initial conversion to pydantic

frigate/motion.py

@@ -2,6 +2,7 @@ import cv2
 import imutils
 import numpy as np
 from frigate.config import MotionConfig
+from frigate.util import create_mask
 
 
 class MotionDetector:
@@ -18,7 +19,7 @@ class MotionDetector:
         self.motion_frame_count = 0
         self.frame_counter = 0
         resized_mask = cv2.resize(
-            config.mask,
+            create_mask(frame_shape, config.mask),
             dsize=(self.motion_frame_size[1], self.motion_frame_size[0]),
             interpolation=cv2.INTER_LINEAR,
         )