void linux mate qemu and Pipewire with Bluetooth Support install

[david]

youtu.be/FRb-l2cBxz4

First download and install void base install.

Join our telegram group if you wana chat or have specific questions:
https://t.me/+h2K5CX5jEZA0MWJk


https://voidlinux.org/download/

void-live-x86_64-20240314-base.iso

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xbps-install xorg dbus avahi slim xf86-video-vmware slim mate mate-extra mate-control-center mate-utils mate-terminal atril eom engrampa mate-system-monitor caja-extensions mate-calc pluma mate-backgrounds mate-panel mate-applets mate-desktop mate-icon-theme mate-power-manager mate-screensaver mate-session-manager mate-settings-daemon mate-themes mate-tweak nano net-tools pavucontrol pulseaudio python3-dbus

nano /root/.xinitrc
exec mate-session

nano /home/john/.xinitrc
exec mate-session

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ln -s /etc/sv/dbus /var/service/
ln -s /etc/sv/avahi /var/service/
ln -s /etc/sv/slim /var/service/

reboot

Enjoy fresh install void mate!


To Install network-manager we need to remove and add some services in "/var/service" directorty.

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xbps-install network-manager-applet
sv down dhcpcd
rm /var/service/dhcpcd
ln -s /etc/sv/NetworkManager /var/service/

[david]

How to install qemu-kvm and pass gpu!

First, install dbus, qemu, libvirtd, and virt-manager.

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xbps-install dbus qemu virt-manager bridge-utils

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xbps-install -S binutils mksh keyutils busybox dmraid ntfs-3g pcsc-tools tpm2-tools nvme-cli

Then link and enable the services.

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ln -s /etc/sv/dbus /var/service
ln -s /etc/sv/libvirtd /var/service
ln -s /etc/sv/virtlockd /var/service
ln -s /etc/sv/virtlogd /var/service
ln -s /etc/sv/polkitd /var/service

Edit the dracut config.
Let say we have two gpu`s but one of them is RX560 that we want to pass to the VM:

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nano /etc/dracut.conf.d/vfio.conf

add_drivers+=" vfio vfio_pci vfio_iommu_type1 vfio_virqfd "
install_items+=" /etc/modprobe.d/vfio.conf /etc/modprobe.d/blacklist-rx560.conf "

Prevent RX 560 drivers from loading too early:

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sudo nano /etc/modprobe.d/blacklist-rx560.conf

softdep amdgpu pre: vfio-pci
softdep snd_hda_intel pre: vfio-pci

To activate the pass we need to add this to vfio .
Added the IDs to modprobe:

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nano /etc/modprobe.d/vfio.conf

options vfio-pci ids=1002:683d,1002:aab0

Rebuild initramfs:

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sudo dracut -f 

Update GRUB

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nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on iommu=pt vfio-pci.ids=1002:67ff,1002:aae0"

sudo grub-mkconfig -o /boot/grub/grub.cfg

Reboot and check is vfio is active:

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lspci -nnk

You must see : Kernel driver in use: vfio-pci

0a:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev cf)
Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:8a91]
Kernel driver in use: vfio-pci
Kernel modules: amdgpu
0a:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X] [1002:aae0]
Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:aae0]
Kernel driver in use: vfio-pci
Kernel modules: snd_hda_intel

[david]

Install cool open-GL efects with compiz!

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xbps-query -Rs compiz

[*] ccsm-0.8.18_6 Compiz Configuration Seetings Manager for Compiz Reloaded
[*] compiz-bcop-0.8.18_2 Compiz Reloaded bcop module
[*] compiz-core-0.8.18_3 Compiz Reloaded core module
[-] compiz-core-devel-0.8.18_3 Compiz Reloaded core module - development files
[*] compiz-plugins-experimental-0.8.18_1 Experimental plugins for Compiz Reloaded
[-] compiz-plugins-experimental-devel-0.8.18_1 Experimental plugins for Compiz Reloaded - development files
[*] compiz-plugins-extra-0.8.18_1 Extra plugins for Compiz Reloaded
[-] compiz-plugins-extra-devel-0.8.18_1 Extra plugins for Compiz Reloaded - development files
[*] compiz-plugins-main-0.8.18_1 Basic plugins for Compiz Reloaded
[-] compiz-plugins-main-devel-0.8.18_1 Basic plugins for Compiz Reloaded - development files
[*] compiz-reloaded-0.8.18_1 Compiz window manager meta-package
[*] compizconfig-python-0.8.18_7 Compiz configuration system library for Compiz Reloaded
[*] emerald-0.8.18_1 Compiz Reloaded native window decorator
[-] emerald-devel-0.8.18_1 Compiz Reloaded native window decorator - development files
[*] emerald-themes-0.8.18_2 Compiz Reloaded Emerald native window decorator themes
[*] libcompizconfig-0.8.18_14 Compiz Reloaded configuration system library
[-] libcompizconfig-devel-0.8.18_14 Compiz Reloaded configuration system libra

