Stream OBS Virtual Camera + PulseAudio over a video call (Debian Linux)
0:00 Intro
0:53 The required packages
1:08 obs-studio
1:27 pulseaudio, pavucontrol
2:25 v4l2loopback-dkms, pkexec, lxpolkit
3:31 What pkexec and lxpolkit are for
5:05 pavucontrol's interface
5:51 The Playback tab
7:08 The Output Devices and Input Devices tabs
7:18 The Output Devices tab
8:32 More on the Playback tab
9:30 The Input Devices tab
10:51 Monitors
12:37 Not all apps have access to monitors
14:34 PulseAudio terms: source and sink
16:14 PulseAudio config file overview
22:01 PulseAudio terms: null sink
25:39 Loopbacks
31:21 "Non-streaming apps" and "Streaming apps"
35:22 A diagram of the entire setup
39:03 Virtual microphones
40:26 OBS can record directly from monitors
44:04 Setting up tracks for recording
47:26 Important settings for streaming
50:47 Physical speakers and microphones
52:46 A demonstration
57:06 Outro
PulseAudio config file: https://gist.github.com/linguisticmin...
PulseAudio - modules documentation : https://www.freedesktop.org/wiki/Soft...
These videos helped in creating this setup, and they might be helpful to users of other OSes:
NapoleonWils0n - Create a Virtual Microphone on Linux with Pulseaudio for Obs Studio: • Create a Virtual Microphone on Linux ...
NapoleonWils0n - OBS Studio Skype, Zoom etc add a Guest on Windows, Mac and Linux: • OBS Studio Skype, Zoom etc add a Gues...
Blog articles and discussion threads that helped in creating this setup:
Virtual microphone using GStreamer and PulseAudio : A Weird Imagination: https://aweirdimagination.net/2020/07...
Down the drain: The elusive ‘default’ PulseAudio sink – brokkr.net: https://brokkr.net/2018/05/24/down-th...
update-sink-proplist does not work when setting a description containing spaces (#615) · Issues · PulseAudio / pulseaudio · GitLab: https://gitlab.freedesktop.org/pulsea...
PulseAudio naming a device - Unix & Linux Stack Exchange: https://unix.stackexchange.com/questi...
The game I used for demonstration in this video:
Crash Bandicoot (video game) - Wikipedia: https://en.wikipedia.org/wiki/Crash_B...)
Example videos used:
Wikimedia Commons - File:Open Data - explained in a nutshell.webm: https://commons.wikimedia.org/wiki/Fi...
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