Script to toggle sound output devices

change_sound.sh

#!/usr/bin/bash

OUTPUTDEV=`cat ~/.bin/sound_device`
INPUTS=($(pacmd list-sink-inputs | grep index | awk '{print $2}'))

if [ $OUTPUTDEV = "Speakers" ]
then
    # Persist the changes in our file
    OUTPUTDEV="Headset"
    echo $OUTPUTDEV > ~/.bin/sound_device

    # Set the default mode for the card we're switching to
    pactl set-card-profile 1 output:analog-stereo

    # Set the default sink for all new streams to our headset
    pactl set-default-sink alsa_output.usb-Plantronics_Plantronics_HD1-00.analog-stereo

    # Move all current streams to the headset
    for i in ${INPUTS[*]}; do pacmd move-sink-input $i alsa_output.usb-Plantronics_Plantronics_HD1-00.analog-stereo &> /dev/null; done
else
    # We're changing back to line out speakers now
    OUTPUTDEV="Speakers"
    echo $OUTPUTDEV > ~/.bin/sound_device

    # Mark sure the card is in surround sound mode
    pactl set-card-profile 2 output:analog-surround-51

    # All future streams are to come through the line out
    pactl set-default-sink alsa_output.pci-0000_00_1b.0.analog-surround-51

    # Move all current streams to the speakers
    for i in ${INPUTS[*]}; do pacmd move-sink-input $i alsa_output.pci-0000_00_1b.0.analog-surround-51 &> /dev/null; done
fi

# Show a notification on GNOME so I know what happened
notify-send 'Audio Changed' "Audio has been changed to $OUTPUTDEV" --icon=dialog-information