[vlc-devel] Re: MPEG2 video demuxer questions

Christophe Massiot massiot at via.ecp.fr
Thu Jun 12 01:12:20 CEST 2003

À (At) 19:51 +0000 11/06/03, j.zorko at att.net écrivait (wrote) :

>Is there a piece of (accurate) documentation on the MPEG2 demux 
>module in VLC?  I'm trying to
>figure out where / how it handles things like sequence headers / 
>GOPs / I-frames / etc., and the
>VLC documentation on videolan.org seems to be out of step with the 
>source.  I'm trying to
>implement an "only play I-frames" mode for ff / rew, so I need to 
>know how VLC a.) identifies an I-
>frame, and b.) find one (seek +/- n I-frames from the current one). 
>I don't want to duplicate a
>bunch of code that finds start codes in the file if I don't have to ...

This is now done in libmpeg2.

Christophe Massiot.
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