Intel RealSense F200, SR300, R200, LR200 and ZR300 capture Formula was removed
Last versions were
librealsense@1 requires the following formulae to be installed:
cmake 3.11.1 Cross-platform make
pkg-config 0.29.2 Manage compile and link flags for libraries
glfw 3.2.1 Multi-platform library for OpenGL applications
libusb 1.0.22 Library for USB device access

Recent formula history

FX Coudert librealsense@1: remove
Steven A. Cholewiak librealsense@1 1.12.1 (new formula)

Formula code at GitHub