Trouble with DVD ripping -- incorrect length info, playback issues and warnings

[mara004]

mpv dvd://i --stream-dump=filename.vob seems to produce corrupt output. Players like VLC show an incorrect length, and there are navigation issues. ffmpeg shows warnings.
mplayer dvd://n -dvd-device /dev/sr0 -dumpstream -dumpfile filename.vob on the other hand produces valid output, but it has issues with hardware management.
See also https://gist.github.com/mara004/b3f0a3535382e232e729614ad4edca87 (comments)

mpv 0.35.1 and mplayer SVN-r38369-12 on Fedora 37

[blagae]

I have a similar issue. For a DVD I own, the vob file ballooned and took up all 90GB of disk space I had available on my system, and then errored out because the disk was full. Below is the output.

$ mpv dvd://00 --dvd-device=/media/<user>/<movie-title> --stream-dump=<movie-title>-0.vob
Trying to rip <movie-title>
dvd://00
libdvdread: Attempting to use device /dev/sr0 mounted on /media/<user>/<movie-title> for CSS authentication
libdvdnav: Can't read name block. Probably not a DVD-ROM device.
libdvdnav: vm: dvd_read_name failed
libdvdnav: DVD disk reports itself with Region mask 0x00fd0000. Regions: 02
libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient
libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x0000014e
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x000006b1
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x0001a56f
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x002bd211
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x002bd216
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_0.VOB at 0x002cc59e
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x002cc5a3
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_0.VOB at 0x002fcc42
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_1.VOB at 0x002fcc47
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_05_0.VOB at 0x0035b7e9
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_05_1.VOB at 0x0035b7ef
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_06_0.VOB at 0x003bd6a4
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_06_1.VOB at 0x003bd6a9
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_0.VOB at 0x003bfd35
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_1.VOB at 0x003bfd3a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_08_0.VOB at 0x003c1761
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_08_1.VOB at 0x003c1767
libdvdread: Elapsed time 0
libdvdread: Found 8 VTS's
libdvdread: Elapsed time 0
[dvdnav] DVDNAV, switched to title: 1
[dvdnav] DVDNAV, switched to title: -1996400731
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996400642
[dvdnav] DVDNAV, switched to title: -1996379372
[dvdnav] DVDNAV, switched to title: -1996400642
[dvdnav] DVDNAV, switched to title: -1996379244
[dvdnav] DVDNAV, switched to title: -1996422819
[dvdnav] DVDNAV, switched to title: -1996378771
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996400770
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996401332
[dvdnav] DVDNAV, switched to title: -1996422346
[dvdnav] DVDNAV, switched to title: -1996400859
[dvdnav] DVDNAV, switched to title: -1996422908
[dvdnav] DVDNAV, switched to title: -1996378643
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996400642
[dvdnav] DVDNAV, switched to title: -1996422346
[dvdnav] DVDNAV, switched to title: -1996400642
[dvdnav] DVDNAV, switched to title: -1996379244
[dvdnav] DVDNAV, switched to title: -1996378643
[dvdnav] DVDNAV, switched to title: -1996378771
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996401204
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996401332
[dvdnav] DVDNAV, switched to title: -1996401204
[dvdnav] DVDNAV, switched to title: -1996400859
[dvdnav] DVDNAV, switched to title: -1996378771
[dvdnav] DVDNAV, switched to title: -1996422346
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996400642
[dvdnav] DVDNAV, switched to title: -1996401204
[dvdnav] DVDNAV, switched to title: -1996422691
[dvdnav] DVDNAV, switched to title: -1996422691
[dvdnav] DVDNAV, switched to title: -1996422346
[dvdnav] DVDNAV, switched to title: -1996378771
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996400770
[dvdnav] DVDNAV, switched to title: -1996422218
[dvdnav] DVDNAV, switched to title: -1996401332
[dvdnav] DVDNAV, switched to title: -1996379372
[dvdnav] DVDNAV, switched to title: -1996400859
[dvdnav] DVDNAV, switched to title: -1996378771
Exiting... (Errors when loading file)

The resulting file is:

$ ls -l
-rw-rw-r-- 1 <user> <user> 89067225088 Dec 13 21:43 <movie-title>-0.vob

[mara004]

Growing out of disk space sounds like a different issue.
Have you tried mplayer?

[blagae]

Yes I did, and it worked (the file was about 5GB). Because of that similarity, I decided to add my comment to this issue.