[XviD-devel] B frame help

Christoph Lampert chl at math.uni-bonn.de
Sat Feb 8 11:10:08 CET 2003


On Sat, 8 Feb 2003, Radek Czyz wrote:
> Hello Zoltan,
> 
> > only forward/backward vectors
> 
> You can skip B-frames if you don't intend to use direct mode... they
> will always be inferior compared to P-frames.
> B-frames are only better because of direct mode.

Radek's right in this. Also, since you don't support QPel or GMC anyway,
if you also drop B-frames the whole encoder and decoder will be easier and
faster, and have at least a small chance to be MPEG-4 compliant (Simple 
Profile)... 

gruel 



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