[MPlayer-dev-eng] Mplayer Faad Performance -ARM Zaurus

[Dominik 'Rathann' Mierzejewski]

On Wednesday, 22 October 2003, Arpi wrote:
> Hi,
> 
> > Is faad2  impossible to play AAC in arm cpu  because of the complexity of
> > mpeg4 aac lc ?
> 
> it's (probably) impossible because of the lack of FPU (floating point
> arihtmetic) in ARM CPUs. someone should write an AAC decoder using integer
> arithmetic only (i mean fixed point and such tricks)
> 
> also, for mp3 you should try -ac ffmp3, it's integer-only decoder, should be
> faster than mp3lib and libmad.

libmad is integer-only, too:
$ man madplay
[...]
Among  the  special features of MAD are 24-bit PCM resolution and 100%
fixed-point (integer) computation. Since MAD is implemented entirely
without the use of floating point arithmetic, it performs especially
well on architectures without an FPU.
[...]

-- 
MPlayer RPMs maintainer: http://www.piorunek.pl/~dominik/linux/pkgs/mplayer/
"The Universe doesn't give you any points for doing things that are easy."
        -- Sheridan to Garibaldi in Babylon 5:"The Geometry of Shadows"