Track folders containing videos to see how much of that TV series/video course have you completed.
It uses ffprobe to calculate the duration of videos before and after the last accessed video and shows percentage of completed course/TV series that you are watching in current directory. It also scans all the subfolders for courses structured in folder like chapters to see the last file played via access time:
Windows users need to download ffprobe binary and place them in the same directory else the will get file not found error. https://ffbinaries.com/downloads