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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Tue Mar 05, 2019 5:32 pm 


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Joined: 05 Mar 2018
Posts: 543
PixelDharma wrote:
thebigcheese wrote:
PixelDharma wrote:
I got excited and ordered a Carby v2 yesterday (the build quality and authentic connector won me), but as the dust has settled I realized I might have fucked up going with an HDMI-only solution. I really want to use GBI.

What results can I expect with GBI going directly into my TV over HDMI? Can I use the HDMI inputs on my Framemeister in any meaningful way? Am I really missing out not using an OSSC if I’m serious about GBI?


You will technically get the best results using RGBs over SCART into an OSSC since you can use the HD60 modes (at least, that is my understanding), but you can fiddle with GBI settings to get just the scaling you want and still get really nice results. The main thing is that you'll only get 480p output over HDMI whereas through an OSSC you can go up higher for potentially cleaner scaling (depending on your TV).

Thanks for the quick reply.

Sounds like I might want to consider an Eon MK II paired with a PAL Wii RGB cable.

I’ll see if I’m happy with my Carby first. It is clearly the better build quality of the two devices. Seems like EON might want to consider making a MK III using Insurrection’s connector.


it really depends on your TV man, some of them will do a fantastic job scaling 480p over HDMI - you might be perfectly happy with the carby and GBI

if not, the insurrection YPbPr cable is just around the corner, same connector and build quality and probably about the same price


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Tue Mar 05, 2019 5:56 pm 



Joined: 18 Jan 2011
Posts: 80
maxtherabbit wrote:

it really depends on your TV man, some of them will do a fantastic job scaling 480p over HDMI - you might be perfectly happy with the carby and GBI

if not, the insurrection YPbPr cable is just around the corner, same connector and build quality and probably about the same price

My TV has always done a good job with 480p. Maybe I’ll just stick with it and see how it goes. Cheers.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Tue Mar 05, 2019 11:31 pm 


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Joined: 25 May 2014
Posts: 458
nmalinoski wrote:
would the GCVideo hardware be capable of similar output to the DCHDMI--960p or 960p windowboxed to 1080p?

No, the FPGA maxes out at 640 Mbit/s which is equivalent to a 64MHz pixel clock. 1080p needs a 148,5 MHz.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 07, 2019 7:16 pm 



Joined: 18 Jan 2011
Posts: 80
I decided to contact the seller and switch my order from the Carby to a GCHD mk II. Fact is, analog output + OSSC seems to be the way to go if you are serious about scaling GBI to the absolute best of your display's capabilities.

Why are people recommending using Wii Scart from GCHD mk II rather than Wii Component for this purpose? If anything I would have thought component would be (marginally) ideal because of the internal YCbCr color space.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 07, 2019 8:54 pm 



Joined: 19 Jul 2017
Posts: 1054
PixelDharma wrote:
Why are people recommending using Wii Scart from GCHD mk II rather than Wii Component for this purpose? If anything I would have thought component would be (marginally) ideal because of the internal YCbCr color space.

I expect it's because a good chunk of retro gamers have standardized their analogue video setups on RGB SCART, thus the recommendation. If you want/need YPbPr output for your purposes, by all means, get a quality component cable.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 07, 2019 10:34 pm 



Joined: 18 Jan 2011
Posts: 80
nmalinoski wrote:
PixelDharma wrote:
Why are people recommending using Wii Scart from GCHD mk II rather than Wii Component for this purpose? If anything I would have thought component would be (marginally) ideal because of the internal YCbCr color space.

I expect it's because a good chunk of retro gamers have standardized their analogue video setups on RGB SCART, thus the recommendation. If you want/need YPbPr output for your purposes, by all means, get a quality component cable.

Makes sense. My setup mostly revolves around scart as well. Worth considering if there's no real picture quality difference. My component switcher has precious few inputs....


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 4:19 am 


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Joined: 02 Apr 2018
Posts: 41
Location: Arkansas
Has anybody experienced screen tearing like this on a GCvideo device?
Image

I put together a few of citrus3000psi's GCHDMI 4.1 boards and I'm getting this result on all of them. It only happens in 480p modes, either native 480p or linedoubled 480p. The boards are running firmware version 2.3 because that's the latest version that I can find a BIN file for and I'm having a heck of a time figuring out how to use promgen. Any thoughts?

EDIT: It turns out the issue is being caused by my TCL 55R615 tv. Specifically HDMI input 1. If i change the picture size while the gamecube is running the tearing goes away. If I connect it to HDMI input 2 the problem doesn't manifest at all.
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 Post subject: Official Nintendo Wii YPbPr Cables or RGB Cables by Retro Ac
PostPosted: Thu Mar 14, 2019 6:36 pm 



Joined: 07 Apr 2016
Posts: 1262
So I want the absolute best picture quality out of my GCHD MK-II GameCube and Wii Dual. The signal will be going to a BVM, preferably an analog signal like YPbPr or RGBS.

