Hi,
I've followed the "Martin's tutorial":
http://www.ethereal.com/lists/ethereal-users/200401/msg00264.html in
order to save the audio/video RTP streams and then replay with the
rtpplay utility.
I can replay the video stream in JMStudio but not the audio stream
(perhaps by some codec problem) but I can replay neither video nor
audio streams with Quicktime player.
I have a H.263 video stream (payload code: 34) and a SIREN audio
stream (payload code: 111). I've checked both payload codes in
Ethereal, and the audio stream is considered unknown by ethereal.
I've created the following .sdp file:
---------------------------------------------
v=0
o=- 0 0 IN 127.0.0.1
s=session
c=IN IP4 127.0.0.1
b=CT:256
t=0 0
m=audio 5000 RTP/AVP 97 111 112 6 0 8 4 5 3 101
k=base64:MecHBtCvY5p1n5HGCZi3Qlf29oDc/Y+Dk+XBFeuhzCA
a=rtpmap:97 red/8000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:6 DVI4/16000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=rtpmap:5 DVI4/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=encryption:optional
m=video 5002 RTP/AVP 34 31
k=base64:5DjNFAznXzZ7yGyu3Uv1pkzEB7X83RqTrxCkPxkUvyE
a=rtpmap:34 H263/90000
a=rtpmap:31 H261/90000
a=encryption:optional
---------------------------------------------
I don't need all these lines but I've copied from the SIP negotiation packets.
When I start the rtpplay utility with the stored RTP streams, the
Quicktime start playing (because the second counter is increasing) but
it doesn't replay sound or music. I've tested with different
configurations of the SDP file but with no positive result.
What's the problem with Quicktime?.
Thanks