You may notice that your self view is being letterboxed on your call, i.e. it doesn't take up the full height of the rectangle and grey bars appear above and below your video. Google Meet seems to treat your self view differently from the other meeting participants' videos. Fortunately, this is something that only you see. Everyone else on the call will see you without the letterbox effect. You can always double check how you look using the Boom Mirror by clicking on Boom's menu bar icon at the top of your screen.