[Live-devel] negative presentation time in "afterGettingFrame" sink callback

Ross Finlayson finlayson at live555.com
Tue Jan 15 05:38:30 PST 2013


> Received a complete PLAY response:
> RTSP/1.0 200 OK
> CSeq: 6
> Session: 872219556
> Range: npt=now-
> RTP-Info: url=rtsp://10.0.70.22:554/video1+audio1/trackID=0;seq=35711,url=rtsp://10.0.70.22:554/video1+audio1/trackID=1;seq=62268,url=rtsp://10.0.70.22:554/video1+audio1/events;seq=4796

FYI, it turned out that this "RTP-Info:" header - although legal - wasn't useful to us, because it didn't specify *both* the "seq" and "rtptime" parameters.  Our RTSP client code was getting confused by this, which explains why the "NPT" values were turning out strange.

I've just installed a new version of the code that ignores "RTP-Info:" headers - like this - that don't specify *both* the "seq" and "rtptime" parameters.


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

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