> Does the proxy server only start pulling the source stream when there are one 
> or more consumers of the output stream? When all consumers of the output 
> stream go away, does the proxy server stop pulling the source stream?

When the “LIVE555 Proxy Server” is started, it contacts the remote (‘back-end’) 
server to get information about the stream (using the RTSP “DESCRIBE” command), 
but does not actually play (i.e., receive) the stream until the first 
‘front-end’ client connects to the proxy server.

And when the last ‘front-end’ client has disconnected from the proxy server, 
the proxy server will pause the stream from the ‘back-end’ server (by sending a 
RTSP “PAUSE” command).


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/


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