[linux-dvb] Re: VDR files to VOB

[jhall@UU.NET (Jeremy Hall)]

Have you tried with a low latency and/or preemptable kernel? You may find
the results more favourable.

_J

In the new year, Jarkko Santala wrote:
> On Wed, 14 Aug 2002, Tomi Ollila wrote:
> 
> > When I've saved dvb data using `dvbstream <vpid> <apid> -o -ps >file.mpg'
> > and run the output using mplayer, I've got a/v sync difference of 400ms
> > (sound ahead of that much). I've quessed (so far) that the problem is
> > w/ soundcard (and sound drivers) -- I have Soundblaster 64 and I don't know
> > how well it copes w/ 48000 bps sound.
> >
> > A friend of mine has used MPlayer's mencoder to encode some of his
> > recordings to be replayed at later date and the resulting AVI is in
> > perfect sync (If he replays the non-encoded stream, he uses 250ms sync
> > correction). The resulting avi (I think) has 44100 bitrate for sound.
> >
> > We both have WinTV Nova-t.
> 
> Yes, I talked about this earlier today and now confirmed it, Star Wars VI
> I saved to disk and the re-encoded to divx with mencoder has no lip sync
> problems. No delay correction applied. The .avi still has 48kHz sound.
> 
> To be exact, I have to use a correction of -0.255 when playing the mpeg
> streams with mplayer either "live" or from disk when the video output is
> via dxr3 and audio output via motherboard integrated sound card.
> 
> If I use -vo dxr3:noprebuf (instead of just -vo dxr3) the delay is much
> smaller, almost none. Somehow I have the gut feeling that not using
> noprebuf is better in general, but it might just be me. Anyway, I've got
> the no noprebuf delay tuned to perfection so it doesn't matter. ;)
> 
> 	-jake
> 
> -- 
> Jarkko Santala <jake@iki.fi>            http://www.iki.fi/~jake/
> System Administrator                    2001:670:83:f08::/64
> 
> 
> 
> -- 
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