nixpkgs/pkgs/development/libraries/libass/default.nix

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{ stdenv, fetchurl, pkgconfig, yasm
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, freetype, fribidi
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, encaSupport ? true, enca ? null # enca support
, fontconfigSupport ? true, fontconfig ? null # fontconfig support
, harfbuzzSupport ? true, harfbuzz ? null # harfbuzz support
, rasterizerSupport ? false # Internal rasterizer
, largeTilesSupport ? false # Use larger tiles in the rasterizer
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, libiconv
}:
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assert encaSupport -> enca != null;
assert fontconfigSupport -> fontconfig != null;
assert harfbuzzSupport -> harfbuzz != null;
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let
mkFlag = optSet: flag: if optSet then "--enable-${flag}" else "--disable-${flag}";
in
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with stdenv.lib;
stdenv.mkDerivation rec {
name = "libass-${version}";
version = "0.13.4";
src = fetchurl {
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url = "https://github.com/libass/libass/releases/download/${version}/${name}.tar.xz";
sha256 = "1dlzkjybnpl2fkvyjq0qblb7qw12cs893bs7zj3rvf8ij342yjnq";
};
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configureFlags = [
(mkFlag encaSupport "enca")
(mkFlag fontconfigSupport "fontconfig")
(mkFlag harfbuzzSupport "harfbuzz")
(mkFlag rasterizerSupport "rasterizer")
(mkFlag largeTilesSupport "large-tiles")
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];
nativeBuildInputs = [ pkgconfig yasm ];
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buildInputs = [ freetype fribidi ]
++ optional encaSupport enca
++ optional fontconfigSupport fontconfig
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++ optional harfbuzzSupport harfbuzz
++ optional stdenv.isDarwin libiconv;
meta = {
description = "Portable ASS/SSA subtitle renderer";
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homepage = https://github.com/libass/libass;
license = licenses.isc;
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platforms = platforms.unix;
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maintainers = with maintainers; [ codyopel urkud ];
repositories.git = git://github.com/libass/libass.git;
};
}