VLC - DeckLink
DeckLink Output - free video output plugin for popular VLC Media Player for Windows.
Plugin sends uncompressed video & audio to BlackMagic Design DeckLink family SDI/HDMI cards
including Intensity Pro 4K and Intensity Shuttle.
https://www.blackmagicdesign.com/products/decklink/
https://www.blackmagicdesign.com/products/intensity/
Inspired by original decklink_output module which is not part of standard VLC distribution.
Developed and tested on Windows 10 64-bit with BMD Intensity Pro 4K card.
Executables and documentation can be downloaded from:
2020-02-26: vlc-decklink version 1.0.1 - DeckLink API 11.5, 32+64 bit versions
2020-01-22: vlc-decklink version 1.0.0
(Project is mirrored and commented on http://forum.doom9.org/showthread.php?p=1896637)