[Live-devel] Change Request about rtp timestamping when doing PAUSE/PLAY

David Betrand bidibulle at operamail.com
Wed Oct 25 01:24:34 PDT 2006


Thank you so much, Ross. 
Regarding VLC, I just checked in source code and you're right it doesn't use 'rtptime' at all. So, there is probably an additional issue (maybe at VLC side) that I will try to investigate... 
David
> ----- Original Message -----
> From: "Ross Finlayson" <finlayson at live555.com>
> To: "LIVE555 Streaming Media - development & use" <live-devel at ns.live555.com>
> Subject: Re: [Live-devel] Change Request about rtp timestamping when doing PAUSE/PLAY
> Date: Tue, 24 Oct 2006 11:51:05 -0700
> 
> 
> > Ross,
> >>  > I noted that live555 implementation for this consists of
> >>  setting > in the rtp-info header a rtptime value corresponding to
> >>  the last > RTP timestamp sent for this track
> >>
> >>  I believe this is correct, because the RTP timestamp *does* increase
> >>  appropriately after a PAUSE/PLAY (see below).
> >
> > The problem here is not the timestamps present in the RTP packets,
> > they are correct. It is the "rtptime" value present in the PLAY
> > Response which is incorrect because it equals to the last rtp
> > timestamp sent BEFORE the Pause.
> 
> OK, I'll see if I can fix this in the next release of the software.
> 
> However, this i unlikely to be the cause of your problem with VLC,
> because (as far as I can tell), VLC does not use the "RTPInfo" header
> information at all.
> --
> 
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
> _______________________________________________
> live-devel mailing list
> live-devel at lists.live555.com
> http://lists.live555.com/mailman/listinfo/live-devel

>


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