madVR - high quality video renderer (GPU assisted)

[cyberbeing]

Originally Posted by Jtacdf

I should have mentioned that I only deleted the GPU folder in HKEY_CURRENT_USER\Software\madshi\madVR\OpenCL. It refreshed itself thereafter once I started up madVR. I did not use your nvidia specific kernal at all.

Ah, that makes perfect sense then.

I guess that means madVR may need to be a bit more aggressive with its check deciding when to regenerate the cached OpenCL kernels on AMD systems. Normally madVR does this automatically on driver upgrade, but maybe there is another factor on AMD (crossfire only?) systems.

[Schwartz]

To expand upon that thing I noticed, where render ms appear unusually high or inconsistent with x64 madVR.. that didn't have anything to do with NNEDI3 working or not, but rather something else:

Watching an MPEG-4 video that MPC-HC decodes through software avcodec (using only Spline36/Spline36 for upscaling, Error Diffusion 1, Smooth Motion, all quality tradeoffs disabled), I noticed that CPU usage will rise slowly from 7% to 15% and render ms will likewise go from ~9ms up to ~15ms, which is much more than I've ever seen on a profile that didn't use Image Doubling. I can play 1080p content with Spline36 and not even reach ~9ms, but this 640x480 SD content is bugging out on me. It appears to be less pronounced when watched at 100% zoom, but maximizing the window will produce these effects. The ms increase is not sudden either, but will slowly climb up higher and higher. When the window is maxed and the upscaler kicks in, the values may stay low for as long as 10-20 seconds, suggesting that these extra CPU cycles and render ms aren't actually required to play the movie but come from somewhere else.

This could just as well be a x64 LAV issue I assume, I just don't know.

[Hprd]

Originally Posted by cyberbeing

Though since you also have a GTX770 like I do, applying either of the following registry keys should work so you don't need to mess with any of that.
http://www.mediafire.com?innbjl44crc6pbe

Have a 770 here as well, this fix worked.

[michkrol]

A little late to the party, but thanks madshi for the x64 build
Everything works as expected on my PC.

Originally Posted by Schwartz

To expand upon that thing I noticed, where render ms appear unusually high or inconsistent with x64 madVR.. that didn't have anything to do with NNEDI3 working or not, but rather something else
(...)

Do you get dropped frames or just higher render times and CPU usage?
Isn't it just the power-saving features of your CPU and/or GPU kicking in? Check your CPU and GPU clocks with HWiNFO (free download) or similar software during playback to make sure.
I know I sometimes get higher render times with "lower" setting because my GPU downclocks to save energy, which is not really a bad thing unless you get dropped frames.

[Magik Mark]

Is there a way to stream my set top box to my htpc & apply madvr?

[huhn]

Originally Posted by Magik Mark

Is there a way to stream my set top box to my htpc & apply madvr?

it would be possible to use a capture card to do this but a simple TV card is the better choice.

[paulescobar]

cyberbeing,

Thank you so much!

I did the reg delete & execution of 64-bit MadVR & NNEDI3, as you advised.

Then I went through a bunch of videos with various NNEDI3 settings, and none displayed those artefacs I previously described.

Now I can perform stress tests to see just how much picture can improve with NNEDI3 enabled.

[billqs]

HI! I'm getting video freezes when using MPC-HC 1.7.8 and MadVR latest build to scale to UHD. Video will play to a random point then freeze, but the audio continues to play. I try to engage task manager but all I have after a control+alt+delete is a blank screen. I try to use the control+alt+delete to shutdown the system but I get the same blank screen & no shutdown. I have to do a hard restart with the power switch.

My gear:
Windows 7 64 bit
16GB RAM
i7 3820 CPU
X79A-GD45-PLUS Motherboard
R9 280x AMD Video card

I've managed to rule out MPC-HC directly causing the error as I have switched renderers to EVR CP and played several long video files. I also do not get freezes when using WMP to playback files. My Madvr settings are set to NNEDI3 32 neurons for image doubling, nothing checked for quadrupling, Lancoz for image upscaling (down from Jinc 3 taps to see if that would prevent the freeze- it didn't) bicubic for chroma. I have deblocking set to mild and I have engaged in luma the anti-ringing filter.

I have gotten this error with both 32 bit and 64 bit madvr and also other builds of madvr going back several iterations.

My *guess* is that I'm overpowering the GPU on the R9 280x by getting everything up to 3820x2160. I didn't know if any of you have had similar issues.

[XinHong]

I don't know if this issue is related to madVR or MPC-HC but the "Save Image" function of MPC-HC is broken since 0.87.16, even with the new x64 releases.

I got the following error message: "GetDIB failed, hr=80004005".

Win 7 x64
Intel HD3000 (9.17.10.4101) / [nVidia GT525M (340.52) <- not used]
LAV x64 0.64.0.52-git
MPC-HC x64 1.7.8.162

[iSunrise]

Originally Posted by billqs

...My *guess* is that I'm overpowering the GPU on the R9 280x by getting everything up to 3820x2160. I didn't know if any of you have had similar issues.

