[vlc-devel] Re: duration of a mpeg2 file !

[Måns Rullgård]

Alain Costanza <costanza at EIG.UNIGE.CH> writes:

> Hello,
>
> I am looking for a way to find out the duration of a mpeg2 file in C++
> or Java. I found nothing on internet about this topic and I need it
> for my project in my school. May I ask you if you have a solution for
> that ? A class or anything else ...

The only reliable way is to parse the entire file.  In many cases, you
can get away with checking the first and the last timestamp.  If these
would imply an unreasonable bitrate (e.g. > 100Mbps), do a binary
search for timebase discontinuities.

-- 
Måns Rullgård
mru at inprovide.com

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