[vlc-devel] Re: vlc: svn commit r9922 (gbazin)

Gildas Bazin gbazin at altern.org
Sun Feb 13 14:37:12 CET 2005

On Sunday 13 February 2005 05:11, Ross Finlayson wrote:
> >* modules/access/http.c,modules/access/mmsh,modules/demux/livedotcom.cpp: 
> >Disable clock synchro
> >algorithm for http/mms/rtsp by default for now since our algo was 
> >for local network
> Is this going to affect A/V synchronization for RTSP/RTP streams that 
> consist of two separate RTP streams - one for audio; one for video?  (This 
> uses the "pts" presentation timestamp that's passed to the "StreamRead()" 
> function in "livedotcom.cpp".)
> As far as I can tell, this was previously working well, and is an 
> feature for playing RTSP/RTP streams.  It is not something that should be 
> left to an command-line option.

It won't affect A/V synchronisation. The only effect is that the player 
input buffers will eventually overrun/underrun because the playing rate 
isn't synchronised on the server's clock.
(Although to be fair, underruns are already happening with the clock synchro 
algorithm because it isn't adapted to RTSP/RTP streaming).


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