install-audio.sh

#!/bin/bash
# ---------------------------
# This is a bash script for configuring Arch for pro audio USING PIPEWIRE.
# ---------------------------
# NOTE: Execute this script by running the following command on your system:
# wget -O ~/install-audio.sh https://raw.githubusercontent.com/brendaningram/linux-audio-setup-scripts/main/arch/install-audio.sh && chmod +x ~/install-audio.sh && ~/install-audio.sh

# Exit if any command fails
set -e

# TODO: Copy jack.conf to ~/.config/pipewire/jack.conf and make appropriate changes
# mkdir -p ~/.config/pipewire
# $SUDO cp /usr/share/pipewire/jack.conf ~/.config/pipewire/jack.conf

notify () {
  echo "--------------------------------------------------------------------"
  echo $1
  echo "--------------------------------------------------------------------"
}

# Audio
notify "Install audio packages"
echo "NOTE: When prompted, select (y)es to remove pulseaudio and pulseaudio-bluetooth."
# alsa-utils: For alsamixer (to increase base level of sound card)
$SUDO pacman -S pipewire pipewire-alsa pipewire-jack pipewire-pulse alsa-utils helvum ardour

echo "/usr/lib/pipewire-0.3/jack" | $SUDO tee /etc/ld.so.conf.d/pipewire-jack.conf
$SUDO ldconfig


# ---------------------------
# grub
# threadirqs = TODO
# cpufreq.default_governor=performance = TODO
# ---------------------------
# notify "Modify GRUB options"
# $SUDO sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet"/GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet threadirqs cpufreq.default_governor=performance"/g' /etc/default/grub
# $SUDO grub-mkconfig -o /boot/grub/grub.cfg


# ---------------------------
# limits
# ---------------------------
notify "Modify limits.d/audio.conf"
# See https://wiki.linuxaudio.org/wiki/system_configuration for more information.
echo '@audio - rtprio 90
@audio - memlock unlimited' | $SUDO tee -a /etc/security/limits.d/audio.conf


# ---------------------------
# sysctl.conf
# ---------------------------
notify "Modify /etc/sysctl.conf"
# See https://wiki.linuxaudio.org/wiki/system_configuration for more information.
echo 'fs.inotify.max_user_watches=600000' | $SUDO tee -a /etc/sysctl.conf


# ---------------------------
# Add the user to the audio group
# ---------------------------
notify "Add ourselves to the audio group"
$SUDO usermod -a -G audio $USER


# ---------------------------
# REAPER
# Note: The instructions below will create a PORTABLE REAPER installation
# at ~/REAPER.
# ---------------------------
# notify "REAPER"
# wget -O reaper.tar.xz http://reaper.fm/files/7.x/reaper720_linux_x86_64.tar.xz
# mkdir ./reaper
# tar -C ./reaper -xf reaper.tar.xz
# ./reaper/reaper_linux_x86_64/install-reaper.sh --install ~/ --integrate-desktop
# rm -rf ./reaper
# rm reaper.tar.xz
# touch ~/REAPER/reaper.ini


# ------------------------------------------------------------------------------------
# Wine (staging)
# https://wiki.winehq.org/Winetricks
# ------------------------------------------------------------------------------------

# Enable multilib
$SUDO cp /etc/pacman.conf /etc/pacman.conf.bak
cat /etc/pacman.conf.bak | tr '\n' '\f' | sed -e 's/#\[multilib\]\f#Include = \/etc\/pacman.d\/mirrorlist/\[multilib\]\fInclude = \/etc\/pacman.d\/mirrorlist/g'  | tr '\f' '\n' | $SUDO tee /etc/pacman.conf
$SUDO pacman -Syyu

# Install wine-staging
$SUDO pacman -S wine-staging winetricks --noconfirm

# NOTE: If wine-staging has regressions, you may need to downgrade.
# You can do that by installing the downgrade package from AUR and
# then specifying the version of wine-staging you want.
# Note: as of 10th October 2021 the correct number is 82 (6.14)
#$AURHLEPER -S downgrade --noconfirm
#sudo env DOWNGRADE_FROM_ALA=1 downgrade wine-staging

# Base wine packages required for proper plugin functionality
winetricks corefonts

# ------------------------------------------------------------------------------------
# yabridge
# ------------------------------------------------------------------------------------

$AURHLEPER -S yabridge-bin --noconfirm

# Create common VST paths
mkdir -p "$HOME/.wine/drive_c/Program Files/Steinberg/VstPlugins"
mkdir -p "$HOME/.wine/drive_c/Program Files/Common Files/VST2"
mkdir -p "$HOME/.wine/drive_c/Program Files/Common Files/VST3"

# Add them into yabridge
yabridgectl add "$HOME/.wine/drive_c/Program Files/Steinberg/VstPlugins"
yabridgectl add "$HOME/.wine/drive_c/Program Files/Common Files/VST2"
yabridgectl add "$HOME/.wine/drive_c/Program Files/Common Files/VST3"

# ---------------------------
# Install Windows VST plugins
# This is a manual step for you to run when you download plugins.
# First, run the plugin installer .exe file
# When the installer asks for a directory, make sure you select
# one of the directories above.

# VST2 plugins:
#   C:\Program Files\Steinberg\VstPlugins
# OR
#   C:\Program Files\Common Files\VST2

# VST3 plugins:
#   C:\Program Files\Common Files\VST3
# ---------------------------

# Each time you install a new plugin, you need to run:
# yabridgectl sync

# ---------------------------
# FINISHED!
# Now just reboot, and make music!
# ---------------------------
notify "Done - please reboot."