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|
{ stdenv
, cacert
, curl
, runCommandLocal
, lib
, autoPatchelfHook
, libcxx
, libGL
, gcc7
}:
stdenv.mkDerivation rec {
pname = "blackmagic-desktop-video";
version = "12.9a3";
buildInputs = [
autoPatchelfHook
libcxx
libGL
gcc7.cc.lib
];
# yes, the below download function is an absolute mess.
# blame blackmagicdesign.
src = runCommandLocal "${pname}-${lib.versions.majorMinor version}-src.tar.gz"
rec {
outputHashMode = "recursive";
outputHashAlgo = "sha256";
outputHash = "sha256-H7AHD6u8KsJoL+ug3QCqxuPfMP4A0nHtIyKx5IaQkdQ=";
impureEnvVars = lib.fetchers.proxyImpureEnvVars;
nativeBuildInputs = [ curl ];
# ENV VARS
SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
# from the URL that the POST happens to, see browser console
DOWNLOADID = "495ebc707969447598c2f1cf0ff8d7d8";
# from the URL the download page where you click the "only download" button is at
REFERID = "6e65a87d97bd49e1915c57f8df255f5c";
SITEURL = "https://www.blackmagicdesign.com/api/register/us/download/${DOWNLOADID}";
USERAGENT = builtins.concatStringsSep " " [
"User-Agent: Mozilla/5.0 (X11; Linux ${stdenv.hostPlatform.linuxArch})"
"AppleWebKit/537.36 (KHTML, like Gecko)"
"Chrome/77.0.3865.75"
"Safari/537.36"
];
REQJSON = builtins.toJSON {
"country" = "nl";
"downloadOnly" = true;
"platform" = "Linux";
"policy" = true;
};
} ''
RESOLVEURL=$(curl \
-s \
-H "$USERAGENT" \
-H 'Content-Type: application/json;charset=UTF-8' \
-H "Referer: https://www.blackmagicdesign.com/support/download/$REFERID/Linux" \
--data-ascii "$REQJSON" \
--compressed \
"$SITEURL")
curl \
--retry 3 --retry-delay 3 \
--compressed \
"$RESOLVEURL" \
> $out
'';
postUnpack = let
arch = stdenv.hostPlatform.uname.processor;
in ''
tar xf Blackmagic_Desktop_Video_Linux_${lib.head (lib.splitString "a" version)}/other/${arch}/desktopvideo-${version}-${arch}.tar.gz
unpacked=$NIX_BUILD_TOP/desktopvideo-${version}-${stdenv.hostPlatform.uname.processor}
'';
installPhase = ''
runHook preInstall
mkdir -p $out/{bin,share/doc,lib/systemd/system}
cp -r $unpacked/usr/share/doc/desktopvideo $out/share/doc
cp $unpacked/usr/lib/*.so $out/lib
cp $unpacked/usr/lib/systemd/system/DesktopVideoHelper.service $out/lib/systemd/system
cp $unpacked/usr/lib/blackmagic/DesktopVideo/DesktopVideoHelper $out/bin/
substituteInPlace $out/lib/systemd/system/DesktopVideoHelper.service --replace "/usr/lib/blackmagic/DesktopVideo/DesktopVideoHelper" "$out/bin/DesktopVideoHelper"
runHook postInstall
'';
# need to tell the DesktopVideoHelper where to find its own library
appendRunpaths = [ "${placeholder "out"}/lib" ];
meta = with lib; {
homepage = "https://www.blackmagicdesign.com/support/family/capture-and-playback";
maintainers = [ maintainers.hexchen ];
license = licenses.unfree;
description = "Supporting applications for Blackmagic Decklink. Doesn't include the desktop applications, only the helper required to make the driver work";
platforms = platforms.linux;
};
}
|
