anchor.diff:      openssl
     ];
   
  -  patches = optionals (!versionOlder channel "3.5") [
  -    (fetchTritonPatch {
  -      rev = "7deabe056f426f80c70a73b0bc310cfbf53d0231";
  -      file = "f/ffmpeg/ffmpeg-3.5.dev-revert-libva2-uncompat-changes.patch";
  -      sha256 = "84c6302fd49203735c4286acf5310b47504e6cbf39ba7fb8d388265a4c635acc";
  -    })
  -  ];
  -
     postPatch = ''
       patchShebangs .
     '' + optionalString (frei0r-plugins != null) ''
  
positive.code:     "--${boolEn (zeromq4 != null)}-libzmq"
      #"--${boolEn (zvbi != null)}-libzvbi"
      /**/"--disable-libzvbi"
      "--${boolEn (xz != null)}-lzma"
      #"--${boolEn decklinkExtlib}-decklink"
      /**/"--disable-decklink"
  
negative.code:     /*
       *  Hardware accelerators
       */
      (fflag "--disable-amf" "3.5")  # macOS
      "--disable-audiotoolbox"  # macOS
      "--${boolEn (
        nvidia-cuda-toolkit != null
  