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dov4l - Online in the Cloud

Run dov4l in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command dov4l that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

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 ','!

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