Comment by VTimofeenko

Not exactly home gamer stuff, but there are devices like the Axis cameras which can push to a configured mqtt.

Generally ONVIF is the protocol one should be looking for in a camera, it indicates that the edge device can play ball with a central server (Frigate, Blue Iris, etc). Profile M specifies the metadata into external mqtt:

https://www.onvif.org/profiles/profile-m/