     libunwind
     orc

pkgs/by-name/gn/gnome-network-displays/package.nix

@@ -59,7 +59,6 @@ stdenv.mkDerivation (finalAttrs: {
     gst_all_1.gst-plugins-bad
     gst_all_1.gst-plugins-ugly
     gst_all_1.gst-rtsp-server
-    gst_all_1.gst-vaapi
     pipewire
     networkmanager
     json-glib

pkgs/by-name/ka/kazumi/package.nix

@@ -91,7 +91,6 @@ flutter.buildFlutterApplication {
     gst_all_1.gst-plugins-bad
     gst_all_1.gst-plugins-base
     gst_all_1.gst-plugins-good
-    gst_all_1.gst-vaapi
     gst_all_1.gstreamer
     libayatana-appindicator
     mpv-unwrapped

pkgs/by-name/pi/picard/package.nix

@@ -45,17 +45,13 @@ pythonPackages.buildPythonApplication (finalAttrs: {
   ++ lib.optionals (lib.meta.availableOn stdenv.hostPlatform qt5.qtwayland) [
     qt5.qtwayland
   ]
-  ++ lib.optionals (pyqt5.multimediaEnabled) (
-    [
-      qt5.qtmultimedia.bin
-      gst_all_1.gst-libav
-      gst_all_1.gst-plugins-base
-      gst_all_1.gst-plugins-good
-    ]
-    ++ lib.optionals (lib.meta.availableOn stdenv.hostPlatform gst_all_1.gst-vaapi) [
-      gst_all_1.gst-vaapi
-    ]
-  );
+  ++ lib.optionals (pyqt5.multimediaEnabled) [
+    qt5.qtmultimedia.bin
+    gst_all_1.gst-libav
+    gst_all_1.gst-plugins-base
+    gst_all_1.gst-plugins-good
+    gst_all_1.gst-plugins-bad
+  ];
 
   pythonRelaxDeps = lib.optionals stdenv.hostPlatform.isDarwin [
     # Should be resolved in the next version

pkgs/by-name/pi/pipeline/package.nix

@@ -74,7 +74,6 @@ stdenv.mkDerivation (finalAttrs: {
     gst_all_1.gst-plugins-good
     gst_all_1.gst-plugins-bad
     gst_all_1.gst-plugins-ugly
-    gst_all_1.gst-vaapi
     glib-networking # For GIO_EXTRA_MODULES. Fixes "TLS support is not available"
   ];
 

pkgs/by-name/py/pympress/package.nix

@@ -56,7 +56,6 @@ python3Packages.buildPythonApplication (finalAttrs: {
     gst_all_1.gst-plugins-ugly
     (gst_all_1.gst-plugins-good.override { gtkSupport = true; })
     gst_all_1.gst-libav
-    gst_all_1.gst-vaapi
   ];
 
   doCheck = false; # there are no tests

pkgs/by-name/xp/xpra/package.nix

@@ -159,7 +159,6 @@ effectiveBuildPythonApplication rec {
   ]
   ++ (with gst_all_1; [
     gst-libav
-    gst-vaapi
     gst-plugins-ugly
     gst-plugins-bad
     gst-plugins-base

pkgs/development/libraries/gstreamer/default.nix

@@ -37,8 +37,6 @@ lib.makeScope newScope (
 
     gst-editing-services = callPackage ./ges { };
 
