Commercial DVD makes libdvdread go nuts

Hi all,

I own two commercial DVD titles that make libdvdread return nonsense. I 
know it must be libdvdread, because all DVD player applications have 
trouble playing only these tho titles.

Running tcprobe on one of the DVD disks clearly shows what goes wrong:

takkie ~ # tcprobe -i /dev/dvd
libdvdread: Using libdvdcss version 1.2.8 for DVD access
[tcprobe] DVD image/device
libdvdread: Using libdvdcss version 1.2.8 for DVD access
Please send bug report - no VTS_TMAPT ??
(dvd_reader.c) mpeg2 pal 4:3 U0 720x576 video
(dvd_reader.c) ac3 en drc 48kHz 6Ch
(dvd_reader.c) subtitle 00=<en>
Please send bug report - no VTS_TMAPT ??
(dvd_reader.c) DVD title 1/1: 8 chapter(s), 1 angle(s), title set 1
(dvd_reader.c) title playback time: 00:00:05.01  6 sec
(dvd_reader.c) [Chapter 01] 00:00:00.000 , block from 0 to 196964
(dvd_reader.c) [Chapter 02] 00:00:00.000 , block from 304780 to 444065
(dvd_reader.c) [Chapter 03] 00:00:00.000 , block from 0 to 0
(dvd_reader.c) [Chapter 04] 00:00:00.000 , block from 0 to 0
(dvd_reader.c) [Chapter 05] 00:00:00.000 , block from 834326 to 900439
(dvd_reader.c) [Chapter 06] 00:00:00.000 , block from 1805328 to 1967066
(dvd_reader.c) [Chapter 07] 00:00:00.000 , block from 0 to 0
(dvd_reader.c) [Chapter 08] 00:00:00.000 , block from 0 to 0
[tcprobe] summary for /dev/dvd, (*) = not default, 0 = not detected
import frame size: -g 720x576 [720x576]
      aspect ratio: 4:3 (*)
        frame rate: -f 25.000 [25.000] frc=3
       audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x2000 [0x2000]
[tcprobe] V: 150 frames, 6 sec @ 25.000 fps
[tcprobe] A: 0.09 MB @ 128 kbps
[tcprobe] CD:  650 MB | V:  649.9 MB @ 908634.8 kbps
[tcprobe] CD:  700 MB | V:  699.9 MB @ 978539.9 kbps
[tcprobe] CD: 1300 MB | V: 1299.9 MB @ 1817400.7 kbps
[tcprobe] CD: 1400 MB | V: 1399.9 MB @ 1957210.8 kbps

The number of chapters on the title is correct, but the total playing time 
of 5 seconds is not. The running times and block indices of the chapters 
is total nonsense.

lsdvd does not show any information about the chapters. It outputs only 
this:

takkie ~ # lsdvd -x -t 1
libdvdread: Using libdvdcss version 1.2.8 for DVD access
Please send bug report - no VTS_TMAPT ??
Disc Title: UNTITLED1_SCN
Title: 01, Length: 00:00:05 Chapters: 08, Cells: 01, Audio streams: 01, 
Subpictures: 01
         VTS: 01, TTN: 01, FPS: 25.00, Format: PAL, Aspect ratio: 4/3, 
Width: 720, Height: 576, DF: ?
         Number of Angles: 1
         Audio: 1, Language: en - English, Format: ac3, Frequency: 48000, 
Quantization: drc, Channels: 6, AP: 0, Content: Undefined
         Chapter: 01, Length: 00:00:05, Start Cell: 01
         Cell: 01, Length: 00:00:05
         Subtitle: 01, Language: en - English, Content: Undefined

My version of libdvdread is libdvdread-0.9.4-r1 (Gentoo x86)

Is this a known problem or a new bug?

Cheers!

Dik