I had to access the web camera in-engine for one of my projects, so I though I would share it with the community!
I implemented it using directshow, so only windows support for now.
Hopefully it’s useful to someone
And if you would like to contribute, please do! It still needs multiplatform support, Easy BP support etc.
Some of my projects related to UE4:
GitHub - Temaran/EyeXforUE4: A plugin to enable Tobii EyeX functionality in Unreal Engine 4 (Forked from Tobii. It was moved there from my github :))