Re: [GnomeMeeting-list] Help troubleshooting Gnomemeeting



le jeu 10-01-2002 à 03:49, Erik Reuter a écrit :
> I'm running GnomeMeeting 0.12.2, Linux kernel 2.4.17, ALSA sound        
> module, and a WinTV model 401 video capture card with a BT878 chip. My  
> computer is connected to a D-Link DI-713P cable router/firewall which   
> is connected to a cable modem (Optimum Online ISP) but my Linux box is  
> on the "DMZ" IP of the D-Link, meaning that the firewall is supposed to 
> pass all the packets on to my Linux box (no filtering, theoretically).  
> 
> I am trying to make an audio/video connection with Andy. We can make a  
> connection (either one of us can call the other), and my computer can   
> send video and audio which Andy is able to receive (i.e., Andy can see  
> and hear me). But I receive neither video nor audio from Andy. Andy     
> is also running Gnomemeeting 0.12.2 and ALSA, has video transmission    
> enabled, and Andy's Gnomemeeting can read the camera and display it     
> locally. Also, Andy is able to record and playback sound with sox,      
> but I cannot receive any sound from Andy when we are connected with     
> Gnomemeeting (i.e., I cannot see or hear Andy).                         
> 

Perhaps that Andy has a broken configuration for Audio. However, for
video, it should work.

> I suspected that some of the ports that Gnomemeeting was trying to      
> use might not be working, possibly due to the DLink not working, or     
> my cable modem ISP blocking some ports. I read the ports listed in      
> the Gnomemeeting FAQ, but those don't seem to be the only ports that    
> Gnomemeeting is using. We noticed, by using "netstat" that Gnomemeeting 
> seemed to use "random" ports on each connection. It always used 1720    
> (and my computer was accepting connections on 1720), but Gnomemeeting   
> also used some other that I couldn't figure out (and weren't listed in  
> the FAQ). Unfortunately, I didn't write the numbers down the last time  
> we tried it.                                                            

Well, GnomeMeeting uses the port that are in the FAQ. You should try to
enable H.245 Tunneling and Andy too. It will remove a port.
If you enable H.245 Tunneling, GnomeMeeting should only use 1720 and
some random UDP ports for audio and video. There are no other ports.
> 
> Can someone give me some assistance or suggestion with troubleshooting  
> this? What program(s) would you suggest I use to check the packets and  
> where they are/aren't going? What ports should I be checking for being  
> open?                                                                   
> 

1720, and UDP 5000-5001. (OpenH323 tries those random ports from 5000,
and there is one for audio and one for video).

> Would anyone be willing to connect with me using Gnomemeeting to help   
> me troubleshoot this?                                                   

Yes, please go on the IRC channel, #gnomemeeting, server irc.gnome.org
I'm not present, but there are several people there that could help you.

> 
> Here is my config file:
> 
> 
> [VideoSettings]                                                                     
> video_size=0                                                                        
> video_format=1                                                                      
> transmitted_video_quality=5                                                         
> transmitted_fps=30                                                                  
> received_video_quality=3                                                            
> transmitted_update_blocks=2                                                         
> video_transmission=1                                                                
> tr_fps=15                                                                           
> fps=0                                                                               
> vb=0                                                                                
> video_bandwidth=0                                                                   
>                                                                                     
> [UserSettings]                                                                      
> firstname=Erik                                                                      
> surname=Reuter                                                                      
> mail=ereuter erikreuter net                                                         
> comment=need to test my videoconferncing setup                                      
> location=New Jersey                                                                 
> listen_port=1720                                                                    
> notfirst=1                                                                          
> version=122                                                                         
>                                                                                     
> [GeneralSettings]                                                                   
> show_splash=1                                                                       
> show_notebook=1                                                                     
> show_statusbar=1                                                                    
> incoming_call_sound=1                                                               
> show_docklet=1                                                                      
> enable_popup=1                                                                      
> show_quickbar=1                                                                     
> dnd=0                                                                               
> enable_auto_answer=0                                                                
> video_preview=1                                                                     
>                                                                                     
> [AdvancedSettings]                                                                  
> enable_fast_start=0                                                                 
> enable_h245_tunneling=0                                                             
> enable_auto_answer=1                                                                
> max_bps=20000                                                                       
> silence_detection=1                                                                 
> dnd=0                                                                               
> gsm_silence_detection=1                                                             
> g711_silence_detection=1                                                            
> jitter_buffer=50                                                                    
> gsm_frames=4                                                                        
> g711_frames=30                                                                      
>                                                                                     
> [LDAPSettings]                                                                      
> ldap=1                                                                              
> ldap_server=argo.dyndns.org                                                         
> ldap_port=389                                                                       
> ldap_servers_list=ils.advalvas.be:ils.netmeetinghq.com:argo.dyndns.org:             
>                                                                                     
> [EnabledAudio]                                                                      
> LPC10=0                                                                             
> GSM-06.10=0                                                                         
> G.711-uLaw-64k=1                                                                    
> G.711-ALaw-64k=1                                                                    
> MS-GSM=1                              
> 
> [Devices]                                                                           
> audio_player=/dev/dsp                                                               
> audio_recorder=/dev/dsp                                                             
> audio_player_mixer=/dev/mixer                                                       
> audio_recorder_mixer=/dev/mixer                                                     
> video_device=/dev/video0                                                            
> video_channel=2                                                                     
>                                                                                     
> [Placement]                                                                         
> Dock=Toolbar\\3,0,0,28\\Menubar\\0,0,0,0                                            
>                                                                                     
> [GKSettings]                                                                        
> gk=0                                                                                
> gk_host=                                                                            
> gk_id=                                                                              
>                                                                                    
> 
> ***
> 
> 
> Here is the startup messages from --debug
> 
> Gdk-WARNING **: locale not supported by C library
>   0:04.972                 gnomemeeting     h323caps.cxx(1372)  H323    Added capability: MS-GSM{sw} <1>
>   0:05.009                 gnomemeeting     h323caps.cxx(1372)  H323    Added capability: G.711-ALaw-64k{sw} <2>
>   0:05.021                 gnomemeeting     h323caps.cxx(1372)  H323    Added capability: G.711-uLaw-64k{sw} <3>
>   0:05.341                 gnomemeeting     h323caps.cxx(1372)  H323    Added capability: H.261-QCIF <4>
>   0:05.352                 gnomemeeting     h323caps.cxx(1372)  H323    Added capability: H.261-CIF <5>
>   0:06.004        H323 Listener:812a188   transports.cxx(1004)  H323    Awaiting TCP connections on port 1720
>   0:06.014        H323 Listener:812a188   transports.cxx(873)   TCP     Waiting on socket accept on ip$*:1720
> i
> 
> 
> 
> 
>  
> -- 
> "Erik Reuter" <ereuter erikreuter net>       http://erikreuter.com/
> _______________________________________________
> Gnomemeeting-list mailing list
> Gnomemeeting-list gnome org
> http://mail.gnome.org/mailman/listinfo/gnomemeeting-list
> 
-- 
 _	Damien Sandras
(o-	GnomeMeeting - H.323 Video-Conferencing application -
//\		web:  http://www.gnomemeeting.org/
v_/_	FOSDEM 2002  - Free Software and Open Source Developers Meeting -
		web:  http://www.fosdem.org/




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