I currently own two pairs of the official Nintendo GameCube Component Cables, but I've learned recently that the GCHD MK-II by EON not only gives better analog picture quality than the official Nintendo GameCube Component Cables, but also allows for digital audio and an HDMI port for lossless sound and streaming. So that rules out the Carby, Insurrection's BNC Component Cables and the official Nintendo GameCube Component Cables.

Now the question is: I can't decide between the official Nintendo Wii Component Cables, which output 480p YPbPr and are considered to be top quality cables for the Wii Dual and GCHD MK-II, or Retro Access's RGB BNC cables for the Wii Dual and GCHD MK-II, which output 480p RGBS.

Image
Image

https://retro-access.com/collections/wi ... udio-cable
https://retro-access.com/collections/wi ... udio-cable

1.) Which cables will give me the absolute picture quality?
2.) Is there any picture quality loss/difference with using RGB cables instead of YPbPr cables for the GCHD MK-II and Wii Dual? (Ex: YCbCr -> YPbPr -> RGBS versus YCbCr -> YPbPr versus YCbCr -> RGBS versus YPbPr -> RGBS versus straight YPbPr?)
3.) Should I wait for the eventual YPbPr Wii/GCHD MK-II cables by RetroGamingCables.uk or HD Retrovision?

Thanks


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 6:48 pm 


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Does the EON really give a better analogue image than the official cable? I was under the impression that GCvideo is about equal to Nintendo’s cable?


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 7:14 pm 


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Joined: 30 Jan 2016
Posts: 250
It really does not if you understand the differences and their interactions.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 7:16 pm 



Joined: 07 Apr 2016
Posts: 1262
andykara2003 wrote:
Does the EON really give a better analogue image than the official cable? I was under the impression that GCvideo is about equal to Nintendo’s cable?

Yes. Less noise along contrasting edges and a tad bit sharper.

https://youtu.be/8RBgbA8DhM0?t=17m19s


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 10:04 pm 


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GeneraLight wrote:
Yes. Less noise along contrasting edges and a tad bit sharper.

Cheers :) I'm on 480p CRT so no difference according to them.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 10:09 pm 


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the Retro Access cable is technically better quality than the OEM nintendo Wii cable because RA uses true 75ohm coax

whether you will actually notice a difference is highly suspect


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 10:23 pm 



Joined: 07 Apr 2016
Posts: 1262
maxtherabbit wrote:
the Retro Access cable is technically better quality than the OEM nintendo Wii cable because RA uses true 75ohm coax

whether you will actually notice a difference is highly suspect

They are also probably better shielded and use higher quality materials. I'll wait for HD Retrovision YPbPr Wii Cables or get the Retro-Access RGB BNC Wii Cables.

So the RGB from GCHD MK-II is converted straight from YCbCr, instead of YCbCr -> YPbPr -> RGB? Is that also the case with the RGB from the Wii Dual?

Thanks!


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 10:36 pm 


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Haven't been here in a while - have many people here got Wiis with GCvideo installed?


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 11:01 pm 


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Extrems wrote:
It really does not if you understand the differences and their interactions.


I don't know, Extrems, a person who actually knows things. GL said so AND he cited a YouTube video.

Check and mate.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Thu Mar 14, 2019 11:02 pm 


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Posts: 543
GeneraLight wrote:
maxtherabbit wrote:
the Retro Access cable is technically better quality than the OEM nintendo Wii cable because RA uses true 75ohm coax

whether you will actually notice a difference is highly suspect

They are also probably better shielded and use higher quality materials. I'll wait for HD Retrovision YPbPr Wii Cables or get the Retro-Access RGB BNC Wii Cables.

So the RGB from GCHD MK-II is converted straight from YCbCr, instead of YCbCr -> YPbPr -> RGB? Is that also the case with the RGB from the Wii Dual?

Thanks!

yes to all the above


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Fri Mar 22, 2019 10:20 pm 


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Location: Australia
Is there an ETA for firmware 2.5? I have a few Wii and GC I've been holding off modding untill its released to avoid reopening/flashing.


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Fri Mar 22, 2019 11:10 pm 


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Posts: 458
Syntax wrote:
Is there an ETA for firmware 2.5?

My original target was April 1st, but due to personal circumstances this looks exceedingly unlikely, so the current target is "when it's done".


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 Post subject: Re: Cloning the Gamecube component cable
PostPosted: Fri Mar 22, 2019 11:34 pm 



Joined: 14 Aug 2017
Posts: 181
Is this firmware the same used on the WiiDual kits? What's the firmware that's already flashed on the WiiDual boards that were sold a while ago? I have one pending install.


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