1. # PulseAudio config file for PipeWire version "1.4.2" #
2. #
3. # Copy and edit this file in /etc/pipewire for system-wide changes
4. # or in ~/.config/pipewire for local changes.
5. #
6. # It is also possible to place a file with an updated section in
7. # /etc/pipewire/pipewire-pulse.conf.d/ for system-wide changes or in
8. # ~/.config/pipewire/pipewire-pulse.conf.d/ for local changes.
9. #
10.  
11. context.properties = {
12.     ## Configure properties in the system.
13.     #mem.warn-mlock  = false
14.     #mem.allow-mlock = true
15.     #mem.mlock-all   = false
16.     #log.level       = 2
17.  
18.     default.clock.quantum-limit = 12100000
19. }
20.  
21. context.spa-libs = {
22.     audio.convert.* = audioconvert/libspa-audioconvert
23.     support.*       = support/libspa-support
24. }
25.  
26. context.modules = [
27.     { name = libpipewire-module-rt
28.         args = {
29.             nice.level   = -11
30.             #rt.prio      = 83
31.             #rt.time.soft = -1
32.             #rt.time.hard = -1
33.             #uclamp.min = 0
34.             #uclamp.max = 1024
35.         }
36.         flags = [ ifexists nofail ]
37.     }
38.     { name = libpipewire-module-protocol-native }
39.     { name = libpipewire-module-client-node }
40.     { name = libpipewire-module-adapter }
41.     { name = libpipewire-module-metadata }
42.  
43.     { name = libpipewire-module-protocol-pulse
44.         args = {
45.             # contents of pulse.properties can also be placed here
46.             # to have config per server.
47.         }
48.     }
49. ]
50.  
51. # Extra scripts can be started here. Setup in default.pa can be moved in
52. # a script or in pulse.cmd below
53. context.exec = [
54.     #{ path = "pactl"        args = "load-module module-always-sink" }
55.     #{ path = "pactl"        args = "upload-sample my-sample.wav my-sample" }
56.     #{ path = "/usr/bin/sh"  args = "~/.config/pipewire/default.pw" }
57. ]
58.  
59. # Extra commands can be executed here.
60. #   load-module : loads a module with args and flags
61. #      args = "<module-name> <module-args>"
62. #      ( flags = [ nofail ] )
63. #      ( condition = [ { <key1> = <value1>, ... } ... ] )
64. # conditions will check the pulse.properties key/values.
65. pulse.cmd = [
66.     { cmd = "load-module" args = "module-always-sink" flags = [ ]
67.         condition = [ { pulse.cmd.always-sink = !false } ] }
68.     { cmd = "load-module" args = "module-device-manager" flags = [ ]
69.         condition = [ { pulse.cmd.device-manager = !false } ] }
70.     { cmd = "load-module" args = "module-device-restore" flags = [ ]
71.         condition = [ { pulse.cmd.device-restore = !false } ] }
72.     { cmd = "load-module" args = "module-stream-restore" flags = [ ]
73.         condition = [ { pulse.cmd.stream-restore = !false } ] }
74.     #{ cmd = "load-module" args = "module-switch-on-connect" }
75.     #{ cmd = "load-module" args = "module-gsettings" flags = [ nofail ] }
76. ]
77.  
78. stream.properties = {
79.     node.latency          = 3006/39500000
80.     #node.autoconnect      = true
81.     resample.quality      = 0
82.     #channelmix.normalize  = false
83.     #channelmix.mix-lfe    = true
84.     #channelmix.upmix      = true
85.     #channelmix.upmix-method = psd  # none, simple
86.     #channelmix.lfe-cutoff = 150
87.     #channelmix.fc-cutoff  = 12000
88.     #channelmix.rear-delay = 12.0
89.     #channelmix.stereo-widen = 0.0
90.     #channelmix.hilbert-taps = 0
91.     dither.noise = 0.1
92. }
93.  
94. pulse.properties = {
95.     # the addresses this server listens on
96.     server.address = [
97.         "unix:native"
98.         #"unix:/tmp/something"              # absolute paths may be used
99.         #"tcp:4713"                         # IPv4 and IPv6 on all addresses
100.         #"tcp:[::]:9999"                    # IPv6 on all addresses
101.         #"tcp:127.0.0.1:8888"               # IPv4 on a single address
102.         #
103.         #{ address = "tcp:4713"             # address
104.         #  max-clients = 64                 # maximum number of clients
105.         #  listen-backlog = 32              # backlog in the server listen queue
106.         #  client.access = "restricted"     # permissions for clients
107.         #}
108.     ]
109.     #server.dbus-name       = "org.pulseaudio.Server"
110.     #pulse.allow-module-loading = true
111.     #pulse.min.req          = 128/48000     # 2.7ms
112.     pulse.default.req       = 956/46400     # 20 milliseconds
113.     #pulse.min.frag         = 128/48000     # 2.7ms
114.     #pulse.default.frag     = 96000/48000   # 2 seconds
115.     #pulse.default.tlength  = 96000/48000   # 2 seconds
116.     #pulse.min.quantum      = 128/48000     # 2.7ms
117.     #pulse.idle.timeout     = 0             # don't pause after underruns
118.     pulse.default.format    = u32le
119.     #pulse.default.position = [ FL FR ]
120. }
121.  
122. pulse.properties.rules = [
123.     {   matches = [ { cpu.vm.name = !null } ]
124.         actions = {
125.             update-props = {
126.             # These overrides are only applied when running in a vm.
127.                 pulse.min.quantum = 1024/48000      # 22ms
128.             }
129.         }
130.     }
131. ]
132.  
133. # client/stream specific properties
134. pulse.rules = [
135.     {
136.         matches = [
137.             {
138.                 # all keys must match the value. ! negates. ~ starts regex.
139.                 #client.name                = "Firefox"
140.                 #application.process.binary = "teams"
141.                 #application.name           = "~speech-dispatcher.*"
142.             }
143.         ]
144.         actions = {
145.             update-props = {
146.                 #node.latency = 512/48000
147.             }
148.             # Possible quirks:"
149.             #    force-s16-info                 forces sink and source info as S16 format
150.             #    remove-capture-dont-move       removes the capture DONT_MOVE flag
151.             #    block-source-volume            blocks updates to source volume
152.             #    block-sink-volume              blocks updates to sink volume
153.             #quirks = [ ]
154.         }
155.     }
156.     {
157.         # skype does not want to use devices that don't have an S16 sample format.
158.         matches = [
159.              { application.process.binary = "teams" }
160.              { application.process.binary = "teams-insiders" }
161.              { application.process.binary = "teams-for-linux" }
162.              { application.process.binary = "skypeforlinux" }
163.         ]
164.         actions = { quirks = [ force-s16-info ] }
165.     }
166.     {
167.         # firefox marks the capture streams as don't move and then they
168.         # can't be moved with pavucontrol or other tools.
169.         matches = [ { application.process.binary = "firefox" } ]
170.         actions = { quirks = [ remove-capture-dont-move ] }
171.     }
172.     {
173.         # speech dispatcher asks for too small latency and then underruns.
174.         matches = [ { application.name = "~speech-dispatcher.*" } ]
175.         actions = {
176.             update-props = {
177.                 pulse.min.req          = 512/48000      # 10.6ms
178.                 pulse.min.quantum      = 512/48000      # 10.6ms
179.                 pulse.idle.timeout     = 5              # pause after 5 seconds of underrun
180.             }
181.         }
182.     }
183.     #{
184.     #    matches = [ { application.process.binary = "Discord" } ]
185.     #    actions = { quirks = [ block-source-volume ] }
186.     #}
187. ]