pull from memory if event in progress

This commit is contained in:
Blake Blackshear
2020-11-25 10:37:41 -06:00
parent f4117ad096
commit 60207723d1
4 changed files with 34 additions and 9 deletions

View File

@@ -279,6 +279,9 @@ class CameraState():
return frame_copy
def finished(self, obj_id):
del self.tracked_objects[obj_id]
def on(self, event_type: str, callback: Callable[[Dict], None]):
self.callbacks[event_type].append(callback)
@@ -317,10 +320,10 @@ class CameraState():
for id in removed_ids:
# publish events to mqtt
removed_obj = self.tracked_objects[id]
removed_obj.obj_data['end_time'] = frame_time
for c in self.callbacks['end']:
c(self.name, removed_obj)
del self.tracked_objects[id]
if not 'end_time' in removed_obj.obj_data:
removed_obj.obj_data['end_time'] = frame_time
for c in self.callbacks['end']:
c(self.name, removed_obj)
# TODO: can i switch to looking this up and only changing when an event ends?
# maybe make an api endpoint that pulls the thumbnail from the file system?
@@ -382,7 +385,7 @@ class CameraState():
self.previous_frame_id = frame_id
class TrackedObjectProcessor(threading.Thread):
def __init__(self, config: FrigateConfig, client, topic_prefix, tracked_objects_queue, event_queue, stop_event):
def __init__(self, config: FrigateConfig, client, topic_prefix, tracked_objects_queue, event_queue, event_processed_queue, stop_event):
threading.Thread.__init__(self)
self.name = "detected_frames_processor"
self.config = config
@@ -390,6 +393,7 @@ class TrackedObjectProcessor(threading.Thread):
self.topic_prefix = topic_prefix
self.tracked_objects_queue = tracked_objects_queue
self.event_queue = event_queue
self.event_processed_queue = event_processed_queue
self.stop_event = stop_event
self.camera_states: Dict[str, CameraState] = {}
self.frame_manager = SharedMemoryFrameManager()
@@ -480,3 +484,8 @@ class TrackedObjectProcessor(threading.Thread):
self.client.publish(f"{self.topic_prefix}/{zone}/{label}", 'ON', retain=False)
elif previous_state == True and new_state == False:
self.client.publish(f"{self.topic_prefix}/{zone}/{label}", 'OFF', retain=False)
# cleanup event finished queue
while not self.event_processed_queue.empty():
event_id, camera = self.event_processed_queue.get()
self.camera_states[camera].finished(event_id)