Inline VGA capture thiggermajig

Supasaru · Mar 8, 2011

Recommend one.

I want to go from a VGA out (PC, NAOMI, etc) to a VGA in (monitor) with a magic box in the middle that streams the video to my computer.

And it should work in Linux, but eh... whatever.

Fox1 · Mar 8, 2011

Supasaru said:
Recommend one.

I want to go from a VGA out (PC, NAOMI, etc) to a VGA in (monitor) with a magic box in the middle that streams the video to my computer.

And it should work in Linux, but eh... whatever.

lol magic box.

Supasaru · Mar 9, 2011

You liked 'magic box' but nothing for 'thiggermajig' ?

Seriously, though, the ones I'm finding are stupid expensive and these things can't be that expensive anymore... right?

Hewitson · Mar 9, 2011

Wish I could find a girl with a magic box..

FusionITR · Mar 9, 2011

all you need is a powered vga splitter, something like this:

http://cgi.ebay.com/4-Way-SVGA-VGA-...871?pt=LH_DefaultDomain_0&hash=item230c914ee7

***DO NOT GET THE SPLITTER CABLES - Get a POWERED one***

Hewitson · Mar 9, 2011

I wouldn't have thought the quality would suffer too much if you were only splitting it two ways.. Obviously you've got more experience than I do in this area.

buaku · Mar 9, 2011

Here's a capture device that says it takes VGA and the specs even say it supports linux!
http://sewelldirect.com/VGA-to-USB-Video-Grabber.asp

It's expensive tho :P

Supasaru · Mar 9, 2011

FusionITR said:
all you need is a powered vga splitter, something like this:

You mean in addition to a capture device? Cos I still need the capturey part if I bought that multiplexer.

buaku said:
Here's a capture device that says it takes VGA and the specs even say it supports linux!
http://sewelldirect.com/VGA-to-USB-Video-Grabber.asp

It's expensive tho :P

Ya! That's the problem I'm having - how the @#$(! are these things still $299+ ?

Hewitson · Mar 9, 2011

Quality Composhit/S-Video capture cards are only worth $20.. Surely you can get a VGA one for a similar price from somewhere.

Supasaru · Mar 9, 2011

Hewitson said:
Quality Composhit/S-Video capture cards are only worth $20.. Surely you can get a VGA one for a similar price from somewhere.

That's what I'm saying!

... damned if I can find one, though.

FusionITR · Mar 9, 2011

Hewitson said:
I wouldn't have thought the quality would suffer too much if you were only splitting it two ways.. Obviously you've got more experience than I do in this area.

If you use a unpowered splitter the signal would be double terminated which will result in the picture darkening and bandwidth issues.

FusionITR · Mar 9, 2011

Supasaru said:
You mean in addition to a capture device? Cos I still need the capturey part if I bought that multiplexer.

I mis-understood, I just thought you wanted to hook the video up to two monitors. Yes if you want to capture just get a VGA->component convert and a component video capture card.

Hewitson · Mar 9, 2011

FusionITR said:
If you use a unpowered splitter the signal would be double terminated which will result in the picture darkening and bandwidth issues.

I realise that, but I still believe you'd possibly get an acceptable result.

Even if you had to run the video through some procesing software to brighten up the image slightly, that wouldn't be a huge deal.

FusionITR · Mar 9, 2011

Hewitson said:
I realise that, but I still believe you'd possibly get an acceptable result.

Even if you had to run the video through some procesing software to brighten up the image slightly, that wouldn't be a huge deal.

It depends on what you mean by "acceptable"

Have you see what double terminated video looks like? It's literally half the brightness. And if you double terminate high resolution video (from a PC for example) you start getting ghosting.

Supasaru · Mar 9, 2011

I don't mean to interrupt you two, but um... to be honest....

The system I'm wanting to capture already has dual-VGA. So really.....

I didn't want to use a converter because I thought the quality would be crap. I've used one of those VGA -> HD Component -> Capture device rigs before and it was garbage.

FusionITR · Mar 9, 2011

Supasaru said:
I don't mean to interrupt you two, but um... to be honest....

The system I'm wanting to capture already has dual-VGA. So really.....

I didn't want to use a converter because I thought the quality would be crap. I've used one of those VGA -> HD Component -> Capture device rigs before and it was garbage.

I have a HDMI->Component convert with a component capture card and it works great. Here are some examples:

http://www.youtube.com/watch?v=4iUEU2utngs

http://www.youtube.com/watch?v=qY0PlbN86X4

buaku · Mar 9, 2011

Supasaru said:
Ya! That's the problem I'm having - how the @#$(! are these things still $299+ ?

Yeah you'd think VGA would be easy or something. Like Hewitson said composite/s-vid cards are dirt cheap.

I think I spent about $300 for my HDMI cap card.

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