Adi Marvillo (2018-02-22): > Thanks Steve and ZikZak. I've dumped the DVD with mencoder onto the HDD > but the chapters are still lost. I thought the chapter marks are stored > in Stream #0:0 below but they are not as VLC nor ffprobe don't show them... > I wanted to process the vob-file with ffmpeg afterwards ;) > FYI: I didn't encode anything in this dumping-step in order not to loose > quality.
> I don't understand where the chapter information is stored in the DVDs. > Anybody knows? On DVDs, the chapter information, like all the rest of the metadata (language of the streams, palette of the subtitles, etc.), is stored in the IFO files. MPlayer can read them when reading the DVD directly through libdvdread/libdvdcss. FFmpeg, on the other hand, does not know how to read DVDs directly, and the information is not present in the VOB files. Also, concatenating the VOB files like you did will not work correctly, due to timestamps resets and menu data interleaved with the actual video data. You can use the "dvd2concat" script distributed along with FFmpeg to generate a concat script that only takes the relevant part of the VOB files and controls the timestamp resets. It does not handle chapters, but that could be added with a little effort. > Am 2018-02-21 um 17:27 schrieb Steve Boyer: Please remember that top-posting is forbidden on this list. If you do not know what it means, look it up. Regards, -- Nicolas George
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