[DVDnav-discuss] libdvdread 4.2.0 crashes

[Timo Saarinen]

On 30.12.2012 17:13, Fabian Keil wrote:
> Timo Saarinen <timo.p.saarinen at gmail.com> wrote:
>
>> I try view a DVD disc with VLC and Totem on Arch Linux. For some reason the
>> both players fail to view a specific disc and give the following output to
>> stdout. This happens both in 32 bit and 64 bit environments. Also VLC
>> player on Windows fails to play the DVD. The other DVD don't have the same
>> issue. There is another Windows DVD player, which can play the disc without
>> problems. The related library versions are:
>>
>> libdvdread 4.2.0
>> libdvdnav 4.2.0
>>
>> ----
>> $ vlc /dev/sr0
>> VLC media player 2.0.5 Twoflower (revision 2.0.5-0-g1661b7d)
>> [0x82d038] main libvlc: Running vlc with the default interface. Use 'cvlc'
>> to use vlc without interface.
>> libdvdnav: Using dvdnav version 4.2.0
>> libdvdread: Using libdvdcss version 1.2.12 for DVD access
>> libdvdnav: DVD Title: BRAVE
>> libdvdnav: DVD Serial Number: 413A98CA
>> libdvdnav: DVD Title (Alternative): BRAVE
>> libdvdnav: Unable to find map file '/home/timo/.dvdnav/BRAVE.map'
>> libdvdnav: DVD disk reports itself with Region mask 0x00fd0000. Regions: 2
>>
>> 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 0x0000023d
>> libdvdread: Elapsed time 0
> [...]
>> libdvdread: Get key for /VIDEO_TS/VTS_22_1.VOB at 0x00369bcb
>> libdvdread: Elapsed time 0
>> libdvdread: Found 22 VTS's
>> libdvdread: Elapsed time 0
>> libdvdnav: decoder.c: [WARNING, unknown bits: 1000000000080000]
>> libdvdnav: decoder.c: [WARNING, unknown bits: 1000000000000000]
>>
>> *** libdvdread: CHECK_VALUE failed in ifo_read.c:915 ***
>> *** for pgc->cell_playback_offset != 0 ***
>>
>> Segmentation fault (core dumped)
> It's not clear to me that the crash actually happens in libdvdread.
>
> Without a back trace it's impossible to be sure, but assuming the
> DVD is http://www.imdb.com/title/tt1217209/ which looks like a
> somewhat recent Disney title, I'd speculate that this is a
> dvdnav_describe_title_chapters() issue.
>
> It's possible that opening the DVD in vlc with the "No disc menus"
> option checked works around the problem.
>
> Applying the patches previously posted to this list might be
> worth trying as well.
>
> Fabian

Yes, the disc is that one. I tried to view it with "No disc menus", but 
a similar crash resulted. If you need more information, please, ask.

Timo

----
[...]
libdvdread: Get key for /VIDEO_TS/VTS_22_1.VOB at 0x00369bcb
libdvdread: Elapsed time 0
libdvdread: Found 22 VTS's
libdvdread: Elapsed time 0
[0x7f0350000b78] main input error: ES_OUT_RESET_PCR called
[0x7f0350000b78] main input error: ES_OUT_RESET_PCR called
[0x7f0350000b78] main input error: Invalid PCR value in 
ES_OUT_SET_(GROUP_)PCR !
[0x7f0350000b78] main input error: Invalid PCR value in 
ES_OUT_SET_(GROUP_)PCR !
[0x7f0350000b78] main input error: Invalid PCR value in 
ES_OUT_SET_(GROUP_)PCR !
[mpeg2video @ 0x7f03340ba100] releasing zombie picture

*** libdvdread: CHECK_VALUE failed in ifo_read.c:915 ***
*** for pgc->cell_playback_offset != 0 ***

Segmentation fault (core dumped)