[XviD-devel] a question... is xvid streamable?

[pablo wablo]

Thanks! I will read up on mpeg4 first as SuperMMX
said.. I still have no clue about Mpeg4/XVID streams
unfortunately, but looks like I can use XVID in my
study
--- Christoph Lampert <chl at math.uni-bonn.de> wrote:

> On Wed, 5 Jan 2005, SuperMMX wrote:
> >      I'm not sure about the XviD specific decoding
> , but in general,
> > as long as the basic bitstream configurations,
> such as VOL header, etc,
> > are not lost, partial stream should be playable,
> cause every VOP
> > startcode can be used to resynchronize.
> > 
> >      In another side, it is not recommended to
> stream video in this
> > direct way , :)
> 
> Hi,
> 
> if it's just video information that you have, it's
> simple to find the 
> VOL/VOP/VO/VOSH headers in a partial stream, because
> they are unique 32bit 
> sequences that cannot occur anywhere else in the
> stream. 
> Then, you can adapt xvid_decraw.c or any other
> decode to just discards 
> bytes until you hit a header. 
> I guess, mplayer/libavcodec in Linux already does it
> that way, it works 
> quite well to play broken streams. 
> 
> If there's audio, or AVI header parts or something
> else, those sequences
> might be preset somewhere else, and this method
> might crash.
> 
> gruel
> _______________________________________________
> XviD-devel mailing list
> XviD-devel at xvid.org
> http://list.xvid.org/mailman/listinfo/xvid-devel
> 



	
		
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