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kellanstec

Member

Registered: 2012-12-24

Posts: 2

Dual A2DP audio sink using Bluetooth and Pulseaudio

Hello,

I have been struggling trying to figure this out, and from what I can tell, I am the first person to try it.

I have two of these, and I would like to pair both of them simultaneously, and use pulseaudio's simultaneous output to play audio to all three sources at once (one local sound card, and the two remote Bluetooth receivers via A2DP).

I have it working perfectly with one receiver at a time, and it works as I expect, but I can't pair them both at the same time. I don't even know if something like this is possible with A2DP, because I have come up empty on Google.

When I pair the second receiver, I see this in syslog:

Dec 24 15:35:24 localhost bluetoothd[3933]: Unable to select SEP

Here is my /etc/bluetooth/audio.conf

# Configuration file for the audio service

# This section contains options which are not specific to any
# particular interface
[General]

# Switch to master role for incoming connections (defaults to true)
#Master=true

# If we want to disable support for specific services
# Defaults to supporting all implemented services
#Disable=Gateway,Source,Socket
Enable=Gateway,Source

# SCO routing. Either PCM or HCI (in which case audio is routed to/from ALSA)
# Defaults to HCI
#SCORouting=PCM

# Automatically connect both A2DP and HFP/HSP profiles for incoming
# connections. Some headsets that support both profiles will only connect the
# other one automatically so the default setting of true is usually a good
# idea.
AutoConnect=true

# Headset interface specific options (i.e. options which affect how the audio
# service interacts with remote headset devices)
[Headset]

# Set to true to support HFP, false means only HSP is supported
# Defaults to true
HFP=true

# Maximum number of connected HSP/HFP devices per adapter. Defaults to 1
MaxConnected=2

# Set to true to enable use of fast connectable mode (faster page scanning)
# for HFP when incoming call starts. Default settings are restored after
# call is answered or rejected. Page scan interval is much shorter and page
# scan type changed to interlaced. Such allows faster connection initiated
# by a headset.
FastConnectable=false

# Just an example of potential config options for the other interfaces
[A2DP]
#SBCSources=1
#MPEG12Sources=0

Again, everything works fine except I can't pair both BT receivers at the same time.