[mythtv-users] Re: mpeg2 playback glitches

Curtis Stanford curtis at stanfordcomputing.com
Sun Jul 27 20:29:03 EDT 2003


OK, spoke too soon again. The "Not enough free buffers" message has 
disappeared but the glitches have not. The weird thing is that it seems worse 
on some channels than others. Must be a different problem.

On July 25, 2003 05:55 pm, Curtis Stanford wrote:
> You da man! That seems to have solved the problem (at least through several
> hours of viewing so far...)
>
> On July 24, 2003 01:50 pm, Russ Southern wrote:
> > On Thu, Jul 24, 2003 at 12:44:14PM -0600, Curtis Stanford wrote:
> > > That's why I was trying to draw it back to the original issue. I've
> > > been reading the ivtv-devel list and see references to an error I've
> > > been getting: "Not enough free buffers". I don't know if that's the
> > > problem but it's a start.
> >
> > OK.  I can help with this one.  Add an option to /etc/modules.conf:
> > options ivtv debug=1 mpg_buffers=100
> >
> > Reload the module and see if you get fewer of these errors.  It could be
> > the "glitches" are dropped frames.  This setting could help.
> >
> > I have two PVR-250's and had to make a different change to eliminate
> > these warnings altogether, but this should be enough for one card.
> >
> > Russ
> >
> > P.S. In case you need even more than 100, change the maximum by looking
> > in ivtv-driver.c for a line like this:
> >
> >         if ((mpg_buffers > 100) || (mpg_buffers < 15)) {
> >
> > and change the 100 to a bigger number.
>
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