make droidcam work, and it can be added to obs

configuration.nix

@@ -7,6 +7,12 @@
 {
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
+  boot.kernelModules = [
+    "v4l2loopback"
+  ];
+  boot.extraModulePackages = [
+    pkgs.linuxPackages.v4l2loopback
+  ];
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   nix.settings.extra-experimental-features = [ "nix-command" "flakes" ];
@@ -158,6 +164,9 @@
     vim
     emacs29-pgtk
     nfs-utils
+    v4l-utils
+    android-tools
+    adb-sync
   ];
 
   services.flatpak.enable = true;

home.nix

@@ -23,11 +23,13 @@ with lib.hm.gvariant;
     pkgs.python3
     pkgs.unzip
     pkgs.ffmpeg
-    (pkgs.wrapOBS {
-     plugins = with pkgs.obs-studio-plugins; [
-     droidcam-obs
-     ];
-     })
+    pkgs.droidcam
+    pkgs.obs-studio
+    # (pkgs.wrapOBS {
+    #  plugins = with pkgs.obs-studio-plugins; [
+    #  droidcam-obs
+    #  ];
+    #  })
 
     # (pkgs.wrapOBS.override {
     #   obs-studio = 
@@ -201,7 +203,7 @@ with lib.hm.gvariant;
   };
   # programs.obs-studio = {
   #   enable = true;
-  #   # plugins = [ pkgs.obs-studio-plugins.droidcam-obs ];
+  #   plugins = [ pkgs.obs-studio-plugins.droidcam-obs ];
   #   # package = (pkgs.wrapOBS {
   #   #   plugins = with pkgs.obs-studio-plugins; [
   #   #     droidcam-obs