What it is receiving is my Macbook Pro's screen, which I have also brought up the resolution being output- 4k30.

To the right, the smaller version, is the FULL SCALE source I am getting in OBS, at the exact same time, with the exact same 4k30 output. My problem is that my 4k input is being downscaled (apparently by OBS) to 1080p, so I've got nothing to crop, as I'd have to stretch a (now) 1080p signal up to 4k, then crop, resulting in horrible quality. To handle the full 3840x2160 you should set your OBS Base resolution to that, and the scaled output size to 1080p then. You keep going back to "your source sends 1920x1080p60" completely ignoring the fact that both dcmouser and myself have CONFIRMED (and in my case I have shown evidence here) that 1) our video source is sending 4k30, and 2) that in every other windows capture software (at least that I have access to), using the exact same video source, and exact same Camlink Pro PCIe card, yield a 4k30 capture. I've gone through and tried every port, and none of them seem to do 4Kp30 to OBS (again, they ALL do 4Kp30 to every other capture software I have).Little more card can change resolution from higher to lower but not FPS or interpolation to progressive mode. Pic- ture in Picture, Side by Side, Triple, or Quad — choose your Multiview layout in Elgato 4K Capture Utility, and switch layouts on the fly with Elgato Stream Deck. Talk with fellow content creators about tips, tricks and everything Elgato and content creation, game streaming, recording and more. Cam Link Pro after connect cable, send list of resolution to sender (source of video), then decided which resolution send, if you block on sender resolution - receiver show black screen or communique 'You are after range' if resolution is not supported or show picture if supported.

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I am seeing 1) 3840x2160 as the resolution in the OBS source properties, 2) 3840x2160 as the video resolution in the camlink device properties, and 3) I am definitely getting a 3840x2160 output everywhere other than OBS, but 4) the logs from OBS are showing the source as 1920x1080 (even though the properties menu shows 4k). Also bonus tip: I found if you're using NVIDIA Broadcast and you want to 'break/hack' the restriction of eye contact (beta) for 4k, all you have to do is have the NVIDIA Broadcast software installed and the eye contact effect turned on to one of your default system cameras before installing your cam link pro drivers/4k utility program. Any camera with unencrypted HDMI output and a supported resolution and frame rate will appear like a webcam in various applications. A powerful video mixer engineered for multicam production, Cam Link Pro equips you to capture four video inputs with ultimate ease and flexibility.

And going back to beginning if you see in OBS (logs) this resolution 1920x1080 and FPS 60 - your source send 1920x1080p60. The upper left side is Elgato capture utility, and I've conveniently circled where it states that it is RECEIVING A 4k30 signal. Is there any reason it doesn't do the same for other source types (like a Display Capture source, or a Window capture source)? A powerful video mixer engineered for multicam production, Elgato Cam Link Pro equips you to capture four HDMI signals from cameras, computers, laptops, tablets and more.

The rest is like Tomasz told: crop and resize to fullscreen the 1080p upper left part of the Ultra-HD source as you wished. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). I have a Camlink 4k Pro PCIe card, with 2 1080p inputs (face cam and secondary cam), and a 4k input (MacbookPro outputting 3840x2160p). I have confirmed that I am getting a full 4k signal from the Camlink Pro in a few ways- both when using Elgato's capture tool and Windows Camera app, I get full resolution of the source on my 4k monitor.