From 22186e76d991a47e7057d1abe23af02b52f8153b Mon Sep 17 00:00:00 2001
From: Oleg Pykhalov
Date: Sun, 24 Jun 2018 13:18:53 +0300
Subject: [PATCH] services: sound: Properly handle alsa-plugins.
* gnu/services/sound.scm ()[alsa-plugins]: New field.
(alsa-config-file): Add this.
* doc/guix.texi (Sound Services): Document this.
---
doc/guix.texi | 3 +++
gnu/services/sound.scm | 31 +++++++++++++++++++++++--------
2 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 74c10e4bb..e5366ac6b 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -13152,6 +13152,9 @@ See below for details about @code{alsa-configuration}.
Data type representing the configuration for @code{alsa-service}.
@table @asis
address@hidden @code{alsa-plugins} (default: @var{alsa-plugins})
address@hidden package to use.
+
@item @code{pulseaudio?} (default: @var{#t})
Whether ALSA applications should transparently be made to use the
@uref{http://www.pulseaudio.org/, PulseAudio} sound server.
diff --git a/gnu/services/sound.scm b/gnu/services/sound.scm
index 5fe555e8b..2b2cabd7b 100644
--- a/gnu/services/sound.scm
+++ b/gnu/services/sound.scm
@@ -26,6 +26,7 @@
#:use-module (guix packages)
#:use-module (guix records)
#:use-module (guix store)
+ #:use-module (gnu packages linux)
#:use-module (gnu packages pulseaudio)
#:use-module (ice-9 match)
#:export (alsa-configuration
@@ -44,17 +45,31 @@
(define-record-type*
alsa-configuration make-alsa-configuration alsa-configuration?
+ (alsa-plugins alsa-configuration-alsa-plugins ;
+ (default alsa-plugins))
(pulseaudio? alsa-configuration-pulseaudio? ;boolean
(default #t))
(extra-options alsa-configuration-extra-options ;string
(default "")))
-(define (alsa-config-file config)
- "Return the ALSA configuration file corresponding to CONFIG."
- (plain-file "asound.conf"
- (string-append "# Generated by 'alsa-service'.\n\n"
- (if (alsa-configuration-pulseaudio? config)
- "# Use PulseAudio by default
+(define alsa-config-file
+ ;; Return the ALSA configuration file.
+ (match-lambda
+ (($ alsa-plugins pulseaudio? extra-options)
+ (mixed-text-file "asound.conf"
+ "# Generated by 'alsa-service'.\n\n"
+ ;; if pulseaudio?
+ "# Use PulseAudio by default
+pcm_type.pulse {
+ lib " #~(string-append #$alsa-plugins:pulseaudio
+ "/lib/alsa-lib/libasound_module_pcm_pulse.so") "
+}
+
+ctl_type.pulse {
+ lib " #~(string-append #$alsa-plugins:pulseaudio
+ "/lib/alsa-lib/libasound_module_ctl_pulse.so") "
+}
+
pcm.!default {
type pulse
fallback \"sysdefault\"
@@ -69,8 +84,8 @@ ctl.!default {
fallback \"sysdefault\"
}
"
- "")
- (alsa-configuration-extra-options config))))
+ ""
+ extra-options))))
(define (alsa-etc-service config)
(list `("asound.conf" ,(alsa-config-file config))))
--
2.17.1