1 files changed, 112 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/mlt/qt-5.nix b/nixpkgs/pkgs/development/libraries/mlt/qt-5.nix
new file mode 100644
index 000000000000..7004a5e11c04
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/mlt/qt-5.nix
@@ -0,0 +1,112 @@
+{ lib, stdenv
+, fetchFromGitHub
+, SDL
+, ffmpeg
+, frei0r
+, libjack2
+, libdv
+, libsamplerate
+, libvorbis
+, libxml2
+, movit
+, pkg-config
+, sox
+, qtbase
+, qtsvg
+, fftw
+, vid-stab
+, opencv3
+, ladspa-sdk
+, genericUpdater
+, common-updater-scripts
+, ladspaPlugins
+, mkDerivation
+, which
+}:
+let inherit (lib) getDev; in
+mkDerivation rec {
+  pname = "mlt";
+  version = "6.22.1";
+
+  src = fetchFromGitHub {
+    owner = "mltframework";
+    repo = "mlt";
+    rev = "v${version}";
+    sha256 = "0jxv848ykw0csbnayrd710ylw46m0picfv7rpzsxz1vh4jzs395k";
+  };
+
+  buildInputs = [
+    SDL
+    ffmpeg
+    frei0r
+    libjack2
+    libdv
+    libsamplerate
+    libvorbis
+    libxml2
+    movit
+    pkg-config
+    qtbase
+    qtsvg
+    sox
+    fftw
+    vid-stab
+    opencv3
+    ladspa-sdk
+    ladspaPlugins
+  ];
+
+  nativeBuildInputs = [ which ];
+
+  outputs = [ "out" "dev" ];
+
+  # Mostly taken from:
+  # http://www.kdenlive.org/user-manual/downloading-and-installing-kdenlive/installing-source/installing-mlt-rendering-engine
+  configureFlags = [
+    "--avformat-swscale"
+    "--enable-gpl"
+    "--enable-gpl3"
+    "--enable-opengl"
+  ];
+
+  # mlt is unable to cope with our multi-prefix Qt build
+  # because it does not use CMake or qmake.
+  NIX_CFLAGS_COMPILE = "-I${getDev qtsvg}/include/QtSvg";
+
+  CXXFLAGS = "-std=c++11";
+
+  qtWrapperArgs = [
+    "--prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1"
+    "--prefix LADSPA_PATH : ${ladspaPlugins}/lib/ladspa"
+  ];
+
+  postInstall = ''
+    # Remove an unnecessary reference to movit.dev.
+    s=${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|$t|g"
+  '';
+
+  passthru = {
+    inherit ffmpeg;
+  };
+
+  passthru.updateScript = genericUpdater {
+    inherit pname version;
+    versionLister = "${common-updater-scripts}/bin/list-git-tags ${src.meta.homepage}";
+    rev-prefix = "v";
+  };
+
+  meta = with lib; {
+    description = "Open source multimedia framework, designed for television broadcasting";
+    homepage = "https://www.mltframework.org/";
+    license = licenses.gpl3;
+    maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
+  };
+}