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

Romain Dolbeau romain
Sat Oct 1 09:33:18 CEST 2005

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...

Is there a short sample available somewhere that exhibit the problem ? I
a bit buried in work ATM, but I'll try my best to identify the problem
newt week if I can spare the time.

Romain Dolbeau
<romain at dolbeau.org>

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