[MPlayer-dev-eng] [PATCH] audio filter volnorm2 - two-pass audio normalizer

[Rich Felker]

On Sat, Jul 30, 2005 at 02:54:53PM -0500, Zoltan Hidvegi wrote:
> Rich Felker wrote:
> > One call to pow plus one indirect function call per sample is at least
> > 250 cycles per sample. That's 12 million cycles per second.. quite a
> 
> No, I think I've used the wrong term.  Not per sample, per AC3 packet,
> which AFAIK contains 1152 samples.  It's a thousand times less
> overhead than what you have calculated.

Reading the source to ad_liba52 a long time ago I thought it was one
call per sample, too.. It would be a lot better if it's one call per
frame, of course.

Rich