#!/bin/bash # Copyright (C) 2014 Julien Bonjean <julien@bonjean.info> # Copyright (C) 2014 Alexander Keller <github@nycroth.com> # This program 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. # This program 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 this program. If not, see <http://www.gnu.org/licenses/>. #------------------------------------------------------------------------ # The second parameter overrides the mixer selection # For PulseAudio users, use "pulse" # For Jack/Jack2 users, use "jackplug" # For ALSA users, you may use "default" for your primary card # or you may use hw:# where # is the number of the card desired MIXER="default" [ -n "$(lsmod | grep pulse)" ] && MIXER="pulse" [ -n "$(lsmod | grep jack)" ] && MIXER="jackplug" MIXER="${2:-$MIXER}" # The instance option sets the control to report and configure # This defaults to the first control of your selected mixer # For a list of the available, use `amixer -D $Your_Mixer scontrols` SCONTROL="${BLOCK_INSTANCE:-$(amixer -D $MIXER scontrols | sed -n "s/Simple mixer control '\([A-Za-z ]*\)',0/\1/p" | head -n1 )}" # The first parameter sets the step to change the volume by (and units to display) # This may be in in % or dB (eg. 5% or 3dB) STEP="${1:-5%}" #------------------------------------------------------------------------ capability() { # Return "Capture" if the device is a capture device amixer -D $MIXER get $SCONTROL | sed -n "s/ Capabilities:.*cvolume.*/Capture/p" } volume() { amixer -D $MIXER get $SCONTROL $(capability) } format() { TYPE="" TYPE_MUTE="" if [[ $SCONTROL = "Master" ]] then # TYPE_MUTE=" " # TYPE=" " TYPE="vol " TYPE_MUTE="vol " elif [[ $SCONTROL = "Capture" ]] then # TYPE_MUTE=" " # TYPE=" " TYPE="mic " TYPE_MUTE="mic " fi perl_filter='if (/.*\[(\d+%)\] (\[(-?\d+.\d+dB)\] )?\[(on|off)\]/)' perl_filter+='{CORE::say $4 eq "off" ? "' perl_filter+=$TYPE_MUTE perl_filter+=$([[ $STEP = *dB ]] && echo '$3' || echo '$1') perl_filter+='\n\n#f2777a" : "' perl_filter+=$TYPE # If dB was selected, print that instead perl_filter+=$([[ $STEP = *dB ]] && echo '$3' || echo '$1') perl_filter+='\n\n#99cc99"; exit}' perl -ne "$perl_filter" } #------------------------------------------------------------------------ case $BLOCK_BUTTON in 3) amixer -q -D $MIXER sset $SCONTROL $(capability) 1%+ ;; 1) amixer -q -D $MIXER sset $SCONTROL $(capability) 1%- ;; 2) amixer -q -D $MIXER sset $SCONTROL $(capability) toggle ;; # right click, mute/unmute 4) amixer -q -D $MIXER sset $SCONTROL $(capability) ${STEP}+ ;; # scroll up, increase 5) amixer -q -D $MIXER sset $SCONTROL $(capability) ${STEP}- ;; # scroll down, decrease esac volume | format