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Old 9th October 2011, 11:40   #10041  |  Link
nand chan
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Quote:
Originally Posted by cca View Post
Out of the question, I don't want to transform the card into a toaster. Too drastic of a measure to kill all power savings of the card.

EDIT: found a way through AMD Overdrive profiles. No effect to my problem, something else is causing it.
Note that you can also do this by changing a few lines in your profile's .ini. I wasn't aware that Overdrive could affect 2D clocks.
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Old 9th October 2011, 13:38   #10042  |  Link
THX-UltraII
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Quote:
Originally Posted by Boltron View Post
In the madVR display mode changer field, you enter all the valid refresh rates your set supports, madVR will then choose the best choice automatically based on the file being played.

Make sure to enter only valid rates and make sure to turn off any other rate changer like the one in MPC-HC.

Check out http://forum.doom9.org/showthread.php?t=146228&page=362
I ve read 10+ pages from this page but it still is not clear to me precisely:

First of all, treat 25fps as 23,976 option in madVR will not work in my setup. This is because I ONLY bitstream and if I am correct this function only works when you let the decoding by done by the HTPC.

I ll explain exacly what I want to do so you can tell me if this is possible or not:

80% of the content I play is 1080p@23,976. That why my standard ATI setup is 1080P23 (ATI 23=23,976). 15% of the content I play is 1080p@25,000fps so what I want is that with this content madVR let s my output switch to 1080p@25Hz. The rest of my content (5%) is tv-shows material and movie trailers. These can be anything like 59, 29, 24Hz. For this content I would also like that madVR tells my videocard to switch to the best compatible output res.+freq.
What i DONT want (and which I ve read on some pages) is that madVR switches my video output to 1080p@24 for 23,976 material or 1080p60 for 25fps material.

Pitty that MPC-HCs own changer does not work with madVR because this is very finetuned.
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Old 9th October 2011, 13:42   #10043  |  Link
noee
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Have you actually tried it yet for your various sources? Does your monitor actually support 25Hz? Remember, do not set a refresh rate in madVR that your monitor will not support.

Why don't you just try it and report back what you can't get working?
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Old 9th October 2011, 15:24   #10044  |  Link
THX-UltraII
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Originally Posted by noee View Post
Have you actually tried it yet for your various sources? Does your monitor actually support 25Hz? Remember, do not set a refresh rate in madVR that your monitor will not support.

Why don't you just try it and report back what you can't get working?
No, have not tried it yet. But I m just wondering what video output madVR will pick when 29,97 material is played and I have filled in 1080p29 AND 1080p30 in the madVR settings.
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Old 9th October 2011, 21:04   #10045  |  Link
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Quote:
Originally Posted by nevcairiel View Post
D3D11 works for playback for me as well, however its somewhat unusable because exiting FSE doesnt re-draw the desktop or the player properly.

I've had the queues dropping low problem as well with some settings, but the current setup is working just nice.
Regarding this earlier discussion, I've been testing out what works without the render and present queues dropping (present drops to zero and then glitches start) on H.264 720p 30p content (haven't tested much other so maybe happens with other formats as well) without having to use D3D11. The flush settings don't seem to do anything either way.

I had set it to present 10 frames in advance and that worked. 8 didn't work, and the render queue still dropped a bit, and the present queue slowly to zero again. At 10, present stays 7-9/9 for the most part. But then I just noticed that playing 24p content when switching to exclusive mode, the damn silent stream bug hits and I have to wait 1-2 seconds to hear sound again... Not so when presenting lower number of frames in advance, like the default 4.

So just to see what would happen, I decided to make it 2, and surprisingly the render queue stays solidly at 5-7/8, and present queue at 1-2/2 without dropping to zero at all. I then tried 3, and it also works, at 5-7/8 and 2-3/3 respectively. After that, so far so good.
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Old 9th October 2011, 22:53   #10046  |  Link
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I`ve recently upgraded from my old GTX260 (which served me very well and madVR ran great with it) to a shiny new GTX570 which is almost silent. (ASUS Direct CUII cooling, I am quite impressed). What is surprising for me is that madVR still runs great with the same settings I used for my old card and even the same drivers (newest quadro or geforce beta 285.38, both run great).

