Mock AR Foundation is a simple mocking system for AR foundation. It simulates the AR camera in Editor.
Add the following git URL from Unity package manager:
https://github.com/asus4/mock-arfoundation.git?path=Packages/MockARFoundation#0.4.1
Mock AR Foundation
in the PC tabMock AR Foundation
In the setting: you can select an input source for the AR camera. Currently, a video file or a webcam live input are supported.