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dc1394_vloopback(1) [debian man page]

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 determine 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 developers: <libdc1394-dev@lists.sourceforge.net>.

AUTHOR

       This manual page was originally written by Peter De Schrijver <p2@debian.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 General Public License, Version 3 or
       any later version published by the Free	Software  Foundation.

       On  Debian  systems (like Ubuntu), the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-3.

SEE ALSO

       dc1394_reset_bus(1)

dc1394_vloopback						   February 2008					       DC1394_VLOOPBACK(1)

Check Out this Related Man Page

scantv(1)                                                     General Commands Manual                                                    scantv(1)

NAME

       scantv - scan a v4l device for TV stations.

SYNOPSIS

       scantv [ options ]

DESCRIPTION

       scantv scans a v4l device for available TV stations and writes a xawtv/fbtv config file.

OPTIONS

       -i input
              set tv  input (Television/Composite1/S-video and so on).  Default is Television.

       -n norm
              set tv  norm.   scantv will ask interactively if none is given.

       -f table
              set frequency table.  scantv will ask interactively if none is given.

       -o outfile
              specify output file.  If none is specified, scantv writes to stdout.

       -c device
              specify video device file.  Default is /dev/video0.

       -D driver
              specify video driver name.  Default is "libv4l".

       -C device
              specify vbi device file.  Default is /dev/vbi0.

       -s     skip channel scan, just write norm + freqtab to the config file.

       -a     Do a full scan (i.e. all frequencies, not just the ones from the frequency table).

SEE ALSO

       xawtv(1), fbtv(1)

AUTHOR

       Gerd Knorr <kraxel@bytesex.org>

COPYRIGHT

       Copyright (C) 2000 Gerd Knorr <kraxel@bytesex.org>

       This  program  is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY  WARRANTY;  without  even  the  implied  warranty  of  MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You  should  have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

                                                                (c) 2000 Gerd Knorr                                                      scantv(1)
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