Jerky video considerations

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No1Daemon

172 posts

Master Geek

#21259 21-Apr-2008 11:08

Hi
Does anyone have any idea if there are further considerations to why you get jerky video?

I am playing h.264 freeview at 50-56fps and the evr renderer tells me there are no skipped frames but it is still very jerky. It is especially noticeable when watching panning movement.
It seems to pause breifly and then rush to catch up again.

I have an 8600GT, cyberlink powerdvd 8. I am using evr in vista and can not think of another reason why it would be jerky.

CPU usage is still quite high for this particular machine at 25-45%

I have tried masses of drivers. Omega Nvidia drivers, N2go nvidia drivers as well as the current ones off the nvidia site.
I have updated my bios to the latest and installed the latest drivers for my motherboard from the asus website.

The only other thing I can pin point is perhaps refresh rate which I can probably fix with riva tuner or something, or else perhaps signal strength problems.

Any other considerations you know of?

I am getting well sick of this system.
Many thanks
Steve

Disrespective

1934 posts

Uber Geek
+1 received by user: 146

#125316 21-Apr-2008 14:29

I find that i have to use the 169.21 forceware version or i have troubles like you mentioned, anything newer or older will give me troubles. I've tried to update them before but decided not to bother again after encountering stuttering issues.

Is everthing at a good stable temperature or is there a bit of heat in the case? Heat can cause many things even if the component is running below 100%. Other than that i couldn't say what might be causing the problems.

No1Daemon

172 posts

Master Geek

#125323 21-Apr-2008 14:50

Hi

I never thought of using an older version of the drivers.

Everything is a good heat. Core temp is 0 degrees and the hottest item is my hdd which is at 40 degrees.

I will try that version of the drivers and see how I go.

I also experimented with refresh rates. At 1920x1080 I was only given the option of 29 or 30 hz but when I change to 720p resolution I am offered the option of 60 hz which is easier on the eyes. Dissapointed I cannot use 1080i though for some reason.

Thanks for the reply though.

No1Daemon

172 posts

Master Geek

#125324 21-Apr-2008 14:53

Disrespective: I find that i have to use the 169.21 forceware version or i have troubles like you mentioned, anything newer or older will give me troubles. I've tried to update them before but decided not to bother again after encountering stuttering issues.

Is everthing at a good stable temperature or is there a bit of heat in the case? Heat can cause many things even if the component is running below 100%. Other than that i couldn't say what might be causing the problems.

I cant do that. The 169.21 is for xp/2000 only. The vista version is 169.25 which I use already

1gkar

722 posts

Ultimate Geek

#125422 21-Apr-2008 20:57

What other codecs are on you're system? Try removing ALL codecs & only re-registering the ones needed for HD playback & see what happens.

A very remote possibility: the DirectX 9.0c bug. Some systems give video stutter with the newer file. By reverting to another version of it, it can eliminate the issue. But I think it is localised to XP-based OSs. If it could be this, google quartz.zip for the file.

Silverstone LC14 HTPC Case/Intel E4600 CPU/GA-EP35-DS3 MOBO/Asus EN9500GT graphics/2GB RAM/total 2TB HDD space/HVR-2200 & 2X 150MCE tuner cards/LG GGC-H20L BD Drive/MCE2005/Mediaportal/TVServer 1.1.0Final/LG 55"3D LED-TV/Denon AVR-1803 receiver/X1 projector

1gkar

722 posts

Ultimate Geek

#125423 21-Apr-2008 20:58

Another thought sprung to mind when re-reading you're first post, could it be a deinterlacing issue?

No1Daemon

172 posts

Master Geek

#125550 22-Apr-2008 13:23

I did an install of Mediaportal RC1 and a directx march 2008 update yesterday and it seems to have made a big imrovement.
I don't know if it was the quartz.dll issue or not, I have seen postings about that in the past but I thought that would have been solved a long time ago by more current directx installations.

Samsung

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Bewildered

107 posts

Master Geek
+1 received by user: 31

#125749 23-Apr-2008 08:00

Not sure if relevant - had jerky video in MP with DVB-S playback. Fixed by changing MP MPEG2 playback decoder from MP MPEG2 to MS MPEG2 - fixed it instantly....

b>

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Why does this always happen to me?

1gkar

722 posts

Ultimate Geek

#125876 23-Apr-2008 13:30

No1Daemon: I did an install of Mediaportal RC1 and a directx march 2008 update yesterday and it seems to have made a big imrovement.
I don't know if it was the quartz.dll issue or not, I have seen postings about that in the past but I thought that would have been solved a long time ago by more current directx installations.

We're talking about Microsoft here

No1Daemon

172 posts

Master Geek

#125882 23-Apr-2008 13:47

Fair call. I never trust them to fix anything reliably, so I shouldn't make assumptions at all.

Thanks for pulling me back to reality!

RichardRidout

5 posts

Wannabe Geek

#131252 16-May-2008 13:42

I am using the nVidia 8600GT and had jerky video. The problem is now fixed and I have CPU usage <10%. I would suggest the following steps:

Enable Hardware Acceleration; Go to Configuration Menu in Cyberlink PowerDVD and select Enable Hardware Acceleration (nVidia PureVideo) in the Video Tab.

Enable Deinterlacing; Go to Configuration Menu in Cyberlink PowerDVD and select Advanced in the Video Tab. Select Perform Deinterlacing.

Codecs/Renderers; In your decoder program (MediaPortal, DVBViewer etc..) select Cyberlink as your Codec for all possible options, and use the Vista Enhanced Renderer if you are in using Vista.

Update your Chipset Drivers. Download the Chipset Instalation Utility from Intel: http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&ProductID=861&DwnldID=13799

Hope this helps..

Rich