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Re: Game Boy Interface

Posted: Tue Jun 29, 2021 3:53 pm
by Extrems
Keiyuu wrote:
Tue Jun 29, 2021 1:30 pm
I think what's happening is that it applies the palette to the GBA resolution instead of the smaller GB/GBC area because the colorized area seems to be the same size as a GBA game. Is there a way to only apply the palette to the actual GB area?
This is applied through the 3D LUT system, so no.
Keiyuu wrote:
Tue Jun 29, 2021 1:30 pm
What color correction is more accurate for GBA, using GBA LUT or the color matrix option? For GBC there doesn't even seem to be a matrix option available.
You can get near identical results to the 3D LUTs by using equivalent --matrix and --input-gamma settings, but I suggest using the examples under color emulation. GBC has the same color gamut as the GBA.
Keiyuu wrote:
Tue Jun 29, 2021 1:30 pm
Is it possible to use the more accurate 59.7276 refresh rate when using 360p through an OSSC instead of 59.762?
Unfortunately 59.762 Hz is as close as it gets without variable refresh rate.

Re: Game Boy Interface

Posted: Tue Jun 29, 2021 6:46 pm
by Keiyuu
Extrems wrote:
Tue Jun 29, 2021 3:53 pm
This is applied through the 3D LUT system, so no.
That's unfortunate. Would it be possible to solve this with an overlay? For instance, having an overlay that's fully black to cover the non-GB portion.

Extrems wrote:
Tue Jun 29, 2021 3:53 pm
You can get near identical results to the 3D LUTs by using equivalent --matrix and --input-gamma settings, but I suggest using the examples under color emulation. GBC has the same color gamut as the GBA.
Hmm then why did Pokefan531 create different shaders for GBC and GBA color correction? Aren't the LUTs based on their work?
There's a clear difference between the GBA and GBC LUTs.
Spoiler
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Image

Re: Game Boy Interface

Posted: Tue Jun 29, 2021 9:05 pm
by Extrems
I said color gamut. The difference isn't from that.

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 1:18 am
by DragonQuarter
I managed to get a great picture for GBI with my current setup (CARBY HDMI going to Component going to OSSC going to my Magewell Capture Card) but I've run into some framerate issues that I'm trying to get to the bottom of.

Video: https://www.youtube.com/watch?v=-trOVnofTuw

As you can see, the scaling looks good, but the framerate is pretty wonky.

Here's what I'm using currently:

Hardware: CARBY HDMI (w/ GCVideo DVI Firmware v3.0d) --> HDMI to Component --> OSSC
Software: Swiss + gbihf-ossc.dol+cli

CARBY GC Video Settings:
GCVideo DVI Firmware v3.0d
Allow 480p mode: Off
RGB Limited Range: Off
Enhanced DVI mode: On
Display as 16:9: Off
Chroma Interpolation: On
Fix resolution: Off
Fix sync timing: On
Regenerate CSync: Off
Digital color format: RGB-F
Report 240p as 480i: Off
Sample rate hack: Off

OSSC Settings:
*Set "384p proc" to Line2x 240x360 for 720p (or Line3x 240x360 for 1080p)
*Sync opt. > Vsync threshold to 14.92 (not doing this results in no picture on my capture card)
*LED shows AV2_YPbPr 375-p / 22.50kHz 60.00Hz

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 1:26 am
by Extrems
The video you gave us is 30 FPS, so we can't really tell what you mean.

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 7:51 am
by DragonQuarter
So nevermind about the framerate, it turns out my Capture Card wasn't happy with me running 2 different capture software simultaneously, hence the halved FPS.

With all of that said, how does one go about ensuring the right colors are displaying for GBI HF through a capture card? The OSSC section of the Wiki doesn't mention a specific color space or format to go with, so I have the OSSC YPbPr in ColSpa set to Auto. For the GC Video menu, the wiki mentions "Digital color format to RGB-F, RGB-L or YC444." But under the video capture settings, it mentions to use YC422.

I took screenshots to show what I'm seeing in each, but I'm not sure how to determine which is "right". Obviously I can rule out YC422 in this case, but I'm not sure whether RGB-F, RGB-L, or YC444 would be the right colors to go with here. Appreciate any input/feedback on this.