I didn´t expect this since I was getting the impression from reading this thread that newer cards have some unusual problems.

madshi:
Like you already wrote in this thread, the D3D11 path also works best for me (23.976fps or 24fps@24Hz). However, it would be great if you could improve it to the point where going out of FSE mode to windowed draws the desktop each time.

Currently, after you start playback of a file, switching usually works 2-3 times but stops working for no reason and then starts to work again, etc. It is quite random. Switching works in every other mode or path I´ve tested, so there must be something weird going on specifically when you enable D3D11. A workaround is to pause the file and switch when in pause and then start playback again.

Other than that madVR is smooth as butter and I wouldn´t trade it for anything else.

Last edited by iSunrise; 9th October 2011 at 22:57.
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Old 10th October 2011, 11:27   #10047  |  Link
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Can someone tell me the advantages of using DX11 and/or Exclusive mode in madVRs options?

I get very choppy playback (but no difference in CPU/GPU load) when I enable exclusive mode. Using LAV Filters with CUDA and GTX460 together with MPC-HC.
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Last edited by bran; 10th October 2011 at 14:04.
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Old 10th October 2011, 20:15   #10048  |  Link
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Just found the calibration option in madVR. I own a JVC RS25 projector which is ISF calibrated by a professional. What should I choose in madVR?
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Old 10th October 2011, 21:57   #10049  |  Link
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Quote:
Originally Posted by THX-UltraII View Post
Just found the calibration option in madVR. I own a JVC RS25 projector which is ISF calibrated by a professional. What should I choose in madVR?
If it's already calibrated "professionally" then choose "this display is already calibrated", of course.
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Old 11th October 2011, 00:38   #10050  |  Link
nand chan
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Quote:
Originally Posted by THX-UltraII View Post
Just found the calibration option in madVR. I own a JVC RS25 projector which is ISF calibrated by a professional. What should I choose in madVR?
Quote:
Originally Posted by XRyche View Post
If it's already calibrated "professionally" then choose "this display is already calibrated", of course.
It's careful to note here that you can't confuse “calibrated” with “profiled”, or confuse the different types of calibration with eachother. There are basically multiple possibilities of what has happened here:

1. The projector is hard calibrated in such a way that the gamma, gamut and white point are adjusted correctly. In this case, just choose “this monitor is already calibrated”.

2. The projector is hard calibrated in such a way that the gamma and gamut are adjusted, but the white point is not. In this case, determine your projector's white point and calculate a chromatic adaptation matrix, then load that (as .3dlut).

3. The projector is hard calibrated in such a way that the gamma is adjusted, but the gamut is not - in this case, the gamut will be profiled (eg. as ICC profile), and gamut correction has to be calculated manually (eg. with a 3dlut or the built in yCMS option)

4. The projector is not hard calibrated at all, but contains a soft calibrated gamma (CLUTs) along with an ICC profile (the two are usually combined into the same file). In this case, you will need to fix both gamut *and* gamma using a 3dlut.

I don't know which of these is the case for you as they're all valid solutions in practice, and all just as common. Personally, I use option 4 because my projector/monitor does not support hard calibration (well, it does - but it only includes a few hard calibrated options - in particular sRGB, for which it is option 2).

Edit: It sounds like the ISF calibration just fixes the white point to be at precisely 6500K (which is also incorrect, incidentally, but I trust that the “professional” doing your calibration knows this) - I don't know how well and to what standard your gamma is calibrated and I don't know anything at all about your gamut. Do you know if your calibration has performed this additional task and how well? Is there something like a calibration report that he gave you?

I'll have to do some research on your projector.

Edit 2: It sounds like you have at least a “THX Mode” which is supposed to be (in theory) calibrated to 2.2 PPC, D65 and BT.709. Can you confirm how many color “modes” you have, and which one you are using?
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Last edited by nand chan; 11th October 2011 at 00:58.
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Old 11th October 2011, 01:06   #10051  |  Link
Mark_A_W
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Why is 6500k incorrect?

BTW, I've tried to use madVR/yCMS for my setup (running a CRT projector, measuring with HCFR) and the results are not good. There seems to be a bug in the system somewhere, the whites are fluro green.

