H.264 and SDP

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  • stig7gr
    Junior Member
    Junior Member
    • Mar 2008
    • 1

    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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