[Mp4-tech] MPEG-4 condiguration information

[rakesh kothari]

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Hi,
I have a beginners question on MPEG-4 and please forgive me if this is not the right forum to ask this question.
I am trying to do live streaming of MPEG-4 video over RTP/UDP using mp4live in MPEG4IP. What I couldn't understand is how is the "config"
parameter is generated in the SDP file. Can't we use any inband mechanism to transmit that configuration information?
Is SDP is a required mechanism for tuning into the live streaming or is there any other mechanism also?
Apart from SDP parameters is there any other way for client to know the bit-rate and frame-rate at which the live transmission is going on? I mean mpeg-4 packet inside RTP payload have any control information like this?
Where could I get the information about MPEG-4 packet format (which goes into RTP payload while streaming)?
I would really appreciate if someone could help me out on this.
Thanks,
Rakesh Kothari