Re: [Linphone-developers] oddities with Linphone's handling of USB camera / microphone

[Jim Diamond]

On Fri, Jul 17, 2009 at 19:09 (-0300), Jim Diamond wrote:

> On Fri, Jul 17, 2009 at 23:15 (+0200), Simon Morlat wrote:

> Hi Simon,

>> It seems that the video stream you receive is seriously damaged.
> Indeed!

>> Apparently the network mtu between the two phones is uncommon.
> OK, it probably is.  I had a VPN running between my home and my wok
> LAN, and the MTU of the VPN interface is (according to ifconfig) 1356,
> compared to 1500 for my wireless interface.

> So I tried the program without the VPN, and this time it worked (with
> some complaints, see below).
Forgot to include them, for what they are worth...

linphone-message : No authentication info in the request, ignoring
linphone-message : bandwidth usage: audio=[d=0.0,u=0.0] video=[d=0.0,u=0.0] kbit
/sec
linphone-message : alsa_open_r: opening default at 16000Hz, bits=16, stereo=0
linphone-message : Emitting I-frame
linphone-warning : alsa_set_params:[mpeg4 @ 0x98e03b8]ac-tex damaged at 4 6
[mpeg4 @ 0x98e03b8]Error at MB: 142
[mpeg4 @ 0x98e03b8]concealing 310 DC, 310 AC, 310 MV errors
[mpeg4 @ 0x98e03b8]header damaged
[mpeg4 @ 0x98e03b8]ac-tex damaged at 9 9
[mpeg4 @ 0x98e03b8]Error at MB: 216
[mpeg4 @ 0x98e03b8]marker does not match f_code
[mpeg4 @ 0x98e03b8]marker does not match f_code
[mpeg4 @ 0x98e03b8]concealing 244 DC, 244 AC, 244 MV errors
[mpeg4 @ 0x98e03b8]concealing 41 DC, 41 AC, 41 MV errors
[mpeg4 @ 0x98e03b8]ac-tex damaged at 3 10
[mpeg4 @ 0x98e03b8]Error at MB: 233
[mpeg4 @ 0x98e03b8]marker does not match f_code
[mpeg4 @ 0x98e03b8]marker does not match f_code
[mpeg4 @ 0x98e03b8]concealing 227 DC, 227 AC, 227 MV errors
[mpeg4 @ 0x98e03b8]header damaged
 The period size 512 is not supported by your hardware.
 ==> Using 341 instead.
linphone-warning : alsa_set_params: periodsize:512 Using 341
linphone-warning : alsa_set_params: period:8 Using 8
linphone-message : synchronizing timestamp, diff=1120
linphone-warning : alsa_set_params: The period size 512 is not supported by 
your hardware.
 ==> Using 341 instead.
linphone-warning : alsa_set_params: periodsize:512 Using 341
linphone-warning : alsa_set_params: period:8 Using 8
linphone-message : bandwidth usage: audio=[d=18.7,u=35.0] 
video=[d=0.0,u=190.2]kbit/sec
linphone-message : bandwidth usage: audio=[d=33.2,u=30.2] 
video=[d=314.1,u=7.8]kbit/sec
linphone-message : bandwidth usage: audio=[d=29.7,u=37.3] 
video=[d=278.4,u=7.4]kbit/sec
linphone-message : bandwidth usage: audio=[d=40.9,u=34.6] 
video=[d=368.7,u=25.1] kbit/sec
linphone-message : bandwidth usage: audio=[d=34.0,u=34.5] 
video=[d=286.4,u=104.8] kbit/sec
linphone-warning : ms_AVdecoder_process: error -1.
linphone-message : video_steam_process_rtcp: receiving RTCP SR
linphone-message : interarrival jitter=1309 , lost packets percentage since 
last report=0.000000
linphone-message : bandwidth usage: audio=[d=44.3,u=34.4] 
video=[d=319.0,u=17.7] kbit/sec
linphone-message : bandwidth usage: audio=[d=32.4,u=32.3] 
video=[d=380.9,u=11.3] kbit/sec
linphone-warning : ms_AVdecoder_process: error -1.
linphone-message : DNS resolution with 131.162.131.135:5060
linphone-message : getaddrinfo returned the following addresses:
linphone-message : 131.162.131.135 port 5060
linphone-message : eXosip: here is the resolved destination host=131.162.131.135
linphone-message : allocating transaction ressource 5 912637447
linphone-message : allocating NICT context
linphone-message : DNS resolution with 131.162.131.135:5060
linphone-message : getaddrinfo returned the following addresses:
linphone-message : 131.162.131.135 port 5060
linphone-message : Message sent: (to dest=131.162.131.135:5060)
BYE sip:address@hidden:5060 SIP/2.0^M
Via: SIP/2.0/UDP 192.168.1.3:5060;rport;branch=z9hG4bK1706677557^M
From: Jim Diamond <sip:address@hidden>;tag=1695832454^M
To: <sip:address@hidden>;tag=1168824062^M
Call-ID: 912637447^M
CSeq: 21 BYE^M
Contact: <sip:address@hidden:5060>^M
Max-Forwards: 70^M
User-Agent: Linphone/3.0.0 (eXosip2/3.1.0)^M
Content-Length: 0^M
^M

linphone-message : cb_sndbye (id=5)
linphone-message : eXosip: timer sec:0 usec:100000!
linphone-message : oRTP-stats:
   Audio session's RTP statistics :
linphone-message :  number of rtp packet sent=341
linphone-message :  number of rtp bytes sent=18662 bytes
linphone-message :  number of rtp packet received=344
linphone-message :  number of rtp bytes received=19975 bytes
linphone-message :  number of incoming rtp bytes successfully delivered to the 
application=17586
linphone-message :  number of times the application queried a packet that 
didn't exist=688
linphone-message :  number of rtp packet lost=0
linphone-message :  number of rtp packets received too late=38
linphone-message :  number of bad formatted rtp packets=0
linphone-message :  number of packet discarded because of queue overflow=0
linphone-message : ms_filter_unlink: 
MSAlsaRead:0x98fa070,0-->MSSpeexEnc:0x98fa140,0
linphone-message : ms_filter_unlink: 
MSDtmfGen:0x98f3f48,0-->MSAlsaWrite:0x98fa0c8,0
linphone-message : ms_filter_unlink: 
MSSpeexEnc:0x98fa140,0-->MSRtpSend:0x98f6d30,0
linphone-message : ms_filter_unlink: 
MSRtpRecv:0x98fe818,0-->MSSpeexDec:0x98fa1a0,0
linphone-message : ms_filter_unlink: 
MSSpeexDec:0x98fa1a0,0-->MSDtmfGen:0x98f3f48,0
linphone-message : MSTicker thread exiting
linphone-message : oRTP-stats:
   Video session's RTP statistics :
linphone-message :  number of rtp packet sent=14
linphone-message :  number of rtp bytes sent=14577 bytes
linphone-message :  number of rtp packet received=202
linphone-message :  number of rtp bytes received=245286 bytes
linphone-message :  number of incoming rtp bytes successfully delivered to the a
pplication=240711
linphone-message :  number of times the application queried a packet that 
didn't exist=688
linphone-message :  number of rtp packet lost=0
linphone-message :  number of rtp packets received too late=0
linphone-message :  number of bad formatted rtp packets=0
linphone-message :  number of packet discarded because of queue overflow=0