-    gst-vaapi = callPackage ./vaapi { };
-
     icamerasrc-ipu6 = callPackage ./icamerasrc { };
     icamerasrc-ipu6ep = callPackage ./icamerasrc {
       ipu6-camera-hal = ipu6ep-camera-hal;
@@ -51,5 +49,6 @@ lib.makeScope newScope (
   }
   // lib.optionalAttrs config.allowAliases {
     gst-plugins-viperfx = throw "'gst_all_1.gst-plugins-viperfx' was removed as it is broken and not maintained upstream"; # Added 2024-12-16
+    gst-vaapi = throw "'gst_all_1.gst-vaapi' has been removed in GStreamer 1.28. Users are recommended to switch to gst-plugins-bad, however it is not an in-place upgrade."; # Added 2026-06-28
   }
 )

pkgs/development/libraries/gstreamer/vaapi/default.nix

@@ -1,120 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  meson,
-  ninja,
-  pkg-config,
-  gst-plugins-base,
-  bzip2,
-  libva,
-  wayland,
-  wayland-protocols,
-  wayland-scanner,
-  libdrm,
-  udev,
-  libxv,
-  libxrandr,
-  libxext,
-  libx11,
-  libsm,
-  libice,
-  libxcb,
-  libGLU,
-  libGL,
-  gstreamer,
-  gst-plugins-bad,
-  nasm,
-  libvpx,
-  python3,
-  # Checks meson.is_cross_build(), so even canExecute isn't enough.
-  enableDocumentation ? stdenv.hostPlatform == stdenv.buildPlatform,
-  hotdoc,
-  directoryListingUpdater,
-  apple-sdk_gstreamer,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "gstreamer-vaapi";
-  version = "1.26.11";
-
-  outputs = [
-    "out"
-    "dev"
-  ];
-
-  src = fetchurl {
-    url = "https://gstreamer.freedesktop.org/src/gstreamer-vaapi/gstreamer-vaapi-${finalAttrs.version}.tar.xz";
-    hash = "sha256-8S+TAnPHodPg1/hblP+dE3nRYqzMky6Mo9OJk+0n/Kw=";
-  };
-
-  separateDebugInfo = true;
-
-  __structuredAttrs = true;
-  strictDeps = true;
-
-  nativeBuildInputs = [
-    meson
-    ninja
-    pkg-config
-    python3
-    bzip2
-    wayland-scanner
-  ]
-  ++ lib.optionals enableDocumentation [
-    hotdoc
-  ];
-
-  buildInputs = [
-    gstreamer
-    gst-plugins-base
-    gst-plugins-bad
-    libva
-    wayland
-    wayland-protocols
-    libdrm
-    udev
-    libx11
-    libxcb
-    libxext
-    libxv
-    libxrandr
-    libsm
-    libice
-    nasm
-    libvpx
-  ]
-  ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
-    libGL
-    libGLU
-  ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    apple-sdk_gstreamer
-  ];
-
-  mesonFlags = [
-    "-Dexamples=disabled" # requires many dependencies and probably not useful for our users
-    (lib.mesonEnable "doc" enableDocumentation)
-  ];
-
-  postPatch = ''
-    patchShebangs \
-      scripts/extract-release-date-from-doap-file.py
-  '';
-
-  preFixup = ''
-    moveToOutput "lib/gstreamer-1.0/pkgconfig" "$dev"
-  '';
-
-  passthru = {
-    updateScript = directoryListingUpdater { odd-unstable = true; };
-  };
-
-  meta = {
-    description = "Set of VAAPI GStreamer Plug-ins";
-    homepage = "https://gstreamer.freedesktop.org";
-    license = lib.licenses.lgpl21Plus;
-    platforms = lib.platforms.linux;
-    maintainers = with lib.maintainers; [ tmarkus ];
-  };
-})

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

@@ -89,7 +89,6 @@ let
           gst-plugins-base
           gst-plugins-good
           gst-libav
-          gst-vaapi
           ;
       };
       qtmqtt = callPackage ./modules/qtmqtt.nix { };

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

@@ -14,7 +14,6 @@
   gst-plugins-base,
   gst-plugins-good,
   gst-libav,
-  gst-vaapi,
   ffmpeg,
   libva,
   libpulseaudio,
@@ -59,7 +58,6 @@ qtModule {
     gst-plugins-base
     gst-plugins-good
     gst-libav
-    gst-vaapi
   ];
 
   patches = lib.optionals stdenv.hostPlatform.isMinGW [