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Old 19th June 2014, 12:02   #26681  |  Link
leeperry
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Quote:
Originally Posted by madshi View Post
Yes, please.
So as promised they asked AMD about the copyback nonsense, they replied that their engineering team was aware of the problem but didn't have the time to look at it.

Last edited by leeperry; 19th June 2014 at 12:07.
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Old 20th June 2014, 05:20   #26682  |  Link
truexfan81
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Originally Posted by leeperry View Post
So as promised they asked AMD about the copyback nonsense, they replied that their engineering team was aware of the problem but didn't have the time to look at it.
Wow now that is excellent customer service right there.
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Old 20th June 2014, 05:31   #26683  |  Link
Mangix
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Originally Posted by cyberbeing View Post
NVIDIA users should beware that the 340.43 Beta seems to have a bug which causes Custom Resolutions created by previous drivers to be ignored. They must have accidentally or otherwise changed the binary format of the CustomDisplay registry key slightly, making this new driver think the old key is corrupt. You can create them from scratch again, but rather annoying if you had a lot of special custom timings. YMMV.
Can't you just do EDID overrides instead? They're limited to four resolutions but they should work. Well, pixel clock accuracy might be an issue.
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Old 20th June 2014, 08:35   #26684  |  Link
Plutotype
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FSE blackscreen

Hi folks,
Win7 x64 ( Aero disabled ), madvr 0.87.10, MPC-HC nightly, Reclock, AMD HD7750 ( 14.4 WHQL ), Samsung UE65H8500 ( UHD TV ) connected directly per HDMI. 23.976fps movie played back on 3840x2160p24 resolution.
Playback in windowed mode works fine ( fullscreen as well ), but switching on fullscreen exclusive mode, when going fullscreen causes black screen and the playback stops there.
http://www.mediafire.com/download/59...adVR_-_log.rar

Any hint please what blackscreens the FSE mode?
Thanks
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Old 20th June 2014, 13:58   #26685  |  Link
YxP
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Quote:
Originally Posted by Plutotype View Post
Hi folks,
Win7 x64 ( Aero disabled ), madvr 0.87.10, MPC-HC nightly, Reclock, AMD HD7750 ( 14.4 WHQL ), Samsung UE65H8500 ( UHD TV ) connected directly per HDMI. 23.976fps movie played back on 3840x2160p24 resolution.
Playback in windowed mode works fine ( fullscreen as well ), but switching on fullscreen exclusive mode, when going fullscreen causes black screen and the playback stops there.
http://www.mediafire.com/download/59...adVR_-_log.rar

Any hint please what blackscreens the FSE mode?
Thanks
Try without Reclock. Hasn't happened to me since I got rid of it.
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Old 20th June 2014, 15:10   #26686  |  Link
Meulen92
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Quote:
Originally Posted by Plutotype View Post
Hi folks,
Win7 x64 ( Aero disabled ), madvr 0.87.10, MPC-HC nightly, Reclock, AMD HD7750 ( 14.4 WHQL ), Samsung UE65H8500 ( UHD TV ) connected directly per HDMI. 23.976fps movie played back on 3840x2160p24 resolution.
Playback in windowed mode works fine ( fullscreen as well ), but switching on fullscreen exclusive mode, when going fullscreen causes black screen and the playback stops there.
http://www.mediafire.com/download/59...adVR_-_log.rar

Any hint please what blackscreens the FSE mode?
Thanks
Sometimes happened to me when i had 'alternative interop hack' enabled in the image doubling settings.
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Old 21st June 2014, 04:08   #26687  |  Link
baii
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What is the cheapest downscale algorithm to use for device like windows tablet?

I try all of them and seem DXVA is the cheapest, am i right?

The only thing concern here is color management, other than that, don't mind turning down everything else/use any option to lower the load.
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Old 21st June 2014, 10:52   #26688  |  Link
6233638
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Quote:
Originally Posted by baii View Post
What is the cheapest downscale algorithm to use for device like windows tablet?

