Hi, I have a few LS422, so I can't test it myself. However according to documentation I read I could in theory do following using XD1132 or 4K1142.
One brightsign player with two zones, one on the top of another. Zone 1 with interactive playlist (operated by buttons or just be time delay), it would contain PNG images with alpha. Zone 2 (under zone 1) with live view from camera that is connected to brightsign unit.
This would be sort of a virtual mirror. Would it work? Does anyone have any camera recommendation?