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DC1394_VLOOPBACK(1)		  User Commands 	     DC1394_VLOOPBACK(1)

NAME
     dc1394_vloopback - send format0 video to V4L vloopback device

SYNOPSIS
     dc1394_vloopback	    [--daemon]	     [--pipe]	    [--guid=camera-euid]
     [--video1394=/dev/video1394/x]		       [--vloopback=/dev/video0]
     [--palette=yuv422|rgb24] [--width=n] [--height=n]

DESCRIPTION
     Sends  format0  640x480 RGB to the vloopback input device so that it can be
     consumed by V4L applications on the vloopback output device.

OPTIONS
     --daemon
	    run as a daemon, detached from console (optional).

     --pipe
	    write images to vloopback device instead  of  using  zero-copy  mmap
	    mode (optional).

     --guid
	    select  camera  to	use  (optional).  default is first camera on any
	    port.

     --video1394
	    specifies  video1394  device   to	use   (optional).   default   is
	    /dev/video1394/<port#>.

     --vloopback
	    specifies video4linux device to use (optional). default is to deter-
	    mine this automatically.

     --palette
	    specify  the  video  palette  to use (optional). yuv422 (default) or
	    rgb24.

     --width
	    set the initial width (default=640)

     --height
	    set the initial height (default=480)

     --help
	    print help message

BUGS
     This  program  is	maintained  by	the  DC1394  Package  Mainteners'   team
     <libdc1394-packaging@lists.sourceforge.net>.

     The bugs related to libdc1394 and current packaging can be submitted here:

     http://bugs.launchpad.net/~libdc1394-dev/

     For  bugs related to library implementation, please submit to libdc1394 de-
     velopers: <libdc1394-dev@lists.sourceforge.net>.

AUTHOR
     This manual page was originally  written  by  Peter  De  Schrijver  <p2@de-
     bian.org> for the Debian GNU/Linux system (but may be used by others).

COPYRIGHT
     This   manual   page  is maintained by the DC1394 Package Mainteners' team.
     The  team	members  and  other  information  can  be   found   online   at:
     http://launchpad.net/~libdc1394-dev

     Permission  is  granted  to  copy, distribute and/or modify  this	document
     under the terms of the GNU Lesser General Public License, Version 2 or  any
     later version published by the Free  Software  Foundation.

     On  Debian  systems (like Ubuntu), the complete text of the GNU Lesser Gen-
     eral Public License can be found in /usr/share/common-licenses/LGPL-2.

SEE ALSO
     dc1394_reset_bus(1)

dc1394_vloopback		  February 2008 	     DC1394_VLOOPBACK(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=dc1394_vloopback&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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