From 10fb065c9735e4a04cfc251a31529083f55c16fd Mon Sep 17 00:00:00 2001
From: j1nx
Date: Thu, 27 Aug 2020 13:33:47 +0200
Subject: [PATCH 1/1] Add 2mic pulse support
---
pulseaudio/91-seeedvoicecard.rules | 3 +-
pulseaudio/pulse_config_2mic/daemon.conf | 87 +++++++++++
pulseaudio/pulse_config_2mic/default.pa | 143 ++++++++++++++++++
.../pulse_config_2mic/seeed-voicecard.conf | 36 +++++
4 files changed, 268 insertions(+), 1 deletion(-)
create mode 100644 pulseaudio/pulse_config_2mic/daemon.conf
create mode 100644 pulseaudio/pulse_config_2mic/default.pa
create mode 100644 pulseaudio/pulse_config_2mic/seeed-voicecard.conf
diff --git a/pulseaudio/91-seeedvoicecard.rules b/pulseaudio/91-seeedvoicecard.rules
index 8b41dd1..b253459 100644
--- a/pulseaudio/91-seeedvoicecard.rules
+++ b/pulseaudio/91-seeedvoicecard.rules
@@ -2,7 +2,8 @@ SUBSYSTEM!="sound", GOTO="seeedvoicecard_end"
ACTION!="change", GOTO="seeedvoicecard_end"
KERNEL!="card*", GOTO="seeedvoicecard_end"
+ATTR{id}=="seeed2micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-2mic.conf"
ATTR{id}=="seeed4micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-4mic.conf"
ATTR{id}=="seeed8micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-8mic.conf"
-LABEL="seeedvoicecard_end"
\ No newline at end of file
+LABEL="seeedvoicecard_end"
diff --git a/pulseaudio/pulse_config_2mic/daemon.conf b/pulseaudio/pulse_config_2mic/daemon.conf
new file mode 100644
index 0000000..067a55e
--- /dev/null
+++ b/pulseaudio/pulse_config_2mic/daemon.conf
@@ -0,0 +1,87 @@
+# This file is part of PulseAudio.
+#
+# PulseAudio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# PulseAudio is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with PulseAudio; if not, see .
+
+## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
+## more information. Default values are commented out. Use either ; or # for
+## commenting.
+
+; daemonize = no
+; fail = yes
+; allow-module-loading = yes
+; allow-exit = yes
+; use-pid-file = yes
+; system-instance = no
+; local-server-type = user
+; enable-shm = yes
+; enable-memfd = yes
+; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
+; lock-memory = no
+; cpu-limit = no
+
+; high-priority = yes
+; nice-level = -11
+
+; realtime-scheduling = yes
+; realtime-priority = 5
+
+; exit-idle-time = 20
+; scache-idle-time = 20
+
+; dl-search-path = (depends on architecture)
+
+; load-default-script-file = yes
+; default-script-file = /etc/pulse/default.pa
+
+; log-target = auto
+; log-level = notice
+; log-meta = no
+; log-time = no
+; log-backtrace = 0
+
+; resample-method = speex-float-1
+; enable-remixing = yes
+; enable-lfe-remixing = no
+; lfe-crossover-freq = 0
+
+; flat-volumes = yes
+
+; rlimit-fsize = -1
+; rlimit-data = -1
+; rlimit-stack = -1
+; rlimit-core = -1
+; rlimit-as = -1
+; rlimit-rss = -1
+; rlimit-nproc = -1
+; rlimit-nofile = 256
+; rlimit-memlock = -1
+; rlimit-locks = -1
+; rlimit-sigpending = -1
+; rlimit-msgqueue = -1
+; rlimit-nice = 31
+; rlimit-rtprio = 9
+; rlimit-rttime = 200000
+
+default-sample-format = s16le
+default-sample-rate = 96000
+; alternate-sample-rate = 48000
+default-sample-channels = 2
+; default-channel-map = front-left,front-right
+
+; default-fragments = 4
+; default-fragment-size-msec = 25
+
+; enable-deferred-volume = yes
+; deferred-volume-safety-margin-usec = 8000
+; deferred-volume-extra-delay-usec = 0
diff --git a/pulseaudio/pulse_config_2mic/default.pa b/pulseaudio/pulse_config_2mic/default.pa
new file mode 100644
index 0000000..a99faff
--- /dev/null
+++ b/pulseaudio/pulse_config_2mic/default.pa
@@ -0,0 +1,143 @@
+#!/usr/bin/pulseaudio -nF
+#
+# This file is part of PulseAudio.
+#
+# PulseAudio is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# PulseAudio is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with PulseAudio; if not, see .
