The queue size setting will drop frames if the encoding starts to lag
behind, which should prevent delay from being introduced on the
serving side.
Maybe.
By randomly copy & pasting options that are impenetrable to mere
mortals from NVIDIA's developer blog and a bunch of gists scattered
throughout the internet, Andi and I managed to "get this to work".
The idea is that the x11grab stream should be resized into 720p (which
is the maximum supported by Google Meet), but with hardware
acceleration.