Even if you would overpower the GPU, the issues you describe are not exactly normal.

Just disable NNEDI3 altogether, put everything on low settings and run GPU-Z in parallel and slowly go up with the settings so you can find out the optimal settings that are still OK without overloading your system.

If that still causes some weird issues report back.

[kasper93]

@XinHong: Works fine for me. You might want to report this in madVR thread. Probably debug log would help to diagnose the problem. In madVR folder run "activate debug mode.bat" and log will be generated on desktop.

EDIT: I thought we are in different thread. Or the post were moved... ;p

[XinHong]

Originally Posted by XinHong

I don't know if this issue is related to madVR or MPC-HC but the "Save Image" function of MPC-HC is broken since 0.87.16, even with the new x64 releases.

I got the following error message: "GetDIB failed, hr=80004005".

Win 7 x64
Intel HD3000 (9.17.10.4101) / [nVidia GT525M (340.52) <- not used]
LAV x64 0.64.0.52-git
MPC-HC x64 1.7.8.162

Originally Posted by kasper93

@XinHong: Works fine for me. You might want to report this in madVR thread. Probably debug log would help to diagnose the problem. In madVR folder run "activate debug mode.bat" and log will be generated on desktop.

- madVR log : http://dl.free.fr/jWghrvZVR I don't know if the error is inside the madVR log because it's only a warning from MPC-HC. I tried several times with EVR Custom and it's working fine.
I can easily reproduce it but sometimes it's working.

Edit : I tried several files but the error is still there.

[MistahBonzai]

Try running the 4GB Patch on mpc-hc.exe, if you haven't already although your problem appears to be nVidia related. I have no problems with <alt>+i in either 32 or 64 bit but I'm running a AMD H 7850.

[RenderGuy2]

Is there a limit to the amount of vram madVR x32 (+mpc-hc shaders) can use?

I've been feeding a full over/under 3d aviysnth script (1920x2160) into the player, image doubling (luma) with MadVR, sharpening with the FineSharp shader and then weaving the top and bottom into line alternate 3d with another shader (to be used with UHD passive 3d tv @ 3840x2160). All this uses about 3.2-3.4 GB of vram and another GB or so of system ram.

Am I getting close to the limit?

[oudo86]

Hello,

I am using madVR with PotPlayer on Windows 8.1 on my Laptop

It all works very well, but one weird thing I've notice is that my laptops fan speeds up significantly when I pause a video. Then when I press play the fan will eventually slow down again.

Anyone have any idea what's causing this?

[Fullmetal Encoder]

Forgive me if this has already been asked, but can any current cards do a quadruple upscale of 1920x1080 using nnedi3 with at least 64 neurons to UHD? Also, will madVR have the capacity to do much higher multiples with nnedi3 for 720x480 content? I imagine it would have to at some point to make it worthwhile watching older, lower resolution content on such higher resolution panels. I am eying a specific 4k monitor that would be able to natively support the relevant standard frame rates without having to resort to SM if that would free-up any GPU resources to make such scaling more feasible.

[huhn]

Originally Posted by Fullmetal Encoder

Forgive me if this has already been asked, but can any current cards do a quadruple upscale of 1920x1080 using nnedi3 with at least 64 neurons to UHD? Also, will madVR have the capacity to do much higher multiples with nnedi3 for 720x480 content? I imagine it would have to at some point to make it worthwhile watching older, lower resolution content on such higher resolution panels. I am eying a specific 4k monitor that would be able to natively support the relevant standard frame rates without having to resort to SM if that would free-up any GPU resources to make such scaling more feasible.

no quadruple doesn't even trigger in this case.
and SM doesn't matter it's nothing compared to use stuff like 64 neurons on a 1080p source.

[Fullmetal Encoder]

Originally Posted by huhn

no quadruple doesn't even trigger in this case.
and SM doesn't matter it's nothing compared to use stuff like 64 neurons on a 1080p source.

I suspected that SM wouldn't have enough of an impact to meaningfully affect nnedi3 scaling capability. As to the other point I guess I don't know how nnedi3 upscaling works then. Isn't 3840x2160 exactly 4 times the resolution of 1920x1080?

[Asmodian]

Originally Posted by Fullmetal Encoder

Isn't 3840x2160 exactly 4 times the resolution of 1920x1080?

No, it is exactly 2 times the resolution.

I would wait if you need a GPU that can do NNEDI3 64 neuron doubling on 1080p, I think a Titan X would be able to do it but even that would be close. Why do you need NNEDI3 64 instead of 32 neurons?

[ryrynz]

Originally Posted by Asmodian

No, it is exactly 2 times the resolution.

I would wait if you need a GPU that can do NNEDI3 64 neuron doubling on 1080p, I think a Titan X would be able to do it but even that would be close. Why do you need NNEDI3 64 instead of 32 neurons?

The ol' resolution debate..

64 is the best choice performance/quality wise. Going beyond 64 doesn't yield you much but uses a fair bit more processing power. 32 neurons is just okay IMO, so fair call wanting 64, it's what I'd gun for.