Options 2, 3 and 4 are not for the faint hearted/newbie.....
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Old 11th October 2011, 01:11   #10052  |  Link
nand chan
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Quote:
Originally Posted by Mark_A_W View Post
Why is 6500k incorrect?

BTW, I've tried to use madVR/yCMS for my setup (running a CRT projector, measuring with HCFR) and the results are not good. There seems to be a bug in the system somewhere, the whites are fluro green.

Options 2, 3 and 4 are not for the faint hearted/newbie.....
If the whites end up green then there is something quite strange going on indeed. What are the measurements you're pasting to the yCMS frame (in madVR)? If you're using your own .3dlut, it's quite possible you're mixing up YUV with RGB somewhere. Madshi changed how this works a while back, the new requirements for a .3dlut are:

Input: 8 bit integer, channel order: BGR, color space is the tagged input primaries (the ones in the meta data), gamma is 2.2 pure power curve, limited range, with chromatic adaption to D65.

Output: 16 bit integer, channel order: BGR, color space is your monitor's, gamma is your monitor's, limited range, with chromatic adaptation to the display's white point.

Edit: Forgot to answer your question, D65 is in fact approximately 6504K, not 6500K.
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Last edited by nand chan; 11th October 2011 at 01:29.
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Old 11th October 2011, 01:37   #10053  |  Link
leeperry
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Quote:
Originally Posted by nand chan View Post
D65 is in fact approximately 6504K, not 6500K.
which is within the error margin of any colorimeter, let alone the utterly inaccurate HCFR
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Old 11th October 2011, 02:02   #10054  |  Link
Mark_A_W
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Quote:
Originally Posted by nand chan View Post
If the whites end up green then there is something quite strange going on indeed. What are the measurements you're pasting to the yCMS frame (in madVR)? If you're using your own .3dlut, it's quite possible you're mixing up YUV with RGB somewhere. Madshi changed how this works a while back, the new requirements for a .3dlut are:

Input: 8 bit integer, channel order: BGR, color space is the tagged input primaries (the ones in the meta data), gamma is 2.2 pure power curve, limited range, with chromatic adaption to D65.

Output: 16 bit integer, channel order: BGR, color space is your monitor's, gamma is your monitor's, limited range, with chromatic adaptation to the display's white point.

Edit: Forgot to answer your question, D65 is in fact approximately 6504K, not 6500K.
I was testing the integrated yCMS in the newer versions of madVR. You paste your measurements directly in from HCFR.

It's possible I made a mistake (there was one mistake I have corrected), as the direction of rows and columns is different - it's a painful process.

What I am really trying to say, is this is not easy, and frankly I'm not aware of anyone getting it working properly (correct me if I'm wrong.....PLEASE!!).

Oh, and 6504k vs 6500k....um....really? Even 6600k or 6400k are basically invisible to the naked eye without a reference....unless you are leeperry

My CRT projector's response is messy (even with hours spent tweaking the colours with HCFR and Gamma on the PC...it's...old..) and it still looks fantastic.
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Old 11th October 2011, 02:04   #10055  |  Link
Mark_A_W
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Originally Posted by leeperry View Post
which is within the error margin of any colorimeter, let alone the utterly inaccurate HCFR

What do you mean by that?

My HCFR was calibrated against a calibrated Colorfacts with the expensive Eye One sensor.

It gave basically identical results - certainly good enough for me, and fantastic for $100.
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Old 11th October 2011, 02:14   #10056  |  Link
nand chan
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Quote:
Originally Posted by leeperry View Post
which is within the error margin of any colorimeter, let alone the utterly inaccurate HCFR
I assume a “professional calibrator” will have access to professional-grade equipment, like $5000 spectrophotometers.

Quote:
Originally Posted by Mark_A_W View Post
I was testing the integrated yCMS in the newer versions of madVR. You paste your measurements directly in from HCFR.
Yes, which ones did you paste? Paste them here.

Quote:
It's possible I made a mistake (there was one mistake I have corrected), as the direction of rows and columns is different - it's a painful process.

What I am really trying to say, is this is not easy, and frankly I'm not aware of anyone getting it working properly (correct me if I'm wrong.....PLEASE!!).
Works fine here, even brilliantly so.

