read live video from usb opencv python
import cv2
cap = cv2.VideoCapture()
# The device number might be 0 or 1 depending on the device and the webcam
cap.open(0, cv2.CAP_DSHOW)
while(True):
ret, frame = cap.read()
cv2.imshow('frame', frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
cv2.destroyAllWindows()sending live video using python opencv
# This code is for the server
# Lets import the libraries
import socket, cv2, pickle, struct, imutils
# Socket Create
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host_name = socket.gethostname()
host_ip = socket.gethostbyname(host_name)
print('HOST IP:', host_ip)
port = 9999
socket_address = (host_ip, port)
# Socket Bind
server_socket.bind(socket_address)
# Socket Listen
server_socket.listen(5)
print("LISTENING AT:", socket_address)
# Socket Accept
while True:
client_socket, addr = server_socket.accept()
print('GOT CONNECTION FROM:', addr)
if client_socket:
vid = cv2.VideoCapture(0)
while (vid.isOpened()):
img, frame = vid.read()
frame = imutils.resize(frame, width=320)
a = pickle.dumps(frame) #serialize frame to bytes
message = struct.pack("Q", len(a)) + a # pack the serialized data
# print(message)
try:
client_socket.sendall(message) #send message or data frames to client
except Exception as e:
print(e)
raise Exception(e)
cv2.imshow('TRANSMITTING VIDEO', frame) # will show video frame on server side.
key = cv2.waitKey(1) & 0xFF
if key == ord('q'):Copyright © 2021 Codeinu
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