[FFmpeg-devel] [PATCH] Common ACELP code & G.729 [6/7] - G.729 postfilter

Michael Niedermayer michaelni
Tue May 13 21:05:59 CEST 2008


On Wed, May 14, 2008 at 12:25:24AM +0700, Vladimir Voroshilov wrote:
> 2008/5/12 Michael Niedermayer <michaelni at gmx.at>:
> >
> > On Sun, May 11, 2008 at 10:01:41PM +0700, Vladimir Voroshilov wrote:
> >  > 2008/5/8 Michael Niedermayer <michaelni at gmx.at>:
> >  > > On Fri, May 02, 2008 at 06:49:43PM +0700, Vladimir Voroshilov wrote:
[...]
> >  > > Anyway the whole postfilter looks like it needs some serious cleanup.
> >  >
> >  > Sure.
> >  > Postfilter is most complicated part of entire G.729 decoder.
> >  > And good cleanup is not made for it yet.
> >
> >  well, look at ra144.c if you want to see worse ...
> 
> Look into RCA VOC patch :P
> 
> >  Iam actually wondering if it has some common code to ACELPs. Somehow
> >  it did look like it has but its quite obfuscated so i could be totally
> >  wrong ...
> 
> I don't see any similar to ACELP there yet.

acording to wikipedia its VSELP
and ra28.8 should be  G.728 LD-CELP

If true there should be some common stuff ... if only the code wouldnt be
so obfuscated.

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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