A video is "pushed" through the LAN using PixelPusher protocol to the RPI which controls a 96x64 LED-display, arranged in 2 chains of three 32x32 panels.
References:
Controlling RGB LED display on Raspberry Pi GPIO via PixelPusher protocol: https://github.com/hzeller/rpi-matrix...
PixelPusher: http://www.heroicrobotics.com/product...