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I need to conduct a video conference using professional video cameras. I will be recording and streaming 1080p video [1]. To that end, I need to stream live video from a professional video camera to my PC. Here are the requirements:

  • The camera output is HDMI or SDI
  • The computer input is USB3
  • The delay between the time an event occurs and the moment it reaches the PC must be under 300ms.
  • The camera must show up as a webcam to the PC.
  • The PC will be running Windows or Linux.

Any ideas?

[1] I am aware of how much data is involved. Please assume that I have sufficient resources to do this.

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  • Is the USB3 interface a hard and fast requirement? PCI-E solutions would likely give better performance. Any capture device that has WDM Video Capture support will work as a web cam input. Something like the Matrox MXO2 Mini would be one device that has such support and would get the job done, but it is PCI-e or thunderbolt.
    – AJ Henderson ♦
    Mar 14, 2013 at 17:23
  • @AJHenderson, Yes, USB3 is a hard requirement because the PC will likely be a laptop or tablet that does not accept add-on cards. I might be able to use an ExpressCard slot with the MXO2 but I'm holding out for a USB3-only solution for now.
    – Gili
    Mar 14, 2013 at 17:53
  • yeah, I'm not aware of anything that is capable of doing what you need over USB3. As I understand it, there are architecture issues that make USB architecture in general not really work well for such work. I have not looked seriously in to it since USB3 came out though.
    – AJ Henderson ♦
    Mar 14, 2013 at 19:17

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Perhaps the Intensity Shuttle from Blackmagicdesign

http://www.blackmagicdesign.com/products/intensity/models/

This link has some additional info.

http://help.livestream.com/customer/portal/articles/577891-what-are-your-recommended-devices-

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  • I purchased an Intensity Shuttle. It is very finicky. You must be running Windows 7 (not older, not newer) on a specific USB3 chipset with a sufficient amount of bandwidth (older computers will not work) and you must use a specific resolution/frame-rate otherwise you'll get a black screen. Assuming you get past all these hurdles, it'll work (at least under Skype).
    – Gili
    Mar 19, 2013 at 3:16

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