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Old 27 Mar 2008, 10:17 PM   #1
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Question H.264 and SDP

Hi everybody,
I have studied the RFC3984 (RTP Payload Format for H.264 Video) and in page 52 there is an example of media representation in SDP such as:

m=video 49170 RTP/AVP 98
a=rtpmap:98 H264/90000
a=fmtp:98 profile-level-id=42A01E;
sprop-parameter-sets=Z0IACpZTBYmI,aMljiA==

My question is why at the end of the fmt there is the double equal sign '=='.
I can find nowhere the syntax that states this format.
Can anyone help me about this?
Many thanks in advance.
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