Obs studio virtual camera linux

OBS Virtualcam 2.0.5

NOTE: The horizontal flip option is bugged and will likely cause crashes. Please do not use it. If you need to flip your video, either flip the sources in OBS itself, or flip on the receiving end (i.e. in Zoom, Skype, etc.)

This plugin provides a DirectShow Output as a virtual webcam.

How to use:
OBS Virtualcam has two main methods for outputting video from OBS. The first is the Preview output, which is enabled from the Tools menu. This output will provide exactly what you see in the Preview in OBS, including any changes or scenes you might switch to. This is the most common method, and probably what you would want to use.

Preview Output:
1. Select Tools -> VirtualCam in the main OBS Studio window
2. Press the Start button, then close the dialog
3. Open your program (Zoom, Hangouts, Skype, etc.) and choose OBS-Camera as your webcam

The next method is a filter that you can add to any scene or source, if you only want to output that specific scene or source, and nothing else.

Source Filter:
1. Add a VirtualCam filter to the scene/source you want to output to the virtual camera
2. Choose a camera target then press Start
3. If the button does not change to Stop, it means the camera is already in use, and you must choose a different camera or stop the other output first.
4. Open your program (Zoom, Hangouts, Skype, etc.) and choose the camera you selected as the target as your webcam

Why are the resolution and framerate sometimes not the same as my OBS output settings?
If you open an OBS-Camera device in a 3rd party application before starting the output in OBS, OBS-Camera will default to 1080p 30fps. If you start OBS first, it will use whatever is set as the Output resolution and framerate in OBS Studio’s options, under Settings -> Video.

Does this plugin support other platforms?
For Linux, you can use the Video4Linux sink plugin for OBS Studio. Directions on how to configure it are available from that link. Work is underway to provide a similar plugin for macOS, but there is no ETA.

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OBS-VirtualCam 2.0.4

MOD EDIT: This version of the plugin is currently deprecated and should not be used with OBS Studio v25. Please use this version instead: https://obsproject.com/forum/resources/obs-virtualcam.949/

We on the OBS team thank CatxFish for their hard work on this plugin.

This plugin provides a directshow Output as a virtual webcam .

How to use:
Output:
1. Selecting Tools -> VirtualCam
2. Press start button and close diailog
3. Open your 3rd party program and choose «OBS-Camera» as a Video input

Filter:
1.Add a filter to the source you want to output to the camera
2.Choose a sink camera target then press start button
3.If this camera is not occupied , the start button will change to stop button .
4.Open your 3rd party program and choose «OBS-Camera» as a Video input.

How to Install without installer:
1.Go Github Release to find zip file
2.Unzip OBS-VirtualCam2.0.1.zip and put it to your obs-studio install folder
3.Run CMD as Administrator and register 32bit directshow source
ex: regsvr32 «C:\Program Files (x86)\obs-studio\bin\32bit\obs-virtualsource.dll»
4.Do it again to register 64bit directshow source
ex: regsvr32 «C:\Program Files (x86)\obs-studio\bin\64bit\obs-virtualsource.dll»

Register failed during installation
It’s usually due to dependency reason . There’s a chance you need to install visual studio 2017 redistributable package (2013 if the plugin version is 1.x.x ), also the directshow interface needs swscale-4.dll and avutil-55.dll in you obs install directory.

FAQ:
Is it necessary to install 32bit version?
Yes, there are still many 3rd party programs use 32bit directshow interface for the reason of compatibility.

Why resolution and framerate are not same as OBS output Setting?
If you open OBS and Start Virtual Output before using your 3rd party software, the virtual webcam will set the obs setting as a default setting .Otherwise the default setting of virtual webcam will be 1920×1080 @ 30fps

Is it possible to output with portrait resolution (like 1080×1920) ?
It depends on your 3rd party software , it might reject recommended resolution.
If your software is compatible , you just need to set the obs output setting to the resolution you want.

