[mythtv-users] Re: mpeg2 playback glitches

Curtis Stanford curtis at stanfordcomputing.com
Thu Jul 24 15:01:10 EDT 2003


OK, done. I'll report on the results.

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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