Pipewire to respect board sample-rates and realtime.

pipewire.diff

--- /dev/null	2023-02-16 09:56:49.926039011 -0300
+++ ~/.config/pipewire/pipewire.conf.d/client.conf	2023-02-16 11:24:56.594194607 -0300
@@ -0,0 +1,25 @@
+# Client config file for PipeWire version "0.3.65" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/client.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/client.conf.d/ for local changes.
+#
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    resample.quality      = 15
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = true
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+    #dither.noise = 0
+}
--- /dev/null	2023-02-16 09:56:49.926039011 -0300
+++ ~/.config/pipewire/pipewire.conf.d/pipewire.conf	2023-02-16 11:36:27.950698779 -0300
@@ -0,0 +1,46 @@
+# Simple daemon config file for PipeWire version "0.3.65" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/minimal.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/minimal.conf.d/ for local changes.
+#
+
+context.properties = {
+    ## Properties for the DSP configuration.
+    default.clock.rate          = 192000
+    # Get hardware rates with
+    # grep -A1 Default\ PCM: /proc/asound/card*/codec#0 | awk -F: '{print $2}'
+    default.clock.allowed-rates = [ 32000 44100 48000 88200 96000 192000 ]
+    #default.clock.rate          = 48000
+    #default.clock.allowed-rates = [ 48000 ]
+    #default.clock.quantum       = 1024
+    #default.clock.min-quantum   = 32
+    #default.clock.max-quantum   = 2048
+    #default.clock.quantum-limit = 8192
+    #default.video.width         = 640
+    #default.video.height        = 480
+    #default.video.rate.num      = 25
+    #default.video.rate.denom    = 1
+    #
+    settings.check-quantum      = true
+    settings.check-rate         = true
+}
+
+
+context.modules = [                           
+    # Uses realtime scheduling to boost the audio thread priorities. This uses
+    # RTKit if the user doesn't have permission to use regular realtime
+    # scheduling.
+    { name = libpipewire-module-rt
+        args = {
+            nice.level    = -11                                  
+            rt.prio      = 88                                   
+            rt.time.soft = -1                                   
+            rt.time.hard = -1                                   
+        }                                                        
+        flags = [ ifexists nofail ]                              
+    }                                                            
+]
--- /dev/null	2023-02-16 09:56:49.926039011 -0300
+++ ~/.config/pipewire/pipewire.conf.d/pipewire-pulse.conf	2023-02-16 11:25:04.156079840 -0300
@@ -0,0 +1,25 @@
+# PulseAudio config file for PipeWire version "0.3.65" #
+#
+# Copy and edit this file in /etc/pipewire for system-wide changes
+# or in ~/.config/pipewire for local changes.
+#
+# It is also possible to place a file with an updated section in
+# /etc/pipewire/pipewire-pulse.conf.d/ for system-wide changes or in
+# ~/.config/pipewire/pipewire-pulse.conf.d/ for local changes.
+#
+
+stream.properties = {
+    #node.latency          = 1024/48000
+    #node.autoconnect      = true
+    resample.quality      = 15
+    #channelmix.normalize  = false
+    #channelmix.mix-lfe    = true
+    #channelmix.upmix      = true
+    #channelmix.upmix-method = psd  # none, simple
+    #channelmix.lfe-cutoff = 150
+    #channelmix.fc-cutoff  = 12000
+    #channelmix.rear-delay = 12.0
+    #channelmix.stereo-widen = 0.0
+    #channelmix.hilbert-taps = 0
+    #dither.noise = 0
+}