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 ];
+  };
 }

flake.lock

@@ -98,8 +98,8 @@
     },
     "nixpkgs-peertube": {
       "locked": {
-        "lastModified": 1631196474,
-        "narHash": "sha256-/9EnOH/pNgFR2sWdTQ954abxWVQHE5vlYY5js71vFi8=",
+        "lastModified": 1630887850,
+        "narHash": "sha256-VcVFlhVuceolv1FZdle0q47tSHLRXFHCus7A9PJGUjc=",
         "owner": "GoogleBot42",
         "repo": "nixpkgs",
         "rev": "7fc03b76db3e5bf655bb3a9f5ee2f115e528944b",

machines/liza/configuration.nix

@@ -126,6 +126,7 @@ in {
   services.radio = {
     enable = true;
     host = "radio.neet.space";
+    enableVideoAcceleration = true;
   };
 
   services.nginx.virtualHosts."paradigminteractive.agency" = {