MQTT discovery of motion-ai

[dcmartin]

Add MQTT discovery capabilities for the topics generated by motion-ai.

AI service events

The AI services announce their service when launched as a retained message; service may be yolo4motion, alpr4motion, et. al. The id component is the machine identifier; will become the accessible address.

• service/<service>/<id>

Add-on events

The Motion Classic add-on produces a retained message on launch of the following form:

• <group>/<device>/start

Camera events

Events are produced by motion-ai based on output from the various AI's, for example yolo4motion annotations are processed and messages are produced on the following base topic:

• <group>/<device>/<camera>/<event>

Where event may be one of:

• annotated
• detected
• detected_entity
• detected_person - unimplemented
• detected_vehicle - unimplemented
• detected_animal - unimplemented

Component types supported by MQTT discovery in HA include the following:

• binary_sensor
• camera
• sensor

Other components in HA may be applicable.