[linux-dvb] Re: Mplex doesn't work

[Jan Panteltje <root@panteltje.demon.nl>]

On Sun, 3 Jun 2001, Henning Holtschneider wrote:

> On Sun, 3 Jun 2001, Jan Panteltje wrote:
> 
> > I think I evaluated that, the drift comes from the disk system being
> > so busy (lots of change in scene) that a block of data is late.
> > Then somehow the driver re-aligns data internally? perhaps.
> > If you keep the disk from other things, so no swapping occurs, this drift
> > does not happen.
> 
> This only applies to replaying a recording with the DVB card, right? I
Right.

> noticed that a couple of times, too. I think this happens when there is
> not enough disk i/o bandwith left for the replay thread on a heavily
> loaded system so - from my point of view - this is no bug or design
> problem.
> 
> If you have enough RAM in your system, you can probably get around this my
> enlarging VDR's internal buffer (someone else recently posted a message on
> how to do this).
Possible, have not tried that.
Regards
Jan



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