Chapters out of sync?

MKV playback, recompression, remuxing, codec packs, players, howtos, etc.
Ferrett1983
Posts: 40
Joined: Wed Nov 18, 2020 11:29 am

Chapters out of sync?

Post by Ferrett1983 »

I've ripped a few movies recently and have noticed the chapter timings are out. When I skip to a chapter there is maybe a second from the previous chapter. I assumed makemkv give 1:1 copy? Would there be a way of not having any chapters?
ArArdin
Posts: 196
Joined: Fri Nov 20, 2020 1:40 pm

Re: Chapters out of sync?

Post by ArArdin »

Do you rip to mkv or full disc backup? And do you playback your MakeMKV rip with the same player you use for your original disk?
Woodstock
Posts: 10973
Joined: Sun Jul 24, 2011 11:21 pm

Re: Chapters out of sync?

Post by Woodstock »

A number of possibilities, the more likely is how a video is encoded.

The usual way of doing things is to take a full frame, then encode the differences between that frame and the next, and the next, etc. The full frame is a "key" frame, and they do not necessarily fall where a chapter marker points. The player has to find either the previous or next key frame to start playback.

Sometimes the markers are just off because the disk author was careless.