{ stdenv, ffmpeg, sound-gambit, gawk, bc, fetchFromGitHub }:

stdenv.mkDerivation rec {
  pname = "ebu-norm";
  version = "2.2";

  src = fetchFromGitHub {
    owner = "chrismhampson";
    repo = "ebu-norm";
    rev = "v${version}";
    sha256 = "120rpi0k3rq0v50ia9cyailgnx5wvpgkzbp8vi74xmr3c0lf26r4";
  };

  patches = [ ./0000-remove-dep-check.patch ];

  buildInputs = [
    ffmpeg sound-gambit gawk bc
  ];

  postPatch = ''
    for file in ebu-scan ebu-plot ebu-norm tp-norm; do
        sed --in-place \
            -e "s|ffmpeg|${ffmpeg}/bin/ffmpeg|g" \
            -e "s|bc|${bc}/bin/bc|g" \
            -e "s|sound-gambit|${sound-gambit}/bin/sound-gambit|g" \
            $file
    done
  '';
  
  installPhase = ''
    mkdir -p $out/bin
    cp {ebu-scan,ebu-plot,ebu-norm,tp-norm} $out/bin/
  '';

  meta = with lib; {
    description = "An advanced, professional batch normalizer and scanner for EBU R 128 and other target levels.";
    homepage = "https://github.com/chrismhampson/ebu-norm";
    license = licenses.gpl3;
    maintainers = [ ];
  };
}