fix: frame msg created with bad id and timestamp

camera/depthai.py

@@ -1,8 +1,8 @@
+import datetime
 import logging
 import paho.mqtt.client as mqtt
 
 import events.events_pb2
-from google.protobuf.timestamp_pb2 import Timestamp
 
 import depthai as dai
 import cv2
@@ -63,11 +63,11 @@ class FramePublisher:
                     is_success, im_buf_arr = cv2.imencode(".jpg", im_resize)
                     byte_im = im_buf_arr.tobytes()
 
-                    timestamp = Timestamp()
+                    now = datetime.datetime.now()
                     frame_msg = events.events_pb2.FrameMessage()
                     frame_msg.id.name = "robocar-oak-camera-oak"
-                    frame_msg.id.id = str(timestamp.ToMilliseconds())
-                    frame_msg.id.created_at.FromMilliseconds(timestamp.ToMilliseconds())
+                    frame_msg.id.id = str(int(now.timestamp() * 1000))
+                    frame_msg.id.created_at.FromDatetime(now)
                     frame_msg.frame = byte_im
 
                     logger.debug("publish frame event to %s", self._frame_topic)