HandBrake

Not sure what your objective is, here - If you open the play list file, it should make all the subtitles for that play list available for selection, with the metadata for the language attached. Objective is - reduce the size of the .m2ts file while maintaining its visual quality; - remove unwanted ...

Assuming they're already decrypted, you can open the play list and handbrake will assemble the required transport streams as needed. Could you please explain a little further? It seems that Handbrake can't open a .mpls file - how to open a playlist so that Handbrake is able to assemble the streams?...

Probably because that information is usually stored in the playlist files, which control which transport streams are played when. You're right. To test, 1) played the file from within the BluRay folder structure - PotPlayer was able to list languages: https://i.ibb.co/zG8FcyM/potplayer-folder.jpg 2...

Description of problem or question: Handbrake is able to substantially reduce .m2ts files by converting them to .mkv. However, subtitles in .m2ts files (BluRay) are not identified by language - they are listed as 1 Unknown [PGS] 2 Unknown [PGS] 3 etc. In order to determine each language, one has to...

@woodstock, thank you very much and, as @s55 said, the UI automatically renames.

Description of problem or question: How to define default path as the source file's path? Although the UI doesn't seem to indicate how to, I wonder whether there's a way (environment variable etc.) to set default output path to be the same as that of the input file. Steps to reproduce the problem (...