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Fixed a bunch of typos and formatting

edit approved May 6, 2016 at 20:29

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iI used this example to record a video, but there is no output any. Any help, please :

import cv2

if __ name __ == " __ main __ ":

import cv2 if __ name __ == " __ main __ ": # find the webcam  capture = cv2.VideoCapture(0)  # video recorder  fourcc = cv2.cv.CV_FOURCC(*'XVID') # cv2.VideoWriter_fourcc() does not exi$exist  videoOut = cv2.VideoWriter("output.avi", fourcc, 20.0, (640, 480))  # record video  while (capture.isOpened()):   ret, frame = capture.read()   if ret:   videoOut.write(frame)   cv2.imshow('Video Stream', frame)   else:   break   # Tiny Pause   key = cv2.waitKey(1)  capture.release()  videoOut.release()  cv2.destroyAllWindows()

iI got thesethis error : HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP

(Video Stream:2758): Gtk-WARNING **: cannot open display:

HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP (Video Stream:2758): Gtk-WARNING **: cannot open display:

i used this example to record a video but there is no output any help please :

import cv2

if __ name __ == " __ main __ ":

# find the webcam capture = cv2.VideoCapture(0) # video recorder fourcc = cv2.cv.CV_FOURCC(*'XVID') # cv2.VideoWriter_fourcc() does not exi$ videoOut = cv2.VideoWriter("output.avi", fourcc, 20.0, (640, 480)) # record video while (capture.isOpened()): ret, frame = capture.read() if ret: videoOut.write(frame) cv2.imshow('Video Stream', frame) else: break # Tiny Pause key = cv2.waitKey(1) capture.release() videoOut.release() cv2.destroyAllWindows()

i got these error : HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP

(Video Stream:2758): Gtk-WARNING **: cannot open display:

I used this example to record a video, but there is no output. Any help, please:

import cv2 if __ name __ == " __ main __ ": # find the webcam  capture = cv2.VideoCapture(0)  # video recorder  fourcc = cv2.cv.CV_FOURCC(*'XVID') # cv2.VideoWriter_fourcc() does not exist  videoOut = cv2.VideoWriter("output.avi", fourcc, 20.0, (640, 480))  # record video  while (capture.isOpened()):   ret, frame = capture.read()   if ret:   videoOut.write(frame)   cv2.imshow('Video Stream', frame)   else:   break   # Tiny Pause   key = cv2.waitKey(1)  capture.release()  videoOut.release()  cv2.destroyAllWindows()

I got this error:

HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP (Video Stream:2758): Gtk-WARNING **: cannot open display:

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asked May 6, 2016 at 16:04

happy

recording video with opencv

i used this example to record a video but there is no output any help please :

import cv2

if __ name __ == " __ main __ ":

# find the webcam capture = cv2.VideoCapture(0) # video recorder fourcc = cv2.cv.CV_FOURCC(*'XVID') # cv2.VideoWriter_fourcc() does not exi$ videoOut = cv2.VideoWriter("output.avi", fourcc, 20.0, (640, 480)) # record video while (capture.isOpened()): ret, frame = capture.read() if ret: videoOut.write(frame) cv2.imshow('Video Stream', frame) else: break # Tiny Pause key = cv2.waitKey(1) capture.release() videoOut.release() cv2.destroyAllWindows()

i got these error : HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP

(Video Stream:2758): Gtk-WARNING **: cannot open display: