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switch_sound_output.sh
executable file
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switch_sound_output.sh
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set -a
MIXER=${MIXER:-""}
SCONTROL=${SCONTROL:-""}
if [[ -z "$MIXER" ]] ; then
MIXER="default"
if amixer -D pulse info >/dev/null 2>&1 ; then
MIXER="pulse"
fi
fi
if [[ -z "$SCONTROL" ]] ; then
SCONTROL=$(amixer -D "$MIXER" scontrols | sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" | head -n1)
fi
CAPABILITY=$(amixer -D $MIXER get $SCONTROL | sed -n "s/ Capabilities:.*cvolume.*/Capture/p")
function move_sinks_to_new_default {
DEFAULT_SINK=$1
pacmd list-sink-inputs | grep index: | grep -o '[0-9]\+' | while read SINK
do
pacmd move-sink-input $SINK $DEFAULT_SINK
done
}
function set_default_playback_device_next {
inc=${1:-1}
num_devices=$(pacmd list-sinks | grep -c index:)
sink_arr=($(pacmd list-sinks | grep index: | grep -o '[0-9]\+'))
default_sink_index=$(( $(pacmd list-sinks | grep index: | grep -no '*' | grep -o '^[0-9]\+') - 1 ))
default_sink_index=$(( ($default_sink_index + $num_devices + $inc) % $num_devices ))
default_sink=${sink_arr[$default_sink_index]}
pacmd set-default-sink $default_sink
move_sinks_to_new_default $default_sink
}
BLOCK_BUTTON=1
case "$BLOCK_BUTTON" in
1) set_default_playback_device_next ;;
2) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY toggle ;;
3) set_default_playback_device_next -1 ;;
4) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%+ ;;
5) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%- ;;
esac