[mythtv-users] ion configs

[Christopher Kerr]

On Tue, Nov 23, 2010 at 1:30 AM, Richard Morton
<richard.e.morton at gmail.com> wrote:
> Here in the UK we dont have many free-to-air HD channels, but those
> that we do have transmit in 1080i, which I gather is unusual as most
> pay-for HD channels are 720i...
>
> As PAL is circa 550 visible lines, 720i is not all that much more than UK SD...
>
> So we have BBCHD BBC1HD and ITV1HD on FreeSat.
>
> I have a frontend which is dual core Atom / ION.
>
> I have to run the frontend with real-time threads enabled for the HD
> content and I use the VPDAU slim profile with all deinterlacers turned
> off... if I even use VDPAU normal profile I get stuttering...
>
> with no deinterlacing playback is under 20% cpu utilisation, if I use
> VDPAU normal it jumps to 40+% and stutters.
>
> except with end credits everything looks great (to my eyes at
> least)... but I was wondering what others use.

Are your channels MPEG2 or H.264? I've never had a problem with 1080i
MPEG2 using VDPAU Normal on a Revo.

Don't have any sources of interlaced H.264.

- Chris