PipeWire: Difference between revisions

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[https://www.pipewire.org/ PipeWire] is a relatively new (first release in 2017) low-level multimedia framework. It aims to offer capture and playback for both audio and video with minimal latency and support for [[PulseAudio]]-, [[JACK]]-, [[ALSA]]- and [[GStreamer]]-based applications. PipeWire has a great [[Bluetooth|bluetooth]] support: because Pulseaudio was [https://github.com/NixOS/nixpkgs/issues/123784 reported to have troubles with bluetooth], PipeWire can be a good alternative.

[https://www.pipewire.org/ PipeWire] is a relatively new (first release in 2017) low-level multimedia framework. It aims to offer capture and playback for both audio and video with minimal latency and support for [[PulseAudio]]-, [[JACK]]-, [[ALSA]]- and [[GStreamer]]-based applications. PipeWire has great [[Bluetooth|bluetooth]] support: because Pulseaudio was [https://github.com/NixOS/nixpkgs/issues/123784 reported to have troubles with bluetooth], PipeWire can be a good alternative.

The daemon based on the framework can be configured to be both an audio server (with PulseAudio and JACK features) and a video capture server.

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* {{nixos:package|carla}}: with JACK emulation, provides a patchbay (make sure to go to "Patchbay" tab and check "Canvas > Show External").

* catia/{{nixos:package|patchage}}: similar to qjackctl and carla.

* {{nixos:package|~~helvum~~}}: ~~GTK-based patchbay~~ for ~~PipeWire (uses the PipeWire protocol). Volume control is planned for later.~~

* {{nixos:package|pwvucontrol}}: Similar to pavucontrol but for pipewire

==Advanced Configuration==

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Despite early activation, you may still experience a race condition that prevents audio from working if you play media immediately after a new login such as running an SSH command. If this occurs, try introducing a short delay (e.g. <code>sleep 5</code>) before invoking the media player application.

==== System-wide PipeWire ====

As an alternative to having lingering systemd user services, PipeWire can also run as a system-wide Systemd service. See {{nixos:option|services.pipewire.systemWide}} for more.

{{file|/etc/nixos/configuration.nix|nix|3=

services.pipewire.systemWide = true;

services.pipewire.pulse.enable = true; # pipewire-pulse also supports running system-wide

# PipeWire users must be in the `pipewire` group

users.users.myservice1.extraGroups = [ "pipewire" ];

systemd.services.myservice2.serviceConfig.SupplementaryGroups = [ "pipewire" ];

}}

==Troubleshooting==

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-[https://www.pipewire.org/ PipeWire] is a relatively new (first release in 2017) low-level multimedia framework. It aims to offer capture and playback for both audio and video with minimal latency and support for [[PulseAudio]]-, [[JACK]]-, [[ALSA]]- and [[GStreamer]]-based applications. PipeWire has a great [[Bluetooth|bluetooth]] support: because Pulseaudio was [https://github.com/NixOS/nixpkgs/issues/123784 reported to have troubles with bluetooth], PipeWire can be a good alternative.
+[https://www.pipewire.org/ PipeWire] is a relatively new (first release in 2017) low-level multimedia framework. It aims to offer capture and playback for both audio and video with minimal latency and support for [[PulseAudio]]-, [[JACK]]-, [[ALSA]]- and [[GStreamer]]-based applications. PipeWire has great [[Bluetooth|bluetooth]] support: because Pulseaudio was [https://github.com/NixOS/nixpkgs/issues/123784 reported to have troubles with bluetooth], PipeWire can be a good alternative.
 The daemon based on the framework can be configured to be both an audio server (with PulseAudio and JACK features) and a video capture server.
@@ Line 132: / Line 132: @@
 * {{nixos:package|carla}}: with JACK emulation, provides a patchbay (make sure to go to "Patchbay" tab and check "Canvas > Show External").
 * catia/{{nixos:package|patchage}}: similar to qjackctl and carla.
-* {{nixos:package|helvum}}: GTK-based patchbay for PipeWire (uses the PipeWire protocol). Volume control is planned for later.
+* {{nixos:package|pwvucontrol}}: Similar to pavucontrol but for pipewire
 ==Advanced Configuration==
@@ Line 281: / Line 281: @@
 Despite early activation, you may still experience a race condition that prevents audio from working if you play media immediately after a new login such as running an SSH command. If this occurs, try introducing a short delay (e.g. <code>sleep 5</code>) before invoking the media player application.
+==== System-wide PipeWire ====
+As an alternative to having lingering systemd user services, PipeWire can also run as a system-wide Systemd service. See {{nixos:option|services.pipewire.systemWide}} for more.
+{{file|/etc/nixos/configuration.nix|nix|3=
+services.pipewire.systemWide = true;
+services.pipewire.pulse.enable = true; # pipewire-pulse also supports running system-wide
+# PipeWire users must be in the `pipewire` group
+users.users.myservice1.extraGroups = [ "pipewire" ];
+systemd.services.myservice2.serviceConfig.SupplementaryGroups = [ "pipewire" ];
+}}
 ==Troubleshooting==