Using a GoPro Hero 4 as a webcam and live stream camera over wifi and tethered via hdmi.
http://goo.gl/bRVpof – rocketfish micro hdmi converter
https://www.mobizen.com/?locale=en
http://www.tequnique.com/gopro#.VQxIp-FxmSo
https://obsproject.com/
https://www.xsplit.com/
http://www.videolan.org/vlc/index.html
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