GNU/Linux script. Find if some process is activating the 1st webcam and then execute some actions and notifications.
USAGE Make eyefinder.sh executable $ chmod +x eyefinder.sh
Launch eyefinder.sh (if there are problems get the root access)
Eventually personalize action.sh script to add your own actions to perform if a process is found to use the webcam.
WARNING This sentinel only check the first webcam device /dev/video0 Adapt the script to your own necessity!
Cheeres! Giovanni Santostefano