FoodCloud/Robot/video_recv.py

import socket
import sys
import cv2
import pickle
import numpy as np
import struct ## new
import zlib

HOST=''
PORT=8486

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
print('Socket created')

s.bind((HOST,PORT))
print('Socket bind complete')
s.listen(10)
print('Socket now listening')

conn,addr=s.accept()

data = b""
payload_size = struct.calcsize(">L")
print("payload_size: {}".format(payload_size))
while True:
	while len(data) < payload_size:
		print("Recv: {}".format(len(data)))
		data += conn.recv(4096)

	print("Done Recv: {}".format(len(data)))
	packed_msg_size = data[:payload_size]
	data = data[payload_size:]
	msg_size = struct.unpack(">L", packed_msg_size)[0]
	print("msg_size: {}".format(msg_size))
	while len(data) < msg_size:
		data += conn.recv(4096)
	frame_data = data[:msg_size]
	data = data[msg_size:]

	frame=pickle.loads(frame_data)
	frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
	cv2.imshow('ImageWindow',frame)
	if cv2.waitKey(1) & 0xFF == ord('q'):
		break