cv2 save webcam image to file python code example

Example 1: record webcam in python

import numpy as np
import cv2

cap = cv2.VideoCapture(0)

while(True):
    # Capture frame-by-frame
    ret, frame = cap.read()
    
    # Display the resulting frame
    cv2.imshow('frame',frame)
    
    # Delay 1 milisecond everytime and check if pressed "q" to quit
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

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

Example 2: how to show webcam in opencv

import cv2

cap = cv2.VideoCapture(0)

while True:
    success, img = cap.read()
    cv2.imshow("Webcam", img)
    if cv2.waitKey(1) == ord('q'):
        break