How to prevent the drop frame issue?
Maybe your PC is too busy ,try to set more buffer.

Is there a virtual microphone ?
This plugin provide a directshow audio source which can’t be recognized as microphone , only some programs like VLC can use it.

Does this plugin support other platforms?
There’s a Video4Linux version . But it only contains the sink part , you have to use it with v4l2loopback.
And there’s no plan on mac version.

Is the driver-layer virtual device ( for microphone) development still going?
No, there are two reasons why I decide to make it pending.
1. The development is mess and painful, an error could cause blue screen.
2. Even you finish the code , you still need a paid certificate called EV code signing to distribute your driver.

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Obs studio virtual camera linux

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 OBS-VirtualCam.zip and put it to your obs-studio install folder.
2. Run CMD as Administrator and register 32bit directshow source

1. Do it again to register 64bit directshow source

• If you want to Remove the directshow filter , you can also use regsvr32 to do this

Register specific number of virtual cameras

Unregister then register 2 directshow camera (up to 4)

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

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Install Instructions

If you want to develop for OBS, please visit our Discord and get to know the devs or have questions answered!

Also, if there is something in this guide you want to change/improve on, it is recommended that you talk about it with the devs in Discord or IRC first.

Please note that any install directions/packages for Linux/FreeBSD distributions listed as Unofficial means that they are community provided, and any support for those packages should be directed at the appropriate distro/package maintainers.

Table of Contents:

Windows

Windows Install Directions:

The full .exe installer and .zip contains OBS Studio 32bit, 64bit, Browser Source, and Intel® RealSense™ plugin. You will be prompted during install for the Browser Source and RealSense plugin to be installed if using the .exe installer, otherwise the components are included in the .zip.

The small .exe installer contains the base OBS Studio 32bit, 64bit, Intel® RealSense™ plugin, but does not contain the Browser Source plugin.

NOTE: If using the .zip method for either the full or small install and installing to a non-standard program location (i.e. outside Program Files), you will need to add the security group ALL APPLICATION PACKAGES to have full control over the main OBS Studio directory and sub-directories. Certain features may not function properly without these security rights (primarily, the ability to use game capture on UWP apps).

Windows Build Directions:

Requirements for building OBS on Windows

• Development packages of FFmpeg , x264 , cURL , and mbedTLS .
  • Pre-built versions of these dependencies for VS2019 on Windows can be found here:
    • VS2019: https://obsproject.com/downloads/dependencies2019.zip
• Qt5 (Grab the MSVC package for your version of Visual Studio)
  • We currently deploy with Qt 5.15.2
    • Qt 5.15.2 Windows
• CEF Wrapper 3770 (x64, x86)
• Windows version of CMake (3.16 or higher, latest preferred)
• Windows version of Git (Git binaries must exist in path)
• Visual Studio 2019
  • Windows 10 SDK (minimum 10.0.20348.0). Latest SDK

Installation Procedure

Clone the repository and submodules:

If you do not know what submodules are, or you are not using Git from the command line, PLEASE make sure to fetch the submodules too.

Create one or more of the following subdirectories within the cloned repository for building: release , debug , and build (suffixed with or without 32/64 to specify architecture). They are excluded from the repo in .gitignore for the sake of building, so they are safe to create and use within the repository base directory.

Run cmake-gui, and set the following fields:

• In «where is the source code», enter in the repo directory (example: D:/obs).
• In «where to build the binaries», enter the repo directory path with the ‘build’ subdirectory (example: D:/obs/build).

Set the following variables. You can set them in cmake-gui, or you can set them as Windows Environment Variables to persist across configurations.

