Usage: $0 [options] directory \
	[-v videofile] [-a audiofile] [-s subtitlefile] [-c cutspec]

      directory: directory where previous steps have laid out content

      (currently -v, -a, -s and -c options unsupported)     

      videofile: in m2v format (i.e. demultiplexed mpeg2 video file)

      audiofile: in mp2 format (i.e. demultiplexed (standard) mp2 audio file)

      subtitlefile: optionally dvdauthor (spumux) xml file...
        (subtitles currently unsupported, though)

      cutspec: frame ranges in format: s-e[,s-e[,s-e...]]
	start frame inclusive, end frame exclusive	

      Summary of options:   --options      --examples    -
                            --stop         --nomux       --aonly
                            --sync=n       --test=n      --last=n       
        --mplexopts="..."   --requant=n.n  --evbr=n      --asr=n

 Example: $0 --test=400 --stop .