anchor.diff:        ocamlPackages.portaudio
         ocamlPackages.pulseaudio
         ocamlPackages.shine
  +      ocamlPackages.samplerate
         ocamlPackages.soundtouch
         ocamlPackages.speex
         ocamlPackages.srt
  
positive.code:       ocamlPackages.tsdl-ttf
  
        # Undocumented dependencies
        ocamlPackages.ocurl
        ocamlPackages.lilv
        ocamlPackages.graphics
        ocamlPackages.yojson
        ocamlPackages.cohttp-lwt-unix
      ];
  
  
negative.code:       ocamlPackages.dssi
        ocamlPackages.faad
        ocamlPackages.fdkaac
        ocamlPackages.flac
        ocamlPackages.frei0r
        ocamlPackages.gstreamer
  