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[linux-dvb] Re: video pts differences on dvb-t in the uk



On Mon, 2004-10-11 at 17:17 +0100, Ilariu Raducan wrote:
> On Mon, 11 Oct 2004 17:59:31 +0200, Holger Waechtler wrote:
> > Torgeir Veimo wrote:
> > 
> > >I'm not too familiar with mpeg2 and a/v pts.. I see the problems with
> > >both xawtv and vdr's softdevice. I believe the correct term isdvb
> > >transmission audio preload time? Is there any such thing in dvb-t
> > >transmission headers?
> > 
> > It's not a DVB-T specific problem. Both the softdevice plugin and xawtv
> > don't implement proper PCR/STC handling. See
> I agree with that. softdevice plays the audio with almost 1s before
> video on some stations.

> > http://212.227.36.83/linuxtv//index.php/The_DVB_Decoder_Challenge for a
> > discussion of the topic.

I thought the PCR/STC handling is to avoid clock / pts drifts, but I am
seeing a constant, predictable offset. Does PCR/STC bring any such thing
into the picture?

-- 
Torgeir Veimo <torgeir@pobox.com>





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