OK,

I know this is an odd setup but it's what I'm currently using for a 
variety of strange reasons....

Anyway, it *should* technically work and I'm having issues so this may 
be indicative of a wider problem.

I'm using alsa-plugins 1.0.18rc3 so they have your latest alsa pulse 
rework patches.

I've also got your other patch that we discussed on IRC (remember and 
push this to alsa before 1.0.18 goes gold BTW!)


So what happens:


oggdec /usr/share/sounds/freedesktop/stereo/button-toggle-on.ogg -o 
button-toggle-on.wav

paplay button-toggle-on.wav (plays fine via pulse)
aplay button-toggle-on.wav (plays fine via alsa->pulse)
canberra-gtk-play -i button-toggle-on (crackles badly via alsa->pulse)

I've not tested via pulse directly (which is obviously preferred) but I 
want to work out why this crackling is soooo bad.

I'm not sure if it's the decoding of the ogg or the actual alsa layer in 
  libcanberra but as you've not noticed this yet, I'd imagine the alsa 
layer in libcanberra is the likely candidate.

I suspect there is just a tiny problem somewhere that's causing this, so 
wonder if you can offer any insight?

I'm not 100% convinced that the problem is even in libcanberra, it could 
be a wider problem with pulse and/or the alsa->pulse plugin.

If I can offer any help please let me know.

Col


-- 

Colin Guthrie
gmane(at)colin.guthr.ie
http://colin.guthr.ie/

Day Job:
   Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
   Mandriva Linux Contributor [http://www.mandriva.com/]
   PulseAudio Hacker [http://www.pulseaudio.org/]
   Trac Hacker [http://trac.edgewall.org/]

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