[Mp4-tech] Mpeg4 Streaming using DSS (RFC 3016/3640)

[rajesh bharadwaj]

Hello there, 
I am streaming a MPEG4 file through a Darwin Streaming server and was noticing the SDP dump in Ethereal. I have posted the dump for your reference. 
/*SDP Dump*/ 
a=range:npt=0- 70.00000 
m=video 0 RTP/AVP 96 
b=AS:76 
a=rtpmap:96 MP4V-ES/90000 
a=control:trackID=3 
a=cliprect:0,0,242,192 
a=framesize:96 192-242 
a=fmtp:96 profile-level-id=1;config=000001B0F3000001B50EE040C0CF0000010000000120008440FA283020F2A21F 
a=mpeg4-esid:201 
m=audio 0 RTP/AVP 97 
b=AS:20 
a=‹ rtpmap:97 mpeg4-generic/8000/2 
a=control:trackID=4 
a=fmtp:97 profile-level-id=15;mode=AAC-hbr; sizelength=13; indexlength=3; indexdeltalength=3;config=1590 
a=mpeg4-esid:101 
____________________________________________________________
As can be seen , the audio is being streamed using RFC 3640 spec and the Video using RFC 3016. 
I wanted to know How the VLC player or if DSS is doing this, can possibly do that ? 
  Does this happen to all the MPEG4 files? Please reply.
_________________
Rajesh V
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