[vlc] Re: streaming a webcam with vlc in real time

Dmitriy Martynov dvmartyn at oakland.edu
Sat Nov 26 17:42:26 CET 2005


Does anyone have a working example?  That would be really helpful!

Thanks,
--Dmitriy

---- Original message ----
>Date: Fri, 25 Nov 2005 10:36:14 +0200
>From: Viktor Kompaneyets <vato at wnet.ua>  
>Subject: [vlc] Re: streaming a webcam with vlc in real time  
>To: vlc at videolan.org
>
>Mark Moriarty wrote:
>
>> Go to mpeg ts, UDP multicast, mpeg whatever CODEC, you
should be about 700
>> ms (also make sure you knock down the caches at the client
end).
>> I've heard you can get to about 200 ms, possibly, with RTP.
 Does anyone
>> have a good sample?  (mine is at work).
>
>You can achive latency, not less, than keyframerate*2. So, if
you try set
>stream to send only I-frames (in MPEGs, for example) with 25
fps, it is
>(theoretically) possible to get 2/25s = 80ms latency. In real
life I'd
>achieved only 160-200ms, with 15fps. There are bottlenecks in
CPU power and
>network throuthput. 
>
>-- 
>Viktor Kompaneyets
>Wnet project manager
>
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