On Monday 22 January 2007 00:46, Andrew McNabb wrote:
> On Sat, Jan 20, 2007 at 12:03:01PM +0100, Hans Verkuil wrote:
> > Try setting the number of buffers to 16. I looked at the ivtv-0.4
> > code and it looks like it was able to dynamically allocate buffers
> > until 16 MB. This dynamic allocation was removed some time ago in
> > ivtv-0.8 and up (it gave lots of other problems), but that might
> > mean that you can run out of buffers if MythTV is not responsive
> > enough. I've seen one other report that said that increasing the
> > number of buffer to 16 works.
>
> I tried setting:
>
> option ivtv enc_mpg_buffers=16
>
> and I'm still getting a bunch of errors about MPEG and VBI buffers
> being full.
>
> > There is also a MythTV patch somewhere that improved the
> > responsiveness. 4MB of buffer space should be enough for about 4
> > seconds with the default bitrates, so that should be enough for a
> > well written application.
>
> I wonder what's going wrong in MythTV such that 16 MB (16 seconds)
> still wouldn't be enough. That's really weird.
Please upgrade to the latest trunk version: I found a bug this weekend
that might be the cause of the problems. It certainly affected vdr, so
it might affect MythTV in the same way.
Hans
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