+
+# This startup script is used only if PulseAudio is started per-user
+# (i.e. not in system mode)
+
+.fail
+
+### Automatically restore the volume of streams and devices
+load-module module-device-restore
+load-module module-stream-restore
+load-module module-card-restore
+
+### Automatically augment property information from .desktop files
+### stored in /usr/share/application
+load-module module-augment-properties
+
+### Should be after module-*-restore but before module-*-detect
+load-module module-switch-on-port-available
+
+### Load audio drivers statically
+### (it's probably better to not load these drivers manually, but instead
+### use module-udev-detect -- see below -- for doing this automatically)
+#load-module module-alsa-sink device="hw:1,0" channels=8 rate=48000 format=s32le
+#load-module module-alsa-source device="hw:1,0" channels=8 rate=48000 format=s32le
+#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
+#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
+#load-module module-null-sink
+#load-module module-pipe-sink
+
+### Automatically load driver modules depending on the hardware available
+.ifexists module-udev-detect.so
+load-module module-udev-detect
+#channels=8 rate=48000 format=s32le
+.else
+### Use the static hardware detection module (for systems that lack udev support)
+load-module module-detect
+.endif
+
+### Automatically connect sink and source if JACK server is present
+.ifexists module-jackdbus-detect.so
+.nofail
+load-module module-jackdbus-detect channels=2
+.fail
+.endif
+
+### Automatically load driver modules for Bluetooth hardware
+.ifexists module-bluetooth-policy.so
+load-module module-bluetooth-policy
+.endif
+
+.ifexists module-bluetooth-discover.so
+load-module module-bluetooth-discover
+.endif
+
+### Load several protocols
+.ifexists module-esound-protocol-unix.so
+load-module module-esound-protocol-unix
+.endif
+load-module module-native-protocol-unix
+
+### Network access (may be configured with paprefs, so leave this commented
+### here if you plan to use paprefs)
+#load-module module-esound-protocol-tcp
+#load-module module-native-protocol-tcp
+#load-module module-zeroconf-publish
+
+### Load the RTP receiver module (also configured via paprefs, see above)
+#load-module module-rtp-recv
+
+### Load the RTP sender module (also configured via paprefs, see above)
+#load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'"
+#load-module module-rtp-send source=rtp.monitor
+
+### Load additional modules from GConf settings. This can be configured with the paprefs tool.
+### Please keep in mind that the modules configured by paprefs might conflict with manually
+### loaded modules.
+.ifexists module-gconf.so
+.nofail
+load-module module-gconf
+.fail
+.endif
+
+### Automatically restore the default sink/source when changed by the user
+### during runtime
+### NOTE: This should be loaded as early as possible so that subsequent modules
+### that look up the default sink/source get the right value
+load-module module-default-device-restore
+
+### Automatically move streams to the default sink if the sink they are
+### connected to dies, similar for sources
+load-module module-rescue-streams
+
+### Make sure we always have a sink around, even if it is a null sink.
+load-module module-always-sink
+
+### Honour intended role device property
+load-module module-intended-roles
+
+### Automatically suspend sinks/sources that become idle for too long
+load-module module-suspend-on-idle
+
+### If autoexit on idle is enabled we want to make sure we only quit
+### when no local session needs us anymore.
+.ifexists module-console-kit.so
+load-module module-console-kit
+.endif
+.ifexists module-systemd-login.so
+load-module module-systemd-login
+.endif
+
+### Enable positioned event sounds
+load-module module-position-event-sounds
+
+### Cork music/video streams when a phone stream is active
+load-module module-role-cork
+
+### Modules to allow autoloading of filters (such as echo cancellation)
+### on demand. module-filter-heuristics tries to determine what filters
+### make sense, and module-filter-apply does the heavy-lifting of
+### loading modules and rerouting streams.
+load-module module-filter-heuristics
+load-module module-filter-apply
+
+### Make some devices default
+#set-default-sink output
+#set-default-source input
+set-default-source alsa_input.platform-soc_sound.seeed-source
+set-default-sink alsa_output.platform-soc_sound.seeed-sink
diff --git a/pulseaudio/pulse_config_2mic/seeed-voicecard.conf b/pulseaudio/pulse_config_2mic/seeed-voicecard.conf
new file mode 100644
index 0000000..a050002
--- /dev/null
+++ b/pulseaudio/pulse_config_2mic/seeed-voicecard.conf
@@ -0,0 +1,36 @@
+# /usr/share/pulseaudio/alsa-mixer/profile-sets/seeed-voiced.conf
+
+[General]
+auto-profiles = no
+[Mapping seeed-source]
+device-strings = hw:%f
+channel-map = front-left,front-right
+exact-channels = false
+fallback = yes
+paths-input = seeed-source
+priority = 3
+direction = input
+
+[Mapping seeed-sink]
+device-strings = hw:%f
+channel-map = front-left,front-right
+exact-channels = false
+fallback = yes
+paths-output = seeed-sink
+direction = output
+priority = 2
+
+[Profile output:seeed-sink+input:seeed-source]
+output-mappings = seeed-sink
+input-mappings = seeed-source
+priority = 100
+skip-probe = yes
+
+[Profile output:seeed-sink]
+output-mappings = seeed-sink
+priority = 4
+skip-probe = yes
+
+[Profile input:seeed-source]
+input-mappings = seeed-source
+priority = 5
--
2.20.1