From 1f2139103db89a4fe8858e70dc6c1ef5d9958567 Mon Sep 17 00:00:00 2001
From: Martin Wimpress <martin@wimpress.org>
Date: Tue, 20 May 2025 10:44:47 +0100
Subject: [PATCH] obs-studio-plugins.obs-urlsource: init at 0.3.7

---
 .../video/obs-studio/plugins/default.nix      |  2 +
 .../obs-studio/plugins/obs-urlsource.nix      | 98 +++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 pkgs/applications/video/obs-studio/plugins/obs-urlsource.nix

diff --git a/pkgs/applications/video/obs-studio/plugins/default.nix b/pkgs/applications/video/obs-studio/plugins/default.nix
index 8019aa4a8b3a..044f14eafc7b 100644
--- a/pkgs/applications/video/obs-studio/plugins/default.nix
+++ b/pkgs/applications/video/obs-studio/plugins/default.nix
@@ -74,6 +74,8 @@
 
   obs-tuna = qt6Packages.callPackage ./obs-tuna { };
 
+  obs-urlsource = qt6Packages.callPackage ./obs-urlsource.nix { };
+
   obs-vaapi = callPackage ./obs-vaapi { };
 
   obs-vertical-canvas = qt6Packages.callPackage ./obs-vertical-canvas.nix { };
diff --git a/pkgs/applications/video/obs-studio/plugins/obs-urlsource.nix b/pkgs/applications/video/obs-studio/plugins/obs-urlsource.nix
new file mode 100644
index 000000000000..0ced62150e21
--- /dev/null
+++ b/pkgs/applications/video/obs-studio/plugins/obs-urlsource.nix
@@ -0,0 +1,98 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  curl,
+  git,
+  obs-studio,
+  pugixml,
+  qtbase,
+  writeScript,
+}:
+
+let
+  websocketpp = fetchFromGitHub {
+    owner = "zaphoyd";
+    repo = "websocketpp";
+    rev = "0.8.2";
+    sha256 = "sha256-9fIwouthv2GcmBe/UPvV7Xn9P2o0Kmn2hCI4jCh0hPM=";
+  };
+
+  lexbor = fetchFromGitHub {
+    owner = "lexbor";
+    repo = "lexbor";
+    rev = "v2.3.0";
+    sha256 = "sha256-s5fZWBhXC0fuHIUk1YX19bHagahOtSLlKQugyHCIlgI=";
+  };
+
+  asio = fetchFromGitHub {
+    owner = "chriskohlhoff";
+    repo = "asio";
+    rev = "asio-1-28-0";
+    sha256 = "sha256-dkiUdR8FgDnnqdptaJjE4rvNlgpC5HZl6SQQ5Di2C2s=";
+  };
+in
+stdenv.mkDerivation rec {
+  pname = "obs-urlsource";
+  version = "0.3.7";
+
+  src = fetchFromGitHub {
+    owner = "locaal-ai";
+    repo = "obs-urlsource";
+    rev = version;
+    sha256 = "sha256-ZWwD8jJkL1rAUeanD4iChcgpnJaC5pPo36Ot36XOSx8=";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [
+    cmake
+    git
+  ];
+  buildInputs = [
+    curl
+    obs-studio
+    pugixml
+    qtbase
+  ];
+  dontWrapQtApps = true;
+
+  # Update websocketpp and lexabor configurations to use pre-fetched sources
+  postPatch = ''
+    sed -i 's|URL .*|SOURCE_DIR "${websocketpp}"\n    DOWNLOAD_COMMAND ""|' cmake/FetchWebsocketpp.cmake
+    sed -i \
+      -e 's|GIT_REPOSITORY .*|SOURCE_DIR "${lexbor}"|' \
+      -e 's|GIT_TAG .*|DOWNLOAD_COMMAND ""\n    UPDATE_COMMAND ""|' \
+      cmake/BuildLexbor.cmake
+  '';
+
+  postInstall = ''
+    rm -rf $out/lib/cmake
+  '';
+
+  NIX_CFLAGS_COMPILE = [
+    "-I${websocketpp}"
+    "-I${asio}/asio/include"
+  ];
+
+  cmakeFlags = [
+    # Prevent deprecation warnings from failing the build
+    (lib.cmakeOptionType "string" "CMAKE_CXX_FLAGS" "-Wno-error=deprecated-declarations")
+    (lib.cmakeBool "ENABLE_QT" true)
+    (lib.cmakeBool "USE_SYSTEM_CURL" true)
+    (lib.cmakeBool "USE_SYSTEM_PUGIXML" true)
+    (lib.cmakeBool "CMAKE_COMPILE_WARNING_AS_ERROR" false)
+    "-Wno-dev"
+  ];
+
+  meta = with lib; {
+    description = "OBS plugin to fetch data from a URL or file, connect to an API or AI service, parse responses and display text, image or audio on scene";
+    homepage = "https://github.com/locaal-ai/obs-urlsource";
+    maintainers = with maintainers; [ flexiondotorg ];
+    license = licenses.gpl2Only;
+    platforms = [
+      "x86_64-linux"
+      "i686-linux"
+    ];
+  };
+}