Spout
Spout is a Windows-only protocol and library for sharing video textures across applications.
Spout input device
This device allows receiving a video stream directly from a Spout-compatible input.
Simply choose the wanted input in the list, and put the output at the end of the video chain.
Spout output device
This device allows to create a Spout stream that other sPout-compatible software will be able to display or modify.
Simply choose the viewport options, a rendering rate, and a name for the output. You can then use the device as input to video filters.