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Forums › Freeview (DVB-T/DVB-S) › Slow DXVA video on Windows 7 with EVR


283 posts

Ultimate Geek


# 44280 26-Oct-2009 15:33
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Hi


I am unable to watch TV3 1080i captures under Windows 7.  I have installed the Cyberlink codec I was using under XP and enabled DXVA.  From what I can tell in Windows 7, I must use EVR renderer to get DXVA.  But doing that results in jerky slow video.  Using VMR9 results in smooth video with high CPU Usage (no DXVA).  Under Windows XP I was able to watch the same files Ok with DXVA giving 5% cpu usage.  Even with DXVA on under Windows 7 I am seeing 21% CPU.


Card is NVIDIA 8600GT with 191.07 drivers.  Card is capable of playing the clips accelerated as they worked fine in Windows XP and also work fine in Linux. 

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2584 posts

Uber Geek

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  # 267116 27-Oct-2009 08:56
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You should not be using any additional codecs in Windows 7. It has what it needs built in, I think you may be screwing things up by trying to use the Cyberlink codec?

Where are the recordings coming from?







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64



283 posts

Ultimate Geek


  # 267169 27-Oct-2009 11:38
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Hi

The recordings were from DVBViewer DVB-T. I removed the codec and have gone back to the MS DVD DTV codec and it seems better, although sometimes it is still slow and I have to close the media player and reopen it, then it seems ok. It is almost like the video card is going into a power save mode or something and not coming out of it quickly enough, although I didn't think desktop ones did that.

Seeking also seems a bit slow and results in flashing to black a couple of times before playing, but I can live with that.

 
 
 
 


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Uber Geek

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  # 267271 27-Oct-2009 14:42
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Have you tried media centre? is light years ahead of Vista MC and just seems to work.







Media centre PC - Case Silverstone LC16M with 2 X 80mm AcoustiFan DustPROOF, MOBO Gigabyte MA785GT-UD3H, CPU AMD X2 240 under volted, RAM 4 Gig DDR3 1033, HDD 120Gig System/512Gig data, Tuners 2 X Hauppauge HVR-3000, 1 X HVR-2200, Video Palit GT 220, Sound Realtek 886A HD (onboard), Optical LiteOn DH-401S Blue-ray using TotalMedia Theatre Power Corsair VX Series, 450W ATX PSU OS Windows 7 x64

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