Re: Bug: Assertion fails for BIGWRITEBUFLEN on large projects

> Your control file has about 4000 <vob> lines in it. I successfully 
> created a test with over 7000 <vob> lines, and the updated dvdauthor 
> builds it just fine.
> 
> However, dvdunauthor seems to run into limits with libdvdread, I get 
> repeated error messages like this:
> 
> *** libdvdread: CHECK_VALUE failed in 
> /build/buildd-libdvdread_4.1.3-8-amd64-UYsyCI/libdvdread-4.1.3/src/ifo_read.c:1203 
> ***
> *** for vts_ptt_srpt->title[i].ptt[j].pgn < 100 ***
> 
> So it appears somebody isn’t expecting a PGC to contain more than 100 
> programs.
 

This wouldn't just be the DVD spec limitation?

99 titlesets
99 titles / titleset 
99 chapters / title


If it was that, it might be nice if DVD Author checked this limits and would fail or at least warn if a disc was out of spec (many software players will play an out of spec DVD).

 

Tony

 

 


> Date: Sun, 7 Mar 2010 19:37:20 +1300
> From: ldo-kC51rjc0cqs1dNLGKZg6taU/[email protected]
> To: dvdauthor-users-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: Re: [Dvdauthor-users] Bug: Assertion fails for BIGWRITEBUFLEN on large projects
> 
> T. Evert wrote:
> 
> > DVDAuthor returns the following error, which I believe indicates a bug in
> > this case:
> > Assertion failed: p<=BIGWRITEBUFLEN, file dvdifo.c, line 220
> 
> I have done a fix for this. Creation of IFO files now uses a 
> dynamically-resizable buffer, so you should be able to go all the way up 
> to the limits of the DVD-Video spec.
> 
> > I’m running a MinGW compile of DVDAuthor Version 0.6.17 (also tested with
> > 0.6.14) with the attached XML file. (Also at 
> > http://www.iConsultants.net/tmp/T4Y-DVDAuthor.zip)
> 
> Your control file has about 4000 <vob> lines in it. I successfully 
> created a test with over 7000 <vob> lines, and the updated dvdauthor 
> builds it just fine.
> 
> However, dvdunauthor seems to run into limits with libdvdread, I get 
> repeated error messages like this:
> 
> *** libdvdread: CHECK_VALUE failed in 
> /build/buildd-libdvdread_4.1.3-8-amd64-UYsyCI/libdvdread-4.1.3/src/ifo_read.c:1203 
> ***
> *** for vts_ptt_srpt->title[i].ptt[j].pgn < 100 ***
> 
> So it appears somebody isn’t expecting a PGC to contain more than 100 
> programs. :)
> 
> As always, my code is at <http://github.com/ldo/dvdauthor>.
> 
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