Required

DepsPath is the path to the folder containing the dependencies, not including Qt. Set this to the win32 or win64 directory from the Pre-built dependencies package that you downloaded earlier.
For example, if you extracted the dependencies .zip to C:\obs-deps, DepsPath should be one of these:

If you want to specify both 32 and 64 bit dependencies to avoid changing the variable between builds, you can instead set DepsPath32 and DepsPath64 like so:

• DepsPath32 : C:\obs-deps\win32
• DepsPath64 : C:\obs-deps\win64

QTDIR is the path to the Qt install directory. The OBS UI is built by default, which requires Qt. Set the CMake boolean variable DISABLE_UI to TRUE if you don’t want the GUI and this is no longer required. Can be optionally suffixed with 32 or 64 to specify target arch.

NOTE: Make sure to download Qt prebuilt components for your version of MSVC (32 or 64 bit).

Example Qt directories you would use if you installed Qt to D:\Qt would usually look something like this:

• QTDIR32=D:\Qt\5.15.2\msvc2019 (32-bit)
• QTDIR64=D:\Qt\5.15.2\msvc2019_64 (64-bit)

CEF_ROOT_DIR is the path to an extracted CEF Wrapper. We provide a custom prebuilt wrapper to simplify the build process. This custom build includes access to hardware acceleration and additional codecs. This enables Browser Source and Custom Browser Docks.

Be sure to also enable the CMake flag BUILD_BROWSER otherwise this will do nothing

Optional

• VIRTUALCAM_GUID — Set to any random GUID value. This must be set to build the Virtual Camera features.

(If these components below share the same directory as DepsPath, they do not need to be individually specified.)

• FFmpegPath — Path to just FFmpeg include directory.
• x264Path — Path to just x264 include directory.
• curlPath — Path to just cURL include directory.

INFORMATIONAL NOTE: Search paths and search order for base dependency library/binary files, relative to their include directories:

In cmake-gui, press ‘Configure’ and select the generator that fits to your installed VS Version:
Visual Studio 16 2019, or their 64bit equivalents if you want to build the 64bit version of OBS

• NOTE: If you need to change your dependencies from a build already configured, you will need to uncheck COPIED_DEPENDENCIES and run Configure again.

If you did not set up Environment Variables earlier you can now configure the DepsPath and if necessary the x264, FFmpeg and cUrl path in the cmake-gui.

In cmake-gui, press ‘Generate’ to generate Visual Studio project files in the ‘build’ subdirectory.

Open obs-studio.sln from the subdirectory you specified under «where to build the binaries» (e.g. D:/obs/build) in Visual Studio (or click the «Open Project» button from within cmake-gui).

The project should now be ready to build and run. All required dependencies should be copied on compile and it should be a fully functional build environment. The output is built in the ‘rundir/[build type]’ directory of your ‘build’ subdirectory.

The PACKAGE target uses Wix Installer and seems to be obsolete. Discussion on discord indicates that the current installer uses NSIS, but the process seems not to be fully documented.

If you want to use the Virtual Camera from this build, you will need to run its install script. If you already have a standard OBS Studio installation, you will need to uninstall its Virtual Camera first.

To uninstall an OBS Virtual Camera:

1. Close any applications that were using the OBS Virtual Camera.
2. In the obs-studio installation directory, run data\obs-plugins\win-dshow\virtualcam-uninstall.bat as administrator.

To install an OBS Virtual Camera:

1. In the obs-studio installation directory (for Visual Studio builds, this is ‘[build dir]/rundir/[build type]’), run data\obs-plugins\win-dshow\virtualcam-install.bat as administrator.

Don’t forget to uninstall your build’s virtual camera before cleaning/deleting your build files.

Integrating clang-format into Visual Studio

• clang-format is required for pull requests, and our CI uses a specific version that may not match the one VS2019 ships with.
• Download and install LLVM 10.0.0. LLVM 11+ currently introduces extra clang-format changes that we do not want to handle at this time.
• Run VS, and go to Tools -> Options.
  • Text Editor -> C/C++ -> Code Style -> Formatting -> General
    • Enable «Use custom clang-format.exe» and enter the file name. For example:
      • C:\Program Files\LLVM\bin\clang-format.exe
• The default command for formatting a document (Edit.FormatDocument) is Ctrl+K, Ctrl+D.

