;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Oleg Pykhalov ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix 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 General Public License ;;; along with GNU Guix. If not, see . (define-module (gnu services sound) #:use-module (gnu services base) #:use-module (gnu services configuration) #:use-module (gnu services shepherd) #:use-module (gnu services) #:use-module (gnu system shadow) #:use-module (guix gexp) #: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 alsa-service-type)) ;;; Commentary: ;;; ;;; Sound services. ;;; ;;; Code: ;;; ;;; ALSA ;;; (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 ;; Return the ALSA configuration file. (match-lambda (($ alsa-plugins pulseaudio? extra-options) (apply 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\" hint { show on description \"Default ALSA Output (currently PulseAudio Sound Server)\" } } ctl.!default { type pulse fallback \"sysdefault\" }\n\n") '()) ,extra-options))))) (define (alsa-etc-service config) (list `("asound.conf" ,(alsa-config-file config)))) (define alsa-service-type (service-type (name 'alsa) (extensions (list (service-extension etc-service-type alsa-etc-service))) (default-value (alsa-configuration)) (description "Configure low-level Linux sound support, ALSA."))) ;;; sound.scm ends here es.scm (system-services->configuration): Add heading above the 'packages' field. Rename 'heading' to 'service-heading'. Ludovic Courtès 2022-08-08installer: Add comments and vertical space to the generated config....Ludovic Courtès 2021-12-28installer: Offer 'gpm-service-type' for non-graphical systems....Leo Famulari 2021-12-28installer: Recommend 'ntp-service-type' for non-graphical systems....Leo Famulari 2021-06-30installer: Offer the CUPS printing service....Tobias Geerinckx-Rice 2021-06-23installer: Remove unused procedure....Tobias Geerinckx-Rice