frigate: init at 0.12.0

Frigate is a NVR with realtime local object detection for IP cameras.

pkgs/applications/video/frigate/default.nix

@@ -0,0 +1,175 @@
+{ lib
+, callPackage
+, python3
+, fetchFromGitHub
+, fetchurl
+, fetchpatch
+, frigate
+, opencv4
+}:
+
+let
+  version = "0.12.0";
+
+  src = fetchFromGitHub {
+    #name = "frigate-${version}-source";
+    owner = "blakeblackshear";
+    repo = "frigate";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-kJ0MnmWThiFbXvrN+zL5pZHq+Ig3DhCc8wPlWX2+nP8=";
+  };
+
+  frigate-web = callPackage ./web.nix {
+    inherit version src;
+  };
+
+  python = python3.override {
+    packageOverrides = self: super: {
+      # https://github.com/blakeblackshear/frigate/blob/v0.12.0/requirements-wheels.txt#L7
+      opencv = super.toPythonModule ((opencv4.override {
+        enablePython = true;
+        pythonPackages = self;
+      }).overrideAttrs (oldAttrs: rec {
+        version = "4.5.5";
+        src = fetchFromGitHub {
+          owner = "opencv";
+          repo = "opencv";
+          rev = "refs/tags/${version}";
+          hash = "sha256-TJfzEAMh4JSshZ7oEZPgB59+NBACsj6Z5TCzVOBaEP4=";
+        };
+        contribSrc = fetchFromGitHub {
+          owner = "opencv";
+          repo = "opencv_contrib";
+          rev = "refs/tags/${version}";
+          hash = "sha256-skuH9GYg0mivGaJjxbggXk4x/0bbQISrAawA3ZUGfCk=";
+        };
+        postUnpack = ''
+          cp --no-preserve=mode -r "${contribSrc}/modules" "$NIX_BUILD_TOP/source/opencv_contrib"
+        '';
+      }));
+    };
+  };
+
+  # Tensorflow Lite models
+  # https://github.com/blakeblackshear/frigate/blob/v0.12.0/Dockerfile#L88-L91
+  tflite_cpu_model = fetchurl {
+    url = "https://github.com/google-coral/test_data/raw/release-frogfish/ssdlite_mobiledet_coco_qat_postprocess.tflite";
+    hash = "sha256-kLszpjTgQZFMwYGapd+ZgY5sOWxNLblSwP16nP/Eck8=";
+  };
+  tflite_edgetpu_model = fetchurl {
+    url = "https://github.com/google-coral/test_data/raw/release-frogfish/ssdlite_mobiledet_coco_qat_postprocess_edgetpu.tflite";
+    hash = "sha256-Siviu7YU5XbVbcuRT6UnUr8PE0EVEnENNV2X+qGzVkE=";
+  };
+
+  # OpenVino models
+  # https://github.com/blakeblackshear/frigate/blob/v0.12.0/Dockerfile#L92-L95
+  openvino_model = fetchurl {
+    url = "https://github.com/openvinotoolkit/open_model_zoo/raw/master/data/dataset_classes/coco_91cl_bkgr.txt";
+    hash = "sha256-5Cj2vEiWR8Z9d2xBmVoLZuNRv4UOuxHSGZQWTJorXUQ=";
+  };
+in
+python.pkgs.buildPythonApplication rec {
+  pname = "frigate";
+  inherit version;
+  format = "other";
+
+  inherit src;
+
+  patches = [
+    (fetchpatch {
+      # numpy 1.24 compat
+      url = "https://github.com/blakeblackshear/frigate/commit/cb73d0cd392990448811c7212bc5f09be411fc69.patch";
+      hash = "sha256-Spt7eRosmTN8zyJ2uVme5HPVy2TKgBtvbQ6tp6PaNac=";
+    })
+  ];
+
+  postPatch = ''
+    echo 'VERSION = "${version}"' > frigate/version.py
+
+    substituteInPlace frigate/app.py \
+      --replace "Router(migrate_db)" 'Router(migrate_db, "${placeholder "out"}/share/frigate/migrations")'
+
+    substituteInPlace frigate/const.py \
+      --replace "/media/frigate" "/var/lib/frigate" \
+      --replace "/tmp/cache" "/var/cache/frigate"
