[Freeswitch-users] Skypiax snd-dummy, One way audio

[Giovanni Maruzzelli]

Hi Max,

on centos 5.3 is working well, but it will consume much cpu time. If
you are planning to use few skype channels, then ok.
If you want to "scale", you must use a kernel at 100HZ, there is a
.config file in the mod_skypiax sources in the subdirectory kernel,
and instructions in the wiki page.

You can keep your same centos running, just with the new compiled kernel.

That said, for few channels will be ok.

You have to use the last static build of beta skype (.2.1.0.81).

In your case you will use the:
c) Dummy, Dummy PCM (hw:1,0)
device.

check with dmesg if the module is running properly, it will add a line
were it tells on how many HZ is running. If there is not that line,
the custom snd-dummy is not loaded.

Also, you can test with
aplay -l
if it show you a soundcard with 127 subdevices, you're ok.

Please svn update mod_skypiax directory 'cause last change was few
minutes ago ;).

Let know if you still encounter problems, you can find me in IRC
(irc.freenode.net #freeswitch) as gmaruzz, if you need,

ciao for now,

-giovanni


On Thu, Feb 18, 2010 at 7:26 PM, Max Bridgewater
<max.bridgewater at gmail.com> wrote:
> Hi Skypiax Lovers,
>
> I'm trying to get Skypiax running on CentOS5.3 but I keep having
> problems with snd-dummy. My problem is that I have sound only in one
> direction (inbound). I suspect the sound devices are not set properly.
> In particular, I can't find "hw:dummy"  in the Skype options (Static
> Build 2.1).
>
> Here are the sound devices I see in Skype options:
> a) Dummy, Dummy, PCM Default Audio 0default:CARD=Dummy)
> b) HDA Intel, ALC662 Analog (hw:0,0)
> c) Dummy, Dummy PCM (hw:1,0)
> d) hdmi (unlnown)
>
> Here is what i notice:
>
> 1) modprobe snd-dummy returns nothing; implying to me that the module
> was loaded properly.
> 2) lsmod | grep "snd" returns:
>
> snd_dummy              15553  0
> snd_hda_intel         343537  0
> snd_hwdep              12869  1 snd_hda_intel
> snd_seq_dummy           7877  0
> snd_seq_oss            32577  0
> snd_seq_midi_event     11073  1 snd_seq_oss
> snd_seq                49585  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
> snd_seq_device         11725  3 snd_seq_dummy,snd_seq_oss,snd_seq
> snd_pcm_oss            42817  0
> snd_mixer_oss          19009  1 snd_pcm_oss
> snd_pcm                72133  3 snd_dummy,snd_hda_intel,snd_pcm_oss
> snd_timer              24517  2 snd_seq,snd_pcm
> snd                    55237  10
> snd_dummy,snd_hda_intel,snd_hwdep,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
> soundcore              11553  1 snd
> snd_page_alloc         14281  2 snd_hda_intel,snd_pcm
>
> Any idea?
> Thanks,
> Max.
>
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-- 
Sincerely,

Giovanni Maruzzelli
Cell : +39-347-2665618