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 Post subject: Extremely slow EPG
PostPosted: Wed Jul 22, 2009 7:17 pm 
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Joined: Wed Jul 22, 2009 6:44 pm
Posts: 1
So I've had an old Asus Pundit (AMD64 3800+, GeForce 6150) box flawlessly running R5F1 for a couple years with a PVR-150 tuner card. When Comcast switched to digital-only, I decided to switch to a digital HDTV tuner (Technisat SkyStar2 DVB card). I decided this might be a good time to check out the new R6/LinHES release, and start from scratch on a new hard disk.

Everything went quite smoothly, with the exception of one thing. *Only* on HDTV channels, the EPG was painfully slow -- like sometime a minute or so to move up or down the grid. Interestingly, CPU usage was quite low during this time. I decided to change HDTV to use XvMC, which completely fixed the slow EPG issue, but kept getting gobs of prebuffering pauses, and would not play smoothly. I tried messing with all the settings that have been recommended across the web, but had no luck. So, back to Xv/libmpeg2 I went.

After tons of fiddling, I found one configuration that would work reasonably well for me. Just about any setting works great on SDTV. But for HDTV, from my experiences, I *must* set the primary deinterlacer to either Greedy Motion (2x) or Yadif (2x), and the fallback deinterlacer must be set to GreedyH. Any other deinterlacer configuration (even no deint) and the EPG gets super-slow again -- although some deint settings seem to slow it down more than others. But with this configuration, CPU usage is much higher, and high motion HDTV can get a little choppy at times.

Does anyone have any ideas? Has anyone even heard of this problem? I was considering trying R5.5 to see if it worked better with my configuration, but I'd hate to blow away my current mostly-working configuration. Ideally I'd be able to use a lighter deinterlacer (or even no deinterlacer) for HDTV so I don't get choppy video and I don't have to listen to my CPU fan howl, but still be able to browse around on the EPG without going insane. :)


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