anchor.diff:      sed "s_/usr/bin/nice_''${NICE}_" -i src/jobs/meltjob.cpp src/jobs/ffmpegjob.cpp
     '';
   
  +  qtWrapperArgs = [
  +    "--prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1"
  +    "--prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [jack1 SDL2 ]}"
  +    "--prefix PATH : ${mlt}/bin"
  +    ];
  +
     postInstall = ''
       mkdir -p $out/share/shotcut
       cp -r src/qml $out/share/shotcut/
  -    wrapProgram $out/bin/shotcut --prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1 --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ jack1 SDL2 ]} --prefix PATH : ${mlt}/bin
     '';
   
     meta = with stdenv.lib; {
  
positive.code:   };
  
    enableParallelBuilding = true;
    nativeBuildInputs = [ makeWrapper pkgconfig qmake ];
    buildInputs = [
      SDL2 frei0r gettext mlt libmlt
      qtbase qtmultimedia qtwebkit qtx11extras qtwebsockets qtquickcontrols
  
negative.code: { stdenv, fetchFromGitHub, SDL2, frei0r, gettext, mlt, jack1, mkDerivation
  , pkgconfig, qtbase, qtmultimedia, qtwebkit, qtx11extras, qtwebsockets
  , qtquickcontrols, qtgraphicaleffects, libmlt, qmake, qttools }:
  
  assert stdenv.lib.versionAtLeast libmlt.version "6.8.0";
  assert stdenv.lib.versionAtLeast mlt.version "6.8.0";
  
  mkDerivation rec {
    name = "shotcut-${version}";
    version = "19.07.15";
  
  