Using Webcam Information
You can determine and change the width, height and frame rate for the webcam connected.
webcam-info -l.
    
To determine and change the values for width, height and frame rate, proceed as follows:
- Start the Webcam Information function.
The following values will be shown:- Width: Width of the image in pixels
 - Height: Height of the image in pixels
 - Rate: Frame rate in fps (frames per second: individual images per second). Example: 1/30 means 30 individual images per second.
 
 - Click on one of the fields to change the value. The supported values will be shown in the process.
 - Click on Test.
The video image generated by the webcam with the current settings will be shown.In order to check whether the webcam is functioning in a session (e.g. redirected via Citrix HDX Webcam Redirection), open https://www.onlinemictest.com/webcam-test/ in your browser within the session.