{
  packageOverrides = pkgs: {
    mpv = let mpv = pkgs.mpv.override { youtubeSupport = true; theoraSupport = true; }; in pkgs.stdenv.mkDerivation {
      name = "mpv-wrapper";
      src = mpv;
      unpackPhase = "cat";
      buildInputs = [ pkgs.makeWrapper pkgs.rsync ];
      installPhase = ''
        mkdir -p $out
        rsync -a $src/ $out/
        chmod o+w $out/bin
        wrapProgram $out/bin/mpv \
          --set JACK_PROMISCUOUS_SERVER 1 \
          --run "umask 0"
      '';
    };
  };
}