On 10/04/2012 05:21 PM, Dallen Wilson wrote: > Hi, > > I've encountered the "pgc->cell_playback_offset != 0" error in > libdvdread 4.2.0. I know a similar bug was fixed with the release of > 4.2.0, but it seems that newer discs have changed something yet again. > > I downloaded and compiled libdvdread from svn yesterday, then compiled > the latest version of ogmrip myself to ensure it was linked against the > svn copy and can confirm the error still shows up when trying to rip the > disc. > > The movie was Marvel's 'The Avengers'. It seems to play more-or-less ok > in Totem movie player on Ubuntu, with the exception of selecting or > skipping chapters. I even had to watch all the previews. Lots of > "libdvdnav: chapter NOT FOUND!" and "Please send bug report - no > VTS_TMAPT ??" in the console but other then that, fine. > > Attached is the log from 'ogmrip --debug', which consists almost > entirely of output from libdvdread. Let me know if there's any further > information that I can provide, I will be offline for possibly up to a > week but I will respond when able to. >
A gdb backtrace would be more useful. It is possible the problem is in the application rather than in libdvdread. We found a similar bug in HandBrake just yesterday. cell_playback_offset == 0 results in cell_playback == NULL results in NULL pointer access in application. -- John GnuPG fingerprint: D0EC B3DB C372 D1F1 0B01 83F0 49F1 D7B2 60D4 D0F7
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