nixpkgs/pkgs/os-specific/linux/decklink/default.nix
2023-09-09 19:45:50 +02:00

53 lines
1.6 KiB
Nix

{ 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;
};
}