Re: [GnomeMeeting-list] How to troubleshoot lost video

[derek indranet co nz]

Hi,
 Am back from holiday, and will add my 2 cents worth.

You report that video is stopping, Can I just point out the relevant 
features, and explain some more.

The times to read frame fromt he video source (156, 158, 177 ms) is the
time the LogChanTx:8cd0400 thread waited for the frame to be read.
Thus, you are running a frame rate of 1000/160, or 6 frames per second.

Can you run ohphone with the SDL display device, this camera, and does it
give the same result?

Try running  GnomeMeeting in trace level 5, you get more lines, and look 
around the place where it stops for clues.

> >   2:52.323	      LogChanTx:8cd0400	H261	Read frame from the video source.
> >   2:52.350	      LogChanRx:8cd0200	H245	Closing channel: R-2, state=Established

In the higher trace levels, you might get a clue as to why it closes the 
LogChanRx:8cd0200 thread.
It is this thread (LogChanRx:8cd0200) which displays received video.
If this thread stops, the Received video display will "freeze".

Derek.
===================================================

On 7 Mar 2003, Damien Sandras wrote:

> Apparently the H.245 channel is deciding to close the H.261 receive
> thread. But it doesn't tell why. My guess is that for one reason or
> another, the Radvision is closing it.
> 
> I've had several reports of people being happy of the GM interaction
> with Radvision, but to be honest, I think you are here on your own.
> I can't help much :(
> 
> If you can have debug output from the Radvision it could help too.
> 
> Le ven 07/03/2003 à 00:29, Kevin Oberman a écrit :
> > > From: Damien Sandras <dsandras seconix com>
> > > Sender: gnomemeeting-list-admin gnome org
> > > Date: 06 Mar 2003 23:15:05 +0100
> > > 
> > > I don't remember by heart, but h261codec.cxx related debug could help...
> > 
> > Ahh! It died about 5 seconds before I thought it had. From what little I
> > can see, it looks like GnomeMeeting is shutting it down, but I may not
> > be interpreting it correctly.
> > 
> > Here is the relevant section of the log:
> >   2:51.935	      LogChanRx:8cd0200	H323RTP	Receiver written timestamp 4229230164
> >   2:51.981	      LogChanTx:8cd0400	H261	Success. Read frame from the video source in 156 ms.
> >   2:51.984	      LogChanTx:8cd0400	H323RTP	Transmitter sent timestamp 2900898
> >   2:51.984	      LogChanTx:8cd0400	H261	Read frame from the video source.
> >   2:51.998	      LogChanTx:8cd0380	H323RTP	Transmitter sent timestamp 1270320
> >   2:52.142	      LogChanTx:8cd0400	H261	Success. Read frame from the video source in 158 ms.
> >   2:52.144	      LogChanTx:8cd0400	H261	Read frame from the video source.
> >   2:52.206	      LogChanRx:8cd0200	H323RTP	Receiver written timestamp 4229254464
> >   2:52.301	           gnomemeeting	RTP	Found existing session 1
> >   2:52.301	           gnomemeeting	RTP	Found existing session 2
> >   2:52.321	      LogChanTx:8cd0400	H261	Success. Read frame from the video source in 177 ms.
> >   2:52.323	      LogChanTx:8cd0400	H261	Read frame from the video source.
> >   2:52.350	      LogChanRx:8cd0200	H245	Closing channel: R-2, state=Established
> >   2:52.351	      LogChanRx:8cd0200	H245	Sending PDU: request requestChannelClose
> >   2:52.351	      LogChanRx:8cd0200	H323RTP	Receive H.261 thread ended
> > 
> > R. Kevin Oberman, Network Engineer
> > Energy Sciences Network (ESnet)
> > Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
> > E-mail: oberman es net			Phone: +1 510 486-8634
> > _______________________________________________
> > GnomeMeeting-list mailing list
> > GnomeMeeting-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gnomemeeting-list
> 

-- 
Derek Smithies Ph.D.
IndraNet Technologies Ltd.
Email: derek indranet co nz
ph +64 3 365 6485
Web: http://www.indranet-technologies.com/