First parameter, NAME, should be all caps
NAMEmpeg2demux - demuxer for MPEG2 and VOB files.
SYNOPSISmpeg2demux src-file dst-file-w/o-extension
DESCRIPTIONDemux video from src-file(.mpg, .vob). If src-file has .vob extension then ac3/dts/lpcm audios are to be pulled too.
If there is a lpcm audio in
it will have info for mplex muxer in its name, how to mux with -L option.