adding hardware decoding on syl

README.org

@@ -120,6 +120,19 @@ Notice how I am including all of my software here. It may be a big file, but hav
 
   hardware.uinput.enable = true;
 
+  nixpkgs.config.packageOverrides = pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+  };
+
+  hardware.opengl = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver # LIBVA_DRIVER_NAME=iHD
+      vaapiIntel         # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+      vaapiVdpau
+      libvdpau-va-gl
+    ];
+  };
   # Enable the X11 windowing system.
   services.xserver = {
     enable = true;