Cleaned up the script a little more. Switched over to a case statement
from the if/elif, moved some variables to the top and got rid of another
useless cat.
I'm still a little surprised at how well this is working. I only have
one bluetooth device though (a VModa headset which is really nice BTW),
I'd like to test with more devices.
Code:
--------------------
#!/bin/sh
lcard=15000
lbt=15000
lstep=1500
btplayer="bluetooth-player"
btspeaker="bluetooth-speaker"
btsync="bluetooth-sync"
rssi="-60"
__start_cards()
{
if [ $1 ]
then
lcard=$1
fi
for card in $(cut -d' ' -f3 /proc/asound/cards | tr -d '[' | grep -v Loopback
| tr -s '\n')
do
for i in $(seq 0 7)
do
if ! ps | grep -q "[L]oopback,1,${i}"
then
break
fi
done
alsaloop -d -C hw:Loopback,1,${i} -P "hw:${card},0" -S5 -l ${lcard}
done
}
__watch_bluetooth()
{
while :
do
if inotifywait -qq -r -e create /dev/input/
then
pdevs=$(bluetoothctl paired-devices | cut -d' ' -f2)
for pdev in ${pdevs}
do
if bluetoothctl info "${pdev}" | tr -d '\n' | grep -Eq 'Connected: yes.*Audio
Sink'
then
if ! ps | grep "[D]EV=${pdev}"
then
for i in $(seq 0 7)
do
if ! ps | grep -q "[L]oopback,1,${i}"
then
break
fi
done
alsaloop -d -C hw:Loopback,1,${i} -P
bluealsa:SRV=org.bluealsa,DEV=${pdev},PROFILE=a2dp -S5 -l ${lbt}
fi
fi
done
fi
done
}
if [ "$1" = "boot" ]
then
bluetoothctl discoverable off
bluealsa-aplay 00:00:00:00:00:00 &
__start_cards
__watch_bluetooth
elif [ $1 -eq 0 ]
then
exit
fi
uptime=$(cut -d'.' -f1 /proc/uptime)
if [ ${uptime} -le 60 ]
then
exit
fi
lmsip=$(netstat -tn | grep 3483 | tr -s ' ' | cut -d' ' -f5 | cut -d ':' -f1)
iface=$(arp -an | grep ${lmsip} | tr -s ' ' | cut -d' ' -f7)
read mac < /sys/class/net/${iface}/address
post=$(cat <<END_HEREDOC
POST /jsonrpc.js HTTP/1.1
HOST: ${lmsip}:9000
Content-Type: application/json; charset=utf-8
Content-Length: 77
{"id":1,"method":"slim.request","params":["${mac}",["title","?"]]}
END_HEREDOC
)
response=$( (echo -e "${post}"; sleep .2) | nc ${lmsip} 9000 | grep -o
'\w*bluetooth-\w*' )
i=0
case "${response}" in
"${btplayer}" )
bluetoothctl discoverable on
prepair=$(bluetoothctl paired-devices | cut -d' ' -f2)
while [ $i -le 30 ]
do
sleep 2
newpair=$(bluetoothctl paired-devices | cut -d' ' -f2)
newdev=$(printf "${prepair}\n${newpair}\n" | sort | uniq -u)
if [ "${newdev}" ]
then
bluetoothctl trust ${newdev}
bluetoothctl connect ${newdev}
break
fi
i=$(( $i +1 ))
done
bluetoothctl discoverable off ;;
"${btspeaker}" )
prescan=$(bluetoothctl devices)
while [ $i -le 6 ]
do
(printf "scan.rssi ${rssi}\nscan on\n"; sleep 5) | bluetoothctl
sleep .2
newscan=$(bluetoothctl devices)
newdev=$(printf "${prescan}\n${newscan}\n" | sort | uniq -u | cut -d' ' -f2)
if [ "${newdev}" ]
then
bluetoothctl pair ${newdev}
bluetoothctl trust ${newdev}
bluetoothctl connect ${newdev}
break
fi
i=$(( $i +1 ))
done ;;
"${btsync}" )
lcardtmp=$(pgrep -fa hw:Loopback | grep -m1 -v bluealsa | rev | cut -d' ' -f1
| rev)
lcard=$(( ${lcardtmp} + ${lstep} ))
pids=$(pgrep -fa hw:Loopback | grep -v bluealsa | cut -d' ' -f1 | tr '\n' ' ')
kill ${pids}
__start_cards ${lcard} ;;
esac
--------------------
------------------------------------------------------------------------
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