diff options
Diffstat (limited to 'scripts/i3blocks/volume')
| -rwxr-xr-x | scripts/i3blocks/volume | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/scripts/i3blocks/volume b/scripts/i3blocks/volume index a55db88..3b2a7f4 100755 --- a/scripts/i3blocks/volume +++ b/scripts/i3blocks/volume @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash # Copyright (C) 2014 Julien Bonjean <julien@bonjean.info> # Copyright (C) 2014 Alexander Keller <github@nycroth.com> @@ -18,26 +18,37 @@ #------------------------------------------------------------------------ # The second parameter overrides the mixer selection -# For PulseAudio users, use "pulse" +# For PulseAudio users, eventually 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}" +if [[ -z "$MIXER" ]] ; then + MIXER="default" + if command -v pulseaudio >/dev/null 2>&1 && pulseaudio --check ; then + # pulseaudio is running, but not all installations use "pulse" + if amixer -D pulse info >/dev/null 2>&1 ; then + MIXER="pulse" + fi + fi + [ -n "$(lsmod | grep jack)" ] && MIXER="jackplug" + MIXER="${2:-$MIXER}" +fi # 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 - )}" +if [[ -z "$SCONTROL" ]] ; then + SCONTROL="${BLOCK_INSTANCE:-$(amixer -D $MIXER scontrols | + sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" | + head -n1 + )}" +fi # 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="${1:-5%}" +if [[ -z "$STEP" ]] ; then + STEP="${1:-5%}" +fi #------------------------------------------------------------------------ @@ -51,12 +62,14 @@ volume() { } format() { + perl_filter='if (/.*\[(\d+%)\] (\[(-?\d+.\d+dB)\] )?\[(on|off)\]/)' perl_filter+='{CORE::say $4 eq "off" ? "MUTE" : "' # If dB was selected, print that instead perl_filter+=$([[ $STEP = *dB ]] && echo '$3' || echo '$1') perl_filter+='"; exit}' - perl -ne "$perl_filter" + output=$(perl -ne "$perl_filter") + echo "$LABEL$output" } #------------------------------------------------------------------------ |