Video converter doesnt operate #131
Description
Describe the bug
I am trying to convert the video webm format without audio. I run the code in jupyter notebook. And get this result:
Provide version info
3.9.12
4.7.0
just installed the latest
Provide error message
OpenCV(4.7.0) /io/opencv/modules/highgui/src/window.cpp:1266: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvDestroyAllWindows'
Provide code snippet
What code were you trying to run when the issue occurred?