---
name: "dc1394_vloopback"
section: "1"
platform: "linux"
package: "libdc1394"
version: "2.2.7-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/dc1394_vloopback"
---

# dc1394\_vloopback(1)

send format0 video to V4L vloopback device

## 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 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.

## SEE ALSO

[**dc1394\_reset\_bus**(1)](/dc1394_reset_bus/1.md)