v4l-info(1) debian man page | unix.com

v4l-info(1)						      General Commands Manual						       v4l-info(1)

NAME
       v4l-info - dump video4linux(2) device info to stdout

SYNOPSIS
       v4l-info [ device ]

DESCRIPTION
       v4l-info  just  prints the v4l(2) device info, i.e. calls lots of ioctls and dumps the results to stdout.  It optionally accepts the device
       you want to query.  Default is /dev/video0.

       Was written to help debug drivers, probably not that useful for end users ...

AUTHOR
       Gerd Knorr <kraxel@bytesex.org>

								  (c) Gerd Knorr						       v4l-info(1)