[mythtv-users] Juddery playback on Mac Myth?

[matt mead]

I see the exact same issue on my mini intel core duo.  It happens for me most 
noticeably on "The Unit."


-matt

Todd Ignasiak wrote:
> I have noticed some pretty severe judder when using the Intel binary
> version of the 0.19 Myth frontend to display some 1080i material.  I
> don't have a PowerPC machine fast enough to display HD, so I'm
> wondering if G5 users have seen anything like this (i.e. is this a Mac
> issue, or an Intel-Mac issue).
> 
> 720p HD material plays fine, as does video sourced 1080i material.  
> But, film sourced 1080i material ( 'The West Wing', 'My Name is Earl')
> causes problems.  I have seen this with material from two different
> broadcasters, and the same recording looks fine on an HD Tivo, or a
> Linux Myth frontend.
> 
> 
> Also -- by 'judder', I mean the video playback does not flow smoothly,
> instead the apparent frame rate appears to speed up and slow down
> through playback.  I believe this is caused by the conversion from
> 24fps filmed material to playback at 720p 60fps.  (My display is a
> 720p Samsung DLP, and the Mini's display refresh rate is 60Hz).
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-- 
matt mead

http://collectivity.goof.com/