Autotracking optimizations (#7109)

* much improved motion estimation and tracking

* docs updates

* move ptz specific mp values to ptz_metrics dict

* only check if moving at frame time

* pass full dict instead of individual values

frigate/types.py

@@ -18,8 +18,6 @@ class CameraMetricsTypes(TypedDict):
     frame_queue: Queue
     motion_enabled: Synchronized
     improve_contrast_enabled: Synchronized
-    ptz_autotracker_enabled: Synchronized
-    ptz_stopped: Event
     motion_threshold: Synchronized
     motion_contour_area: Synchronized
     process: Optional[Process]
@@ -28,6 +26,13 @@ class CameraMetricsTypes(TypedDict):
     skipped_fps: Synchronized
 
 
+class PTZMetricsTypes(TypedDict):
+    ptz_autotracker_enabled: Synchronized
+    ptz_stopped: Event
+    ptz_start_time: Synchronized
+    ptz_stop_time: Synchronized
+
+
 class FeatureMetricsTypes(TypedDict):
     audio_enabled: Synchronized
     record_enabled: Synchronized