[FFmpeg-devel] [PATCH] Implement PAFF in H.264

[Michael Niedermayer]

On Wed, Oct 03, 2007 at 09:02:38PM +0200, Martin Zlomek wrote:
> Attached patch fixes deblocking filter process as
> described in the h.264 specs in section 8.7.2.1
> "Derivation process for the luma content dependent
> boundary filtering strength".
[...]
> @@ -6453,9 +6460,12 @@ static void filter_mb_fast( H264Context 
>                                                (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
>          }
>          if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
> -            bSv[0][0] = 0x0004000400040004ULL;
> +            bSv[0][0] = (!IS_INTERLACED(mb_type) && !IS_INTERLACED(s->current_picture.mb_type[mb_xy - 1]))
> +                ? 0x0004000400040004ULL : 0x0003000300030003ULL;

(IS_INTERLACED(mb_type) || IS_INTERLACED(s->current_picture.mb_type[mb_xy - 1])) ? ...
is simpler



>          if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
> -            bSv[1][0] = 0x0004000400040004ULL;
> +            bSv[1][0] = ((!IS_INTERLACED(mb_type) && !IS_INTERLACED(s->current_picture.mb_type[h->top_mb_xy]))
> +                         || FIELD_PICTURE)

can IS_INTERLACED(mb_type) be != FIELD_PICTURE here?


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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