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nixpkgs/pkgs/development/libraries/gstreamer/libav/default.nix
2017-12-08 23:21:09 +00:00

40 lines
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Nix

{ stdenv, fetchurl, pkgconfig, python, yasm
, gst-plugins-base, orc, bzip2
, withSystemLibav ? true, libav ? null
}:
# Note that since gst-libav-1.6, libav is actually ffmpeg. See
# https://gstreamer.freedesktop.org/releases/1.6/ for more info.
assert withSystemLibav -> libav != null;
stdenv.mkDerivation rec {
name = "gst-libav-1.12.3";
meta = {
homepage = https://gstreamer.freedesktop.org;
license = stdenv.lib.licenses.lgpl2Plus;
platforms = stdenv.lib.platforms.unix;
};
src = fetchurl {
url = "${meta.homepage}/src/gst-libav/${name}.tar.xz";
sha256 = "0l4nc6ikdx49l7bdrk3bd9p3pzry8a328r22zg48gyzpnv5ghph1";
};
outputs = [ "out" "dev" ];
configureFlags = stdenv.lib.optionalString withSystemLibav
"--with-system-libav";
nativeBuildInputs = with stdenv.lib;
[ pkgconfig python ]
++ optional (!withSystemLibav) yasm
;
buildInputs = with stdenv.lib;
[ gst-plugins-base orc bzip2 ]
++ optional withSystemLibav libav
;
}