macOS

macOS Install Directions

Simply run the installer and follow the on-screen directions to install OBS Studio.

macOS Build Directions

Clone the repository and submodules:

If you do not know what submodules are, or you are not using Git from the command line, PLEASE make sure to fetch the submodules too.

macOS Full Build Script

To get a self-built OBS up and running, a default build and packaging script is provided. This script only requires Homebrew (https://brew.sh) to be installed on the build system already:

• To build OBS as-is with full browser-source support, simply run ./CI/full-build-macos.sh from the checkout directory (The script will take care of downloading all necessary dependencies).
• To create an app-bundle after building OBS, run the script with the -b flag: ./CI/full-build-macos.sh -b
• To create a disk image after building OBS, run the script with the -p flag: ./CI/full-build-macos.sh -b -p
• To notarize an app-bundle after building and bundling OBS, run the script with the -n flag: ./CI/full-build-macos.sh -b -n
• To create an app-bundle without building OBS again, run the script with the -s flag: ./CI/full-build-macos.sh -s -b

The last option is helpful if custom cmake flags have been used, but a proper app bundle is desired.

macOS Custom Builds

Custom build configurations require a set of dependencies to be installed on the build system. Some dependencies need to be installed via Homebrew (https://brew.sh):

If you need SRT support, either use FFmpeg provided by obs-deps or install FFmpeg from a custom tap instead of the default homebrew FFmpeg:

Pre-Built Dependencies

These dependencies are also available via obs-deps (https://github.com/obsproject/obs-deps) as pre-compiled binaries, which are assured to be compatible with current OBS code (as OBS is built against specific versions of some packages while Homebrew delivers most recent stable builds).

When using obs-deps, extract both archives from the macOS release to /tmp/obsdeps to assure compatibility with app bundling later (due to the way dylib s are identified and linked).

Create a build directory inside the obs-studio directory, change to it, then configure the project via cmake :

Build OBS by running make .

Configuring and Building

If not already handled by the Homebrew installation, install a current macOS platform SDK (only macOS High Sierra 10.13.4 or later is supported): xcode-select —install

Create a build directory inside the obs-studio directory, change to it, then configure the project via cmake :

NOTE: cmake might require additional parameters to find Qt5 libraries present on this system, this can either be provided via -DQTDIR=»/usr/local/opt/qt» or setting an environment variable, e.g.: export QTDIR=/usr/local/opt/qt

Build OBS by running make

Run OBS from the /rundir/RelWithDebInfo/bin directory in your build directory, by running ./obs from a Terminal

NOTE: If you are running via command prompt, you must be in the ‘bin’ directory specified above, otherwise it will not be able to find its files relative to the binary.

macOS Xcode Project

To create an Xcode project for OBS, cmake must be run with additional flags. Follow the build instructions above to create a working configuration setup, then add -G Xcode to the cmake command, e.g.:

This will create an obs-studio.xcodeproj project file in the build directory as well as Xcode project files for all build dependencies. To build a full macOS build, the build target ALL_BUILD can be used, but must be configured first:

• Select ALL_BUILD from available build schemes in Xcode, then press CMD+B to build the project at least once
• Then select Edit Scheme. from the same menu.
• Under the Info tab, click on the dropdown for Executable , then click on other .
• Navigate to the /rundir/debug/bin bin folder that the previous Xcode build process should have created and select the obs binary found there.
• Next, switch to the Options tab and check the box to Use custom working directory and select the same /rundir/debug/bin directory in your Xcode build directory.

NOTE: When running OBS directly from Xcode be aware that browser sources will not be available (as CEF requires to be run as part of an application bundle in macOS) and accessing the webcam will lead to a crash (as macOS requires a permission prompt text set in an application bundle’s Info.plist which is, of course, not available).

