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Author Topic: Can JRiver use custom shaders? [Yes]  (Read 1586 times)

FenceMan

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Can JRiver use custom shaders? [Yes]
« on: July 03, 2023, 11:56:46 am »

I just bought JRiver, loving it with the new tone mapping improvements but question -

Can I use the filmgrain shader that I have been using with MPV with JRiver?  Also is there a way to do advanced configuration as I do with mpv.conf?  For example if I want to use SSIM downscaling?
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mattkhan

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Re: Can JRiver use MPV style shaders?
« Reply #1 on: July 03, 2023, 03:09:39 pm »

At present, no

I believe support for user defined shaders is planned though (not sure on timeframe)
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Hendrik

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Re: Can JRiver use MPV style shaders?
« Reply #2 on: July 03, 2023, 03:11:04 pm »

Custom shaders are planned to be supported. All configuration that is available is in the UI. We're not using mpv, so mpv options don't apply. We just use libplacebo - the same rendering library powering the "gpu-next" output in mpv.
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~ nevcairiel
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FenceMan

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Re: Can JRiver use MPV style shaders?
« Reply #3 on: July 03, 2023, 03:32:25 pm »

Thanks.

Yeah MPV is still clunky compared to JRiver but I'd like to still customize some things so hopefully sometime soon I will be able to.
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haasn

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Re: Can JRiver use MPV style shaders?
« Reply #4 on: July 04, 2023, 11:32:45 am »

FWIW there is no technical barrier here - the rendering backend already fully supports these shaders. It is entirely a UI issue.

FenceMan

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Re: Can JRiver use MPV style shaders?
« Reply #5 on: July 05, 2023, 01:15:59 pm »

The shaders are in C:\Program Files\J River\Media Center 31\Data\Default Resources\JRVR but I guess just the ones that are built into JRiver?
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FenceMan

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Re: Can JRiver use MPV style shaders?
« Reply #6 on: July 28, 2023, 11:06:00 am »

Just bumping in the hope that this gets added soon. Pretty please lol.
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FenceMan

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Re: Can JRiver use custom shaders?
« Reply #7 on: August 31, 2023, 12:11:02 pm »

This is now working in latest build, thanks!!!!
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Drybonz

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Re: Can JRiver use custom shaders?
« Reply #8 on: August 31, 2023, 12:44:59 pm »

What are some good shaders a person might want to try?  How do we apply them?
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FenceMan

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Re: Can JRiver use custom shaders? [Yes]
« Reply #9 on: August 31, 2023, 12:55:56 pm »

What are some good shaders a person might want to try?  How do we apply them?

You have to download them and add to JRVR settings under the processing tab.

I like filmgrain smooth - https://github.com/haasn/gentoo-conf/blob/xor/home/nand/.mpv/shaders/filmgrain-smooth.glsl

Also for me I have a high end 3-chip 1080p DLP so I downscale all 4k and JRVR was ok but SSIM is better - https://gist.github.com/igv/36508af3ffc84410fe39761d6969be10
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Drybonz

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Re: Can JRiver use custom shaders? [Yes]
« Reply #10 on: September 01, 2023, 01:09:46 pm »

You have to download them and add to JRVR settings under the processing tab.

Thanks... I'll load some of these up and see how they look.

*edit*  I like that this adds some consistency between films in the amount of film grain.  I thought it might looks bad in movies that already had some present, but it doesn't seem to at all.  With the SSIM downscaler (I use this in MadVR) are you just setting the JRVR downscaling to billinear when you have SSIM active?
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eve

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Re: Can JRiver use custom shaders? [Yes]
« Reply #11 on: September 02, 2023, 06:24:42 pm »

Wow, this is big. Guess it's time to migrate to 31 fully.


Thanks guys <3
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eve

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Re: Can JRiver use custom shaders? [Yes]
« Reply #12 on: September 02, 2023, 06:25:41 pm »

You have to download them and add to JRVR settings under the processing tab.

I like filmgrain smooth - https://github.com/haasn/gentoo-conf/blob/xor/home/nand/.mpv/shaders/filmgrain-smooth.glsl

Also for me I have a high end 3-chip 1080p DLP so I downscale all 4k and JRVR was ok but SSIM is better - https://gist.github.com/igv/36508af3ffc84410fe39761d6969be10

I like a little film grain in my renderer if upscaling is involved. It's arguably not 'accurate' but it's *really* good at tricking the eye.
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Drybonz

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Re: Can JRiver use custom shaders? [Yes]
« Reply #13 on: September 18, 2023, 11:12:41 pm »

Has anyone seen a shader that could be used to improve a silent film that has the very saturated tinting added?  I have a grayscale shader, and that is ok... but I'm looking for something like, maybe, a soft sepia, or desaturation that would make it look more vintage, but also watchable.

Also... is there a way to add a shader for just one film?  The silent film, for example... I would like to have a shader set each time I open this film, but, obviously, would not want this to apply to any other movie.  Changing it manually for one film, each time, is kind of clunky.
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Hendrik

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Re: Can JRiver use custom shaders? [Yes]
« Reply #14 on: September 19, 2023, 02:54:32 am »

You could setup a "silent film" profile, and then select the profile from the menus while the film is running, MC will remember the profile override.
It might get out of hand if you want to do this for a lot of different things, but if its broad categories it would be fine.
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