ccsm to configure the mate desctop efects

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compiz --replace &
emerald --replace &

if you want to auto start add it to

nano ~/.xinitrc

emerald-theme-manager to select window decoration theme !

[david]

1. A2DP: (Advanced Audio Distribution Profile): A2DP enables high-quality stereo audio streaming for music playback from a source device to a sink (e.g., headphones) but typically doesn’t support audio input. It uses codecs like the default SBC for basic quality or advanced options like LDAC and AptX for superior sound. A2DP duplex channels, such as FastStream, AptX Low Latency, or PipeWire’s “Opus 05 Pro,” allow simultaneous microphone input without switching to lower-quality HSP/HFP, with PipeWire (unlike PulseAudio) automatically supporting this feature. AVRCP complements A2DP by providing remote control for media playback functions like play, pause, and skip.

2. HFP/HSP: (Hands-Free Profile/Headset Profile): HFP and HSP are Bluetooth profiles designed for voice communication, delivering mono audio for both input (microphone) and output (speaker). They enable hands-free calling and basic audio functions in devices like headsets and car systems. While reliable for voice, they offer lower sound quality compared to A2DP and are less power-efficient than newer standards like LE Audio.To get better voice over HFP new codec mSBC can be used.

mSBC: (modified Sub-Band Codec) is a specific codec used in the Hands-Free Profile (HFP) to improve voice quality in Bluetooth audio communication. It operates at a 16 kHz sampling rate, delivering clearer mono audio compared to the older CVSD codec, making it ideal for hands-free calls in headsets or car systems. mSBC is typically used in HFP 1.6 or later, requiring both devices to support it for optimal performance. While it enhances call clarity, it still consumes more power than modern standards like LE Audio and is limited to voice applications.


3. LE Audio: Introduced in 2020 as part of Bluetooth 5.2, LE Audio is a power-efficient standard that uses the LC3 codec to deliver high-quality audio at lower bitrates. It supports advanced features like Multi-Stream Audio for true wireless earbuds, Auracast for broadcasting to multiple devices, and enhanced hearing aid compatibility. LE Audio is more versatile and energy-efficient than traditional Bluetooth audio profiles like A2DP or HFP.

LE Audio, built on Bluetooth Low Energy, uses the LC3 codec to provide high-quality audio with lower power usage, making it ideal for devices like earbuds and hearing aids. It introduces features like Multi-Stream Audio for synchronized stereo, Auracast for sharing audio with multiple listeners, and improved accessibility. It’s a significant upgrade over older profiles like HFP, offering better efficiency and versatility for future audio applications.



Void linux bluetooth audio install.

On Void Linux, the package pipewire-pulse is not available as a separate package like on some other distros. Instead, Pipewire handles the PulseAudio replacement automatically through its main components. You need to configure Pipewire itself to manage PulseAudio.

Step Install PulseAudio with Bluetooth Support:

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xbps-install -S pulseaudio pulseaudio-utils pavucontrol bluez blueman sof-firmware
sudo ln -s /etc/sv/bluetoothd /var/service/

For apple users:

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xbps-install -S broadcom-bt-firmware

Install Pipewire on Void Linux

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xbps-install -S pipewire pipewire-devel alsa-pipewire wireplumber libspa-bluetooth

mkdir -p /etc/alsa/conf.d
ln -s /usr/share/alsa/alsa.conf.d/50-pipewire.conf /etc/alsa/conf.d/ 
ln -s /usr/share/alsa/alsa.conf.d/99-pipewire-default.conf /etc/alsa/conf.d/

mkdir -p ~/.config/pipewire
cp /usr/share/pipewire/pipewire.conf ~/.config/pipewire/
cp /usr/share/pipewire/pipewire-pulse.conf ~/.config/pipewire/

