Re: [GnomeMeeting-list] Gnomemeeting to netmeeting choppy audio/video.

[Damien Sandras <dsandras seconix com>]

Le lundi 22 août 2005 à 11:06 +0200, jo de baer a écrit :
> Bonjour,
> 
> in the available codecs section, are checked :
> iLBC-13k3, MS-GSM, SpeexNarrow-15k, iLBC-15k2, GSM-06.10, SpeexNarrow-8k, 
> G.726-32k, G.711-uLaw-64k and G.711-ALaw-64k.
> 
> All the other are not checked. But how do you know which one is used? "-d 4" ? 

in the general history. If it is G.711, that can explain the problem.

> The jitter buffer is between 20 and 500ms (default setting).
> 
> For video codecs the settings are 8kB/s, and 42 bg transmits. But playing with 
> those didn't change it :-).
> 
> Indeed ... will check dmeg. Gqcam doesn't have the choppyness, only GM. Can 
> you adise other ways of checking what is going on? 
> 

GQCam doesn't use the same video palette. What release of GM is this?

> Are the video and audio "related" ? I mean : could the choppyness of the video 
> explain the choppyness of the audio I send out?

Yes, it could.

> 
> Thanks so far !!
> 
> Jo
> 
> 
> 
> 
> 
> 
> On Monday 22 August 2005 09:49, Damien Sandras wrote:
> > Le lundi 22 août 2005 à 09:08 +0200, jo de baer a écrit :
> > > Hi all,
> > >
> > > I am trying to set up a netmeeting - gnomemeeting connection (Netmeeting
> > > to netmeeting works fine).
> > >
> > > Problem is that netmeeting person hears my audio choppy almost all the
> > > time, likewise for the video. I hear and see her fine. The connection is
> > > also lost quite often (recall needed). So the problem seems to be totally
> > > on my side.
> >
> > What codecs are you using?
> >
> > > I must say even without a connection, gnomemeeting starts showing local
> > > video very choppy at regular times. Stracing it, the poll() call just
> > > takes way more time app. from two minutes afer launching GM. Can it be
> > > that this is related to the choppy audio?
> >
> > It could be. Have you checked the dmesg output? It could be a probelm
> > with the USB bus, or the camera. It shouldn't be choppy when there is no
> > call.
> >
> > > Technical info about my machine :
> > >
> > > Dell D800 with Intel 82801 DB-ICH4 audio. Webcam is new model Quickcam
> > > Logitech express (bad buy I guess), so I am using the
> > > spca5xx-20050701 driver for that.
> > >
> > > Linux version is SuSE 9.3, so kernel 2.6.11.etc .
> > >
> > > Rpms : openh323-1.15.2-3, gnomemeeting-1.2.1-4.
> > >
> > > Thanks for any help with this :-)
> > >
> > > Jo
> > >
> > > PS: what is strange is that while testing the setup with the 2 computer
> > > cross-connected, I also had choppiness in the audio sent to the
> > > netmeeting when netmeeting send a large image to me. Making netmeeting
> > > send a small video capture to gnomemeeting improved the audio sent from
> > > gnomemeeting to netmeeting. Did the large video cause CPU load on the
> > > gnomemeeting machine? But right now the problem is also there with a
> > > smaller image :-/
> 
-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
//\     FOSDEM 2005 : http://www.fosdem.org
v_/_    H.323 phone : callto:ils.seconix.com/dsandras seconix com