How to make the audio header data for Speex for RTMP ?

lightshield5375 <[email protected]> Thu, 11 Apr 2013 20:05:26 +0900
Newsgroups gmane.comp.audio.compression.speex.devel
Message-ID <[email protected]>
Hi all.

libfaac has faacEncGetDecoderSpecificInfo function for decorder specific
info that works as the audio header for RTMP live stream.
How to make the header for Speex ?

Yours truly