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Re: VGA Capture Thread

Posted on Yesterday, 13:11

Aspect ratio: In a general case there is no way to accomplish this with integer scaling. Just think of 720x400 text mode, which is shown as 4:3, so it does not have square pixels. What has proven for me suitable for YT is scaling up with integer factor and nearest neighbour scaling by e.g. 800%. …

Re: VGA Capture Thread

Posted on 2020-10-07, 11:51

The only time I've seen capture-side stutter like that is when you have duplicates of the capture stream open, i.e. you have both VCS and the Datapath software capturing at the same time. This can also happen if your capture software doesn't properly release the stream on exit.

Re: VGA Capture Thread

Posted on 2020-10-07, 01:34

I rebooted and went right to VCS and found it stuttering badly. But if I switch it to OpenGL rendering instead of Software, it is smooth again. When you get stuttering in VCS, does its window title bar begin with "{!} VCS" or just "VCS"? If it's with "{!}", it's a system performance issue. If not, …

Re: VGA Capture Thread

Posted on 2020-09-25, 12:11

I'd buy the X2 as a curiosity, but the specs aren't bad either. An interesting thing about bandwidth is that since the Datapath cards have hardware scaling, you can downscale the frames on-card before sending them down the PCI bus, basically increasing bandwidth at the cost of image quality. So I …

Re: VGA Capture Thread

Posted on 2020-09-25, 02:44

That said, it is also too bad that the E1S is not available in a PCI-X 133 variant (or is it?). It would have found a nice place alongside my AJA Kona LH in my Supermicro X8SAX based system . There's the VisionRGB-X2 for PCI-X. A bunch of them on US ebay right now, not too bad of a price for a dual …

Re: VGA Capture Thread

Posted on 2020-09-21, 14:52

Assuming for a moment that this sampling method is agreeable (as it is to me, when I use DOS systems on my LCD panels via VGA), why aren't there cheap solutions that do it this way? How cheap do you need it? I paid like $40 for a VisionRGB-PRO2 and $150 for the VisionRGB-E1S. Someone in the US …

Re: VGA Capture Thread

Posted on 2020-09-08, 11:57

Do you have a link to the cable you're using? I have an E1S and want to capture from VGA, but most of the cables on Amazon are openly unidirectional - DVI to VGA - and the ones I've bought that aren't up front about it mention the limitation once you open the pack. Using a passive DVI to VGA …

Re: VGA Capture Thread

Posted on 2020-09-07, 12:50

Image quality comparison between the Datapath VisionRGB-E1S and the Datapath VisionRGB-PRO2. Captured at 640 x 480 from a Matrox G400 with a normal-quality VGA cable using the VCS software. The base image quality is virtually the same. Any variation appears to be largely or entirely due to user- …

Re: Release Announcements Consolidation

Posted on 2020-06-07, 16:50

Focus for now for this thread is posts without discussion or meaningless discussion in Release Announcements . For those with will have to see what to do to cleanup and put on a wiki. Traffic (downloads, clicks) originating from Vogons announcements tends to be fairly light, even for software …

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