[MPlayer-dev-eng] [PATCH] remove limits from af_equalizer

[Reynaldo H. Verdejo Pinochet]

On Fri, Mar 03, 2006 at 02:46:07PM -0800, Corey Hickey wrote:
> 
> Ah, nice! I'm looking forward to seeing what you find out.
> 
> -Corey

Well, see my last patch on 'af equalizer too quiet' thread. the reason
behind the atenuation factor we removed with your patch a few months
ago was to avoid clipping on the filtered output, that factor was
a harcoded value not a run time calculated one, leading to issues like
the one you observed when the filter lowered the level of a supossedly
unfiltered signal (-af equalizer=0:0:0....). When we dropped that
'atenuation' factor the filter started to clip wildly even with sane
db values (0-5), not a good behavior. I suppose we can share the cola
for that one ;)

Ok, the new patch resurrects the 'attenuator' factor but uses
a dinamic approach to calculate it at runtime starting at 1db when
the max gain over all bands is > 0. hope you like the results, as
far as my ears can tell it works a lot better.

Best regards

   Reynaldo

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