[Gpe-list] [RFC] Replacing esound-gpe with pulseaudio

[Rob Taylor]

Florian Boor wrote:
> Hi,
> 
> Koen Kooi schrieb:
>> Esound is showing its age nowadays (and especially the 5 year old for gpe has in svn), so
>> could we please switch to pulseaudio? pulse is a drop-in replacement for esound, but has a
>> lot more features. What do you think?
> 
> sounds like a good idea - i must admit that i do not know much about pulseaudio
> but replacing our current esd stuff with some actively developed and maintained
> code might be a good idea. How does the size pulseaudio compare with esound?
> Does it use the same namespace?
> 

Another thing needs to be considered for using pulseaudio on embedded -
it currently uses libsamplerate [1] for its resampling which uses
floating point. We would either need a drop-in fixed point replacement
for libsamplerate (possibly based off resample [2]), or persuade
libsamplerate upstream to take patches to enable using fixed-point math.


Thanks,
Rob Taylor

[1] http://www.mega-nerd.com/SRC/
[2]
http://ccrma-www.stanford.edu/~jos/resample/Free_Resampling_Software.html