Scroll to navigation

DC1394_VLOOPBACK(1) User Commands DC1394_VLOOPBACK(1)


dc1394_vloopback - send format0 video to V4L vloopback device


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


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


run as a daemon, detached from console (optional).
write images to vloopback device instead of using zero-copy mmap mode (optional).
select camera to use (optional). default is first camera on any port.
specifies video1394 device to use (optional). default is /dev/video1394/<port#>.
specifies video4linux device to use (optional). default is to determine this automatically.
specify the video palette to use (optional). yuv422 (default) or rgb24.
set the initial width (default=640)
set the initial height (default=480)
print help message


This program is maintained by the DC1394 Package Mainteners' team <>.

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

For bugs related to library implementation, please submit to libdc1394 developers: <>.


This manual page was originally written by Peter De Schrijver <> for the Debian GNU/Linux system (but may be used by others).


This manual page is maintained by the DC1394 Package Mainteners' team. The team members and other information can be found online at:

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 General Public License can be found in /usr/share/common-licenses/LGPL-2.



February 2008 dc1394_vloopback