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{ stdenv, fetchFromGitHub, SDL, ffmpeg, frei0r, libjack2, libdv, libsamplerate
, libvorbis, libxml2, makeWrapper, movit, pkgconfig, sox, qtbase, qtsvg
, fftw, vid-stab, opencv3, ladspa-sdk
}:
let inherit (stdenv.lib) getDev; in
stdenv.mkDerivation rec {
pname = "mlt";
version = "6.16.0";
src = fetchFromGitHub {
owner = "mltframework";
repo = "mlt";
rev = "v${version}";
sha256 = "1362fv63p34kza9v4b71b6wakgvsa2vdx9y0g28x3yh4cp4k97kx";
};
buildInputs = [
SDL ffmpeg frei0r libjack2 libdv libsamplerate libvorbis libxml2
makeWrapper movit pkgconfig qtbase qtsvg sox fftw vid-stab opencv3
ladspa-sdk
];
outputs = [ "out" "dev" ];
# Mostly taken from:
# http://www.kdenlive.org/user-manual/downloading-and-installing-kdenlive/installing-source/installing-mlt-rendering-engine
configureFlags = [
"--avformat-swscale" "--enable-gpl" "--enable-gpl" "--enable-gpl3"
"--enable-opengl"
];
# mlt is unable to cope with our multi-prefix Qt build
# because it does not use CMake or qmake.
NIX_CFLAGS_COMPILE = [ "-I${getDev qtsvg}/include/QtSvg" ];
CXXFLAGS = "-std=c++11";
enableParallelBuilding = true;
postInstall = ''
wrapProgram $out/bin/melt --prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1
# Remove an unnecessary reference to movit.dev.
s=${movit.dev}/include
t=$(for ((i = 0; i < ''${#s}; i++)); do echo -n X; done)
sed -i $out/lib/mlt/libmltopengl.so -e "s|$s|$t|g"
# Remove an unnecessary reference to movit.dev.
s=${qtbase.dev}/include
t=$(for ((i = 0; i < ''${#s}; i++)); do echo -n X; done)
sed -i $out/lib/mlt/libmltqt.so -e "s|$s|$t|g"
'';
passthru = {
inherit ffmpeg;
};
meta = with stdenv.lib; {
description = "Open source multimedia framework, designed for television broadcasting";
homepage = https://www.mltframework.org/;
license = licenses.gpl3;
maintainers = [ maintainers.goibhniu ];
platforms = platforms.linux;
};
}
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