---
name: "dov4l"
section: "1"
platform: "linux"
package: "dov4l"
version: "0.9+repack-1+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/dov4l"
---

# dov4l(1)

set parameters on a video4linux device

## NAME

dov4l - set parameters on a video4linux device

## SYNOPSIS

**dov4l \[***options***\]**

options: **\[-d device\] \[-f frequency\] \[-t tuner\] \[-i inputchannel\] \[-m mode\]**

## DESCRIPTION

The program **dov4l** lets you set parameters on a video4linux-device.

## OPTIONS

- **-q**

  Query capabilities and settings of your video4linux device.

- **-h**

  Usage

- **-d device**

  Select device. Default is /dev/video0

- **-f frequency**

  Set frequency (in Hz!).

- **-t tuner**

  Select tuner. Most of the time the default (0) suffices.

- **-i inputchannel**

  Select inputchannel. TV cards, for example, sometimes have a tuner and a composite video input-channel. With this parameter you can select one. To get a list of input channels, run dov4l with the -q parameter.

- **-m mode**

  Select a mode. Mode can be: PAL, NTSC, SECAM or AUTO.

- **-b brightness**

  Set brightness.

- **-u hue**

  Set hue.

- **-c color**

  Set color.

- **-n contrast**

  Set contrast.

- **-w whiteness**

  Set whiteness.

- **-p palette**

  Set palette.

- **-s width,height**

  Set the width/height of the image, separated with a ','. Warning: no spaces around the ','!

## SEE ALSO

**http://www.vanheusden.com/dov4l/**

## NOTES

This page describes **dov4l** as found in the dov4l-0.5 package; other versions may differ slightly. Mail corrections, bugs and additions to folkert@vanheusden.com