On 29-04-15 09:40, Ross Finlayson wrote:
Thank you for your answer. I think I have to tell something more
about the application I have to make. It is not only just a simple
proxy server, but it has also to deal with unicast streams from
network A which has to be forwarded as unicast or multicast streams
at network B. Or multicast streams from network A which has to be
forwarded as unicast or multicast streams at network B. So I really
have to modify the RTSP URLs in my proxy server.
Our proxy server already ‘modifies URLs’. Or more precisely, it acts
as a RTSP server of its own, and therefore provides its own RTSP URLs
to ‘front-end’ clients. These differ from the URLs that the proxy
server uses to access the ‘back-end’ streams.
I suggest that you begin by familiarizing yourself with the existing
“LIVE555 Proxy Server” application, described in
http://www.live555.com/proxyServer/
This appears to already do most of what you want. Note, in
particular, that the proxy server’s ‘back end’ streams (i.e., the
streams that it receives) can be either unicast or multicast. (Note,
however, that the proxy server’s ‘front-end’ streams are unicast only,
which is not quite what you want; you noted that you want the
front-end streams to be either unicast or multicast. It would be
possible to modify the code to support this, and I could assist you
with this - but some of this assistance would likely be beyond what I
can provide ‘for free’ on this mailing list.)
In any case, I suggest that you first familiarize yourself with the
existing “LIVE555 Proxy Server”.
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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Hi Ross,
Thank you for your patience and quick response. I will have a closer
look at the proxy server code. However, this program (and others, like
the testOnDemandRTSPServer) are creating ServerMediaSessions at startup.
In my case I do not know which streams will be used at startup. I will
receive a clients request (from network A) at runtime and than have to
setup the connection. Furthermore, when nobody is interested anymore in
the (unicast) stream, I have to close it to save bandwidth (at network
B). Could you point me a little more in the correct direction? Do I have
to make my own RTSPServer object (derived from the original)?
Thanks in advace.
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