I try all of them and seem DXVA is the cheapest, am i right?

The only thing concern here is color management, other than that, don't mind turning down everything else/use any option to lower the load.
It depends on the hardware. That's possibly true for Intel hardware, but probably not with Nvidia.

Check the render stats to see. (hit CTRL+J when a video is playing, shorter times are better)
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Old 21st June 2014, 12:56   #26689  |  Link
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Hi, I'm considering NUC for my next HTPC, does the i3 CPU with Intel® HD graphics 4400 good enough for MadVR (not extreme settings) with 1080P content?
Thank you in advance!
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Old 21st June 2014, 21:18   #26690  |  Link
ryrynz
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Quote:
Originally Posted by somy View Post
Hi, I'm considering NUC for my next HTPC, does the i3 CPU with Intel® HD graphics 4400 good enough for MadVR (not extreme settings) with 1080P content?
Thank you in advance!
Should be fine providing you're displaying on a ~1080 screen.
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Old 21st June 2014, 22:03   #26691  |  Link
tjcinnamon
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Quote:
Originally Posted by cyberbeing View Post
StinDaWg, do you see the same when using Spline 3-tap AR upscaling/downscaling, NNEDI3 256 chroma upscaling, NNEDI3 256 luma doubling?

Testing with 256 neurons is to rule out AR enhancing an NNEDI3 artifact. NNEDI3 has a tendency to produce blocky artifacts on high contrast text edges in particular. Only 256 neurons is completely immune.

Testing with Spline 3-tap is again to rule out potential anomalies. madVR's AR algorithm used with all resizers except Jinc was originally tuned to be near optimal (>95% eliminated ringing, without loss of detail loss or sharpness) only with Spline 3-tap. AR has always produced residual ringing artifacts with Lanczos3/4/8, Bicubic75/100, Spline4, and Jinc3/4 which exponentially become more visible with higher taps. The low ringing and soft algorithms on the other hand experience a slight loss of detail and sharpness with AR.


I'd also be curious if you can you reproduce this with madVR v0.87.8, which is prior to madVR correcting NNEDI3's 0.5 pixel shift when performing additional scaling. When pixel peeping I noticed that the text in your AR screenshots appears shifted slightly left & up compared to the non-AR screenshots, which is a bit strange.
What kind of beastly machine do you have where you can run 256 neurons (with no dropped frames)?!?!?
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Old 21st June 2014, 22:37   #26692  |  Link
cyberbeing
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With a higher-end GPU, 256 neurons on SD content should be within reason.

Though the intention of that post was only to take screenshots of the end result to rule out NNEDI3 artifacts, not actually watching the video in motion.

Last edited by cyberbeing; 21st June 2014 at 22:56.
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Old 22nd June 2014, 04:35   #26693  |  Link
tjcinnamon
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Originally Posted by cyberbeing View Post
With a higher-end GPU, 256 neurons on SD content should be within reason.

Though the intention of that post was only to take screenshots of the end result to rule out NNEDI3 artifacts, not actually watching the video in motion.
I suppose I could run it too so long as it was screenshots.

with 1080p content do I even need to use LUMA image doubling NNEDI3 if my monitor resolution is max 1080p?
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Old 22nd June 2014, 08:19   #26694  |  Link
Asmodian
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Image doubling will not run if scaling is not needed, even if set to "always".

I can run 256 neuron luma doubling on 360p -> 1440p @ 30 Hz on a ~1GHz Titan.

Last edited by Asmodian; 22nd June 2014 at 08:24.
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Old 22nd June 2014, 09:38   #26695  |  Link
michkrol
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Originally Posted by Asmodian View Post
I can run 256 neuron luma doubling on 360p -> 1440p @ 30 Hz on a ~1GHz Titan.
For informational purposes, my GTX 750 Ti overclocked to ~1,4GHz can do luma doubling with 256 neurons and Jinc3 upscaling on 360p -> 1080p at 25fps, with average render times around 39ms and GPU usage around 93%
That's cutting it really close, but playback is stable
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Old 22nd June 2014, 10:31   #26696  |  Link
-Hitman-
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Basic settings help

Hi,

I've just started getting into Madvr but I have a minor GFX clipping problem that has plagued me for years and need help resolving it especially now using a quality renderer, i'm at a brick wall before I can carry on.

