[vlc-devel] Re: [vlc] vlc fails with network jitter

Christophe Massiot massiot at via.ecp.fr
Thu Sep 25 01:11:08 CEST 2003

À (At) 14:08 -0400 24/09/03, asrao at hns.com écrivait (wrote) :

>We used nistnet to add about 0.1 msecs max of jitter  (delay 
>variation) to a 1.5 Mbps MPEG-2 transport stream which was being 
>out in unicast UDP format.  The video started blocking and finally 
>froze.  VLC works fine with less than 0.1 msec of jitter.
>For those who are interested, the setting when problems on nistnet 
>when problems started was
>  mean delay = 360 msecs and sigma (standard deviation) = 0.03

0.1 ms seems really small to me, we should handle much more than 
that. However VLC assumes that the packets arrive in order, are you 
sure this is the case ? Otherwise it would fail with TS discontinuity 
messages in the Messages window.

Christophe Massiot.

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