How capture webcam in python

August 03, 2019

Here is a simple tutorial on how to capture your webcam in python.

First you need install cv2.

$ pip3 install cv2

Now create the following file:

import cv2
import numpy as np

cap = cv2.VideoCapture(0)

fourcc = cv2.VideoWriter_fourcc('M','J','P','G')
out = cv2.VideoWriter()
succes = out.open('output.avi',fourcc, 15.0, (1280,720),True)

while True:
  ret, frame = cap.read()
  cv2.imshow('frame', frame)
  out.write(frame)

  if cv2.waitKey(1) & 0xff == ord('q'):
    break

cap.release();
out.release();

cv2.destroyAllWindows()

Voila.

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