[XviD-devel] Aspect Ratio

peter ross xvid-devel@xvid.org
Thu, 24 Oct 2002 21:17:03 +1000


>Hi

hi michael,

>u should check if the mpeg4 std allows the VOL stuff to be changed between
>frames, iam not sure, AFAIK it is not even allowed to have more than 1 VOL
>header per stream (the momusys reference does complain if there is more 
>then
>1 VOL header) allthough all AVI based codecs add the VOL to each keyframe 
>...

true.

> > petes awaiting the "xvid+obmc" annoucement... it's gonna be great,
> > given that no other codec OR _profile_ supports it... !
>and that means its not part of mpeg4 -> there will be no interoperability 
>with
>any mpeg4 compliant codec anymore

hehe, my point was, that if xvid's want to "implement something that
no other codec has" then obmc would be a good choice.
btw, i recall seeing an obmc field in the divx4 encoder api...

-- pete

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