VGA to HDMI recommendation?

Discussion in 'General Gaming' started by AndehX, Dec 11, 2016.

  1. AndehX

    AndehX You got boost power!

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    I picked up the "SLG-in-a-box" on ebay for £70, to use with my capture card, but since my capture card only takes HDMI, I need a VGA to HDMI converter. Can anyone recommend a decent one? is it safe to assume that any converter that does not upscale the image, should be fine?
     
  2. PixelButts

    PixelButts Site Soldier

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    I know this all too well
    I have an HD60 which only accepts hdmi (and does NOT accept 640x480, only 720x480).

    My genuine advice is dont get the cheap version, you will regret it. If you need an adapter, be sure you get a good one, which can be a handsome amount of money. Upscaler may be needed depending on what you're working with (like with the 640x480 being rejected on HD60). If you go the upscaler route you will generate weird artifacts for sure unless it's a really good one.

    Alternatively a VGA compliant capture device.
     
    Last edited: Dec 11, 2016
  3. AndehX

    AndehX You got boost power!

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    I was thinking about a VGA capture card, but those are way too expensive. Especially for one that has a passthrough.
    I specifically don't want a VGA to HDMI converter that does any kind of upscaling because the GBS 8200 does the upscaling itself. I have an HD60 Pro, so weather it accepts 640x480 or not, isn't really a concern because the GBS 8200 can output most resolutions up to 1360x768.
    I went ahead and bought a relatively cheap converter that doesn't do any upscaling, for now, just to see how it performs. If it sucks, then I'll invest in a decent one.
    Still, any recommendations as to a good non-upscaling converter would be greatly appreciated.
     
  4. DragoonC

    DragoonC Spirited Member

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    i had a lot of hardware, GBS8200 is not one i can recommend.
    im using a Gefen VGA to DVI Scaler Plus atm and must say its the best i had thus far, i also modded scanline option into it without a problem. But this hardware is discontiued and replaced by model ext-vga-dvi-sc which costs ridiculous 339$ atm.
     
  5. AndehX

    AndehX You got boost power!

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    Ive got it all set up now and to be honest, for what I paid, the quality is fine. No lag either which is what matters the most.
    The problem I have now is that my Elgato HD60 Pro does not support 640x480, 800x600, 1024x768 or 1360x768. Which is absolutely ridiculous.
     
  6. rama

    rama Gutsy Member

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    The GBS does up to 1920 by 1080 fine and even supports 240p. You will have to get an I2C talking device onto it and run some custom software though.
    http://www.kernelcrash.com/blog/the-gonbes-gbs-8200-and-arduino-uno/2016/04/20/
    and
    https://github.com/dooklink/gbs-control

    gbs_control is recommended if you have a spare Raspberry Pi. More options and features out of the box.
    Arduino and co are still pretty bare bones ;p

    With gbs_control, you get these resolution presets by default:
    https://github.com/dooklink/gbs-control/tree/master/settings
    Creating new ones is tricky but can be done. But don't ask me for those ;p
     
  7. -=FamilyGuy=-

    -=FamilyGuy=- Site Supporter 2049

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    I use a Sewell Hammerhead clone for Dreamcast (640x480) but it's supposed to support up to 1980x1200, it's not too expensive and works fine.
     
  8. AndehX

    AndehX You got boost power!

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    This sounds interesting, and I do happen to have a Raspberry Pi 2, but I've hardly used it, and I wouldn't know where to begin
     
  9. AndehX

    AndehX You got boost power!

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    Ok, I gave it a try, and my god.... what a convoluted process.... I gave up as I just could not get the GBS8200 to display anything while connected to the Raspberry Pi.
     
  10. Atolm

    Atolm Spirited Member

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    If you're just using it with a capture card, I don't get why you'd need some crazy advanced converter.

    https://www.amazon.com/Universal-Converter-Support-Adapter-SY-ADA31025/dp/B006FILNV6

    Technical Specifications
    • Converts VGA Source to HDMI Display
    • Supports Audio Function for HDMI Monitor and TV
    • LED Indicators for Power and Activity
    • HDCP Compliant
    • Powered by USB Port
    • Plug and Play
    • Cable Length: 8"
    Supports the following incoming resolutions: 640x480, 800x600, 1024x768, 1280x800, 1280x768, 1280x1024, 1680x1050, 1600x1200, 1920x1080

    It's 20 bucks.
     
  11. AndehX

    AndehX You got boost power!

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    I have one of those. Thats not the problem. The problem is that the GBS8200 only outputs 640x480, 800x600, 1024x768 and 1360x768. My Elgato HD60 Pro will not accept any of those resolutions.

    What im going to have to do, is get a VGA to HDMI converter that upscales the signal to 720p or 1080p so my capture card will accept it. The gbs-control method didnt work at all for me and is way too much trouble to setup.
     
  12. Atolm

    Atolm Spirited Member

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    What video source are you feeding the gbs8200? RGB?
     
  13. rama

    rama Gutsy Member

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    @AndehX At which step did you give up?
    I can help you with it but you'll have to put in a little work, yea.
    I hope to get some more people to use this, and together we can improve the system.
    It can be made very simple, I'm sure.
     
  14. AndehX

    AndehX You got boost power!

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    I had it all connected together, ran the command to install the script and waited for the raspberry pi to restart. The readme claims that the raspberry pi will boot into the GBS control menu, which it didn't. It simply boots back into raspbian. I had to press ctrl + alt + F1 to get the menu to show.
    On the GBS, with the pi connected to the green component port, there was nothing displayed. The GBS wasn't putting out any signal at all when P8 was jumpered.
     
  15. Atolm

    Atolm Spirited Member

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    If the point of this whole setup is simply to use it with an HDMI capture card, I'm not sure why you went with a SLG to begin with. You've complicated this for yourself by converting to VGA first.

    For RGB to HDMI, one of these will work fine for simple gameplay capture.
    https://www.amazon.com/Scart-Video-Converter-Scaler-Coaxial/dp/B00MUNIVRO/

    For YUV (component) there's this:
    https://www.amazon.com/Portta-PETRHP-Component-Converter-support/dp/B003VJ9RP6/

    If you're worried about video quality, I'm not sure SLG + another converter back to HDMI would retain some sort of high fidelity.
     
  16. rama

    rama Gutsy Member

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    Okay, you can make it easier by connecting the Pi to a 2nd display via HDMI.
    That way you can see the menu while you try getting a display.
    Try loading the RGBHV_1280x720@60Hz_RGB_240p60.set preset and try the F1 and F2 hotkey.
    Since the auto login fails, there might be a problem with the setup script.
    This is all much easier with an Arduino, btw ;p
     
  17. AndehX

    AndehX You got boost power!

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    I've tried that SCART to HDMI converter before. It's beyond terrible. The lag is absolutely atrocious. I went with the GBS because I wanted a challenge. Like I've said, converting the VGA to HDMI isnt the issue here. The problems I'm having are not the fault of the GBS. I've already blasted Elgato for their best product not supporting some of the most basic and fundamental resolutions.
    What excuse do they have for the HD60 pro to support 720x480 and not 640x480? There is no excuse for it.
     
  18. AndehX

    AndehX You got boost power!

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    Yeah rama, I had it connected to my monitor through HDMI the whole time. How does an arduino make it easier? I tried all kinds of hotkeys and nothing was happening on the GBS
     
  19. Atolm

    Atolm Spirited Member

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    Are you playing the games by viewing the capture footage?
     
  20. AndehX

    AndehX You got boost power!

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    No. It goes into my capture card and then out to my projector.
     
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