Re[5]: [XviD-devel] qpel - problems I found

Radek 'sysKin' Czyz xvid-devel@xvid.org
Sun, 13 Oct 2002 00:49:30 +0930


> So it's ffdshow/libvacodec which forgets the rounding. Apart from
> that, it seems to decode fine - no other artifacts.

Hi,
I just downloaded ffdshow sources and here it is, at the very
beginning of mpeg_motion()

if(s->quarter_sample)
{
    motion_x>>=1;
    motion_y>>=1;
}
Which is wrong.
I don't even know where to post this bug report, so I write it here ;)

Radek