[MPlayer-users] Very slow seeking in DVD with 1.0rc2 - caused by "near-precise seeking"?

[Nico Sabbi]

Il Wednesday 12 December 2007 18:50:49 Christian Lohmaier ha scritto:
> Hi *,
>
> I upgraded to 1.0rc2 today and will have to switch back to 1.0rc1
> if there's no solution for the following problem:
>
> Seeking in DVDs is very, very slow compared to 1.0rc1, where
> seeking was almost instant.
> Forwarding a minute doesn't make sense, when you wait for a
> minute until playback continues at the new position.
>
> The problematic DVDs are created by a DVD-"VCR".
> I also tested with two retail-DVDs and those didn't suffer from
> that problem, seeking was acceptable there.
>
> So is there a way to get the "imprecise but fast" seeking again?
> Or might the problem be buried elsewhere?
>
> When playing the problematic DVDs I get
>
> *** Zero check failed in ifo_read.c:436
>     for vmgi_mat->zero_3 = 0x00000000010000000000000000000000000000
>
> So apparently the DVDs are not fully-compatible/not what mplayer
> so it might even be possible to detect this error-case and default
> to the non-precise seeking in that case.
>
> Hope that is enough information, if not: Don't hesitate for further
> info.
>
> ciao
> Christian

if the dvd structure is (nearly-) broken you can't expect playback
and seeking to work flawlessly. Anyway I'll add an option to disable 
the dvd structure in the week-end (or simply play the vob files)