Edit: /etc/pulse/client.conf

Find the line "autospawn" and make it "autospawn = no"

Make pipewire to autostart:

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mkdir -p ~/.config/pipewire/autostart

nano ~/.config/autostart/pipewire.desktop

[Desktop Entry]
Type=Application
Name=PipeWire
Exec=/usr/bin/pipewire
X-MATE-Autostart-enabled=true

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nano ~/.config/autostart/pipewire-pulse.desktop

[Desktop Entry]
Type=Application
Name=PipeWire PulseAudio Replacement
Exec=/usr/bin/pipewire-pulse
X-MATE-Autostart-enabled=true

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nano ~/.config/autostart/wireplumber.desktop

[Desktop Entry]
Type=Application
Name=PipeWire-wireplumber
Exec=/usr/bin/wireplumber
X-MATE-Autostart-enabled=true

If no sound after first boot open terminal and manualy start "/usr/bin/wireplumber" this shall fix it then add it to gnome-autostart from mate control panel.


and then test it:

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pactl info

Server String: /run/user/1000/pulse/native
Library Protocol Version: 35
Server Protocol Version: 35
Is Local: yes
Client Index: 42
Tile Size: 65472
User Name: void
Host Name: void
Server Name: PulseAudio (on PipeWire 1.2.3)
Server Version: 15.0.0
Default Sample Specification: float32le 2ch 48000Hz
Default Channel Map: front-left,front-right
Default Sink: @DEFAULT_SINK@
Default Source: @DEFAULT_SOURCE@
Cookie: 7676:4d26




youtu.be/wz1TqMbgQFk


Update How to enable LE audio!
I used exactly this MEDIATEK Wi-Fi/BT pci-e adapter + SoundPeats Air pro 4 Headphnes with firmware 0.1.9!



youtu.be/CcHb6NtXA-Y

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01:00.0 Network controller [0280]: MEDIATEK Corp. MT7921 802.11ax PCI Express Wireless Network Adapter [14c3:7961]
	Subsystem: AzureWave Device [1a3b:4680]
	Kernel driver in use: mt7921e
	Kernel modules: mt7921e

Edit bluerooth main.conf:

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sudo nano /etc/bluetooth/main.conf

Find the [General] section and change or add the following lines:

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[General]
Enable=Source,Sink,Media,Socket,LE
Experimental=true
KernelExperimental=true
PreferredCodec = LC3
ControllerMode = le

mkdir -p ~/.config/wireplumber/bluetooth.lua.d
nano ~/.config/wireplumber/bluetooth.lua.d/50-bluez-config.lua

add

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bluez_monitor.properties = {
  ["bluez5.enable-le-audio"] = true,
  ["bluez5.preferred-codec"] = "lc3",
}
bluez_monitor.rules = {
  {
    matches = {
      { "device.name", "matches", "bluez_card.*" },
    },
    apply_properties = {
      ["audio.codecs"] = "lc3",
    },
  },
}

Is possible some configuration to be tested as we change main.conf and then restart

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sv restart /var/service/bluetoothd

When using both microphones simultaneously (from left and right headphone ), an echo effect may occur. To prevent this, you can use only the left headphone's microphone. This Lua script enables that functionality!


mkdir ~/.config/pipewire/pipewire.conf.d
nano ~/.config/pipewire/pipewire.conf.d/mic-left-only.conf

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context.modules = [
  {
    name = libpipewire-module-filter-chain
    args = {
      node.description = "BT Mic Left Only"
      media.name       = "BT Mic Left Only"
      filter.graph = {
        nodes = [
          {
            type = builtin
            name = copy-left
            label = copy
            control = {
              channel = 0
            }
          }
        ]
      }
      capture.props = {
        node.name = "bt-mic-in"
        node.target = "bluez_input.98_80_BB_41_4E_AF.128"
      }
      playback.props = {
        node.name = "bt-mic-left-only"
        media.class = "Audio/Source"
      }
    }
  }
]

[david]

How to install Zen linux kernel for void:

https://github.com/jmboris/voidlinux-ke ... install.md

[david]

One amazing Theme for mate desctop !

BigSur-Dark (WhiteSur Gtk Theme)

https://www.mate-look.org/p/1403328

[david]

youtu.be/378rU-wpLX4