[Asterisk-video] Video call-in, Unable to find a codec translation path from unknown to unknown

Fri Apr 17 05:39:31 CDT 2009

Hello Sergio

I use:
   asterisk-1.4.13
   chan_ss7
   libh324m (revision 244)
   amr (  http://sip.fontventa.com/ )
   videocodec_nego_fix_ast-1.4.13.patch (
 http://bugs.digium.com/view.php?id=9815 )

I want to provide video camera to 3G network.
I have a working app_mp4, but app_transcoder don't work for me...
Unable to find a codec translation path from unknown to unknown ...

My dialplan:
[incoming-ss7]
exten => 003633379,1,h324m_gw(s at webcamera)
[webcamera]
exten => 
s,1,transcode(,s at camera,h263 at qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50)
[camera]
exten => s,1,rtsp(rtsp://192.168.1.49:554/test.sdp)
exten => s,n,HangUp

My test video source
vlc -vvv '/tmp/sample.3gp' --sout
"#transcode{venc=x264,vcodec=x264,width=176,height=144,vb=51,acodec=alaw,ab=
8,channels=1,samplerate=8000}:rtp{dst=192.168.1.49,port=554,sdp='rtsp://192.
168.1.49:554/test.sdp'}"

One more: amr patch conflicts with videocodec_nego_fix patch near "[96] =
{1, AST_FORMAT_H264}," (main/rtp.c)

log file:
    -- Recv IAM CIC=1    ANI=XXXXXXXXXX DNI=003633379 RNI= redirect=no/0
complete=1
[Apr 16 23:57:20] DEBUG[23362]: l4isup.c:2805 process_iam: IAM cic=1,
owner=0x00000000
  == Setting global variable 'TRANSFERCAPABILITY' to 'DIGITAL'
[Apr 16 23:57:20] DEBUG[23362]: l4isup.c:1625 check_iam_sam: Setting
iam.dni.complete
[Apr 16 23:57:20] DEBUG[23362]: l4isup.c:413 mtp_enqueue_isup_packet: Queue
packet CIC=1, len=10, linkset='1', link='11', slinkset='1', slink='11'
[Apr 16 23:57:20] DEBUG[32571]: pbx.c:1809 pbx_extension_helper: Launching
'h324m_gw'
    -- Executing [003633379 at incoming-ss7:1] h324m_gw("SS7/1/1",
"s at webcamera") in new stack
[Apr 16 23:57:20] DEBUG[32571]: app_h324m.c:834 app_h324m_gw: h324m_gw
[Apr 16 23:57:20] DEBUG[32571]: channel.c:3616
ast_channel_inherit_variables: Not copying variable
STACK-incoming-ss7-003633379-1.
[Apr 16 23:57:20] DEBUG[32572]: pbx.c:1809 pbx_extension_helper: Launching
'transcode'
    -- Executing [s at webcamera:1] transcode("Local/s at webcamera-cee6,2",
"|s at camera|h263 at qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50") in new stack
[Apr 16 23:57:20] DEBUG[32572]: channel.c:3616
ast_channel_inherit_variables: Not copying variable STACK-webcamera-s-1.
[Apr 16 23:57:20] DEBUG[23362]: mtp.c:1944 mtp_thread_main: Queue MSU,
lsi=0, last_send_ix=0, linkset=1, m->link=11
[Apr 16 23:57:20] DEBUG[23362]: mtp.c:1652 mtp2_fill_zaptel_buf: Sending
buffer to zaptel len=14, on link '11' bsn=110, fsn=122.
[Apr 16 23:57:20] DEBUG[32573]: pbx.c:1809 pbx_extension_helper: Launching
'rtsp'
    -- Executing [s at camera:1] rtsp("Local/s at camera-1fbc,2",
"rtsp://192.168.1.49:554/test.sdp" <rtsp://192.168.1.49:554/test.sdp> ) in
new stack
[Apr 16 23:57:20] WARNING[32573]: app_rtsp.c:1039 rtsp_play: >rtsp play
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:291 GetUdpPorts: -GetUdpPorts
[54872,54874]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:310 GetUdpPorts: -GetUdpPorts
[54874,54876]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:310 GetUdpPorts: -GetUdpPorts
[54876,54877]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:291 GetUdpPorts: -GetUdpPorts
[54878,54879]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:427 RtspPlayerDescribe: >DESCRIBE
[/test.sdp]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:449 RtspPlayerDescribe: <DESCRIBE
[/test.sdp]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1088 rtsp_play: -rtsp play loop
[0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1167 rtsp_play: -Receiving
describe
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1167 rtsp_play: -Receiving
describe
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [v=0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [o=-
14812869072265155191 14812869072265155191 IN IP4 spioner]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [s=Unnamed]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [i=N/A]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [c=IN IP4
192.168.1.49]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [t=0 0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [a=tool:vlc
0.9.9a]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [a=recvonly]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line
[a=type:broadcast]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line
[a=charset:UTF-8]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line
[a=control:rtsp://192.168.1.49:554/test.sdp]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [m=audio
50000 RTP/AVP 8]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:696 CreateMedia: -creating media
[1,m=audio 50000 RTP/AVP 8]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [b=AS:128]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [b=RR:0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [a=rtpmap:8
PCMA/8000]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line
[a=control:rtsp://192.168.1.49:554/test.sdp/trackID=0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [m=video
50002 RTP/AVP 96]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:696 CreateMedia: -creating media
[1,m=video 50002 RTP/AVP 96]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [b=AS:51]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [b=RR:0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [a=rtpmap:96
H264/90000]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line [a=fmtp:96
packetization-mode=1;profile-level-id=4d4032;sprop-parameter-sets=Z01AMpp0Fi
dgQgAAAwACAAADACkeMGVA,aO48gA==;]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:751 CreateSDP: -line
[a=control:rtsp://192.168.1.49:554/test.sdp/trackID=1]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1226 rtsp_play: -audio
[8,8,rtsp://192.168.1.49:554/test.sdp/trackID=0]
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1247 rtsp_play: -video
[2097152,96,rtsp://192.168.1.49:554/test.sdp/trackID=1]
[Apr 16 23:57:20] DEBUG[32573]: channel.c:3024 set_format:
chan=Local/s at camera-1fbc,2 format=00000000 (with video & text = 00000000)
native=00582000 in dir. Write
[Apr 16 23:57:20] WARNING[32573]: channel.c:3034 set_format: Unable to find
a codec translation path from unknown to unknown
[Apr 16 23:57:20] ERROR[32573]: app_rtsp.c:1275 rtsp_play: No media found
[Apr 16 23:57:20] DEBUG[32573]: app_rtsp.c:1511 rtsp_play: -rtsp_play end
loop [0]

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