Dynamic Config Updates (#18353)

* Create classes to handle publishing and subscribing config updates

* Cleanup

* Use config updater

* Update handling for enabled config

* Cleanup

* Recording config updates

* Birdseye config updates

* Handle notifications

* handle review

* Update motion

frigate/output/preview.py

@@ -13,7 +13,6 @@ from typing import Any
 import cv2
 import numpy as np
 
-from frigate.comms.config_updater import ConfigSubscriber
 from frigate.comms.inter_process import InterProcessRequestor
 from frigate.config import CameraConfig, RecordQualityEnum
 from frigate.const import CACHE_DIR, CLIPS_DIR, INSERT_PREVIEW, PREVIEW_FRAME_TYPE
@@ -174,9 +173,6 @@ class PreviewRecorder:
 
         # create communication for finished previews
         self.requestor = InterProcessRequestor()
-        self.config_subscriber = ConfigSubscriber(
-            f"config/record/{self.config.name}", True
-        )
 
         y, u1, u2, v1, v2 = get_yuv_crop(
             self.config.frame_shape_yuv,
@@ -323,12 +319,6 @@ class PreviewRecorder:
     ) -> None:
         self.offline = False
 
-        # check for updated record config
-        _, updated_record_config = self.config_subscriber.check_for_update()
-
-        if updated_record_config:
-            self.config.record = updated_record_config
-
         # always write the first frame
         if self.start_time == 0:
             self.start_time = frame_time