autolights_sonoma.sh

#!/bin/bash

# Begin looking at the system log via the steam sub-command. Using a --predicate and filtering by the correct and pull out the camera event 

echo "Monitoring camera stream."
# ANE0: ANE_UserClientOpen_gated
#  ANE0 H11ANEIn::ANE_UserClientClosed_gated

#ANE0: ANE_PowerOn_gated:
#ANE0: ANE_PowerOff_gated:
log stream --predicate 'process == "kernel" && composedMessage contains "ANE_Power"' | while read line; do
  
  # The camera start event has been caught and is set to 'On', turn the light on
  if echo "$line" | grep -qE "ANE0: ANE_PowerOn_gated: clientname:zoom.us isPowered: 1"; then
	
	echo "Camera has been activated, turn on the light."
	echo "$line"
		
	# Light 1 - change IP to your first lights IP
	curl --location --request PUT 'http://10.10.0.72:9123/elgato/lights' --header 'Content-Type: application/json' --data-raw '{"lights":[{"brightness":35,"temperature":200,"on":1}],"numberOfLights":1}'

	#Light 2 (remove if you only have 1 light), change IP to your second light
	#curl --location --request PUT 'http://192.168.86.38:9123/elgato/lights' --header 'Content-Type: application/json' --data-raw '{"lights":[{"brightness":40,"temperature":162,"on":1}],"numberOfLights":1}'

  fi

  # If we catch a camera stop event, turn the light off.
  if echo "$line" | grep -qE "ANE0: ANE_PowerOff_gated: clientname:zoom.us"; then
	echo "Camera shut down, turn off the light."
	echo "$line"
	
	#Light 1 - set to off
	curl --location --request PUT 'http://10.10.0.72:9123/elgato/lights' --header 'Content-Type: application/json' --data-raw '{"lights":[{"brightness":35,"temperature":200,"on":0}],"numberOfLights":2}'

	#Light 2 - set to off
	#curl --location --request PUT 'http://192.168.86.38:9123/elgato/lights' --header 'Content-Type: application/json' --data-raw '{"lights":[{"brightness":40,"temperature":162,"on":0}],"numberOfLights":2}'

  fi
done