RGB-F
Image

RGB-L
Image

YC444
Image

YC422
Image

I also had a bit of a struggle figuring out which color profile was selected at first, due to the GC Video menu being cut-off when using the CARBY HDMI --> Component --> OSSC method:
Image

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 2:09 pm
by Extrems
RGB-F is best for your typical HDMI to YPbPr converter.

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 6:36 pm
by DragonQuarter
Got it, thank you Extrems!

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 10:02 pm
by Diego borella
with GBI, can you play games like Kingdom Hearts?
because in official software this is not possible for copyright reasons...
????

Re: Game Boy Interface

Posted: Wed Jul 07, 2021 10:57 pm
by Extrems
I've never heard of problems with Kingdom Hearts: Chain of Memories on the Game Boy Player.

Re: Game Boy Interface

Posted: Thu Jul 08, 2021 2:02 am
by DragonQuarter
I've posted a video of footage I took using the GBI HF OSSC DOL+CLI with CARBY HDMI + Component + OSSC.

I've listed all the settings used in the video across all devices. I'm hoping to get some feedback on whether all of the settings I'm using are ideal or not, such as enabling Chroma Interpolation on GC Video, and whether selecting 60fps in OBS is the right thing to do (It does say 60.00Hz on the OSSC LCD display). Retro Nintendo framerates are a constant source of confusion for me when it comes to high-quality game capture. Additionally, I applied a GBI HF 444 Correction filter in OBS based on a RetroRGB article I read.

https://youtu.be/EBUfW0PBqjw

Re: Game Boy Interface

Posted: Thu Jul 08, 2021 2:05 am
by Extrems
Chroma Interpolation must be set to Off for GBIHF (unless using --chroma-location=left), but it doesn't actually matter with the OSSC. That filter is no longer necessary, and is not applicable to this setup.

Re: Game Boy Interface

Posted: Fri Jul 09, 2021 8:44 pm
by Diego borella
Extrems wrote:
Wed Jul 07, 2021 10:57 pm
I've never heard of problems with Kingdom Hearts: Chain of Memories on the Game Boy Player.

I checked and what's copyrighted are the film cartridges... which have the same Kingdom Hearts technology for the movies. :lol:

Game Boy Player is not capable of releasing this type of cartridge.
And GBI ignores this block?
Are Gameboy Advance Video Cartridges Compatible?
and run well?

Re: Game Boy Interface

Posted: Fri Jul 09, 2021 8:56 pm
by Extrems

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 8:15 pm
by Sub_Sampled
Hi there, would it be possible to integrate a Grid Filter like on the GBA Consolized Version ? You could choose there between light, medium, dark options. I feel like this would enhance the GBI by a lot of course it's all personal taste.

Here is a example of the GBA consolized Version with the "MEDIUM GRID" selected just like it looks on a real GBA screen imo

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 8:54 pm
by Extrems
Unfortunately this would only be possible in 960x360p (no OSSC nor RT5X) or 960x720i.

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 9:10 pm
by Sub_Sampled
Extrems wrote:
Mon Jul 19, 2021 8:54 pm
Unfortunately this would only be possible in 960x360p (no OSSC nor RT5X) or 960x720i.
that's a bummer, I guess if it worked It would have been already implemented a long time ago

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 9:17 pm
by Extrems
It can work, just within very specific parameters, which make it not worth it.

The OSSC already has this option and it's coming soon to the RT5X.

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 9:20 pm
by Sub_Sampled
Extrems wrote:
Mon Jul 19, 2021 9:17 pm
It can work, just within very specific parameters, which make it not worth it.

The OSSC already has this option
what do you mean? I could programm this grid on an ossc? or are you talking about the upcoming pro version ?

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 9:22 pm
by Extrems

Re: Game Boy Interface

Posted: Mon Jul 19, 2021 9:27 pm
by Sub_Sampled
so I have to test that "Horiz. + Vert.: Combination of horizontal and vertical mode." then and Id give me the desired "GRID" ?