[asterisk-users] Embedded Asterisk

[Stelios Koroneos]

> Has anybody out there, on non-FPU embedded platorms, made any good use
> of things like ilbc and Speex?
>

The exisiting implementations of both run very poorly on a non-fpu cpu's,
especialy if clock speed < 400 Mhz
I have run asterisk (and still do) on mips,ixp and powerpc (all without
fpu's) and i think that without modifications the codecs are not so usable
There are 3 options
1) Get a faster fp library - Been looking into the GoFast fp lib, no
definate results yet
2) Convert codecs to fixed point - Although i know a G729  fixed point
implementation exists haven't tested and i am not sure that a speex or ilbc
implementation exists.
4) Get a cpu with fpu :) - There are mips and powerpc cpu's (i am talking
the types used in embedded dev's) that have an fpu

I will be also at Astricon and brinking with me a powerpc based embedded
asterisk appliance  which has support for zaptel also.
Maybe we could exchange some ideas on the matter.


Stelios