anchor.diff:  { lib
   , fetchFromGitHub
  +, cmake
   , SDL
   , ffmpeg
   , frei0r
  
positive.code: let inherit (lib) getDev; in
  mkDerivation rec {
    pname = "mlt";
    version = "6.24.0";
  
    src = fetchFromGitHub {
      owner = "mltframework";
      repo = "mlt";
      rev = "v${version}";
      sha256 = "1my43ica2qax2622307dv4gn3w8hkchy643i9pq8r9yh2hd4pvs9";
    };
  
    buildInputs = [
  
negative.code:     ladspaPlugins
    ];
  
    nativeBuildInputs = [ cmake which ];
  
    outputs = [ "out" "dev" ];
  
    qtWrapperArgs = [
      "--prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1"
      "--prefix LADSPA_PATH : ${ladspaPlugins}/lib/ladspa"
    ];
  
    passthru = {
      inherit ffmpeg;
  