def draw_ts(frame: VideoFrame) -> bool: font = cv2.FONT_HERSHEY_SIMPLEX msgs = frame.messages() for m in msgs: data = json.loads(m) if start_ts is not None: data["ts"] = int(start_ts) + int(data["timestamp"] / 1000000000) else: data["ts"] = int(time.time()) frame_ts = data["ts"] frame.remove_message(m) frame.add_message(json.dumps(data)) with frame.data() as mat: cv2.putText(mat, str(frame_ts), (20, 20), font, 1, (255, 255, 255), 2) return True
def process_frame(self, frame: VideoFrame) -> bool: try: logger.debug('Python Bridge.process_frame() method invoked!') for message in frame.messages(): frame.remove_message(message) msg_dict = { "name": self._edgex_device, "cmd": self._edgex_command, "method": "get", self._edgex_resource: message } msg_dict = json.dumps(msg_dict) frame.add_message(msg_dict) logger.debug('Done!') except Exception: print_message("Error processing frame: {}".format( traceback.print_exc())) return True
def process_frame(self, frame: VideoFrame) -> bool: msgs = frame.messages() for m in msgs: data = json.loads(m) if self.ts is not None: ts = int(ciso8601.parse_datetime(self.ts).timestamp()) data["ts"] = int(ts) + int(data["timestamp"] / 1000000000) else: data["ts"] = int(time.time()) self.fs = data["ts"] frame.remove_message(m) frame.add_message(json.dumps(data)) # print(data) with frame.data() as mat: cv2.putText(mat, str(self.fs), (20, 20), font, 0.5, (255, 255, 255), 2) return True
def frame_callback(self, frame: VideoFrame): for message in frame.messages(): m = json.loads(message) #if iot_hub_manager is not None: iot_hub_manager.send_message_to_upstream(json.dumps(message)) print(m)