1 files changed, 52 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/decklink/default.nix b/pkgs/os-specific/linux/decklink/default.nix
new file mode 100644
index 0000000000000..63bfe4a63af20
--- /dev/null
+++ b/pkgs/os-specific/linux/decklink/default.nix
@@ -0,0 +1,52 @@
+{ stdenv
+, lib
+, blackmagic-desktop-video
+, kernel
+}:
+
+stdenv.mkDerivation rec {
+  pname = "decklink";
+
+  # the download is a horrible curl mess. we reuse it between the kernel module
+  # and desktop service, since the version of the two have to match anyways.
+  # See pkgs/tools/video/blackmagic-desktop-video/default.nix for more.
+  inherit (blackmagic-desktop-video) src version;
+
+  KERNELDIR = "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";
+  INSTALL_MOD_PATH = placeholder "out";
+
+  nativeBuildInputs =  kernel.moduleBuildDependencies;
+
+  postUnpack = ''
+    tar xf Blackmagic_Desktop_Video_Linux_${lib.versions.majorMinor version}/other/${stdenv.hostPlatform.uname.processor}/desktopvideo-${version}-${stdenv.hostPlatform.uname.processor}.tar.gz
+    moduleRoot=$NIX_BUILD_TOP/desktopvideo-${version}-${stdenv.hostPlatform.uname.processor}/usr/src
+  '';
+
+
+  buildPhase = ''
+    runHook preBuild
+
+    make -C $moduleRoot/blackmagic-${version} -j$NIX_BUILD_CORES
+    make -C $moduleRoot/blackmagic-io-${version} -j$NIX_BUILD_CORES
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    make -C $KERNELDIR M=$moduleRoot/blackmagic-${version} modules_install
+    make -C $KERNELDIR M=$moduleRoot/blackmagic-io-${version} modules_install
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.blackmagicdesign.com/support/family/capture-and-playback";
+    maintainers = [ maintainers.hexchen ];
+    license = licenses.unfree;
+    description = "Kernel module for the Blackmagic Design Decklink cards";
+    sourceProvenance = with lib.sourceTypes; [ binaryFirmware ];
+    platforms = platforms.linux;
+  };
+}