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List: asterisk-video
Subject: [Asterisk-video] rtp.c:1288 ast_rtp_read: Unknown RTP codec 126
From: lizhong zhu <zhulizhongum () yahoo ! com ! cn>
Date: 2008-12-24 2:21:54
Message-ID: 307999.29573.qm () web15203 ! mail ! cnb ! yahoo ! com
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--- On Wed, 12/24/08, lizhong zhu <zhulizhongum@yahoo.com.cn> wrote:
From: lizhong zhu <zhulizhongum@yahoo.com.cn>
Subject:
To: asterisk-video@lists.digium.com
Date: Wednesday, December 24, 2008, 10:20 AM
hello, all of users:
I am trying to test the app_transcoder from:
http://sip.fontventa.com/content/view/30/57/
i have installed all necessary packages and the package is loaded into asterisk.
i have tested the video calls using xlite. they worked. but when i try to from xlite \
to IP camera, it shows some errors, after then the system hangup. my IP camera \
supports MPEG4. according to the explantion from offical website:
------------------------------------------------------------------------------------------
Currently only MPEG4-ES to H263 is supported, H263 to H263 would be really soon.
The video encoding and decoding process is performed by libavcodec, so
if you're interested in including any other codec the library actually
supports, just contact me.
-----------------------------------------------------------------------------------------
here, my xlite uses H263, the IP camera uses MPEG4; does it works?
---------sip.conf-----------------------
[2000]
username=2000
type=friend
secret=123456
qualify=yes
host=dynamic
dtmfmode=rfc2833
context=from-internal
videosupport=yes
disable=all
allow=ulaw
allow=alaw
allow=h263
allow=h263p
nat=no
canreinvite=yes
----------extensions.conf----------------------
[from-internal]
exten => 200,1,Dial(SIP/200)
exten => 200,2,Hangup
exten => 202,1,Dial(zap/4)
exten => 202,2,Hangup
exten => 201,1,Answer
exten => 201,2,transcode(,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50)
exten => 201,3,HangUp
[camera]
exten => s,1,Answer
exten => s,2,rtsp(http://192.168.2.200/live.sdp)
;exten =>
s,2,rtsp(http://192.168.2.200/image/video.asf)
exten => s,3,HangUp
-------------error---------------------------------------------
Executing [201@from-internal:1] Answer("SIP/2000-086fb5b0", "") in new stack
-- Executing [201@from-internal:2] transcode("SIP/2000-086fb5b0", \
"|s@camera|h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50") in new stack
-- Executing [s@camera:1] Answer("Local/s@camera-a091,2", "") in new stack
-- Executing [s@camera:2] rtsp("Local/s@camera-a091,2", \
"http://192.168.2.200/image/video.asf") in new stack [Dec 24 10:02:54] WARNING[2800]: \
app_transcoder.c:966 app_transcode: >Transcoding \
[,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50] [Dec 24 10:02:54] \
WARNING[2800]: app_transcoder.c:966 app_transcode: >Transcoding \
[,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50] [Dec 24 10:02:54] \
DEBUG[2800]: app_transcoder.c:497 VideoTranscoderCreate: -Transcoder \
[f=0,fps=10,kb=53248,qmin=4,qmax=12,gs=50] [Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 \
ast_rtp_read: Unknown RTP codec 126 received from '192.168.2.111' [Dec 24 10:02:55] \
NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received from \
'192.168.2.111' [Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP \
codec 126 received from '192.168.2.111' [Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 \
ast_rtp_read: Unknown RTP codec 126 received from '192.168.2.111' [Dec 24 10:02:55] \
NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received from \
'192.168.2.111' [Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP \
codec 126 received from '192.168.2.111' Segmentation fault (core dumped)
[root@bogon ~]#
----------------------------------------------------------
one more thing confused is this:
exten => s,2,rtsp(http://192.168.2.200/live.sdp)
in my
understanding is that, rtsp will send images to that IP, but what is live.sdp?
is there any doc for the implemntation.
any one has an idea for that, please give me a hint!
thanks!
