[Live-devel] modify live555ProxyServer to support multicast

Meftah Tayeb tayeb at tmxvoip.com
Wed Oct 10 10:22:39 PDT 2012


please dont start a new discution to continu your old discution
thank
ross, kiss my ass if i'm wrong.
----- Original Message ----- 
From: "kingaceck" <kingaceck at 163.com>
To: "live-devel" <live-devel at ns.live555.com>
Sent: Wednesday, October 10, 2012 12:42 PM
Subject: [Live-devel] modify live555ProxyServer to support multicast


> Thanks for your reply.
> Your have replied :
> 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.
>
>
> Now I want to modify ProxyServerMediaSubsession to inherit 
> PassiveServerMediaSubsession(not OnDemandServerMediaSubsession ). Using 
> createNewRTPSink to create a "sink" before "doEventLoop ".Is it probably 
> to support  multicast using this way?
>
> Thank you very much!
>
>
> 2012-10-10
>
>
>
> kingaceck
>
>
>
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