---
name: "avg_chromakey"
section: "1"
platform: "linux"
package: "python-libavg"
version: "1.8.2-3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/avg_chromakey"
---

# avg\_chromakey(1)

test application for libavg chromakey filter

## NAME

avg\_chromakey - test application for libavg chromakey filter

## SYNOPSIS

**avg\_chromakey** *-t DRIVER \[OPTION\]...*

## DESCRIPTION

Stream a live image from a camera and apply a chromakey filter.

## OPTIONS

- **-h**, **--help**

  Show a brief description of the options.

- **-t**, **--driver** DRIVER

  One of the camera subsystems supported by libavg (supported: firewire, video4linux, directshow).

- **-d**, **--device** DEVICE

  Camera device identifier (depending on the driver, a GUID or device path is expected).

- **-u**, **--unit** UNIT

  Unit number. Used for cameras or other capture devices which deliver several images (e.g. stereo cameras or TV capture cards).

- **-w**, **--width** WIDTH

  Camera image width.

- **-e**, **--height** HEIGHT

  Camera image height.

- **-p**, **--pixelformat** PIXELFORMAT

  Camera pixel format (one of: I8, I16, YUV411, YUV422, YUYV422, RGB, BGR, BAYER8).

- **-f**, **--framerate** FRAMERATE

  Frames per second.

- **-8**, **--fw800**

  Set firewire bus speed to s800 (if supported).

## AUTHOR

Ulrich von Zadow \<coder@c-base.org\>