OBS Studio

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OBS Studio is free software for video recording and live streaming. Built with Qt, C and C++ and maintained by the OBS Project, the software provides real-time device capture, scene composition, recording, broadcasting and source capture functions with presets for streaming to popular services such as YouTube, Twitch, Instagram and Facebook. In 2014, development started on a rewrite of the software, known as OBS Multiplatform, which included a larger feature set, multi-platform support and broader plugin support. As of 2016, the software was rebranded as OBS Studio, with the older OBS Classic being deprecated.

Installation

USE flags

USE flags for media-video/obs-studio Software for Recording and Streaming Live Video Content

alsa	Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
browser	Enable browser source support via (precompiled) CEF.
decklink	Build the Decklink plugin.
fdk	Build with LibFDK AAC support.
jack	Add support for the JACK Audio Connection Kit
lua	Enable Lua scripting support
nvenc	Build with NVENC encoding support for nVidia video cards.
pipewire	Build with PipeWire support.
pulseaudio	Add support for PulseAudio sound server
python	Build with scripting support for Python 3.
speex	Build with Speex noise suppression filter support.
ssl	Build with TLS/SSL support for RTMPS connections.
truetype	Add support for FreeType and/or FreeType2 fonts
v4l	Enable support for video4linux (using linux-headers or userspace libv4l libraries)
vlc	Build with VLC media source support.
wayland	Enable dev-libs/wayland backend

Data provided by the Gentoo Package Database · Last update: 2017-01-26 22:56 More information about USE flags

For a standard streaming setup that uses a webcam, PulseAudio, has a NVIDIA graphics card and integrates with major streaming services one might add to /etc/portage/package.use :

FILE /etc/portage/package.use/obs-studio

media-video/obs-studio lua nvenc pulseaudio speex v4l

Emerge

root #emerge --ask media-video/obs-studio

Additional software

Audio

OBS Studio can be paired with JACK, Pulseaudio or PipeWire for audio.

VLC

OBS Studio supports integration with VLC media player services. VLC support behaves much like the ordinary media source, however in addition it accepts a list of files to play as well as provides a way to play every path, URL or media source that VLC is able to play.

Usage

Invocation

OBS Studio can be invoked from the command line as follows:

user $obs --help

--help, -h: Get list of available commands.

--startstreaming: Automatically start streaming.
--startrecording: Automatically start recording.
--startreplaybuffer: Start replay buffer.
--startvirtualcam: Start virtual camera (if available).

--collection <string>: Use specific scene collection.
--profile <string>: Use specific profile.
--scene <string>: Start with specific scene.

--studio-mode: Enable studio mode.
--minimize-to-tray: Minimize to system tray.
--portable, -p: Use portable mode.
--multi, -m: Don't warn when launching multiple instances.

--verbose: Make log more verbose.
--always-on-top: Start in 'always on top' mode.

--unfiltered_log: Make log unfiltered.

--disable-updater: Disable built-in updater (Windows/Mac only)

--disable-high-dpi-scaling: Disable automatic high-DPI scaling

--version, -V: Get current version.

Removal

Unmerge

root #emerge --ask --depclean --verbose media-video/obs-studio

Troubleshooting

Wayland

If OBS Studio isn't able to record windows or the fullscreen on a Wayland compositor, adding the screencast USE flag globally to make.conf and pipewire for media-video/obs-studio should fix the issue:

FILE /etc/portage/make.conf

USE="screencast"

FILE /etc/portage/package.use

media-video/obs-studio pipewire

Virtual camera

For virtual camera support within OBS Studio emerge the v4l2loopback kernel module:

root #emerge --ask media-video/v4l2loopback

For OBS Studio to initialize the kernel module you need to give it the appropriate permissions, this can be done by running it as root or using a polkit agent.

External Resources

• OBS Tutorials - Tips and tricks for OBS Studio.
• OBS Project - The OBS Project main site.
• OBS Documentation - Detailed information for developers and users alike.