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)