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;;; pulse-audio.el --- Control audio with Elisp -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; Because everything in my configuration is turning into Elisp these days.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'string)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Constants
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defconst pulse-audio/step-size 5
"The size by which to increase or decrease the volume.")
(defconst pulse-audio/install-kbds? t
"When t, install keybindings defined herein.")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun pulse-audio/message (x)
"Output X to *Messages*."
(message (string/format "[pulse-audio.el] %s" x)))
(defun pulse-audio/toggle-mute ()
"Mute the default sink."
(interactive)
(start-process
"*pactl<pulse-audio/toggle-mute>*"
nil
"pactl"
"set-sink-mute"
"@DEFAULT_SINK@"
"toggle")
(pulse-audio/message "Mute toggled."))
(defun pulse-audio/toggle-microphone ()
"Mute the default sink."
(interactive)
(start-process
"*pactl<pulse-audio/toggle-mute>*"
nil
"pactl"
"set-source-mute"
"@DEFAULT_SOURCE@"
"toggle")
(pulse-audio/message "Microphone toggled."))
(defun pulse-audio/decrease-volume ()
"Low the volume output of the default sink."
(interactive)
(start-process
"*pactl<pulse-audio/toggle-mute>*"
nil
"pactl"
"set-sink-volume"
"@DEFAULT_SINK@"
(string/format "-%s%%" pulse-audio/step-size))
(pulse-audio/message "Volume decreased."))
(defun pulse-audio/increase-volume ()
"Raise the volume output of the default sink."
(interactive)
(start-process
"*pactl<pulse-audio/toggle-mute>*"
nil
"pactl"
"set-sink-volume"
"@DEFAULT_SINK@"
(string/format "+%s%%" pulse-audio/step-size))
(pulse-audio/message "Volume increased."))
(when pulse-audio/install-kbds?
(exwm-input-set-key
(kbd "<XF86AudioMute>") #'pulse-audio/toggle-mute)
(exwm-input-set-key
(kbd "<XF86AudioLowerVolume>") #'pulse-audio/decrease-volume)
(exwm-input-set-key
(kbd "<XF86AudioRaiseVolume>") #'pulse-audio/increase-volume)
(exwm-input-set-key
(kbd "<XF86AudioMicMute>") #'pulse-audio/toggle-microphone))
(provide 'pulse-audio)
;;; pulse-audio.el ends here
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