[vlc] Re: How to do a live stream with minimum latency?

Alexander Isacson alexander at isacson.info
Fri May 14 16:58:07 CEST 2004


Hello

You can bring it down a bit, ~1 sec, by minimizing the UDP-cache and
V4L-cache. Look at those command line options.

/Alexander Isacson

On Fri, 2004-05-14 at 15:15 +0200, Marco De Benedetto wrote:
> Hi,
> 
> I'm looking for a solution for a live stream, with the lowest lantency,
> for remote physician consulting in a my LAN.
> 
> This is the scenario: a physician receive the video stream from a remote
> microscope and send instructions via telephone to the operator at the
> microscope.  It is required that the physician could see the live stream
> almost in real time so to guide the operator, via phone, on how to move
> the slide; e.g.: "Move the slide to the left... stop *now* ..." etc.
> 
> The output from the microscope is S-Video and the LAN is 100Mb switched.
> 
> Now I am testing a Bt848 card with no hardware compression on Linux and
> I have a latency of ~2s.
> 
> I'd like to know if, with a good mpeg card, the latency can be reduced
> near to zero and if there is something else that can be done to reach
> this result.
> 
> -- 
> thank you,
> Marco De Benedetto
> 
> -- 
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-- 
Alexander Isacson <alexander at isacson.info>

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