[vlc] Re: Exact meaning and cause of error messages

Gildas Bazin gbazin at netcourrier.com
Wed Aug 6 18:36:30 CEST 2003


On Wednesday 06 August 2003 11:58, Måns Rullgård wrote:
> 
> I'm writing a program for streaming MPEG-TS data over UDP.  It's
> mostly working, but VLC doesn't always like my streams.  It plays fine
> for a while, but at some places (always the same point in the stream),
> it prints a load of error messages, drops a couple of seconds of the
> stream, and goes on playing.  I'd like to know what is wrong with my
> stream that triggers these errors.  If I increase the UDP cache size
> to 3000 ms (from the default 300) the errors go away.
> 

IMHO this can mean 2 things. Either you don't send the udp packets at the 
right time so VLC's input fifo underruns. Or the PCRs in your stream are 
not correct, leading VLC to not schedule the input reading at the right 
time which in turn will make the input fifo underrun.

--
Gildas

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