The best way, I found to make an MKV from a BD with multiple crawl, or seemless branching in general (tested with the official BDs, not this but I’d assume it would be the same) is to import not the m2ts files into the muxing program, but the playlist file corresponding to the version you want.
That’s true, but Makemkv does a better job at joining multiple M2TS files than mkvtoolnix in my experience. Mkvtoolnix gives some error frames at joined points sometimes for some reason (I’m pretty sure it did this on one of my Alien discs, so now I only use MakeMKV to convert .MPLS to .MKV).
RU.08’s suggestion seems to be spot on though. The file is a little smaller, but I couldn’t detect any difference in quality between screenshots, even zoomed in.
That’d be because it’s exactly the same file, but in a different container. The extra size on the BD is mostly just the other crawl, the extras on the disc, and the menus.
Yeah, but I want an MKV as well, lol (I really don’t know why, I just kinda do).
Well I know why I want it, so I can stream it from my PC to my TV. Much more convenient than using a Bluray player that might skip, pause, and do all sorts of nonsense while playing!