hello i have some problem to read video from camera using pythom3 and opencv3.3 when i use python2.7 the code give me the video but when i change the interpreter to python3.5 yhe code is build but no error no result , it failt to open the camera here is the test code.

import numpy as np

import cv2

cap = cv2.VideoCapture(0)

while(cap.isOpened()): # check ! # capture frame-by-frame ret, frame = cap.read()

if ret: # check ! (some webcam's need a "warmup")
    # our operation on frame come here
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

    # Display the resulting frame
    cv2.imshow('frame', gray)

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

When everything is done release the capture

cap.release() cv2.destroyAllWindows()

thank it work on my laptop but not the destop. it should be due to hardware configuration thank you very much

yes i tried hall these cases but nothing . it termiates immediately it goes immediately to release

how to read video from webcam with opencv3.3 and python3.5 on ubuntu 16.04? hello i have some problem to read video from

ok thank , that seems to be ok

i am using python3.5 with opencv 3.3 i tried it in ubuntu terminal it does not work but there was not error message.

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