To debug OBS on macOS with all plugins and modules loaded, follow these steps:

• Build (but do not run) OBS with Xcode.
• Run BUILD_DIR=»YOUR_XCODE_BUILD_DIR» BUILD_CONFIG=»Debug» ../CI/full-build-macos.sh -d -s -b to bundle OBS build by Xcode, replace YOUR_XCODE_BUILD_DIR with the directory where you ran cmake to create the Xcode project.
• Next, create a new Xcode project, select macOS as platform and Framework as type.
• Give your project any arbitrary name and place it in any folder you like.
• With the new project open, click on your current build scheme in Xcode and select Edit Scheme. .
• For the Run step, go to the Info tab and select Other. in the dropdown for Executable .
• Browse to your OBS Xcode build directory and select the OBS.app application bundle created by the script.

You can now run OBS with Xcode directly attached as debugger. You can debug the visual stack as well as trace crashes and set breakpoints.

NOTE: Breakpoints set in the actual Xcode project do not carry over to this «helper» project and vice versa.

Linux

Any installation directions marked Unofficial are not maintained by the OBS Studio author and may not provide all the features and/or be up to date or stable.

NOTE: OpenGL 3.3 or later is required to use OBS Studio on Linux. You can check what version of OpenGL is supported by your system by typing glxinfo | grep «OpenGL» on Terminal.

Linux Install Directions

Ubuntu/Mint Installation

Please note that OBS Studio is not fully working on Chrome OS and features like Screen and Window Capture do not work.

xserver-xorg version 1.18.4 or newer is recommended to avoid potential performance issues with certain features in OBS, such as the fullscreen projector.

FFmpeg is required. If you do not have the FFmpeg installed (if you’re not sure, then you probably don’t have it), you can get it with the following commands:

If you want virtual camera support you need v4l2loopback-dkms installed. You can install it with the following command :

Make sure you enabled the multiverse repo in Ubuntu’s software center (NOTE: On newer versions of Ubuntu, adding a repository automatically apt updates.) Then you can install OBS with the following commands:

Arch Linux Installation (Unofficial)

• «Release» version is available on the community repository:
• Some AUR packages are also available.

Manjaro Installation (Unofficial)

• Graphical: search «obs-studio» on Pamac Manager or Octopi
• Command-line: install it via pacman with the following command:
• Some AUR packages are also available.

Fedora Installation (Unofficial)

OBS Studio is included in RPM Fusion. If you do not have it configured (if you’re not sure, then you probably don’t have it), you can do so with the following command:

Then you can install OBS with the following command (this pulls all dependencies, including NVENC-enabled FFmpeg):

For NVIDIA Hardware accelerated encoding, make sure you have CUDA installed:

If you have an older card, use this command instead:

OpenMandriva Installation (Unofficial)

• OBS Studio is included in OpenMandriva Lx3 non-free repository and in restricted repository for upcoming Lx4 release — available now as Cooker.

For OpenMandriva Lx3

Graphical: search and install «obs-studio» on «OpenMandriva Install and Remove Software» (Rpmdrake)

Command-line: install it as root (su or sudo) via terminal/konsole with the following command:

For OpenMandriva Lx4

Graphical: search and install «obs-studio» on «OpenMandriva Software Management» (dnfdragora)

Command-line: install it as root (su or sudo) via terminal/konsole with the following command:

Solus Installation (Unofficial)

• Graphical: search obs-studio in Software Center
• Command-line: install it as root (su or sudo) via terminal/konsole with the following command:

openSUSE Installation (Unofficial)

The Packman repository contains the obs-studio package since it requires the fuller version of FFmpeg which is in Packman for legal reasons. If you do not already have the Packman repository add it as shown below.

• For openSUSE Tumbleweed:

• For openSUSE Leap 15.2 (If you’re using a derivative of Leap, replace $releasever by your leap release number) :

The Packman version of FFmpeg should be used for full codec support. To
ensure any existing codec packages are switched to Packman versions
execute the following before installing obs-studio.

Install the obs-studio package.

