Re: [GnomeMeeting-devel-list] Jitter Buffer problems

[Damien Sandras <dsandras seconix com>]

Hi Jan,

Le vendredi 06 mai 2005 à 23:40 +0200, Jan Schiefer a écrit :
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> Hi Damien.
> 
> I hope you read this when you come back from your time-out.
> 

Sure!

> I found 2 problems, concerning the jitter buffer. One minor and one
> major one.
> 
> I. Crash after abnormal termination of the the jitter-buffer thread
> 
> This is a minor problem. I called some other guy ( h323 ) and just one
> sec after the connection was esambilished the other guy hung up. Then a
> message box popped up, telling me something about an abnormal
> termination of the jitter buffer thread. I clicked on "Ok" and just
> after that gnomemeeting crashed while cleaning up the remains of the
> previous connection.
> 
> However, sadly I was not able to reproduce this crash.
> 


when you can reproduce it, please try to capture a backtrace. I will try
on my side too.

> II. H323 jitter buffer broken
> 
> Note: This happens only with H323 connections, so I suspect a bug in the
> openh323 library. SIP calls work just fine.
> In short: When I call some guy with H323 he can hear and understand me
> fine, but the sound from his side is like the guy's got a stutter. You
> hear the sound but you really don't understand a word. The packet flow
> is normal with no serious latency.
> This is a serious problem.
> 

Are you sure the call was not using iLBC? iLBC is broken in OPAL and it
could explain your problem.

Thanks,
-- 
 _      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