import paho.mqtt.client as mqtt
import time
import cv2
import numpy
import json

MQTT_SERVER = "iot.eclipse.org"
MQTT_PATH = "test_channel"

mqttc = mqtt.Client()
mqttc.connect(MQTT_SERVER, 1883, 60)

cap = cv2.VideoCapture(0)

while True:
    ret, frame = cap.read()
    frame_list = frame.tolist()
    frame_json = json.dumps(frame_list)
    MQTT_MESSAGE = frame_json
    mqttc.publish(MQTT_PATH, MQTT_MESSAGE)
    time.sleep(1)

import paho.mqtt.client as mqtt
import numpy as np
import json
import PIL

MQTT_SERVER = "iot.eclipse.org"
MQTT_PATH = "test_channel"

def on_connect(client, userdata, flags, rc):
    print("connected with result code " + str(rc))
    client.subscribe(MQTT_PATH)

def on_message(client, userdata, msg):
    data = json.loads(msg.payload)
    array = np.array(data)
    img = PIL.Image.fromarray(array)
    cv2.imshow('image', img)
    cv2.waitKey()

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.connect(MQTT_SERVER, 1883, 60)

client.loop_forever()