push sheeet

pkgs/by-name/li/libcamera/ipa-priv-key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

pkgs/by-name/li/libcamera/package.nix

@@ -0,0 +1,143 @@
+{
+  stdenv,
+  fetchgit,
+  lib,
+  meson,
+  ninja,
+  pkg-config,
+  makeFontsConf,
+  openssl,
+  libdrm,
+  libevent,
+  libyaml,
+  gst_all_1,
+  gtest,
+  graphviz,
+  doxygen,
+  python3,
+  python3Packages,
+  udev,
+  libpisp,
+  withTracing ? lib.meta.availableOn stdenv.hostPlatform lttng-ust,
+  lttng-ust, # withTracing
+  withQcam ? false,
+  qt6, # withQcam
+  libtiff, # withQcam
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libcamera";
+  version = "0.5.2";
+
+  src = fetchgit {
+    url = "https://git.libcamera.org/libcamera/libcamera.git";
+    rev = "v${version}";
+    hash = "sha256-nr1LmnedZMGBWLf2i5uw4E/OMeXObEKgjuO+PUx/GDY=";
+  };
+
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  postPatch = ''
+    patchShebangs src/py/ utils/
+  '';
+
+  # libcamera signs the IPA module libraries at install time, but they are then
+  # modified by stripping and RPATH fixup. Therefore, we need to generate the
+  # signatures again ourselves. For reproducibility, we use a static private key.
+  #
+  # If this is not done, libcamera will still try to load them, but it will
+  # isolate them in separate processes, which can cause crashes for IPA modules
+  # that are not designed for this (notably ipa_rpi.so).
+  preBuild = ''
+    ninja src/ipa-priv-key.pem
+    install -D ${./ipa-priv-key.pem} src/ipa-priv-key.pem
+  '';
+
+  postFixup = ''
+    ../src/ipa/ipa-sign-install.sh src/ipa-priv-key.pem $out/lib/libcamera/ipa/ipa_*.so
+  '';
+
+  strictDeps = true;
+
+  buildInputs = [
+    # IPA and signing
+    openssl
+
+    # gstreamer integration
+    gst_all_1.gstreamer
+    gst_all_1.gst-plugins-base
+
+    # cam integration
+    libevent
+    libdrm
+
+    # hotplugging
+    udev
+
+    # pycamera
+    python3Packages.pybind11
+
+    # yamlparser
+    libyaml
+
+    gtest
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isAarch [ libpisp ]
+  ++ lib.optionals withTracing [ lttng-ust ]
+  ++ lib.optionals withQcam [
+    libtiff
+    qt6.qtbase
+    qt6.qttools
+  ];
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    python3
+    python3Packages.jinja2
+    python3Packages.pyyaml
+    python3Packages.ply
+    python3Packages.sphinx
+    graphviz
+    doxygen
+    openssl
+  ]
+  ++ lib.optional withQcam qt6.wrapQtAppsHook;
+
+  mesonFlags = [
+    "-Dv4l2=true"
+    (lib.mesonEnable "tracing" withTracing)
+    (lib.mesonEnable "qcam" withQcam)
+    "-Dlc-compliance=disabled" # tries unconditionally to download gtest when enabled
+    # Avoid blanket -Werror to evade build failures on less
+    # tested compilers.
+    "-Dwerror=false"
+    # Documentation breaks binary compatibility.
+    # Given that upstream also provides public documentation,
+    # we can disable it here.
+    "-Ddocumentation=disabled"
+  ];
+
+  # Fixes error on a deprecated declaration
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
+
+  # Silence fontconfig warnings about missing config
+  FONTCONFIG_FILE = makeFontsConf { fontDirectories = [ ]; };
+
+  meta = with lib; {
+    description = "Open source camera stack and framework for Linux, Android, and ChromeOS";
+    homepage = "https://libcamera.org";
+    changelog = "https://git.libcamera.org/libcamera/libcamera.git/tag/?h=${src.rev}";
+    license = licenses.lgpl2Plus;
+    maintainers = with maintainers; [ citadelcore ];
+    platforms = platforms.linux;
+    badPlatforms = [
+      # Mandatory shared libraries.
+      lib.systems.inspect.platformPatterns.isStatic
+    ];
+  };
+}