lavpipe -V (return code: 1)
lavpipe: invalid option -- '-'
Usage: lavpipe [options] <pipe list>
Options: -o num Frame offset - skip num frames in the beginning
if num is negative, all but the last num frames are skipped
-n num Only num frames are processed (0 means all frames)
-v num Verbosity of output [0..2]
lavpipe -h (return code: 1)
lavpipe: invalid option -- 'h'
Usage: lavpipe [options] <pipe list>
Options: -o num Frame offset - skip num frames in the beginning
if num is negative, all but the last num frames are skipped
-n num Only num frames are processed (0 means all frames)
-v num Verbosity of output [0..2]