From 07bb69d52c23752149d99d1e3d090f7e58f47385 Mon Sep 17 00:00:00 2001 From: Maxim Cournoyer Date: Thu, 27 Apr 2023 16:10:20 -0400 Subject: services: mpd: Auto-detect mpd-output mixer type by default. Relates to . * gnu/services/audio.scm (mpd-output) [mixer-type]: Change default value from "none" to unspecified. * doc/guix.texi (Audio Services): Regenerate doc. --- doc/guix.texi | 11 +++++++---- gnu/services/audio.scm | 15 +++++++++------ 2 files changed, 16 insertions(+), 10 deletions(-) diff --git a/doc/guix.texi b/doc/guix.texi index 7df9a6b8a2..67928d290d 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -34417,8 +34417,9 @@ Partitions} for available options. @end table @end deftp +@c %start of fragment @deftp {Data Type} mpd-output -Data type representing a @command{mpd} audio output. +Available @code{mpd-output} fields are: @table @asis @item @code{name} (default: @code{"MPD"}) (type: string) @@ -34445,15 +34446,16 @@ is only useful for output plugins that can receive tags, for example the @item @code{always-on?} (default: @code{#f}) (type: boolean) If set to @code{#t}, then MPD attempts to keep this audio output always -open. This may be useful for streaming servers, when you don?t want to +open. This may be useful for streaming servers, when you don’t want to disconnect all listeners even when playback is accidentally stopped. -@item @code{mixer-type} (default: @code{"none"}) (type: string) +@item @code{mixer-type} (type: maybe-string) This field accepts a string that specifies which mixer should be used for this audio output: the @code{hardware} mixer, the @code{software} mixer, the @code{null} mixer (allows setting the volume, but with no effect; this can be used as a trick to implement an external mixer -External Mixer) or no mixer (@code{none}). +External Mixer) or no mixer (@code{none}). When left unspecified, a +@code{hardware} mixer is used for devices that support it. @item @code{replay-gain-handler} (type: maybe-string) This field accepts a string that specifies how @@ -34468,6 +34470,7 @@ appended to the audio output configuration. @end table @end deftp +@c %end of fragment The following example shows a configuration of @command{mpd} that configures some of its plugins and provides a HTTP audio streaming output. diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm index 540b12d4c3..3083090ad0 100644 --- a/gnu/services/audio.scm +++ b/gnu/services/audio.scm @@ -362,15 +362,18 @@ open. This may be useful for streaming servers, when you don’t want to disconnect all listeners even when playback is accidentally stopped.") (mixer-type - (string "none") - "This field accepts a string that specifies which mixer should be used -for this audio output: the @code{hardware} mixer, the @code{software} -mixer, the @code{null} mixer (allows setting the volume, but with no -effect; this can be used as a trick to implement an external mixer -External Mixer) or no mixer (@code{none})." + maybe-string + "This field accepts a string that specifies which mixer should be used for +this audio output: the @code{hardware} mixer, the @code{software} mixer, the +@code{null} mixer (allows setting the volume, but with no effect; this can be +used as a trick to implement an external mixer External Mixer) or no +mixer (@code{none}). When left unspecified, a @code{hardware} mixer is used +for devices that support it." (sanitizer (lambda (x) ; TODO: deprecated, remove me later. (cond + ((eq? %unset-value x) + x) ((symbol? x) (warning (G_ "symbol value for 'mixer-type' is deprecated, \ use string instead~%")) -- cgit 1.4.1