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Watching 1080i video but video frame lagging every second

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Watching 1080i video but video frame lagging every second Empty Watching 1080i video but video frame lagging every second

Post by Kirito on Tue Jan 05, 2021 12:03 pm

As the title say

i am using Win 10 Pro x64, Codec 15.9.6 , madVR + Lav Filter
Monitor 1366x768


When watching above 720p, the video frame problem

is there any solution for that ??

Kirito

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Join date : 2013-07-13

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Post by Admin on Tue Jan 05, 2021 2:50 pm

Press Ctrl+J to display the madVR statistics overlay. Look at the rendertime. That might be too high, indicating that your GPU isn't powerful enough for the current madVR settings.

When video is deinterlaced, the framerate is doubled, meaning that madVR has to process twice as many frames.

So assuming the performance issue is due to madVR. One solution would be to lower the madVR scaling settings if that is possible. You could create a preset to be able to have different settings for high framerate video versus low framerate.

Another possibility is to enable yadif deinterlacing in LAV Video decoder and change the output mode to 25p/30p. Meaning it won't do the frame-doubling.

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Post by Kirito on Tue Jan 05, 2021 10:25 pm

Here's the madVR overlay

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What should i do then ?

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Post by Admin on Wed Jan 06, 2021 7:05 pm

Which graphics card do you have?

It is far too slow to process 1080i with your current scaling settings in madVR.

Click on the "Scaling algorithms" folder in madVR settings and "Create Profile Group".

Profile auto select rules:
Code:
if (srcWidth < 1000) and (deintFps < 31) "720p"
else if (deintFps < 31) "1080p"
else "1080i"
Then create 3 profiles with the names 720p, 1080p, and 1080i.

Then adjust each preset with appropriate settings.

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Post by Kirito on Wed Jan 06, 2021 8:46 pm

Asus GT 710 2GB

when create new profile group, which category should i use ?

- Chrome upscaling
- Image downscaling
- Image upscaling
- Upscaling refinement

Kirito

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Post by Admin on Wed Jan 06, 2021 8:48 pm

That isn't powerful. You should choose simpler scaling algorithm than Jinc/SSIM which you have now.

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Post by Kirito on Wed Jan 06, 2021 10:27 pm

Which choice do you recommend for those setting

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Post by Admin on Wed Jan 06, 2021 10:41 pm

Bilinear and DXVA2 have best performance.

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Post by Kirito on Wed Jan 06, 2021 10:50 pm

For image downscaling and upscaling better use Bilinear or DXVA2 for best performance and graphic ?

will these settings be affected to 720p video ?

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Post by Admin on Thu Jan 07, 2021 3:09 pm

DXVA2 probably has better quality.
Downscaling setting does have effect on 720p video because your monitor is bigger.

You maybe should try another video renderer. Your GPU is too weak to benefit from the quality improvements that madVR can give. Try "MPC Video Renderer" instead.

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Post by Kirito on Thu Jan 07, 2021 10:44 pm

OK Noted

What Nvidia GPU do you recommended for at least watch 1080p video ?

GTX 10 series / 16 series / RTX 20 / RTX 30 ?

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Post by Admin on Fri Jan 08, 2021 1:18 pm

An older generation would already be more than enough.

For example a GTX 960 is ten times as fast as your current GT 710.
https://gpu.userbenchmark.com/Compare/Nvidia-GTX-960-vs-Nvidia-GeForce-GT-710/3165vsm77649

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