Alright, so I tried with the newest version of Unity today and it still has the same issue.
One thing I noticed is when I stream the camera live in MPC-HC, a big “LIVE” word starts blinking on the camera’s small screen. When I play the scene in Unity, the camera quickly flashes the “LIVE” words then it disappears, as if it connected to it for a second, then just disconnects due to the “connect pins” issue.