Watermarker bot

This script gets a list of all the video files in the current folder, loops over the list of video files, loads the video file and the watermark image, sets the watermark image's opacity to 50%, sets the position of the watermark image to the top left corner of the video, resizes the watermark image to 200 pixels wide and 100 pixels tall, creates a composite clip with the watermark image on top of the video, gets the duration of the input video, sets the duration of the watermarked video to the original duration of the input video, and then saves the watermarked video to an output file using 4 threads.

Notes you can choose:

1. Watermark opacity ;

2. Watermark size ;
3. Location of the watermark ;
4. Number of threads to be used ;