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linux pulseaudio headphone speaker toggle switch
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#!/bin/bash | |
# see original thread discussion: | |
# http://ubuntuforums.org/showthread.php?t=1370383 | |
declare -i sinks=(`pacmd list-sinks | sed -n -e 's/\**[[:space:]]index:[[:space:]]\([[:digit:]]\)/\1/p'`) | |
declare -i sinks_count=${#sinks[*]} | |
declare -i active_sink_index=`pacmd list-sinks | sed -n -e 's/\*[[:space:]]index:[[:space:]]\([[:digit:]]\)/\1/p'` | |
declare -i next_sink_index=${sinks[0]} | |
#find the next sink (not always the next index number) | |
declare -i ord=0 | |
while [ $ord -lt $sinks_count ]; | |
do | |
echo ${sinks[$ord]} | |
if [ ${sinks[$ord]} -gt $active_sink_index ] ; then | |
next_sink_index=${sinks[$ord]} | |
break | |
fi | |
let ord++ | |
done | |
#change the default sink | |
pacmd "set-default-sink ${next_sink_index}" | |
#move all inputs to the new sink | |
for app in $(pacmd list-sink-inputs | sed -n -e 's/index:[[:space:]]\([[:digit:]]\)/\1/p'); | |
do | |
pacmd "move-sink-input $app $next_sink_index" | |
done | |
#display notification | |
declare -i ndx=0 | |
pacmd list-sinks | sed -n -e 's/device.description[[:space:]]=[[:space:]]"\(.*\)"/\1/p' | while read line; | |
do | |
if [ $(( $ord % $sinks_count )) -eq $ndx ] ; then | |
notify-send -i notification-audio-volume-high --hint=string:x-canonical-private-synchronous: "Sound output switched to" "$line" | |
exit | |
fi | |
let ndx++ | |
done; |
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