Bluetooth Setup on headless RPI

Sources:

• GUIDE: Volumio Bluetooth receiver
• Headless A2DP Audio Streaming on Raspbian Stretch

Dependencies:

• libfdk-aac.git
• bluez-alsa

Install libfdk-aac

git clone https://github.com/mstorsjo/fdk-aac.git
cd fdk-aac
./configure
make -j4 
# sudo make install

Install bluez-alsa

git clone https://github.com/Arkq/bluez-alsa.git
cd bluez-alsa
git checkout v1.4.0
autoreconf --install
mkdir build && cd build

# if u intend to stream audio from a linux distribution 
# (e.g. using pulse audio) disable payloadcheck
../configure --enable-aac --disable-payloadcheck
make 
sudo make install

Install files

1. copy files

sudo cp -v bluetooth/* /etc/bluetooth/
sudo cp -v services/* /etc/systemd/system/
sudo cp -v bin/* /usr/local/bin

2. Edit /lib/systemd/system/bluetooth.service and append to ExecStart: --noplugin=sap

3. Enable systemd services

sudo systemctl daemon-reload
sudo systemctl restart bluetooth.service

sudo systemctl enable bluealsa.service
sudo systemctl enable bluealsa-a2dp-playback.service
sudo systemctl enable bluetooth-a2dp-agent.service

sudo systemctl start bluealsa.service
sudo systemctl start bluealsa-a2dp-playback.service
sudo systemctl start bluetooth-a2dp-agent.service

4. Start bluetooth: sudo bluetoothctl. Enter:

power on
discoverable on

Notes

If you have multiple sound cards installed (e.g. hifiberry) you need to speciy which one is used. Use aplay -l to identify number of card. Afterwards specify default card for aplay in /etc/asound.conf:

pcm.!default  {
 type hw card 1
}
ctl.!default {
 type hw card 1
}