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added deduping for snapshots

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This commit is contained in:
alan 2019-12-24 15:57:10 -08:00
parent 49ee0e0ee2
commit 3eec67a555
2 changed files with 10 additions and 3 deletions
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10
frigate/mqtt.py
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@ -3,7 +3,7 @@ import cv2
import threading
class MqttObjectPublisher(threading.Thread):
def __init__(self, client, topic_prefix, objects_parsed, detected_objects, best_person_frame, label):
def __init__(self, client, topic_prefix, objects_parsed, detected_objects, best_person_frame, label, dedupe_snapshot_publish):
threading.Thread.__init__(self)
self.client = client
self.topic_prefix = topic_prefix
@ -11,9 +11,11 @@ class MqttObjectPublisher(threading.Thread):
self._detected_objects = detected_objects
self.best_person_frame = best_person_frame
self.label = label
self.dedupe_snapshot_publish = dedupe_snapshot_publish
def run(self):
last_sent_payload = ""
last_sent_snapshot_time = 0
while True:
# initialize the payload
@ -35,7 +37,11 @@ class MqttObjectPublisher(threading.Thread):
last_sent_payload = new_payload
self.client.publish(self.topic_prefix+'/objects', new_payload, retain=False)
# send the snapshot over mqtt as well
if not self.best_person_frame.best_frame is None:
if not self.best_person_frame.best_frame is None and not self.best_person_frame.best_person is None:
snapshot_time = self.best_person_frame.best_person['frame_time']
if self.dedupe_snapshot_publish and snapshot_time == last_sent_snapshot_time:
continue
last_sent_snapshot_time = snapshot_time
ret, jpg = cv2.imencode('.jpg', self.best_person_frame.best_frame)
if ret:
jpg_bytes = jpg.tobytes()

3
frigate/video.py
View File

@ -131,6 +131,7 @@ class Camera:
self.mqtt_client = mqtt_client
self.mqtt_topic_prefix = '{}/{}'.format(mqtt_prefix, self.name)
self.label = config.get('label', 'person')
self.dedupe_snapshot_publish = config.get('dedupe_snapshot_publish', True)
# create a numpy array for the current frame in initialize to zeros
self.current_frame = np.zeros(self.frame_shape, np.uint8)
@ -179,7 +180,7 @@ class Camera:
self.object_cleaner.start()
# start a thread to publish object scores (currently only person)
mqtt_publisher = MqttObjectPublisher(self.mqtt_client, self.mqtt_topic_prefix, self.objects_parsed, self.detected_objects, self.best_person_frame, self.label)
mqtt_publisher = MqttObjectPublisher(self.mqtt_client, self.mqtt_topic_prefix, self.objects_parsed, self.detected_objects, self.best_person_frame, self.label, self.dedupe_snapshot_publish)
mqtt_publisher.start()
# create a watchdog thread for capture process