[mythtv-users] playback performance regression: show of hands

[Allan Wilson]

On 5/22/06, Leighton Brough <brough at baremetalsoft.com> wrote:
>
> Matt Mossholder wrote:
> > On Mon, 2006-05-22 at 09:30 -0500, Allan Wilson wrote:
> >
> >> On 5/22/06, Brian J. Murrell <brian at interlinx.bc.ca> wrote:
> >>
> >
> >
> >> Although Brian might have been a little to strong in pointing out that
> >> his problems are for sure with Myth I am having problems playing HD
> >> content inside of Myth but can play the same content with xine and
> >> don't have any problems. I am making sure I have everything setup
> >> correctly now but my processor is not maxed out and it does great in
> >> xine with the same hardware so it sure does look a little funny on the
> >> Myth side. I am definately not complaining though I am happy to get
> >> what I can get and I am running some of the latest svn. Just thought I
> >> would add what I noticed to this.
> >>
> >> Allan
> >>
> >
> > Ditto here. Almost exclusively with HD content, but definitely having
> > worse performance under 0.19-fixes svn 9519 and lower than with 0.18.
> > Content plays fine in Mplayer or Xine.
> >
> >
> I too had the same problem with HD content. Are you using the
> 'denoise3d' playback filter? I suspect this has changed and is the cause
> of the problem.
>
> I installed an antenna amplifier and removed some unecessary splitters
> at the same time as the upgrade from 0.18 to 0.19, which gives me
> perfect reception, so I could remove this filter. Also, the 'adjust'
> filter is automatically applied for DVB now in 0.19, so I could remove
> this too (I don't know if leaving it in the config means it's applied
> twice or not).
>
> Now I'm just using the kernel deinterlacing filter, and the CPU
> consumption is totally reasonable again.
>
> Leighton
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>

I read the wiki and looked in MythWeb to see if I was using any filters and
it didn't look like it. Is there somewhere else that I should check to see
if I am using any of these filters? Also why would you need these filters
with HD content or is that what you are saying that they are designed for SD
content therefore don't work right with HD?

Allan
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