desktop: fixes and move from ALVR to WiVRn

etcnixos/system-nixos.nix

@@ -38,7 +38,7 @@
       "amdgpu.ppfeaturemask=0xFFF7FFFF"
     ];
 
-    initrd.availableKernelModules = [
+    kernelModules = [
       # kernel module for case fan control
       "nct6775"
     ];
@@ -53,7 +53,7 @@
 
   services.displayManager.autoLogin = {
     enable = true;
-    user = "yourusername";
+    user = "primary";
   };
 
   services.openssh = {
@@ -94,16 +94,35 @@
   services.udev.packages = [ pkgs.openrgb ];
   hardware.i2c.enable = true;
 
-  #System packages
+  # System packages
   environment.systemPackages = with pkgs; [
     openrgb-with-all-plugins
     lact
   ];
 
-  programs.alvr = {
+  services.wivrn = {
     enable = true;
-    package = inputs.alvr.legacyPackages.${pkgs.system}.alvr;
     openFirewall = true;
+    package = inputs.wivrn.legacyPackages.${pkgs.system}.wivrn;
+    defaultRuntime = true;
+    autoStart = true;
+    config = {
+      enable = true;
+      json = {
+        scale = 1.0;
+        bitrate = 100000000;
+        encoders = [
+          {
+            encoder = "vaapi";
+            codec = "h265";
+            width = 1.0;
+            height = 1.0;
+            offset_x = 0.0;
+            offset_y = 0.0;
+          }
+        ];
+      };
+    };
   };
 
   programs.steam = {
@@ -143,7 +162,6 @@
         gpu_path = "/sys/devices/pci0000:00/0000:00:03.1/0000:09:00.0/0000:0a:00.0/0000:0b:00.0/${select_hwmon}";
         mobo_path = "/sys/devices/platform/nct6775.656/${select_hwmon}";
         fan_speed = "${mobo_path}/pwm4";
-
       in
       ''
         INTERVAL=10