[XviD-devel] Changes to get_pmv2

[Edouard Gomez]

Tom Jacobs (T.R.Jacobs at lboro.ac.uk) wrote:
> i am currently doing thread-level parallelism on the encoder and have great
> difficulty in motion_estimation. can the left (lp) block be changed on case
> 0 and 2 so that it reads the top left blocks mvs instead. this would lead
> to mvs to be read from either the line above or the current block in every
> case.  this would allow for the whole line to be calculated simultaneously.
> 
> i cant say i understand the reasoning for the locations used in get_pmv2 or
> why certain mvs[] are read and cos of that this probably cant be done but
> it would help me

get_pmv2 returns the predicted motion vector as described in
the MPEG4 standard. We can't change the way it works.

PS: though i'm mostly sure of what i've said, i must admit
i've always been confused by get_pmv/get_pmv2 similiraties, so
maybe i'm wrong. in that case, correct me.

-- 
Edouard Gomez