[mythtv-users] 1080i HD and macmini: Choppy playback

[Wade Maxfield]

Monkey Pet wrote:
> I bought myself a brand new macmini (1.83GHz Intel Core 2 Duo, 1GB of
> memory) to use as a myth frontend.  I noticed that 1080i HD content
> recorded from hdhomerun box doesn't play well on my 1080p LCD TV.  The
> HD is watchable, but there are choppiness, ghosting and frame drops.
> 
> The osx mythfrontend binary was obtained from the sniderpad.com
> (http://www.thesniderpad.com//component/option,com_remository/Itemid,36/).
> 
> I noticed that when I shutoff autoscaling in the mythfrontend, the HD
> playback is flawless and perfect.  However, this makes the SD image to
> be very small.  None of the other OSX frontend settings did anything
> to improve the playback.  I am wondering if anyone has a fix for this
> or another set of binaries that I can try.
> 
> On another note, the HD playback using VLC over NFS is also perfect
> and flawless, so I think this has to do with the way the mythfrontend
> is playing the HD content.

Have you tried playing with the Video Mode Settings (Setup > Appearance)

Maybe set different Video modes for the different size video you will be 
playing, then let the TV do the scaling...

  - Wade