[Live-devel] RTSP Server Crash when switching from multicast to unicast

[Ross Finlayson]

Unfortunately, because the crash is triggered by (though not necessarily occurring in) your own application, which I can’t reproduce, you’re going to have to be specific about exactly where the crash is occurring, and why.  (If you’re not already doing so, I suggest replacing the “-O” compile flag with “-g”, and running your server under “gdb”.)

> It seems that there is no client session to destroy if the rtp multicast address method is used, neither is the reference count incremented in this case.
> 

Of course.  I suspect that you may be misunderstanding the difference between “rtp://“ and “rtsp://“ URLs.  “rtp://“ URLs are non-standard and specific only to VLC; they tell VLC to bind to a particular IP address and port number.  This causes no interaction with the server, so (obviously) the server doesn’t know when client(s) are listening to the (multicast) stream this way.

A “rtsp://“ URL uses the (IETF standard) RTSP protocol - a unicast protocol (over TCP) that involves contacting the server, and asking the server for details about the stream (a multicast stream, in this case), and how to listen to it.

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

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