Art-Net / DMX device

It is possible to communicate through DMX with ossia score, in order to control and automate light fixtures.

The user library contains a built-in fixture library that can be added. The fixture library is based on Open Fixture Library and uses the same JSON format.

If no fixtures are added, then the device will instead provide the 512 raw DMX channels.

Otherwise, each fixture will appear as a node of the device.

Custom fixtures

It is possible to add your custom fixtures, following the OFL format in the user library. To do so:

• Create a fixtures folder somewhere.
• Inside it, add a manufacturers.json file with the fixture brands you want to add.

For instance:

{
  "$schema": "https://raw.githubusercontent.com/OpenLightingProject/open-fixture-library/master/schemas/manufacturers.json",
  "my_custom_fixtures": {
    "name": "My custom fixtures"
  }
}

• Create a subfolder my_custom_fixtures
• Add your fixtures JSON files to the folder.

Supported transports

ossia score can exchange DMX through:

ArtNet

Note that only one ArtNet device is supported per ethernet port: for instance, it is not possible to run QLC+ and ossia score on the same ArtNet interface at the same time as they both try to open the same port (UDP port 1936).

Note also that ArtNet generally requires to be on IP network 10.x.x.x with DHCP disabled!

s/ACN (also known as E1.31)

A much cleaner IP-based protocol than ArtNet. Use it if you can :-)

ENTTEC DMX USB Pro Mk1

This device only supports one universe and can only send DMX.

ENTTEC DMX USB Pro Mk2

This device supports two universes and can either send or receive DMX.