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authorRicardo Wurmus <rekado@elephly.net>2019-10-29 15:07:25 +0100
committerRicardo Wurmus <rekado@elephly.net>2019-10-29 15:14:22 +0100
commit878e0e1bb0d15809c6582436d53498f3e6385524 (patch)
tree6a5f218aef256bd7ac7fce5c10417062b1cd0008 /gnu/services
parent7ff157c16cc74d367978170815313a37fc0fff93 (diff)
gnu: mpd-service-type: Support configuration of outputs.
* gnu/services/audio.scm (<mpd-output>): New record type. (<mpd-configuration>)[outputs]: New field. (mpd-output, mpd-output?, mpd-output->string): New procedures. (mpd-config->file): Use mpd-output->string. * doc/guix.texi (Audio Services): Document mpd-output fields.
Diffstat (limited to 'gnu/services')
-rw-r--r--gnu/services/audio.scm85
1 files changed, 68 insertions, 17 deletions
diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
index ebfe05abd0..471c5fd95f 100644
--- a/gnu/services/audio.scm
+++ b/gnu/services/audio.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
+;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -23,7 +24,9 @@
#:use-module (gnu packages mpd)
#:use-module (guix records)
#:use-module (ice-9 match)
- #:export (mpd-configuration
+ #:export (mpd-output
+ mpd-output?
+ mpd-configuration
mpd-configuration?
mpd-service-type))
@@ -33,6 +36,25 @@
;;;
;;; Code:
+(define-record-type* <mpd-output>
+ mpd-output make-mpd-output
+ mpd-output?
+ (type mpd-output-type
+ (default "pulse"))
+ (name mpd-output-name
+ (default "MPD"))
+ (enabled? mpd-output-enabled?
+ (default #t))
+ (tags? mpd-output-tags?
+ (default #t))
+ (always-on? mpd-output-always-on?
+ (default #f))
+ (mixer-type mpd-output-mixer-type
+ ;; valid: hardware, software, null, none
+ (default #f))
+ (extra-options mpd-output-extra-options
+ (default '())))
+
(define-record-type* <mpd-configuration>
mpd-configuration make-mpd-configuration
mpd-configuration?
@@ -51,27 +73,56 @@
(port mpd-configuration-port
(default "6600"))
(address mpd-configuration-address
- (default "any")))
+ (default "any"))
+ (outputs mpd-configuration-outputs
+ (default (list (mpd-output)))))
+
+(define (mpd-output->string output)
+ "Convert the OUTPUT of type <mpd-output> to a configuration file snippet."
+ (let ((extra (string-join
+ (map (match-lambda
+ ((key . value)
+ (format #f " ~a \"~a\""
+ (string-map
+ (lambda (c) (if (char=? c #\-) #\_ c))
+ (symbol->string key))
+ value)))
+ (mpd-output-extra-options output))
+ "\n")))
+ (format #f "\
+audio_output {
+ type \"~a\"
+ name \"~a\"
+~:[ enabled \"no\"~%~;~]\
+~:[ tags \"no\"~%~;~]\
+~:[~; always_on \"yes\"~%~]\
+~@[ mixer_type \"~a\"~%~]\
+~a~%}~%"
+ (mpd-output-type output)
+ (mpd-output-name output)
+ (mpd-output-enabled? output)
+ (mpd-output-tags? output)
+ (mpd-output-always-on? output)
+ (mpd-output-mixer-type output)
+ extra)))
(define (mpd-config->file config)
(apply
mixed-text-file "mpd.conf"
- "audio_output {\n"
- " type \"pulse\"\n"
- " name \"MPD\"\n"
- "}\n"
"pid_file \"" (mpd-file-name config "pid") "\"\n"
- (map (match-lambda
- ((config-name config-val)
- (string-append config-name " \"" (config-val config) "\"\n")))
- `(("user" ,mpd-configuration-user)
- ("music_directory" ,mpd-configuration-music-dir)
- ("playlist_directory" ,mpd-configuration-playlist-dir)
- ("db_file" ,mpd-configuration-db-file)
- ("state_file" ,mpd-configuration-state-file)
- ("sticker_file" ,mpd-configuration-sticker-file)
- ("port" ,mpd-configuration-port)
- ("bind_to_address" ,mpd-configuration-address)))))
+ (append (map mpd-output->string
+ (mpd-configuration-outputs config))
+ (map (match-lambda
+ ((config-name config-val)
+ (string-append config-name " \"" (config-val config) "\"\n")))
+ `(("user" ,mpd-configuration-user)
+ ("music_directory" ,mpd-configuration-music-dir)
+ ("playlist_directory" ,mpd-configuration-playlist-dir)
+ ("db_file" ,mpd-configuration-db-file)
+ ("state_file" ,mpd-configuration-state-file)
+ ("sticker_file" ,mpd-configuration-sticker-file)
+ ("port" ,mpd-configuration-port)
+ ("bind_to_address" ,mpd-configuration-address))))))
(define (mpd-file-name config file)
"Return a path in /var/run/mpd/ that is writable