Recording a specific Window using OpenCV-Python

In this blog, we will learn how to record any window using OpenCV-Python.

Installing Libraries:

  1. To install PIL and pywin32, write

    in the cmd(See here). pywin32 will install win32gui, win32api, and win32con.
  2. For installing winGuiAuto, download from here. Save this as in the python -> lib -> site-packages.


  1.  Create the window that you want to record (I used cv2.imshow() for that)
  2.  Give the window name that you want to record in winGuiAuto.findTopWindow()
  3.  Keep the window on top and set its position using win32gui.SetWindowPos()
  4.  Get the coordinates of the window using win32gui.GetWindowPlacement()
  5.  Grab an image of the area using ImageGrab.grab()
  6.  Append all these images into a list.
  7.  Create a VideoWriter object using cv2.VideoWriter()
  8.  Convert each image color and save it.


If you want to make a .gif file, uncomment the last part.

Note: This works well for windows 8.1, but you might find some difficulty in capturing full window in windows 10.

Hope you enjoy reading. If you have any doubt/suggestion please feel free to ask and I will do my best to help or improve myself. Good-bye until next time.

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