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check to see if we have a frame before trying to send

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Blake Blackshear 2019-12-20 20:02:27 -06:00
parent d90e408d50
commit ab3e70b4db
1 changed files with 2 additions and 2 deletions
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4
frigate/mqtt.py
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@ -33,8 +33,8 @@ class MqttObjectPublisher(threading.Thread):
if new_status != current_object_status[obj_name]: if new_status != current_object_status[obj_name]:
current_object_status[obj_name] = new_status current_object_status[obj_name] = new_status
self.client.publish(self.topic_prefix+'/'+obj_name, new_status, retain=False) self.client.publish(self.topic_prefix+'/'+obj_name, new_status, retain=False)
# send the snapshot over mqtt as well # send the snapshot over mqtt if we have it as well
if not self.best_frames.best_frames[obj_name] is None: if obj_name in self.best_frames.best_frames:
ret, jpg = cv2.imencode('.jpg', self.best_frames.best_frames[obj_name]) ret, jpg = cv2.imencode('.jpg', self.best_frames.best_frames[obj_name])
if ret: if ret:
jpg_bytes = jpg.tobytes() jpg_bytes = jpg.tobytes()