[Ffmpeg-devel] [BUG] H.264 + AltiVec == heavy artefacts

[Diego Biurrun]

On Sat, Oct 01, 2005 at 04:34:24PM +0200, Diego Biurrun wrote:
> On Sat, Oct 01, 2005 at 09:33:18AM +0200, Romain Dolbeau wrote:
> > Diego Biurrun <diego at biurrun.de> wrote:
> > 
> > > If I comment out
> > > 
> > >   dspfunc(put_h264_qpel, 0, 16);
> > >   dspfunc(avg_h264_qpel, 0, 16);
> > > 
> > > in libavcodec/dsputil_h264_altivec.c lines 255 and 256 the artifacts go
> > > away.
> > 
> > Unfortunately, this is not very specific ; these two are macros that
> > each enable half the motion compensation functions...
> 
> OK, I'll try to narrow it down a bit more.

AFAICT they are all broken.  Even if I enable just one of them I get
artifacts.  This should be really easy to reproduce.

Diego