This will start the Flask development server and you can access the application by visiting http://localhost:5000 in your web browser.
The application allows users to upload an video file which sits at the top and video game at the bottom which is in the uploads folder - quake_short.mp4 , where two of them are combined to form a single video file which is <= 1 minute. If the video uploaded by the user is greater than a minute it will be reduced to a minute. The progress can be seen on the terminal.