Hi, I'm using NatCorder to record AR experience.
They way I do it is like this
(hiddenCamera is the BackgroundCamera)
I have a problem with Androids devices where I need to calculate custom resolution for recording to prevent the resolution to go above full HD).
The resulting video has misplaced AR contents.
Here's an example clip
The below picture was the correct screen show from the app.
For anyone having the same issue, this problem will be fixed according to Wikitude support in the Unity SDK 9.3 (PE)
Feel free to try out your NatCorder functionality with the newest Unity plugin!