Stream Deck
===========

We're using an `Elgato Stream Deck <https://www.elgato.com/en/stream-deck>`_ to control the :ref:`ATEM Mini`, such as:

- Media selection
- The downstream keyer (e.g. logo or speaker overlays)
- The upstream keyer (i.e. picture in picture displays)

Companion & Raspberry Pi
------------------------

To control the :ref:`ATEM Mini`, we're running Bitfocus `Companion <https://bitfocus.io/companion>`_ on a `Raspberry Pi <https://www.raspberrypi.com/>`_.

The *Stream Deck* communicates via ``USB`` with the `Companion` on `Raspberry Pi`_, which will then communicate via ``TCP`` with the :ref:`ATEM Mini`:

.. uml::

    @startuml

    node "Stream Deck" as StreamDeck
    node "Raspberry Pi\nCompanion" as RPi
    node "ATEM Mini" as Atem

    StreamDeck - RPi :USB
    RPi - Atem :TCP
    @enduml