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  • Notice: obs-studio have officially provided virtual camera feature since version 26.0.0 , you can use it without installing this plugin


OBS-VirtualCam is a plugin for obs-studio , transforming the output video to a virtual directshow device.

Supported Platforms : Windows 7 , Windows 8 and Windows 10

Alternative for Linux users: CatxFish/obs-v4l2sink

Alternative for Mac users: johnboiles/obs-mac-virtualcam

Supported OBS Studio version : 24.0.0+


  • virtual output : A output plugin sink raw video & audio to directshow interface.
  • virtual filter output : A filter plugin sink obs source video to directshow interface.
  • virtual source : Four directshow Interfaces which can use in 3rd party software.


The installer and compressed file can be found in Release Page. Using installer is recommended, but if you want to use compressed file to install manually , please follow these instructions.

  1. Unzip and put it to your obs-studio install folder.
  2. Run CMD as Administrator and register 32bit directshow source
regsvr32 "C:\Program Files\obs-studio\bin\32bit\obs-virtualsource.dll"
  1. Do it again to register 64bit directshow source
regsvr32 "C:\Program Files\obs-studio\bin\64bit\obs-virtualsource.dll"
  • If you want to Remove the directshow filter , you can also use regsvr32 to do this
regsvr32 /u "C:\Program Files\obs-studio\bin\32bit\obs-virtualsource.dll"

Register specific number of virtual cameras

Unregister then register 2 directshow camera (up to 4)

regsvr32 /u "C:\Program Files\obs-studio\bin\64bit\obs-virtualsource.dll" 
regsvr32 /n /i:"2" "C:\Program Files\obs-studio\bin\64bit\obs-virtualsource.dll"


You need to install cmake , visual studio 2017 ,and build OBS project first. Set following Cmake variables:

  • QTDIR (path): QT folder
  • DepsPath (path): FFmpeg folder in OBS dependencies package
  • LIBOBS_INCLUDE_DIR (path) : Libobs include folder
  • LIBOBS_LIB (filepath) : obs.lib path
  • OBS_FRONTEND_LIB (filepath): obs-frontend-api.lib path
  • PTHREAD_LIB (filepath): w32-pthread.lib path


If you like my work on this plugin, you can donate via