camera_client.py

# Modified from https://www.pyimagesearch.com/2019/04/15/live-video-streaming-over-network-with-opencv-and-imagezmq/
# import the necessary packages
from imutils.video import VideoStream
import imagezmq
import argparse
import socket
import time

# construct the argument parser and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-s", "--server-ip", required=True, help="ip address of the server to which the client will connect") 
args = ap.parse_args()

# initialize the ImageSender object with the socket address of the server
sender = imagezmq.ImageSender(connect_to="tcp://{}:5555".format(args.server_ip))
print("Connected by tcp://{}:5555".format(args.server_ip))

# get the host name, initialize the video stream, and allow the camera sensor to warmup
rpiName = socket.gethostname()
vs = VideoStream(resolution=(300, 300)).start()  # SSD input: 300x300

while True:
    # read the frame from the camera and send it to the server
    frame = vs.read()
    sender.send_image(rpiName, frame)