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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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 Link Posted: Thu Dec 18, 2008 10:40 pm Post subject: possible gamma solution for ati users...or any HTPC user. |
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Free app developed by someone at avsforum...could allow for a very precise gamma and greyscale for those of us who go the HTPC route. Would probably allow for tuning out the blue hump AND clearing up low level gamma!
http://www.avsforum.com/avs-vb/showthread.php?t=1097653
This has swayed me back to the ATI camp...as I want to screw around with custom resolutions and I'm not sure NVidia would be good in that realm.
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Link Posted: Sat Dec 20, 2008 8:16 pm Post subject: |
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Did you try it? Does it work?
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Zebu Fellenz
Joined: 21 Dec 2006
Posts: 2567
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| Link Posted: Sat Dec 20, 2008 8:41 pm Post subject: |
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I haven't tried the most recent release but an earlier release had problems either with my Nvidia card or Vista. I'll try this when I get a chance and report back.
Erik
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WanMan
Joined: 19 Mar 2006
Posts: 10273
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| Link Posted: Sun Dec 21, 2008 1:01 pm Post subject: |
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I'm not surprised if you attempted this under a Vista environment, because Vista prevents direct access to hardware. Its part of M$' strategy to control you.
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Trust no one. Absolutely no one. Advice of the board.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Link Posted: Mon Dec 22, 2008 1:47 am Post subject: |
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It won't work for Powerdvd/TMT, on an ATi card.
It's just another way to fiddle with the desktop gamma, which accelerated video (DXVA) ignores.
You need to playback mkv files in MPC or Zoom Player using the Haali Renderer or VMR7/9 or EVR - in software.
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perisoft
Joined: 29 Aug 2007
Posts: 2920
Location: Ithaca, NY
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| Link Posted: Fri Dec 26, 2008 9:05 pm Post subject: |
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| Mark_A_W wrote: | It won't work for Powerdvd/TMT, on an ATi card.
It's just another way to fiddle with the desktop gamma, which accelerated video (DXVA) ignores.
You need to playback mkv files in MPC or Zoom Player using the Haali Renderer or VMR7/9 or EVR - in software. |
The guy made a point of saying it altered the hardware LUT *on the card* and so should indeed with with accelerated video. Have you tested it, or are you just going based on previous experience?
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Link Posted: Fri Dec 26, 2008 10:49 pm Post subject: |
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Good point. I didn't test it (well I loaded it but didn't fiddle, as I didn't want to mess my gamma).
Please test it and let us know!
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Link Posted: Fri Dec 26, 2008 11:36 pm Post subject: |
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I'd be very interested to hear any results...I'll have a new pc by early next week! Ati based 780g...
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perisoft
Joined: 29 Aug 2007
Posts: 2920
Location: Ithaca, NY
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| Link Posted: Sat Dec 27, 2008 12:01 am Post subject: |
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I'm traveling for a week (at least... nothing like a business trip with an indeterminate end date...) but you can damn well bet that when I get back, I'm kissing my wife, hugging my baby, and going down to the HT to do some bluray installin', since I got a BD drive for xmas!  So yeah, I'll definitely have a go with it. Wall-e has some excellent low APL scenes that test the hell out of gamma, too - things that look great with the right gamma but are utterly unintelligible without.
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Link Posted: Mon Dec 29, 2008 12:41 am Post subject: |
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OK,
This might be a solution. It seems that the aftermarket Omega drivers have a new Gamma functionality.
Anyone willing to give it a try with the ATI cards?
http://www.3dacc.net/page.php?id=3663
They fixed the problems I was having with an old laptop as well 
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Link Posted: Tue Dec 30, 2008 10:17 am Post subject: |
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I still don't reckon any of the gamma tweaks will work in Overlay.
I'll give the Omega drivers a go - I always used to run them.
But I'm happy with remuxing to MKV and running Zoomplayer with the Haali Renderer - then I get Gamma through Powerstrip or VideoEqualizer or PCGG.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Link Posted: Tue Dec 30, 2008 12:35 pm Post subject: |
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Oh, and those Omega drivers are a year old.
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Link Posted: Tue Dec 30, 2008 3:42 pm Post subject: |
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| Mark_A_W wrote: | I still don't reckon any of the gamma tweaks will work in Overlay.
I'll give the Omega drivers a go - I always used to run them.
But I'm happy with remuxing to MKV and running Zoomplayer with the Haali Renderer - then I get Gamma through Powerstrip or VideoEqualizer or PCGG. |
Let us know how you get on I am trying to buy an old 7950GT card, as that will fix the problem in the shortrun
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Link Posted: Tue Dec 30, 2008 3:52 pm Post subject: |
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Well, I won't get the card. It was a 256mb version used, I offered $55 the seller won't go below $70 and they live 1 hr from me, so I'll have ot wait to find another one
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