[Live-devel] RTP Extension

Ross Finlayson finlayson at live555.com
Thu Oct 30 01:46:45 PDT 2008

>What is the proper way to imlement adding RTP extension in Live555?

it depends what you mean by "RTP extension".

If you're referring to just implementing a new RTP payload format, 
then this is easy - just define and implement your own subclasses of 
"MultiFramedRTPSink" (for sending) and "MultiFramedRTPSource" (for 

If, however, you're referring to implementing RTP *header* extensions 
(as defined in RFC 3550, section 5.3.1), then there's currently no 
clean way to do this; instead, you would need to modify the existing 
"MultiFramedRTPS*.cpp" code to support this.

Ross Finlayson
Live Networks, Inc.
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