[FFmpeg-devel] [PATCH 3/4] ituh263dec: Optimize new RL_VLC based decoding.

[Reimar Döffinger]

On Sun, Aug 31, 2014 at 07:09:13PM +0200, Michael Niedermayer wrote:
> On Sun, Aug 31, 2014 at 04:48:43PM +0200, Reimar Döffinger wrote:
> > @@ -549,11 +549,8 @@ retry:
> >              av_log(s->avctx, AV_LOG_ERROR, "run overflow at %dx%d i:%d\n", s->mb_x, s->mb_y, s->mb_intra);
> >              return -1;
> >          }
> > -        j = scan_table[i];
> > +        j = scan_table[i-1];
> 
> the - 1 feels avoidable

I have no good idea how so far.
Note that it is not really an extra cost: we save on a i++ at this place
exchange...