[Attachment #5 (text/html)]
<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: \
inherit;"><br><br>--- On <b>Wed, 12/24/08, lizhong zhu \
<i><zhulizhongum@yahoo.com.cn></i></b> wrote:<br><blockquote \
style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: \
5px;">From: lizhong zhu <zhulizhongum@yahoo.com.cn><br>Subject: <br>To: \
asterisk-video@lists.digium.com<br>Date: Wednesday, December 24, 2008, 10:20 \
AM<br><br><div id="yiv1914511271"><table border="0" cellpadding="0" \
cellspacing="0"><tbody><tr><td style="font-family: inherit; font-style: inherit; \
font-variant: inherit; font-weight: inherit; font-size: inherit; line-height: \
inherit; font-size-adjust: inherit; font-stretch: inherit; -x-system-font: none;" \
valign="top">hello, all of users:<br>I am trying to test the \
app_transcoder from:<br>http://sip.fontventa.com/content/view/30/57/<br>i \
have installed all necessary packages and the package is loaded into asterisk. <br>i \
have tested the video calls using xlite. they worked. but when i try to from xlite to \
IP camera, it shows some errors, after then the system hangup. my IP camera supports \
MPEG4. according to the explantion from offical \
website:<br>------------------------------------------------------------------------------------------<br>Currently \
only MPEG4-ES to H263 is supported, H263 to H263 would be really soon.<br> The video \
encoding and decoding process is performed by libavcodec, so if you're interested in \
including any other codec the library actually supports, just contact \
me.<br>-----------------------------------------------------------------------------------------<br>here, \
my xlite uses H263, the IP camera uses MPEG4; does it \
works?<br>---------sip.conf-----------------------<br>[2000]<br>username=2000<br>type= \
friend<br>secret=123456<br>qualify=yes<br>host=dynamic<br>dtmfmode=rfc2833<br>context= \
from-internal<br>videosupport=yes<br>disable=all<br>allow=ulaw<br>allow=alaw<br>allow= \
h263<br>allow=h263p<br>nat=no<br>canreinvite=yes<br>----------extensions.conf----------------------<br>[from-internal]<br>exten \
=> 200,1,Dial(SIP/200)<br>exten => 200,2,Hangup<br>exten => \
202,1,Dial(zap/4)<br>exten => 202,2,Hangup<br>exten => 201,1,Answer<br>exten \
=> 201,2,transcode(,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50)<br>exten \
=> 201,3,HangUp<br>[camera]<br>exten => s,1,Answer<br>exten => \
s,2,rtsp(http://192.168.2.200/live.sdp)<br>;exten => \
s,2,rtsp(http://192.168.2.200/image/video.asf)<br><br>exten => \
s,3,HangUp<br>-------------error---------------------------------------------<br> Executing \
[201@from-internal:1] Answer("SIP/2000-086fb5b0", "") in new \
stack<br> -- Executing [201@from-internal:2] \
transcode("SIP/2000-086fb5b0", \
"|s@camera|h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50") in new \
stack<br> -- Executing [s@camera:1] Answer("Local/s@camera-a091,2", \
"") in new stack<br> -- Executing [s@camera:2] \
rtsp("Local/s@camera-a091,2", "http://192.168.2.200/image/video.asf") in new \
stack<br>[Dec 24 10:02:54] WARNING[2800]: app_transcoder.c:966 app_transcode: \
>Transcoding [,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50]<br>[Dec 24 \
10:02:54] WARNING[2800]: app_transcoder.c:966 app_transcode: >Transcoding \
[,s@camera,h263@qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50]<br>[Dec 24 10:02:54] \
DEBUG[2800]: app_transcoder.c:497 VideoTranscoderCreate: -Transcoder \
[f=0,fps=10,kb=53248,qmin=4,qmax=12,gs=50]<br>[Dec 24 10:02:55] NOTICE[2800]: \
rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received from '192.168.2.111'<br>[Dec \
24 10:02:55] NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received \
from '192.168.2.111'<br>[Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 ast_rtp_read: \
Unknown RTP codec 126 received from '192.168.2.111'<br>[Dec 24 10:02:55] \
NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received from \
'192.168.2.111'<br>[Dec 24 10:02:55] NOTICE[2800]: rtp.c:1288 ast_rtp_read: Unknown \
RTP codec 126 received from '192.168.2.111'<br>[Dec 24 10:02:55] NOTICE[2800]: \
rtp.c:1288 ast_rtp_read: Unknown RTP codec 126 received from \
'192.168.2.111'<br>Segmentation fault (core dumped)<br>[root@bogon \
~]#<br>----------------------------------------------------------<br>one more thing \
confused is this:<br>exten => s,2,rtsp(http://192.168.2.200/live.sdp)<br>in my \
understanding is that, rtsp will send images to that IP, but what is live.sdp?<br>is \
there any doc for the implemntation. <br>any one has an idea for that, please give me \
a hint!<br>thanks!<br></td></tr></tbody></table><br>
</div></blockquote></td></tr></table><br>
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