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better frame handling for best images

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Blake Blackshear 2020-11-09 21:31:45 -06:00
parent 5d5984166f
commit 0ff682504a
1 changed files with 8 additions and 12 deletions
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20
frigate/object_processing.py
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@ -236,7 +236,7 @@ class CameraState():
self.config = config
self.camera_config = config.cameras[name]
self.frame_manager = frame_manager
self.best_objects = {}
self.best_objects: Dict[str, TrackedObject] = {}
self.object_status = defaultdict(lambda: 'OFF')
self.tracked_objects: Dict[str, TrackedObject] = {}
self.thumbnail_frames = {}
@ -339,18 +339,13 @@ class CameraState():
now = datetime.datetime.now().timestamp()
# if the object is a higher score than the current best score
# or the current object is older than desired, use the new object
if is_better_thumbnail(current_best['thumbnail'], obj.thumbnail, self.camera_config.frame_shape) or (now - current_best['frame_time']) > self.config.best_image_timeout:
obj_copy = copy.deepcopy(obj.obj_data)
obj_copy['thumbnail'] = copy.deepcopy(obj.thumbnail_data)
obj_copy['frame'] = np.copy(current_frame)
self.best_objects[object_type] = obj_copy
if (is_better_thumbnail(current_best.thumbnail_data, obj.thumbnail_data, self.camera_config.frame_shape)
or (now - current_best.thumbnail_data['frame_time']) > self.camera_config.best_image_timeout):
self.best_objects[object_type] = obj
for c in self.callbacks['snapshot']:
c(self.name, self.best_objects[object_type])
else:
obj_copy = copy.deepcopy(obj)
obj_copy['thumbnail'] = copy.deepcopy(obj.thumbnail_data)
obj_copy['frame'] = np.copy(current_frame)
self.best_objects[object_type] = obj_copy
self.best_objects[object_type] = obj
for c in self.callbacks['snapshot']:
c(self.name, self.best_objects[object_type])
@ -379,7 +374,8 @@ class CameraState():
# cleanup thumbnail frame cache
current_thumb_frames = set([obj.thumbnail_data['frame_time'] for obj in self.tracked_objects.values() if not obj.false_positive])
thumb_frames_to_delete = [t for t in self.thumbnail_frames.keys() if not t in current_thumb_frames]
current_best_frames = set(obj.thumbnail_data['frame_time'] for obj in self.best_objects.values())
thumb_frames_to_delete = [t for t in self.thumbnail_frames.keys() if not t in current_thumb_frames and not t in current_best_frames]
for t in thumb_frames_to_delete:
del self.thumbnail_frames[t]
@ -418,7 +414,7 @@ class TrackedObjectProcessor(threading.Thread):
self.event_queue.put(('end', camera, obj.to_dict()))
def snapshot(camera, obj: TrackedObject):
self.client.publish(f"{self.topic_prefix}/{camera}/{obj['label']}/snapshot", obj.snapshot_jpg, retain=True)
self.client.publish(f"{self.topic_prefix}/{camera}/{obj.obj_data['label']}/snapshot", obj.snapshot_jpg, retain=True)
def object_status(camera, object_name, status):
self.client.publish(f"{self.topic_prefix}/{camera}/{object_name}", status, retain=False)