[XviD-devel] segmentation fault

Christoph Lampert chl at math.uni-bonn.de
Sun Oct 3 19:54:37 CEST 2004

On Sun, 3 Oct 2004, Henning Moll wrote:

> Hi Christoph,
> thanks for your reply!
> On Sunday 03 October 2004 17:35, Christoph Lampert wrote:
> > > I don't know much of CPUs and that stuff, but I thought of
> > > something like a hardware random number generator. Is there
> > > something like that?
> >
> > there is such a thing, but it's not used in XviD. XviD should behave
> > exactly identical when run twice on the same hardware.
> Do you know, whether this random generator is used by transcode or 
> mencoder? if not, i can exclude this from being the the source of the 
> problem..

No, nobody uses it. And btw Athlon XP doesn't have one, but some VIA chips 

> BTW: Do you have any test programms, which test xvid without relying on 
> other software as transcode/mencoder? That would be great to sort them 
> out.

There's "xvid_bench" in the xvidcore/examples directory. 
That calculates CRC for the most frequently used routines. 
Except for some mpeg_quant routines (which is explained in output), none 
of those should report a CRC error.


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