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services: Add pulseaudio-configuration.

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* gnu/services/sound (<pulseaudio-configuration>): New record.
(pulseaudio-etc): New procedure.
(pulseaudio-environment): Add PULSE_CONFIG and PULSE_CLIENTCONFIG.
(pulseaudio-service-type): Update accordingly.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>
This commit is contained in:
Leo Prikler 2020-01-10 02:48:19 +01:00 committed by Marius Bakke
parent 2c7511fb66
commit f547426200
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1 changed files with 46 additions and 4 deletions
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50
gnu/services/sound.scm
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@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018, 2020 Oleg Pykhalov <go.wigust@gmail.com>
;;; Copyright © 2020 Leo Prikler <leo.prikler@student.tugraz.at>
;;;
;;; This file is part of GNU Guix.
;;;
@ -34,6 +35,7 @@ (define-module (gnu services sound)
#:export (alsa-configuration
alsa-service-type
pulseaudio-configuration
pulseaudio-service-type))
;;; Commentary:
@ -106,19 +108,59 @@ (define alsa-service-type
;;; PulseAudio
;;;
(define-record-type* <pulseaudio-configuration>
pulseaudio-configuration make-pulseaudio-configuration
pulseaudio-configuration?
(client-conf pulseaudio-client-conf
(default '()))
(daemon-conf pulseaudio-daemon-conf
(default '()))
(script-file pulseaudio-script-file
(default (file-append pulseaudio "/etc/pulse/default.pa")))
(system-script-file pulseaudio-system-script-file
(default
(file-append pulseaudio "/etc/pulse/system.pa"))))
(define (pulseaudio-environment config)
;; Define this variable in the global environment such that
;; pulseaudio swh-plugins works.
`(("LADSPA_PATH"
. ,(file-append swh-plugins "/lib/ladspa"))))
`(("LADSPA_PATH" . ,(file-append swh-plugins "/lib/ladspa"))
;; Define these variables, so that pulseaudio honors /etc.
("PULSE_CONFIG" . "/etc/pulse/daemon.conf")
("PULSE_CLIENTCONFIG" . "/etc/pulse/client.conf")))
(define (pulseaudio-conf-entry arg)
(match arg
((key . value)
(format #f "~a = ~s~%" key value))
((? string? _)
(string-append arg "\n"))))
(define pulseaudio-etc
(match-lambda
(($ <pulseaudio-configuration> client-conf daemon-conf
default-script-file system-script-file)
`(("pulse"
,(file-union
"pulse"
`(("client.conf"
,(apply mixed-text-file "client.conf"
(map pulseaudio-conf-entry client-conf)))
("daemon.conf"
,(apply mixed-text-file "daemon.conf"
"default-script-file = " default-script-file "\n"
(map pulseaudio-conf-entry daemon-conf)))
("default.pa" ,default-script-file)
("system.pa" ,system-script-file))))))))
(define pulseaudio-service-type
(service-type
(name 'pulseaudio)
(extensions
(list (service-extension session-environment-service-type
pulseaudio-environment)))
(default-value #f)
pulseaudio-environment)
(service-extension etc-service-type pulseaudio-etc)))
(default-value (pulseaudio-configuration))
(description "Configure PulseAudio sound support.")))
;;; sound.scm ends here