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output.avi file created but its size is 0k

import numpy

import cv2

cap = cv2.VideoCapture(0)

fourcc = cv2.cv.CV_FOURCC(*'MJPG')

out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):

ret, frame = cap.read()

if ret==True:

    frame = cv2.flip(frame,1)

    # write the flipped frame
    out.write(frame)

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

cap.release() out.release() cv2.destroyAllWindows()

image description

output.avi file created but its size is 0k

import numpy

import cv2

cap = cv2.VideoCapture(0)

fourcc = cv2.cv.CV_FOURCC(*'MJPG')

out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):

ret, frame = cap.read()

if ret==True:

    frame = cv2.flip(frame,1)

    # write the flipped frame
    out.write(frame)

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

cap.release() out.release() cv2.destroyAllWindows()

image description

output.avi file created but its size is 0k

import numpy

import cv2

cap = cv2.VideoCapture(0)

fourcc = cv2.cv.CV_FOURCC(*'MJPG')

out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):

ret, frame = cap.read()

if ret==True:

    frame = cv2.flip(frame,1)

    # write the flipped frame
    out.write(frame)

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

cap.release() out.release() cv2.destroyAllWindows()

image description

output.avi file created but its size is 0k

import numpy

import cv2

cap = cv2.VideoCapture(0)

fourcc = cv2.cv.CV_FOURCC(*'MJPG')

out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):

ret, frame = cap.read()

if ret==True:

    frame = cv2.flip(frame,1)

    # write the flipped frame
    out.write(frame)

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

cap.release() out.release() cv2.destroyAllWindows()

image description

output.avi file created but its size is 0k

import numpy

import cv2

cap = cv2.VideoCapture(0)

fourcc = cv2.cv.CV_FOURCC(*'MJPG')

out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):

ret, frame = cap.read()

if ret==True:

    frame = cv2.flip(frame,1)

    # write the flipped frame
    out.write(frame)

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

cap.release() out.release() cv2.destroyAllWindows()

image description