[Live-devel] modify live555ProxyServer to support multicast

[Meftah Tayeb]

True, ross
so he maybe asked his question with a strange maner.
Anyway, thank you for that.
you allready explained him a lot;-)

----- Original Message ----- 
From: "Ross Finlayson" <finlayson at live555.com>
To: "LIVE555 Streaming Media - development & use" 
<live-devel at ns.live555.com>
Sent: Monday, October 08, 2012 5:10 PM
Subject: Re: [Live-devel] modify live555ProxyServer to support multicast


> this ip is not Multicast
> 129.X.X.X is Unicast

That's true, but irrelevant to "kingaceck"s question.  He was asking how to 
write a RTSP proxy that relays from a (unicast or multicast) 'back-end' RTSP 
stream to a multicast 'front-end' RTSP stream.  This front-end RTSP stream 
would be accessed via unicast (because RTSP is a TCP-based protocol), but 
the stream itself would be multicast.  (Note, for example, that our 
"test*Streamer" demo applications also send multicast streams that can be 
(and in some cases, must be) accessed via RTSP.)

In contrast, our "LIVE555 Proxy Server" relays from a (unicast or multicast) 
'back-end' RTSP stream to a (actually, one or more) *unicast* 'front-end' 
streams.

The "Subject:" line of this thread is wrong, because neither the "LIVE555 
Proxy Server" (nor the "ProxyServerMediaSession" class in particular) can be 
'modified' to get what "kingaceck" wants.  They're just too different. 
Instead, he would need to write his own "PassiveServerMediaSubsession" 
subclass, combined with a "ServerMediaSession" (subclass), and a 
"RTSPServer" (as illustrated by the "test*Streamer" demo applications). 
These would implement the multicast 'front-end' stream.  He would then need 
to use a "RTSPClient" (perhaps a "RTSPClient" subclass) to implement the 
reception of the 'back-end' stream.

However, this is sufficiently complicated that I'm certainly not going to 
"show (him) the details step by step" as he requested (especially since he 
uses an unprofessional email address).  He's going to have to work out the 
(many) details himself.


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




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