OBS VirtualCam Mac Plugin

obs-mac-virutalcam is a plugin for obs-studio that exposes an output transforming the output video from obs into a virtual CoreMediaIO device.

Features

• mac-virtualcam-obs-plugin: Plugin that sinks raw video into CoreMediaIO DAL interface through mach
• mac-virtualcam-osx-plugin: CoreMediaIO DAL implementation that listens to the mac-virtualcam-obs-plugin output

Build & Install

Currently building from source is necesary to install the plugin as no binary is provided (YET )

Build

You need to install cmake and build the OBS project first. Set following Cmake variables:

• LIBOBS_INCLUDE_DIR (path) : Libobs include folder
• LIBOBS_LIB (filepath) : obs.lib path

mkdir build
cd build 
cmake -DLIBOBS_INCLUDE_DIR="../../obs-studio/libobs" -DLIBOBS_LIB="../../obs-studio/build/libobs/libobs.dylib" ..
make

Install

Building the project that you should be able to:

• Copy build/mac-virtualcam-obs-plugin/mac-virtualcam-obs-plugin.so into ${OBS_INSTALL_DIR}/obs-plugins
• Copy build/mac-virtualcam-dal-plugin/mac-virtualcam-dal-plugin.plugin into /Library/CoreMediaIO/Plug-Ins/DAL/virtualcam-mac-dal-plugin.plugin/ to install the DAL plugin.
• Run obs-studio
• Run any videocapture software (i.e. Quicktime) and a camera should be available as "OBS Virtual Camera" with obs output