headphones

#!/bin/sh

# headphones: connect/disconnect/setprofile to bluetooth headphones.

set -e

die() {
        echo "error:" "$@" >&2
        exit 1
}

if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
        echo "usage: headphones device [on|off|a2dp|hfp]"
        exit 0
elif [ -z "$1" ]; then
        die "device not provided"
elif ! echo "$1" | grep -q ':'; then
        die "$1: invalid device (should be a mac address)"
fi

device="$1"
bluezcard="bluez_card.$(echo "$device" | tr ':' '_')"
defaultprofile="a2dp_sink"
op="$2"

case "$op" in
"off")
        bluetoothctl disconnect "$device"
        ;;
"" | "on")
        bluetoothctl connect "$device"
        sleep 2 # give pulse audio time to detect and set default sink.
        pacmd set-card-profile "$bluezcard" "$defaultprofile"
        ;;
"a" | "a2" | "a2d" | "a2dp" | "a2dp_sink")
        # good audio quality for listening music.
        pacmd set-card-profile "$bluezcard" "a2dp_sink"
        ;;
"h" | "hsp" | "hfp" | "head" | "headset" | "headset_head_unit")
        # shitty audio quality, but allows to use microphone.
        pacmd set-card-profile "$bluezcard" "headset_head_unit"
        ;;
*)
        die "$op: unknown operation"
        ;;
esac

refreshbar