Opencv_code/opencv_get_photo.py

import numpy as np
import cv2
import time

cap = cv2.VideoCapture('http://192.168.50.177:81/stream')

while(True):
    # Capture frame-by-frame
    ret, frame = cap.read()

    # Our operations on the frame come here
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2BGRA)
    frame = cv2.resize(frame, (1936,1096))
    #frame = cv2.resize(frame, (320, 240))
    # Display the resulting frame
    cv2.imshow('frame',frame)
    if cv2.waitKey(1) & 0xFF == ord('p'):
        now = time.strftime("%Y-%m-%d-%H_%M_%S", time.localtime(time.time()))
        cv2.imwrite('D:\\fatwolf\\company_files\\opencv\\' + now + ".png", frame)
        print('save: '+now+'.png')
    elif cv2.waitKey(1) & 0xFF == ord('q'):
        break

# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()