Use zmq for inter process communication (#9309)

* Use zmq for inter process communication

* Use localhost for reply and request

* Use pyobj instead of json and Need to use separate requestors for each audio listener

* Cleanup port defining

frigate/const.py

@@ -57,6 +57,10 @@ DRIVER_AMD = "radeonsi"
 DRIVER_INTEL_i965 = "i965"
 DRIVER_INTEL_iHD = "iHD"
 
+# Ports
+
+PORT_INTER_PROCESS_COMM = 4892
+
 # Record Values
 
 CACHE_SEGMENT_FORMAT = "%Y%m%d%H%M%S%z"