---
name: "kv4lsetup"
section: "1"
platform: "linux"
package: "libavifile-0.7-bin"
version: "1:0.7.48~20090503.ds-29"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/kv4lsetup"
---

# kv4lsetup(1)

setup grabbing card

## NAME

k4vlsetup - setup grabbing card

## SYNOPSIS

**k4vlsetup** \[options\]

## DESCRIPTION

**k4vlsetup**

kv4lsetup must either be called as root or run setuid root

if kv4lsetup doesn't run as root, it cannot set the address of the framebuffer correctly, so avicap will crash - it might even crash your computer

kv4lsetup will be started automatically by avicap

## OPTIONS

**-h --help** Show help message

- **-t=\<number\> --verbose=\<number\>**

  be verbose use 0 for no verbosity,\
       1 for normal and 2 for more verboseness

- **-l --device \<v4l-device\>**

  sets your v4l device (usually /dev/video)

- **[avicap(1)](/avicap/1.md)**

  ## SEE ALSO