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Help with my htpc build (choppy 1080p playback)

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Last response: in Systems
a b B Homebuilt system
June 5, 2009 11:42:33 PM

Hello guys

I got a problem I just finished building my htpc and I can't get smooth 1080p playback.

specs are:

54.99) Rosewill R379-SM Black/ Silver 0.8mm SGCC Steel MicroATX Slim Case Computer Case PSU ATX12V Flex 300W Power Supply - Retail [...] 6811147098

($74.99) SAMSUNG Spinpoint F1 HD102UJ 1TB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive - Retail [...] 6822152101

($69.99) Foxconn A7GM-S 2.0 AM2+ / AM3 Ready AMD 780G HDMI Micro ATX AMD Motherboard - Retail [...] 6813186165

($12.99) pci wireless card [...] 6833180030

($40.99) AllComponents 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail [...] 6820159021

($55.99) AMD Athlon X2 4850e 2.5GHz 2 x 512KB L2 Cache Socket AM2 45W Dual-Core Processor - Retail [...] 6819103255

($99.99) SONY Black/Gray 2X BD-ROM 8X DVD-ROM 24X CD-ROM SATA Internal 2X Blu-ray DVD ROM Model BDUX10S - Retail [...] 6827131054

I read people play 1080p on much lower specs so whats my problem?
I simply installed vista 32bit and used newest VLC media player. I think the video acceleration is not working since my cpu spikes at 70% (unless thats normal)

Any ideas? Should I use different video player?

Thanks any help is appreciated! :) 

More about : htpc build choppy 1080p playback

June 6, 2009 3:47:43 AM

VLC player doens't have support for DXVA, IIRC. 70% load isn't that bad but here is a great tutorial on using DXVA with a program called MPC-HC (Media Player Home Classic) one of the best programs IMO for HD playback. I like it more than PDVD9 :lol: 

Tutorial :

You might also want to try PDVD 9, in MPC-HC I don't think you can play BD's right off the disk.
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a b B Homebuilt system
June 6, 2009 4:14:22 AM

no more jerky movies and one core is at 70% and other one is at 30%
June 6, 2009 5:52:01 AM

^ Nice. What player are you using? I'm suprised you got VLC to play the file, whenver I played high res files with VLC it would just lock up.
a b B Homebuilt system
June 6, 2009 11:08:43 AM

I have tried the KMP player and it doesn't shutter anymore.
I never had problems with VLC player, I have tested it on my gaming rig and hooked it up to our new tv and it worked fine (q6600@3.4ghz ati 4870 1gig)