Quote:
Oh, and 6504k vs 6500k....um....really? Even 6600k or 6400k are basically invisible to the naked eye without a reference....unless you are leeperry

My CRT projector's response is messy (even with hours spent tweaking the colours with HCFR and Gamma on the PC...it's...old..) and it still looks fantastic.
1/1/1 in 6500K is equal to 1.0001484002173517 / 0.999984246706869 / 0.99971868953766008 at 6504K.

That is, at 16-bit scales, 65544.7254082441436595 / 65533.967607934659915 / 65516.5643188505533428, a difference of 1-20. Regardless of whether or not you can see it, it's a notable enough margin when calibrating a 16-bit gamma curve.
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Last edited by nand chan; 11th October 2011 at 02:20.
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Old 11th October 2011, 02:19   #10057  |  Link
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Quote:
Originally Posted by Mark_A_W View Post
What do you mean by that?

My HCFR was calibrated against a calibrated Colorfacts with the expensive Eye One sensor.

It gave basically identical results - certainly good enough for me, and fantastic for $100.
But its error is larger than +-4K at 6500K, it isn't a super accurate sensor. Sensors that are that accurate are very expensive. I am pretty sure the Eye One isn't. I am sure the HCFR is great for video watching and normal use but you don't need to worry about (and cannot differentiate) the difference between D65 and 6500K.
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Old 11th October 2011, 02:20   #10058  |  Link
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Originally Posted by Asmodian View Post
But its error is larger than +-4K at 6500K, it isn't a super accurate sensor. Sensors that are that accurate are very expensive. I am pretty sure the Eye One isn't. I am sure the HCFR is great for video watching and normal use but you don't need to worry about (and cannot differentiate) the difference between D65 and 6500K.
Depending on which model of Eye One, it will start to enter that area. The Eye One Pro series ranges from $1000 to $4000+.
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Old 11th October 2011, 02:39   #10059  |  Link
Mark_A_W
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Quote:
Originally Posted by nand chan View Post
I assume a “professional calibrator” will have access to professional-grade equipment, like $5000 spectrophotometers.



Yes, which ones did you paste? Paste them here.



Works fine here, even brilliantly so.



1/1/1 in 6500K is equal to 1.0001484002173517 / 0.999984246706869 / 0.99971868953766008 at 6504K.

That is, at 16-bit scales, 65544.7254082441436595 / 65533.967607934659915 / 65516.5643188505533428, a difference of 1-20. Regardless of whether or not you can see it, it's a notable enough margin when calibrating a 16-bit gamma curve.

Primaries:

red, Yxy, 5.112, 0.628, 0.337
green, Yxy, 9.018, 0.294, 0.595
blue, Yxy, 1.672, 0.156, 0.078
white, Yxy, 10.833, 0.321, 0.342


Greyscale:

20, Yxy, 0.301, 0.338, 0.349
30, Yxy, 1.179, 0.316, 0.333
40, Yxy, 2.705, 0.311, 0.335
50, Yxy, 5.037, 0.311, 0.340
60, Yxy, 7.476, 0.315, 0.340
70, Yxy, 10.364, 0.320, 0.341
80, Yxy, 10.603, 0.320, 0.341
90, Yxy, 10.749, 0.321, 0.342
100, Yxy, 10.850, 0.321, 0.342

Quote:
Originally Posted by Asmodian View Post
But its error is larger than +-4K at 6500K, it isn't a super accurate sensor. Sensors that are that accurate are very expensive. I am pretty sure the Eye One isn't. I am sure the HCFR is great for video watching and normal use but you don't need to worry about (and cannot differentiate) the difference between D65 and 6500K.

It was about A$5k. He is a professional calibrator, one of two in Australia (both my mates).

Greytag Macbeth Eye One Pro or somesuch, I forget the exact name. The one you have to take black readings with constantly - it has a little shutter you close to do that.
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Old 11th October 2011, 03:08   #10060  |  Link
Asmodian
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Originally Posted by nand chan View Post
1/1/1 in 6500K is equal to 1.0001484002173517 / 0.999984246706869 / 0.99971868953766008 at 6504K.
From the spec sheet of the X-Rite EyeOne Pro - Enhanced:
Short-term repeatability: x,y: +/- 0.002 typical (CRT 5000°K, 80 cd/m2)

I am sure it is a great calibration system, certainly better than anything I have access to, but that is a very small difference.
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