Is poor "raw" DVD and BD playback expected?

[in-plaintext]

I've ripped a lot of DVDs and blu-rays, mostly with MakeMKV (the disc "backup" feature) and AnyDVD HD (Windows) to folders, with DRM removed for archival. It soon started to seem that "remuxing" the disc data with a DVD-/BD-compliant program (not a generic tool such as ffmpeg) into an MVK container for seamless playback is near-mandatory: skipping back or forward is unreliable (can even load another episode/file instead of moving over the intro, segments may play several times) and resuming playback tends to fail after some time, vaguely in fashion of an expired web stream. ffmpeg prints errors into the console.

Disc menu support is not needed and I suppose I'm in favor of removing legacy code from mpv.

Please clarify why and if mpv may struggle with raw disc folders and images. And if anyone is familiar with an open CLI program (always scriptable) created for disc-remuxing, please tell me.

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EDIT: I didn't search properly; some related issues (many around a decade in age) for reference:

#7111
#696
#13712
#3859

[Dudemanguy]

It's expected in the sense that disc playback is full of bugs and no one has fixed them.

[Dudemanguy]

Could you test the builds in this PR here? Hopefully it behaves better.