[MPlayer-dev-eng] liba52 vs. libac3

Nick Kurshev nickols_k at mail.ru
Tue Dec 18 08:47:37 CET 2001


Hello, Arpi!

On Mon, 17 Dec 2001 17:23:18 +0200 (CEST) you wrote:

> Hi,
> 
> It is planned to remove libac3 (replace by liba52) as soon as possible.
> Why?
> - liba52 is better designed, its API is better for our needs
> - liba52 is more standards (dolby etc conformant, and also supports more
> modes and formats
> - liba52 is maintained by Walken, libac3 is not.
> - liba52 is faster at C level, thanks to some tricks (downmix in freq space etc)
> 
> But...
> - libac3 has lots of 3dnow (mmx too?) optimization mostly by Nick
I'll add it when I'll get some more free time.
(Probably in the next year - (jan -  feb) ;)
> - libac3 has some sse optimization (by Nick & Atmos ?)
> 
> Why ASAP?
> - maintaining 2 libs for teh same purpose in paralell is waste of time
> 
[snip]
> A'rpi / Astral & ESP-team
> 
> --
> mailto:arpi at thot.banki.hu
> http://esp-team.scene.hu
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> 


Best regards! Nick



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