Controlling alpha transparency possible?

BeerBelliedBear

New member
Good day folks,

I'm struggling to set up a UE scene that properly passes an alpha channel over the NDI broadcast. I have enabled alpha channel within the plugin source code for the broadcaster in my app, but I can't figure out how to control it. My output appears about 50% transparent over the entire scene when viewed in the Studio Monitor. My goal is to be able to only render specific actors over a transparent background (I assume, using a post process material.)

Does anyone have advice on the subject? I would greatly appreciate any.
 

steph-crabtree

New member
Outputting alpha channel using the NDI UE 4.26 plugin is not currently supported. However, all the source code is shipped with the Unreal Engine plugin, so you could modify it to support alpha channel output (which is allowed by the NDI EULA).
 
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