obs-backgroundremoval: reinit at 0.5.16

pkgs/applications/video/obs-studio/plugins/default.nix

···
 
   looking-glass-obs = callPackage ./looking-glass-obs.nix { };
 
+  obs-backgroundremoval = callPackage ./obs-backgroundremoval { };
+
   obs-gstreamer = callPackage ./obs-gstreamer.nix { };
 
   obs-hyperion = qt6Packages.callPackage ./obs-hyperion/default.nix { };
···
   };
 
   obs-websocket = throw "obs-websocket has been removed: Functionality has been integrated into obs-studio itself.";
-
-  obs-backgroundremoval = throw "obs-backgroundremoval has been removed: It does not work anymore and is unmaintained.";
 
   wlrobs = callPackage ./wlrobs.nix { };
 }

pkgs/applications/video/obs-studio/plugins/obs-backgroundremoval/default.nix

···
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, obs-studio
+, onnxruntime
+, opencv
+}:
+
+stdenv.mkDerivation rec {
+  pname = "obs-backgroundremoval";
+  version = "0.5.16";
+
+  src = fetchFromGitHub {
+    owner = "royshil";
+    repo = "obs-backgroundremoval";
+    rev = "v${version}";
+    hash = "sha256-E+pm/Ma6dZTYlX3DpB49ynTETsRS2TBqgHSCijl/Txc=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ obs-studio onnxruntime opencv ];
+
+  dontWrapQtApps = true;
+
+  cmakeFlags = [
+    "-DUSE_SYSTEM_ONNXRUNTIME=ON"
+    "-DUSE_SYSTEM_OPENCV=ON"
+  ];
+
+  postInstall = ''
+    mkdir $out/lib $out/share
+    mv $out/obs-plugins/64bit $out/lib/obs-plugins
+    rm -rf $out/obs-plugins
+    mv $out/data $out/share/obs
+  '';
+
+  meta = with lib; {
+    description = "OBS plugin to replace the background in portrait images and video";
+    homepage = "https://github.com/royshil/obs-backgroundremoval";
+    maintainers = with maintainers; [ zahrun ];
+    license = licenses.mit;
+    platforms = [ "x86_64-linux" "i686-linux" ];
+  };
+}