Extensions to Sender and Receiver reports

Hello ccrtp-devel,

I'm trying to add Sender and Receiver report extensions to each control payload 
that's dispatched.  I've looked at QueueRTCPManager::dispatchControlPacket() and 
can't find an easy way to insert extension blocks into the RTCP buffer.   Can 
you guys tell me if the implementation supports this?  If yes, how do I go about 
adding these extension blocks?

Thanks.
-Subu