This topic was touched on by Elso in '14 here
But he sort-of answered his own question without expanding on the cause and best fix for keeping the right camera on the right Video Device In TOP.
To restate the issue, I have two identical webcams on two VideoDeviceIn TOPs, and sometimes after a reboot, the TOPs swap cameras. This creates a problem for interactive installations.
Questions are, why does this happen?, and what’s the best way to prevent it?
Thanks in advance,