Yes, thanks for the reminder that our RTSP server implementation - due to a bug
that needs fixing - currently does not send a RTCP “BYE” when a stream ends.
That will be fixed sometime (perhaps fairly soon). But that’s not particularly
relevant here, because you are asking about how to program a RTSP *client*.
> No, you’re ‘barking up the wrong tree’ here. All that is doing is detecting
> when the RTSP TCP connection has ended. And that can happen at any time
> during the stream - not necessarily when the stream ends. (It is perfectly
> legal for a RTSP server to close the RTSP TCP connection at any time - even
> while the RTP stream is ongoing. Should that happen, our “RTSPClient” code
> would recover from this automatically; it is of no concern to application
> code.)
>
> Yes, that is exact what I want to handle.
Sorry, but you can’t. Once again, it’s perfectly legal for a server to close
the RTSP TCP connection at any time, even before the stream has ended. So even
if you could detect when the RTSP TCP connection has closed - which you can’t -
it wouldn’t tell you anything useful.
> In many times video stream in my app is stopped, I want to show GUI that the
> network is
> disconnected.
No, what you want is to detect when packets have stopped arriving (at the
client), after a certain threshold. For an illustration of how to do this,
note how “openRTSP” implements the
-D <maximum-inter-packet-gap>
option: http://www.live555.com/openRTSP/#playing-time
(Search for “interPacketGapMaxTime” in “testProgs/playCommon.cpp”.)
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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