I have always used amd cards and using a common pluge pattern I have always had to up bri +2 and lower contrast -2 in the CCC settings to get all bars to show correctly, the consensus seems to be that the GFX driver settings for color should be untouched but this gives me a 19-233 video output, current new card is an amd R9 790, this is exactly the same result!

I have tried my onboard haswell 4600, same result as if something is clipping the video slightly.

With madvr integrated into the chain, my settings for colorspace are amd CCC - dynamic range 0-255 - video hdmi output - 0-255 - madvr 16-235 - display set to 16-235 (Pioneer KRP600M).

This gives the same 19-233 output, any change to the above gives either all bars 0+ and washed out or no bars at all on the black clipping pattern with heavy clipping.

I tried just adjusting madvr bri/cont which required bri +10, cont -40 to get 17/18 and 234/235+ bars to show correctly but the video image was a mess and overblown!

This is really frustrating me and need help

EDIT: My display has been calibrated using a bluray player and calman5, so it's not the display clipping.

Last edited by -Hitman-; 22nd June 2014 at 10:40.
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Old 22nd June 2014, 14:30   #26697  |  Link
6233638
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Your KRP-600M should have no problems with clipping.
I don't understand why you would set the display to 16-235 when the video card is outputting 0-255.

Set the video card, display and madVR all to 0-255.
madVR will expand the 16-235 video range to 0-255. (below black and above white will not be visible)

Last edited by 6233638; 22nd June 2014 at 14:39.
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Old 22nd June 2014, 15:22   #26698  |  Link
Plutotype
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Quote:
Originally Posted by Meulen92 View Post
Sometimes happened to me when i had 'alternative interop hack' enabled in the image doubling settings.
Thanks, the user has HD7750, cant use any doubling and the interop hack is disabled.

Quote:
Originally Posted by YxP View Post
Try without Reclock. Hasn't happened to me since I got rid of it.
Thanks as well, with or without Reclock it gives same result - black screen ( no rendering ).

But during testing I found out, that the FSE does NOT work only when the 23.976fps 1080p movie is played back on a 2160p ( 3840x2160p24 ) resolution target. FSE works ok when changing it to 1080p24 in the display devices section. So my problem with FSE is related only when using it to render in the UHD resolution.
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Old 22nd June 2014, 15:43   #26699  |  Link
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Originally Posted by 6233638 View Post
Your KRP-600M should have no problems with clipping.
I don't understand why you would set the display to 16-235 when the video card is outputting 0-255.

Set the video card, display and madVR all to 0-255.
madVR will expand the 16-235 video range to 0-255. (below black and above white will not be visible)
this way the gpu has to change it to 16-235. don't forget his tv doesn't support 0-255.

is this a general problem or madvr only.

you said your screen is calibrated but you change CCC this doesn't make sense. if your screen is calibrated this is not needed.

and on top of it with your current setup everything except MadVR is clipped. how do you use that picture to calibrate the screen?

to me this sounds like a wrong not calibrated screen and not an issue with MadVR.
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Old 22nd June 2014, 16:16   #26700  |  Link
6233638
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Originally Posted by huhn View Post
don't forget his tv doesn't support 0-255.
All the Kuros support 0-255.


Edit: Actually, I'm not 100% certain if the US consumer models do - they were stripped down compared to the ones sold elsewhere, to sell people on the "Elite" models.
Outside USA there was only one range of consumer sets, equivalent to the "Elite" without the branding, if I remember correctly.

The KRP-600M, being the pro monitor, absolutely does though.

Last edited by 6233638; 22nd June 2014 at 16:24.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling

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