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Hardware Support Discussions related to using various hardware setups with SageTV products. Anything relating to capture cards, remotes, infrared receivers/transmitters, system compatibility or other hardware related problems or suggestions should be posted here.

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  #1  
Old 08-11-2006, 01:29 PM
asthepenguinfly asthepenguinfly is offline
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Join Date: Jul 2006
Posts: 37
Purevideo And Verticle Lines

In a move to get rid of flicker in my videos, (seems mainly to have to do with the color blue, or blue greens.) Motion across blue (like a news anchor's head moving in front of a background) or a camera movement will cause the blue to flicker like nuts. I've switched my purevideo settings over to prefer vmr9, and deinterlace to "smart". I've turned the flicker filter down on my nvidia control panel (as far down as possible before it actually corrupted the video output). This removed a lot of the flicker in and of itself. All my videos play fine in media player, but sage (once set to VMR9 or default) gives me a jumbled mess, where it seems there are virticle lines (usually comprised of the first frame played) and the rest is all current video. Not sure how to fix this. My resolution is at 640x480, and I'm running nvidia 6150 onboard video. I can't understand why media player would manage the videos fine, and not sage.

Any help would be much appreciated.

EDIT: Occasionally It'll play normal (if not a little jagged) for a little while, and then go into the lines.

Edit As Of 8/13: The lines and stuck frame have been fixed (By a downgrade to the 82 series drivers), all that's left is the flicker which still persists.

Last edited by asthepenguinfly; 08-13-2006 at 06:21 PM.
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  #2  
Old 08-13-2006, 02:20 PM
IncredibleHat IncredibleHat is offline
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Join Date: May 2006
Posts: 352
Not quite sure what you mean... is this DVDs ? Downloaded media ? dvix ? Recorded TV ?

I have a 6150 onboard, and nVideo Purevideo, and DVD playback is flawless... but recorded TV is 'eh' with purevideo (so I use ffdshow instead). But I never noticed "flicking blues" ?
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  #3  
Old 08-13-2006, 04:43 PM
asthepenguinfly asthepenguinfly is offline
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This is live tv and recorded videos. By flicker, I mean... It's as if the brightness increases and decreases fast, like a flicker. Any blue that comes off as "bright" tends to have this problem. Mainly in the background of something like the daily show or colbert report. The blues almost "jump" around.

I'll try ffdshow see if it resolves anything.
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  #4  
Old 08-13-2006, 05:53 PM
asthepenguinfly asthepenguinfly is offline
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Join Date: Jul 2006
Posts: 37
ffdshow didn't do anything in terms of bettering the picture. Do you have a suggestion as to what nvidia drivers to use? Perhaps something that can be solved with the correct drivers. Also, it've noticed the the actual "flicker" is only when another color passes in front of the blue, or there is movement in the blue. It's less bright/dark/bright/dark flickering and more "jumpiness".

The problem is confusing the crap out of me.

Edit: The lines and stuck frame have been fixed (By a downgrade to the 82 series drivers), all that's left is the flicker which still persists.

Last edited by asthepenguinfly; 08-13-2006 at 06:21 PM.
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  #5  
Old 08-13-2006, 07:06 PM
IncredibleHat IncredibleHat is offline
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Posts: 352
I found that v82.05 drivers on my machine actually caused nvidia to ... bomb out. The whole control panel would no longer work, and quality was not as good as the prior driver version I am using. But, everyone seems to have different results!! LOL.

I'm not sure about the flicker though. I havnt seen anything like you are describing. Maybe someone else has and will have better news for you. Sorry.
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  #6  
Old 08-13-2006, 07:45 PM
asthepenguinfly asthepenguinfly is offline
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Hmm, I'll try changing drivers, but hopefully someone else has some ideas. I've even gone through and changed out cables just in case. Does any with the dualtv have capture problems like this? I highly doubt it's capture related, but still.
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  #7  
Old 08-16-2006, 12:03 PM
emok emok is offline
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Join Date: Jan 2006
Location: San Francisco Bay Area
Posts: 189
I just saw this thread. Just wanted to add that I had the same problem and I solved it the same way (downgrading to MSI supplied forceware drivers): http://forums.sagetv.com/forums/showthread.php?t=19140
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