enable hardware encode/decode

common/server/radio.nix

@@ -33,6 +33,7 @@ in {
         Domain radio is hosted on
       '';
     };
+    enableVideoAcceleration = lib.mkEnableOption "enable video acceleration";
   };
 
   config = lib.mkIf cfg.enable {
@@ -70,4 +71,17 @@ in {
       '';
     };
   };
+
+  # hardware accelerated video encoding/decoding (on intel)
+  nixpkgs.config.packageOverrides = lib.mkIf cfg.enableVideoAcceleration pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+  };
+  hardware.opengl = lib.mkIf cfg.enableVideoAcceleration {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver # LIBVA_DRIVER_NAME=iHD
+      vaapiIntel         # LIBVA_DRIVER_NAME=i965
+    ];
+    extraPackages32 = with pkgs.pkgsi686Linux; [ vaapiIntel ];
+  };
 }