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Old 26th November 2021, 17:29   #62401  |  Link
SamuriHL
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Yes, the performance should be better running native 64 bit code on a 64 bit processor with a 64 bit OS. Running 32 bit in that case provides no benefit at all.
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Old 26th November 2021, 17:50   #62402  |  Link
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Ok - I know years ago there were stability differences between the 32 and 64 bit versions - so I figured I would ask since I am experiencing some of those odd issues.

Speaking of that - I watched some 24.000 fps content the other day, and was experiencing stuttering playback (23.976 content was playing fine). MadVR changed the resolution to 24.000 just fine, and was showing no dropped frames or glitches.

Turns out setting the present cue frames down to 1 solved that issue (I had randomly set this to 3 when trying to mess with my previous problem).

So thanks to Asmodian! I remembered he specifically had to set his present to 1.

Odd that 23.976 content played fine, but not 24.000 - but both are doing well now!
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Old 26th November 2021, 18:31   #62403  |  Link
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I have something set incorrectly in madVR for this profile. The jagged stair stepped edges are terrible. Other players without madVR display better. Tried a few different settings in madVR but it didn't clean-up. Hoping for some tips from you guys.



https://imgur.com/pgscKtF
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Old 26th November 2021, 19:20   #62404  |  Link
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Quote:
Originally Posted by brazen1 View Post
Hoping for some tips from you guys.
Don't use D3D11 Native decode, use D3D11 copyback or DXVA2.
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Old 26th November 2021, 19:58   #62405  |  Link
huhn
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tiem to say it again stop recommanding d3d11 native for madVR it can not use it correctly.

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Meaning better performance?
if you don't have access to enough memory performance is not an issue anymore because it will crash.
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Old 26th November 2021, 20:26   #62406  |  Link
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^^^ LMAO! Yea, that's definitely one way to look at it. It is correct but it's also funny.
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Old 26th November 2021, 20:38   #62407  |  Link
brazen1
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Originally Posted by lvqcl View Post
Don't use D3D11 Native decode, use D3D11 copyback or DXVA2.
Thank you so much for the suggestion. LAV DXVA2 cleaned it right up.

I have a very diverse collection of just about every format I can think of. Apart from this one low 480p res video, will using DXVA2 instead of D3D11 Native have a negative impact on other videos such as 1080p SDR or 2160p HDR?
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Old 26th November 2021, 21:10   #62408  |  Link
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You can also enable software deinterlacing in LAV Video to solve the problem. Then it will automatically switch from Native to Copyback mode when needed.
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Old 26th November 2021, 21:56   #62409  |  Link
LordX2
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Wait - so DON'T use D3D11 native?

I thought I saw a post a little while back specifically saying not to use DXVA2 Native.

I don't use black bar detection - so is there any reason to use copyback at all?

If I don't need copyback, which Native is the right one to use, D3D11 or DXVA2?
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Old 26th November 2021, 22:41   #62410  |  Link
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Software decoding is so much simpler. I'm glad that I always have a CPU that can handle anything I throw at it!

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Old 27th November 2021, 01:24   #62411  |  Link
huhn
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Originally Posted by LordX2 View Post
Wait - so DON'T use D3D11 native?
using it is fine it should just not be recommended to other user or this will sooner or later happen.

Quote:
I thought I saw a post a little while back specifically saying not to use DXVA2 Native.
yes don't use it with madVR it will lower image quality in terms of chroma and chroma position with nvidia.
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I don't use black bar detection - so is there any reason to use copyback at all?
to get deint,
Quote:
If I don't need copyback, which Native is the right one to use, D3D11 or DXVA2?
there is no clear answer to that. d3d11 native has perfect quality while been fast but all copyback decoder have also perfect quality but they also support all kinds of features unlike d3d11 native.

the issue is on madVR d3d11 native did nothing wrong here just to make that clear.
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Old 27th November 2021, 01:33   #62412  |  Link
LordX2
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using it is fine it should just not be recommended to other user or this will sooner or later happen.


yes don't use it with madVR it will lower image quality in terms of chroma and chroma position with nvidia.

to get deint,

there is no clear answer to that. d3d11 native has perfect quality while been fast but all copyback decoder have also perfect quality but they also support all kinds of features unlike d3d11 native.

the issue is on madVR d3d11 native did nothing wrong here just to make that clear.
Thank you for the detailed response huhn!

