GDTF: The General Device Type Format is an open standard for describing devices of the entertainment industry. These devices may be lighting fixtures, trusses, distribution boxes, media servers, lasers or other devices used in the entertainment industry. This documentation describes DIN SPEC 15800:2022-02 also known as GDTF Version 1.2.

MVR: The My Virtual Rig file format is an open standard which allows programs to share data and geometry of a scene for the entertainment industry. A scene is a set of parametric objects such as fixtures, trusses, video screens, and other objects that are used in the entertainment industry. This documentation describes DIN SPEC 15801:2023-12 also known as MVR Version 1.6.

An independent GDTF and MVR resource. This site is not affiliated with .

Latest news

GDTF Share Report for February 2024

GDTF Share report for the month of February 2024

Posted March 1, 2024  ‐ 1 min read  ‐ Categories: GDTF, GDTF Share

More Then 3000 Unique Devices Available in the GDTF Share

We have informed you in November about the total number of GDTF files in the GDTF Share surpassing 3000. Today, we are happy to share that another milestone has been reached and the GDTF Share now contains more then 3000 unique devices. For anyone interested, we keep publishing information about past seven days updates to the GDTF Share in our New section. With every uploaded device file, there are more happy customers being able to control their devices and more involved manufacturers, who have the updating and publishing process in their hands. Go GDTF! #gogdtf

Posted February 26, 2024  ‐ Categories: GDTF, GDTF Share

Exploring MVR-xchange Protocol with Wireshark

The MVR communication format - MVR-xchange - allows the exchange of MVR files over network without the need of an external transport device like a USB-stick. When implementing and troubleshooting the protocol, it is useful to have an MVR-xchange dissector for Wireshark, to filter and visualize the network traffic.

Posted February 25, 2024  ‐ 1 min read  ‐ Categories: MVR

More news…

Describing devices of the entertainment industry

DMX Modes

Fixtures can have many modes which change its available capabilities. These are all specified in a single file.

Channel Mappings

Channel mappings available in the fixture are associated with which values produce which responses.

Color & Gobo wheels

Bundled image files provide gobo patterns and color mappings define virtual or physical color wheels.

Fixture Geometry

Bundeled glTF, glb or 3DS files specify the specific geometry of lighting fixtures. Fixture functions are tied to these models.

Color Information

sRGB, ANSI standard, and ProPhoto values can be used to specify the calibrated color space of the light.

Physical properties

Power consumption, weight, operating temperature, and more specify the physical properties of a fixture.

Describing the entertainment scene

Scene description

Scenes are organized into groups, layers and child lists of objects with custom classing, positions, rotations, geometries, addresses and connections.

GDTF Fixture

Using the GDTF Specification, detailed description of lighting fixtures, trusses, distribution boxes, lasers and other devices is possible.

Symbol reuse

Objects can be defined as symbols and inserted into the scene multiple times with instance specific properties.

MVR xchange

MVR-xchange - allows multiple clients within the same network to share MVR files.