Streaming Kfir video with increasing latency as time passes. Why?

[Cyril Deguet]

On Tue, Mar 19, 2002, markus.lindgren at se.transport.bombardier.com wrote:
> I am using vls to stream MPEG2 video encoded by the Kfir board to another box
> where vlc decodes the stuff. After a restart of vls the latency, from image
> capture to display on the other box, is about 1 second or so (acceptable to me).
> When I let the server run for about 10 minutues the latency has increased to c:a
> 10 s. Can anyone provide me with some hints on how I can keep the latency at
> about 1 s (or shorter) when streaming?

We experienced exactly the same thing. It seems there is an issue with
the system dates in the stream, but we didn't manage to solve that yet.

> Also, when I let the Kfir board produce a TS stream (instead of PS) vls always
> interprets it as a PS stream, even though I have changed the type of the video
> source to Mpeg2-TS in vls.cfg. I then get "Looping in sync..." messages from
> vls. Any help on this?

The linux driver for the kfir board doesn't seem to be able to manage TS
streams (AFAIK nobody managed to have the card working with TS).

-- 
Cyril

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