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Correctly ensure updates are more periodic when lpr or face detection is needed

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This commit is contained in:
Nicolas Mowen 2025-04-09 14:36:36 -06:00
parent 5d63c58f2c
commit 3565c43cf7
2 changed files with 35 additions and 17 deletions
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27
frigate/camera/state.py
View File

@ -53,17 +53,6 @@ class CameraState:
self.callbacks = defaultdict(list)
self.ptz_autotracker_thread = ptz_autotracker_thread
self.prev_enabled = self.camera_config.enabled
self.requires_face_detection = (
self.config.face_recognition.enabled
and "face" not in self.config.objects.all_objects
)
def get_max_update_frequency(self, obj: TrackedObject) -> int:
return (
1
if self.requires_face_detection and obj.obj_data["label"] == "person"
else 5
)
def get_current_frame(self, draw_options: dict[str, Any] = {}):
with self.current_frame_lock:
@ -298,14 +287,18 @@ class CameraState:
updated_obj.last_updated = frame_time
# if it has been more than max_update_frequency seconds since the last thumb update
# if it has been more than 5 seconds since the last thumb update
# and the last update is greater than the last publish or
# the object has changed significantly
# the object has changed significantly or
# we are due for an attribute update
if (
frame_time - updated_obj.last_published
> self.get_max_update_frequency(updated_obj)
and updated_obj.last_updated > updated_obj.last_published
) or significant_update:
(
frame_time - updated_obj.last_published > 5
and updated_obj.last_updated > updated_obj.last_published
)
or significant_update
or updated_obj.should_update_attribute()
):
# call event handlers
for c in self.callbacks["update"]:
c(self.name, updated_obj, frame_name)

25
frigate/track/tracked_object.py
View File

@ -1,5 +1,6 @@
"""Object attribute."""
import datetime
import logging
import math
import os
@ -71,6 +72,14 @@ class TrackedObject:
self.velocity_angle = 0
self.path_data = []
self.previous = self.to_dict()
self.requires_face_detection = (
self.camera_config.face_recognition.enabled
and "face" not in self.camera_config.objects.track
)
self.requires_lpr_detection = (
self.camera_config.lpr.enabled
and "license_plate" not in self.camera_config.objects.track
)
@property
def max_severity(self) -> Optional[str]:
@ -338,6 +347,22 @@ class TrackedObject:
self.current_zones = current_zones
return (thumb_update, significant_change, autotracker_update)
def should_update_attribute(self) -> bool:
"""Decides if attributes should be checked."""
if self.obj_data["label"] == "person" and not self.requires_face_detection:
return False
elif self.obj_data["label"] == "car" and not self.requires_lpr_detection:
return False
now = datetime.datetime.now().timestamp()
if now + 0.5 > self.last_published:
self.last_published = now
print(f"running manual attribute update")
return True
return False
def to_dict(self):
event = {
"id": self.obj_data["id"],