On Tue, Aug 30, 2011 at 12:04:23PM +0100, Måns Rullgård wrote:
> Kostya Shishkov <[email protected]> writes:
> 
> > Since RV40 is based on H.264, it uses the same interpolation filters and
> > functions for halfpel interpolation in one direction can be reused.
> > Unfortunately other cases are implemented differently and produce slightly
> > different output because of rounding.
> > ---
> >  libavcodec/rv40dsp.c |   24 ++++++++----------------
> >  1 files changed, 8 insertions(+), 16 deletions(-)
> 
> Looks OK.  I take your word for the functions being equivalent.

Yes, it's the same 1 -5 20 20 -5 1 filter with the same rounding in that case,
other cases are different though (and produce different framecrc for the FATE
sample).
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to