> On Mar 26, 2020, at 10:36 PM, Zhang Qian(张倩) <qianzh...@asrmicro.com> wrote:
> 
> Hi Ross,
>  
> I found it use gettimeofday (wall-clock time) for NTP/RTP timestamp in 
> RTCP/RTP packets. If user modifies the system time for device, seems it will 
> impact A/V sync for client. How can I avoid this problem?

You can avoid this problem by not changing the server’s system time while the 
stream is running :-)

Seriously - Things can’t be expected to work properly if you change the 
server’s system time while a stream is ongoing.  Stop your server, then change 
the system time, then restart your server.


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


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