Note: Blackmagic Design's ATEM Mini Pro defaults to a video standard of 1080p24fps. Whether streaming from the Mini Pro via RTMP, or simply connecting to a BoxCaster, BoxCast does not accept frame rates of 24fps or lower. To change the Mini Pro's video standard to work with BoxCast, click here.

The ATEM Mini Pro is a switcher, yes - but it may also act as a live streaming encoder for pushing RTMP! This article will cover all steps needed to stream from your ATEM Mini Pro to BoxCast via RTMP, whether using a Mac or PC.

An XML file is required for this process. Download the XML file here that already has BoxCast included as a valid platform choice. You will need this specific file in the following steps below.

Step 1

For Mac users, open Finder and go to the menu, followed by choosing Go -> Go To Folder, and finally entering the following:

/Library/Application Support/Blackmagic Design/Switchers

For PC users, the file path is

C:\Program Files (x86)\Blackmagic Design\Blackmagic ATEM Switchers\ATEM Software Control


Step 2
In the folders from the previous step, you will find a file named "Streaming.xml." Rename this file to something like "StreamingOriginal.xml", to simply keep as a backup in case you ever need to revert back to using this original file.

Step 3
Now that the original has been renamed, drag and drop (or cut and paste) the XML file you downloaded from up above (this one) and place in the same folder, ensuring it is named "Streaming.xml". The ATEM Mini Pro will only read a file named "Streaming.xml".

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Step 4

Restart or open the ATEM Software Control, and "BoxCast" is now an option under Platform.

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Step 5
From your BoxCast Dashboard, identify the RTMP source you wish to use and copy its stream key, followed by pasting into the "Key" field of the ATEM Software Control.

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Step 6
Click the "ON AIR" button to begin streaming to BoxCast. While the ATEM is streaming (sending data) and should appear in your BoxCast Dashboard as connected, a broadcast must be scheduled in BoxCast in order to actually live stream.

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