What are the issues with MadVR and D3D11 Native? The jaggies that the other user experienced?

Using D3D11 Native and NGU Anti-Aliasing on High, I don't notice any jaggies in particular. Although my content is limited to 4K and 1080p - so de-interlacing should also never come into the equation.
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Old 27th November 2021, 02:19   #62413  |  Link
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What are the issues with MadVR and D3D11 Native? The jaggies that the other user experienced?
Only the missing features, like deinterlacing and black bar detection. The "jaggies" are due to missing deinterlacing when watching interlaced video, if do not watch anything interlaced this is not an issue.

If you do not need those then D3D11 Native is the fastest option, and it has no quality issues, unlike DXVA2 Native (with Nvidia).
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Old 27th November 2021, 02:49   #62414  |  Link
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Quote:
Originally Posted by Asmodian View Post
Only the missing features, like deinterlacing and black bar detection. The "jaggies" are due to missing deinterlacing when watching interlaced video, if do not watch anything interlaced this is not an issue.

If you do not need those then D3D11 Native is the fastest option, and it has no quality issues, unlike DXVA2 Native (with Nvidia).
Awesome! Thank you.
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Old 27th November 2021, 02:54   #62415  |  Link
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What can I do when madvr do not work on the second display ?

Windows 11
Driver 496.73
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Old 27th November 2021, 04:24   #62416  |  Link
LenniePaz
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If we have D3D11 chosen in LAV Video, along with choosing the GPU, that enables copy back, correct? My MadVR OSD is still saying D3D11 fullscreen windowed, but shouldn't it say copy back?

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Old 27th November 2021, 08:00   #62417  |  Link
huhn
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Quote:
Originally Posted by vanschneidermann View Post
What can I do when madvr do not work on the second display ?

Windows 11
Driver 496.73
wait for madshi to finish his win 11 build.

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If we have D3D11 chosen in LAV Video, along with choosing the GPU, that enables copy back, correct? My MadVR OSD is still saying D3D11 fullscreen windowed, but shouldn't it say copy back?
the lavfilter d3d11 doesn't affect madVR presentation they are not directly related no decoding setting will change the presenation mode.

the line below at teh end in the ()that tells you where it get's the image/decoded image from which is for nothing copyback, software or even a capture card it just means from the "CPU" doesn't matter where it was before that. d3d11 from a d3d11 application usually a d3d11 decoder and DXVA2 from a d3d9 application.
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Old 27th November 2021, 15:00   #62418  |  Link
LenniePaz
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Quote:
Originally Posted by huhn View Post
wait for madshi to finish his win 11 build.





the lavfilter d3d11 doesn't affect madVR presentation they are not directly related no decoding setting will change the presenation mode.



the line below at teh end in the ()that tells you where it get's the image/decoded image from which is for nothing copyback, software or even a capture card it just means from the "CPU" doesn't matter where it was before that. d3d11 from a d3d11 application usually a d3d11 decoder and DXVA2 from a d3d9 application.
I don't quite understand what you're saying. Do I have copy back enabled, or no?

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Old 27th November 2021, 16:07   #62419  |  Link
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Hi I got a HP Z27q 27-inch IPS 5K display, see: https://support.hp.com/us-en/document/c04591534
Problem is madVRs identification does show totally wrong values for it:

-> How can I fix this? Is there something to fix?
(to be clear: not the hdr part, but resolution and bit depth)
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Last edited by Selur; 27th November 2021 at 16:15.
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Old 27th November 2021, 19:13   #62420  |  Link
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Has anybody noticed stutters / frame drops lately, perhaps with nivida GPUs? I haven't changed anything on my system lately (apart from installing a new driver) and I'm getting short frame drops / stutters that aren't reported by madVr but clearly visible.
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