[MPlayer-dev-eng] [PATCH] autoq support for

Michael Niedermayer michaelni at gmx.at
Mon Feb 11 02:16:23 CET 2002


Hi

On Monday 11 February 2002 02:04, Arpi wrote:
[...]
> > part if a MB has little or zero diferential variance and marked it as
> > skipped to avoid DCT/Q/IDCT/Q. But I'm thinking on bring that code
> > again. Maybe not based on the MB diferences variance (has problems) but
> > based on the SAD of the MB. But this could help on non intra since the
> > MC is performed on that case only. I'm not sure if there are a routine
> > that detect all zero coefficients on intra MB (it`s easy on the current
> > implementation) to avoid the IDCT/Q right now.
>
> I think it's easy to summarize 64 integers in MMX ?
the current quantizer, will not only tell u if the thing is all zero but it 
will tell u the last non zero coeff :)

[...]

Michael



More information about the MPlayer-dev-eng mailing list