[MPlayer-users] help! (Mplayer -identify gives wrong video length)

[Nico Sabbi]

Il Thursday 22 November 2007 12:16:55 Alexander Roalter ha scritto:
> Ognjen Bezanov wrote:
> > Hello Everyone!
> >
> > I'm having an issue with mplayer -identify. When I try to get the
> > length of a MPEG from a DVD track  (dumped with mplayer dvd://1
> > -dumpstream -dumpfile etc...) It gives me the wrong value. It
> > says the movie file is 3h:59m long, even though if I watch it,
> > the movie finishes after 1h and 42mins.
> >
>
> 3:59 is quite suspiciously looking. AFAIK the length via -identify
> is not obtained by looking at the entire file, but trusting what's
> written in the headers. If I chop a mpeg at 1MB, -identify still
> should display the same length as before. So it's safe to assume
> the authoring of the DVD track was not done well.
>
> Just to make sure: the movie finishes regularly at 1:42, not that
> it is cut off at that point with 2:28 still to go?


how many more million times do I have to repeat that the only reliable
informations are the ones obtained in the ifo files rather than from
any kind of mpeg inspection?

$ mplayer -nocache -identify dvd://
is right

$ mplayer -identify file.vob 
is WRONG!