> Is there any inherent function to synchronize audio in multiple clients ?
No, nothing that's ‘inherent’ in the supplied code, as is. However, the IETF
(almost 3 years ago) standardized RFC 7272:
"Inter-Destination Media Synchronization (IDMS) Using the RTP Control
Protocol (RTCP)”
This RFC defines two new RTCP packets, and a new SDP attribute. It would be
possible, I think, to update our RTSP server and RTSP client implementations to
support these. (Unfortunately I suspect that this would require modifying our
code, rather than merely subclassing it, which is what we prefer.)
But if you were to do this, then our RTSP server could, at least in principle,
be used to stream audio (and/or video) that’s synchronized in multiple RTSP
clients (either RTSP clients that are written use our software, or any ‘off the
shelf’ RTSP clients that support IDMS (not that I know of any such ‘off the
shelf’ RTSP clients, however)).
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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