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Prefer start-process to shell-command for pulse-audio module

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Continuing the series of easy-win commits that increase the speed of commands
that I was previously using `shell-command` to run by using `start-process`
instead.
This commit is contained in:
William Carroll 2019-12-23 12:19:59 +00:00
parent 7ec4dca723
commit 15d889fa0e
1 changed files with 49 additions and 13 deletions
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62
configs/shared/.emacs.d/wpc/pulse-audio.el
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@ -6,10 +6,19 @@
;;; 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.")
@ -17,38 +26,65 @@
;; 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)
(shell-command "pactl set-sink-mute @DEFAULT_SINK@ toggle")
(message (string/format "[pulse-audio.el] Mute toggled.")))
(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)
(shell-command "pactl set-source-mute @DEFAULT_SOURCE@ toggle")
(message (string/format "[pulse-audio.el] Microphone toggled.")))
(start-process
"*pactl<pulse-audio/toggle-mute>*"
nil
"pactl"
"set-source-mute"
"@DEFAULT_SOURCE@"
"toggle")
(pulse-audio/message "Microphone toggled."))
(defun pulse-audio/lower-volume ()
(defun pulse-audio/decrease-volume ()
"Low the volume output of the default sink."
(interactive)
(shell-command "pactl set-sink-volume @DEFAULT_SINK@ -10%")
(message (string/format "[pulse-audio.el] Volume lowered.")))
(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/raise-volume ()
(defun pulse-audio/increase-volume ()
"Raise the volume output of the default sink."
(interactive)
(shell-command "pactl set-sink-volume @DEFAULT_SINK@ +10%")
(message (string/format "[pulse-audio.el] Volume raised.")))
(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/lower-volume)
(kbd "<XF86AudioLowerVolume>") #'pulse-audio/decrease-volume)
(exwm-input-set-key
(kbd "<XF86AudioRaiseVolume>") #'pulse-audio/raise-volume)
(kbd "<XF86AudioRaiseVolume>") #'pulse-audio/increase-volume)
(exwm-input-set-key
(kbd "<XF86AudioMicMute>") #'pulse-audio/toggle-microphone))