[FFmpeg-devel] libavdevice: PTS stability and risks of drift

Michael Niedermayer michaelni
Mon Feb 2 19:06:57 CET 2009

On Mon, Feb 02, 2009 at 05:14:36PM +0100, Marc Mason wrote:
> Michael Niedermayer wrote:
> > some people might run ntpdate once a day or week this might lead to a few
> > second stepping of the time when its run, I don't think an hour is realistic.
> I had a PC whose clock was 100 ppm (0.01%) too fast. I was told by the 
> NTP devs this was not uncommon.
> Stepping the clock once a week meant setting the clock back 60 seconds 
> once a week.

> AFAIR, NTP refuses to handle clocks outside +/- 500 ppm

i dont think the network time protocol has a problem with it, some or even
all implementation might of course


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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