[mythtv-users] Live Playback of HDTV isn't smooth

[Byron Poland]

On 1/2/06, Steve Adeff <adeffs at gmail.com> wrote:
> On Sunday 01 January 2006 18:22, Byron Poland wrote:
> > I've got a backend with 3 hd tuners in it, and a frontend with an
> > Athlon 2500+ (overclocked to 2700+)  I'm using an nvidia 6200 to drive
> > a westinghouse lvm-37w1 at 1920x1080, with sound going out via ac3
> > passthrough.  Recorded programs play back great.  However when I try
> > watching live tv, (usually sports) things just aren't right.  Audio is
> > fine, but video is somewhere between smooth and jerky.  Its tough to
> > describe, but the more you watch it, the more it starts to hurt your
> > eyes.....  Sometimes it looks like things are going in slowmotion, and
> > then it speeds up then back down.  Anyone have any suggestions?
>
> are you playing back 1080i content? does 720p content make a difference?
> (it should, 720p requires about 1/3 less CPU and an Athlon at 2700 should be
> fine for 720p, 1080i is pushing it without XvMC).
>
> --
> Steve
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It's usually 720p, because I notice it most with ABC and FOX football.
 1080i isn't a problem since I'm not doing any deinterlacing, its all
done on the tv.