Re: [GnomeMeeting-list] Problems with ekiga.

[Damien Sandras <dsandras seconix com>]

Le mardi 09 mai 2006 à 00:53 +0200, Hannes Ebner a écrit :
> Damien Sandras wrote:
> >>With libasound2 1.0.11 the sound is bad, no matter whether I use a
> >>.asoundrc or not. Ekiga tends to crash or hang in addition to playing
> >>bad sound.
> > 
> > Have you used the "DEFAULT" device defined in .asoundrc?
> 
> Yes. If I use the physical device for both input and output the sound is
> ok, so it is definitely a DMIX/DSNOOP issue.
> 
> I tried configuring Ekiga with input set to the hardware device and
> output set to default, but it's the same problem.
> 
> >>Other applications using DMIX through the default interface work fine.
> >>(At least playback, I didn't try recording and playing at the same time.)
> > 
> > Which is the big difference.
> 
> I tried now X-Lite with wine, and Skype (...). Wine is configured to use
> DMIX/DSNOOP, Skype uses artsdsp, arts uses alsa/default.
> 
> - X-Lite: sound quality was ok, but after ending the connection the
> application just hung. I had to kill it, similar behavior to Ekiga, just
> the sound was better.
> 
> - Skype: I called the echo service, the first call was ok, sound in both
> directions and in good quality. I tried a second call but I couldn't
> hear anything anymore. Could be a problem with artsdsp, but I tend to
> blame DMIX.
> 
> No matter what I do, applications which use DMIX *and* DSNOOP become
> unstable (occasionally with choppy sound, e.g. Ekiga). If an application
> uses output only, everything is ok.
> 
> I'm sort of perplexed. The default DMIX does not work, neither does a
> manually configured DMIX. DMIX broken with libasound2 1.0.11 and special
> constellations of hardware? I'm using the module snd-intel8x0 with an
> ICH4 chipset.
> 
> Perhaps I wait for the next libasound release and upgrade from 1.0.10 to
> 1.0.12 to try again.
> 

Does something like :
arecord -c 1 -f S16_LE -r 8000 -D plug:hw | aplay -c 1 -D plug:hw
work correctly (using DMIX or Default instead of plug:hw)
-- 
 _      Damien Sandras
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