[Xvid-devel] What is the RefP in SearchData struct

Chien Tran chien.study at gmail.com
Sat May 26 17:46:46 CEST 2012


Hi A.H.C,
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Regards,

2012/5/26 A.H.C. van den Oever <ad03271 at gmail.com>

> *please unsubscribe me from your list*
>
> 2012/5/26 Chien Tran <chien.study at gmail.com>
>
> > Hi everyone,
> > I am doing a research about improving the Mode Decision in P frame. After
> > the SearchP method is called to search for the best candidate of each
> > macroblock, I want to store the pointer to the Macroblock data (Y
> > component) as well as 4 pointers to 4 sub block of the MB candidate.
> > Currently, I see that they are using the GetReference method to get the
> > pointer to the corresponding location of previous frame based on Motion
> > Vectors has found. The GetReference method contains only 3 lines of code
> > but it's hard to understand what it does. Could someone please explain to
> > me the code in GetReference method (about the bit shifting, etc..)? And I
> > don't know what the RefP array is used for? The comment says something
> > about reference pictures N, V, H... I guess the H is Horizontal, V is
> > vertical, but I have no clue about what N, cU and cV are.
> >
> > Thanks in advance
> > --
> > Best wishes,
> >
> > Tran Xuan Chien
> > University of Information Technology
> > Phone: (+84) 1692 468 154
> > _______________________________________________
> > Xvid-devel mailing list
> > Xvid-devel at xvid.org
> > http://list.xvid.org/mailman/listinfo/xvid-devel
> >
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-- 
Best wishes,

Tran Xuan Chien
University of Information Technology
Phone: (+84) 1692 468 154


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