An easy batch file script that can find commercials to add chapter markers to a file. Usually, this can used as a Postprocessing script on NextPVR, Emby, Channels or Jellyfin
Inspired by the comchap script that BrettSheleski made for linux https://github.com/BrettSheleski/comchap
Comskip (https://github.com/erikkaashoek/Comskip)
FFmpeg or mkvmerge (depending on which batch file you want to use)