If 2 years ago there weren’t many options for HD Capture CARDS, in present there are more than 20 well known HD Capture Cards products, both internal and external devices (via USB 3.0). Avermedia has several products like Avermedia DarkCrystal HD Capture PRO PCI-e (don’t buy the SDK version because is more expensive and you don’t need the SDK, these are for developers), also Avermedia Broadcaster HD and Live Gamer HD will work even if these products oriented for gamers to record their game play, it can be used also to get the video from an HD Camcorder with HDMI connection. BlackMagic design have also good HD Capture Cards but are more expensive, a good product is BlackMagic Intensity Pro. Do your ownresearch first because there are many available products on the market and more will appear in the next months/years, prices will probably get lower as well. Just search for “HD Capture CARD HDMI” on popular search engines to see what products are available in your area.
For the Pan-tilt and Tripod read the instructions from regular camcorders, the setup is done in the same way. Also Webcamsplitter settings are done similarly, for Source you choose your HD Capture Card, resolution 1280×720 or 1920×1080, Crop enabled because you have to reduce the image to 640×480 or 800×600, Global Resize Quality enabled on QUALITY.