Gentoo Installation (Unofficial)

Command-line: can be installed using portage by the following command:

NixOS Installation (Unofficial)

Command-line: can be installed by the following command:

See https://nixos.org/wiki/OBS for further instructions

UOS/Deepin Installation (Unofficial)

UOS/Deepin 20 or newer is required.

First, make sure you have everything up-to-date.

FFmpeg is required. If you do not have the FFmpeg installed (if you’re not sure, then you probably don’t have it), you can get it with the following command (or compile it yourself):

Finally, install OBS Studio.

Debian/LMDE Installation (Unofficial)

Debian 9.0 or newer is required.
Please note that OBS Studio is not fully working on Chrome OS and features like Screen and Window Capture do not work.

Also note that as of 2021-06-13, this package is the outdated 0.0.1 version. It should still work, but won’t have all new improvements. Build from source to get the newest version.

First, make sure you have everything up-to-date.

FFmpeg is required. If you do not have the FFmpeg installed (if you’re not sure, then you probably don’t have it), you can get it with the following command (or compile it yourself):

Finally, install OBS Studio.

Void Installation (Unofficial)

First make sure your repositories are up-to-date. OBS is available on the multilib repos if you need the 32-bit build.

Then install OBS Studio. Any missing dependencies will be installed automatically.

• If it refuses to install, try running sudo xbps-install -Su to update everything first.

snappy Installation (Unofficial)

If you haven’t already, install snapd (ignore the Support Overview which is outdated).

Install OBS Studio.

Linux Build Directions

Note: as of May 1, 2019, Facebook live now mandates the use of RTMPS. That functionality requires your distro’s mbed TLS package, which obs-studio/cmake/Modules/FindMbedTLS.cmake script searches for at compile time.

Note: Do not use the GitHub source .tar as it does not include all the required source files. Always use the appropriate Git tag with the associated submodules.

Red Hat-based Build Directions

Get RPM Fusion at http://rpmfusion.org/Configuration/ (Nux Desktop is an alternative that may include better packages for RHEL/CentOS 7)

Get the required packages:

• If speexdsp-devel is not available, it can be built from source (https://gitlab.xiph.org/xiph/speexdsp)

Building and installing OBS:

If building with browser source:

If building without browser source:

By default OBS installs libraries in /usr/local/lib. To make sure that the loader can find them there, create a file /etc/ld.so.conf.d/local.conf with the single line

Fedora Build Directions

Building and installing OBS:

If building with browser source:

If building without browser source:

Debian-based Build Directions

Get the required packages:

Building and installing OBS:

If you have configured your environment with a umask 077 or a noexec home dir you may
want to change your CMAKE_INSTALL_PREFIX , as it is reported /usr may change permissions on /usr/bin and /usr/lib .

If building with browser source:

If you have checkinstall use this instead of make install

If building without browser source:

If you have checkinstall use this instead of make install

openSUSE Build Directions

See openSUSE installation instructions (above) for details on adding Packman repository.

Install build dependencies:

Building and installing OBS:

If building with browser source:

If building without browser source:

Linux portable mode (all distros)

Please note that you need to install the build dependencies for your distribution before following this steps. See above.

You can build in portable mode on Linux, which installs all the files to an isolated directory.

If building with browser source:

If building without browser source:

After that, you should have a portable install in

/obs-studio-portable . Change to bin/64bit or bin/32bit and then simply run: ./obs

FreeBSD

FreeBSD Installation (Unofficial)

Install OBS Studio:

FreeBSD Build Directions

The easiest way to build OBS Studio from source is to use the FreeBSD Ports and modify the multimedia/obs-studio port to suit your needs.

First you have to set up the ports infrastructure on your system. See the related chapter in the FreeBSD Handbook.

Once you’ve got your ports tree at /usr/ports you may edit the multimedia/obs-studio port to your liking. Then, you may build and install the port with:

Guides/Info

Install Instructions

© 2012 — 2021. OBS and OBS Studio are created and maintained by Jim. Development by OBS Studio Contributors.
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