Don't run forever in autotracking (blakeblackshear#8579)

frigate/ptz/autotrack.py

@@ -150,7 +150,9 @@ def __init__(
  ) -> None:
  threading.Thread.__init__(self)
  self.name = "ptz_autotracker"
- self.ptz_autotracker = PtzAutoTracker(config, onvif, ptz_metrics, dispatcher)
+ self.ptz_autotracker = PtzAutoTracker(
+ config, onvif, ptz_metrics, dispatcher, stop_event
+ )
  self.stop_event = stop_event
  self.config = config
 
@@ -178,11 +180,13 @@ def __init__(
  onvif: OnvifController,
  ptz_metrics: PTZMetricsTypes,
  dispatcher: Dispatcher,
+ stop_event: MpEvent,
  ) -> None:
  self.config = config
  self.onvif = onvif
  self.ptz_metrics = ptz_metrics
  self.dispatcher = dispatcher
+ self.stop_event = stop_event
  self.tracked_object: dict[str, object] = {}
  self.tracked_object_history: dict[str, object] = {}
  self.tracked_object_metrics: dict[str, object] = {}
@@ -581,7 +585,7 @@ def _process_move_queue(self, camera):
  camera_config.frame_shape[1]
  camera_config.frame_shape[0]
 
- while True:
+ while not self.stop_event.is_set():
  move_data = self.move_queues[camera].get()
 
  with self.move_queue_locks[camera]: