The QT client only plays streams from a single server.
I'm don't know if the "mpeg4ip client" has single-presentation/multi-server
functionality - I'm be interested in what you might find out, though.
-C
On 12/13/01 10:12 PM, "Rahul Kumar" <email@hidden> wrote:
> Hi!
> I have been fiddling with the quick time server, specifically its RTSP
> module for some time. I have a small curiosity.
>
> As per RFC 2326 section 14.1:
> If the SDP file indicates that the "Control URI" for individual media
> streams corresponds to different servers, then does the Quick Time
> client open separate RTSP session to the corresponding servers .
>
> For convinience I have reproduced the text corresponding to RFC 2326
> section 14.1:
>
> The SDP file is:
>
> v=0
> o=- 2890844526 2890842807 IN IP4 192.16.24.202
> s=RTSP Session
> m=audio 0 RTP/AVP 0
> a=control:rtsp://audio.example.com/twister/audio.en
> m=video 0 RTP/AVP 31
> a=control:rtsp://video.example.com/twister/video
>
> C->A: SETUP rtsp://audio.example.com/twister/audio.en RTSP/1.0
> CSeq: 1
> Transport: RTP/AVP/UDP;unicast;client_port=3056-3057
>
> A->C: RTSP/1.0 200 OK
> CSeq: 1
> Session: 12345678
> Transport: RTP/AVP/UDP;unicast;client_port=3056-3057;
> server_port=5000-5001
>
> C->V: SETUP rtsp://video.example.com/twister/video RTSP/1.0
> CSeq: 1
> Transport: RTP/AVP/UDP;unicast;client_port=3058-3059
>
> V->C: RTSP/1.0 200 OK
> CSeq: 1
> Session: 23456789
> Transport: RTP/AVP/UDP;unicast;client_port=3058-3059;
> server_port=5002-5003
>
> (the client the issues separate PLAY requests to each media server for
> activating the audio and video streams)
>
> I was also interested in knowing whether the RTSP implementation of the
> "mpeg4ip client" supports this feature.
>
> Regards,
> Rahul Kumar
>
> PS: Has anyone come accorss such a scenario in actual usage?
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