Fixing bluetooth headset problem in xubuntu 16.04.

a2dp

#!/bin/bash
# headset mac
mac="00:1D:DF:67:0A:29"
profile="a2dp"
# Special Bluetooth controller
btMac=""
# connect|disconnect wait time
waitTime=5

macId="${mac//:/_}"

declare -A profiles
profiles['a2dp']='a2dp_sink'
profiles['hsp']='headset_head_unit'
profiles['off']='off'

function btCmd() {
	cmd="$1\nquit"
	[ ! -z "$btMac" ] && cmd="select $btMac\n$cmd"
	echo -e "$cmd" | bluetoothctl
}
function setProfile() {
	cmd="pactl set-card-profile bluez_card.$macId ${profiles[$1]}"
	echo $cmd
	$cmd
}
function btWaitConnect() {
	conState=$1
	for ((i=1;i<=$waitTime;++i)); do
		tmp="`btCmd "info $mac"|grep 'Connected: '`"
		[ ! -z "`echo "$tmp"|grep $conState`" ] && echo "$tmp" && return 0
		sleep 1s
    done
    echo "$tmp"
    return 1
}
function btConnect() {
	tmp="`btCmd "trust $mac\nconnect $mac" | grep -v 'NEW\|DEL\| quit'`"
	echo "$tmp"
	
	tmp="`btWaitConnect yes`"
	echo $tmp
	[ -z "`echo "$tmp" | grep yes`" ] && echo -e "Device $mac:\n\tConnected: fail." && return 1
	sleep 2s
	return 0
}
function btDisConnect() {
	tmp="`btCmd "disconnect $mac" | grep -v 'NEW\|DEL\| quit'`"
	echo "$tmp"
	
	tmp="`btWaitConnect no`"
	echo $tmp
	[ -z "`echo "$tmp" | grep no`" ] && echo -e "Device $mac:\n\tdisconnected: fail." && return 1
	sleep 1s
	return 0	
}


# controller
echo ""
btCtls="`btCmd list | grep '^Controller' | grep " $btMac"`"
echo -e "controller:\n$btCtls"
[ -z "$btCtls" -o ! -z "`echo "$btCtls" | grep "not available"`" ] && exit 1


# connect -> set off
echo ""
tmp="`btCmd paired-devices | grep '^Device' | grep " $mac"`"
echo -e "paired-devices:\n$tmp"
[ `echo "$tmp" | wc -l` != 1 ] && echo "Please pair the Bluetooth headset first: $mac" && exit 1
btConnect || exit $?
setProfile off

# reconnect -> set profile
btDisConnect || exit $?
btConnect || exit $?
setProfile $profile
pactl set-default-sink "bluez_sink.$macId"

xubuntu 16.04.2
if you use blueman-manager：

1. connect -> set profile off
2. reconnect -> set profile a2dp
3. now your headset is ok!

python use: https://gist.github.com/pylover/d68be364adac5f946887b85e6ed6e7ae