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FreiOr, minimalistic plugin API for video effects, plugins collection

Frei0r is a minimalistic plugin API for video sources and filters. The behavior of the effects can be controlled from the host by simple parameters.

The intent is to solve the recurring reimplementation or adaptation issue of standard effects. It is not meant as a generic API for all kinds of video applications.

Frei0r plugins are used by several projects (e.g.: LiVES, Veejay, Open Movie Editor, FreeJ, Pure Data Visual Junk Tools, MLT framework).

There is no support for the requirements of special application areas like non linear editors, hardware accelerated shader effects, and high precision video processing. These advanced issues are not even solved satisfactory for non cross application plugin apis and are still an evolving field.

The frei0r API is not meant to be a competing standard to more ambitious efforts.

This package contains a collection of plugins.


Here is the main collection of frei0r plugins from several developers: http://git.dyne.org/index.cgi?url=frei0r/log/.

You can fetch the repository using git:
git clone git://code.dyne.org/frei0r.git

A daily snapshot of the repository is generated here :

Also check FreshMeat.net for updates and info on the latest releases.

Also check the frei0r Bug Tracker to search for or report bugs.


Binary packages for Ubuntu are now kindly provided by the Akirad repository.

Here's how to install the plugins on Ubuntu Hardy:

sudo wget http://akirad.cinelerra.org/dists/hardy.list -O /etc/apt/sources.list.d/akirad.list
wget -q http://akirad.cinelerra.org/dists/akirad.key -O- | sudo apt-key add - && sudo apt-get update
sudo apt-get install frei0r-plugins


The following video applications support loading frei0r effects.


Drone is an open source software for digital and interactive arts. It allows design of realtime signal processing machines for video and audio through a generic data flow interface.


GePhex is an interactive effect system for video jockeys. The effects can be controlled with external devices like joysticks, web-cams, or midi-devices. New effects can be designed in a GUI by composing basic effects into more complex ones.


MøB is an environment for installations and realtime multimedia manipulation in GNU/Linux-based networks.


LiVES is a Video Editing System. LiVES is aimed at the digital video artist who wants to create their own content, the video editor who wants to produce professional looking video, and the VJ who wants to captivate with spectacular images.


Veejay is a visual instrument and realtime video sampler It allows you to "play" the video like you would play a piano. While playing, you can record the resulting video directly to disk (video sampling).

Open Movie Editor

Open Movie Editor is designed to be a simple tool, that provides basic movie making capabilities. It aims to be powerful enough for the amateur movie artist, yet easy to use.


FreeJ is a vision mixer: an instrument for realtime video manipulation used in the fields of dance teather, veejaying, medical visualisation and TV.


The pdvjtools is a bunch of externals meant to be helpful for the visual work in puredata (PD).


DVEdit leverages the power of Python to enable rapid production of video media via Python script files.


MLT is an open source multimedia framework, designed and developed for television broadcasting. It provides a toolkit for broadcasters, video editors, media players, transcoders, web streamers and many more types of applications. The functionality of the system is provided via an assortment of ready to use tools, xml authoring components, and an extendible plug-in based API.


Kdenlive is a free open-source video editor for GNU/Linux and FreeBSD, which supports DV, AVCHD (experimental support) and HDV editing. Kdenlive relies on several other open source projects, such as FFmpeg and MLT video framework. Our software was designed to answer all needs, from basic video editing to semi-professionnal work.

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About Hugo Repetto

Ubuntu is a Linux distribution that offers an operating system predominantly focused on desktop computers but also provides support for servers. Based on Debian GNU / Linux, Ubuntu focuses on ease of use, freedom in usage restriction, regular releases (every 6 months) and ease of installation.
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