+
+    substituteInPlace frigate/detectors/detector_config.py \
+      --replace "/labelmap.txt" "${placeholder "out"}/share/frigate/labelmap.txt"
+
+    substituteInPlace frigate/detectors/plugins/edgetpu_tfl.py \
+      --replace "/edgetpu_model.tflite" "${tflite_edgetpu_model}"
+
+    substituteInPlace frigate/detectors/plugins/cpu_tfl.py \
+      --replace "/cpu_model.tflite" "${tflite_cpu_model}"
+
+    substituteInPlace frigate/ffmpeg_presets.py --replace \
+       '"-timeout" if os.path.exists(BTBN_PATH) else "-stimeout"' \
+       '"-timeout"'
+  '';
+
+  dontBuild = true;
+
+  propagatedBuildInputs = with python.pkgs; [
+    # requirements.txt
+    scikit-build
+    # requirements-wheel.txt
+    click
+    flask
+    imutils
+    matplotlib
+    numpy
+    opencv
+    openvino
+    paho-mqtt
+    peewee
+    peewee-migrate
+    psutil
+    pydantic
+    pyyaml
+    requests
+    scipy
+    setproctitle
+    tensorflow
+    tzlocal
+    ws4py
+    zeroconf
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/${python.sitePackages}/frigate
+    cp -R frigate/* $out/${python.sitePackages}/frigate/
+
+    mkdir -p $out/share/frigate
+    cp -R {migrations,labelmap.txt} $out/share/frigate/
+
+    cp --no-preserve=mode ${openvino_model} $out/share/frigate/coco_91cl_bkgr.txt
+    sed -i 's/truck/car/g' $out/share/frigate/coco_91cl_bkgr.txt
+
+    runHook postInstall
+  '';
+
+  checkInputs = with python.pkgs; [
+    pytestCheckHook
+  ];
+
+  passthru = {
+    web = frigate-web;
+    inherit python;
+    pythonPath =(python.pkgs.makePythonPath propagatedBuildInputs) + ":${frigate}/${python.sitePackages}";
+  };
+
+  meta = with lib; {
+    changelog = "https://github.com/blakeblackshear/frigate/releases/tag/v${version}";
+    description = "NVR with realtime local object detection for IP cameras";
+    longDescription = ''
+      A complete and local NVR designed for Home Assistant with AI
+      object detection. Uses OpenCV and Tensorflow to perform realtime
+      object detection locally for IP cameras.
+    '';
+    homepage = "https://github.com/blakeblackshear/frigate";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hexa ];
+  };
+}

pkgs/applications/video/frigate/web.nix

@@ -0,0 +1,26 @@
+{ buildNpmPackage
+, src
+, version
+}:
+
+buildNpmPackage {
+  pname = "frigate-web";
+  inherit version src;
+
+  sourceRoot = "source/web";
+
+  postPatch = ''
+    substituteInPlace package.json \
+      --replace "--base=/BASE_PATH/" ""
+
+    substituteInPlace src/routes/Storage.jsx \
+      --replace "/media/frigate" "/var/lib/frigate" \
+      --replace "/tmp/cache" "/var/cache/frigate"
+  '';
+
+  npmDepsHash = "sha256-fvRxpQjSEzd2CnoEOVgQcB6MJJ4dcjN8bOaacHjCdwU=";
+
+  installPhase = ''
+    cp -rv dist/ $out
+  '';
+}

pkgs/top-level/all-packages.nix

@@ -7716,6 +7716,8 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) AppKit CoreFoundation DiskArbitration Foundation IOKit;
   };
 
+  frigate = callPackage ../applications/video/frigate { };
+
   frostwire = callPackage ../applications/networking/p2p/frostwire { };
   frostwire-bin = callPackage ../applications/networking/p2p/frostwire/frostwire-bin.nix { };