Note: help and version output are generated by a naïve script which tries a few variants of
<command> --help, <command> -h etc. to find the command's help and version info.
Sometimes it gets lucky, sometimes it doesn't; if the output below looks wrong, it probably is.
lqtremux -V (return code: 255)
[core] Error: Opening failed (unsupported filetype)
Couldn't open file --version
No tracks to demultiplex
lqtremux (return code: 0)
Usage: lqtremux [-pre <outprefix>] infile
lqtremux infile1 infile2 ... outfile