OpenCV problem

[prajyot9767]

VIDEOIO ERROR: V4L2: Pixel format of incoming image is unsupported by OpenCV
Unable to stop the stream: Device or resource busy
OpenCV Error: Unspecified error (The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script) in cvWaitKey, file /tmp/build/80754af9/opencv_1512687413662/work/modules/highgui/src/window.cpp, line 682
Traceback (most recent call last):
File "client.py", line 28, in
client.connect()
File "client.py", line 16, in connect
frame=self.videofeed.get_frame()
File "/home/sunil/Downloads/videochat-master/videofeed.py", line 17, in get_frame
c = cv2.waitKey(1)
cv2.error: /tmp/build/80754af9/opencv_1512687413662/work/modules/highgui/src/window.cpp:682: error: (-2) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function cvWaitKey

I can't seem to understand the problem here. Can you please help me!! I've installed opencv and server side code works fine but when i compile client.py there seems to be some issues. Please help me