I've changed the MaxConnections setting and now I'm seeing something
different (this must mean I'm getting closer :)
I'm using the following config/comandline to play audio:
audio.conf:
[General]
SCORouting=PCM
[Headset]
HFP=False
MaxConnections=2
~/.asoundrc:
pcm.bluetooth {
type bluetooth
device 00:0B:2E:D5:27:DA
profile auto
}
pcm.bluetooth2 {
type bluetooth
device 00:0B:2E:D4:EC:31
profile auto
}
mplayer command lines:
mplayer -ao alsa:device=bluetooth test.wav
mplayer -ao alsa:device=bluetooth2 test.wav
Either execution of mplayer works properly as long as the other isn't
streaming to the device. If one is already running, mplayer reports the
following:
[AO_ALSA] alsa-lib: pcm_bluetooth.c:464:(bluetooth_hsp_hw_params)
BT_SETCONFIGURATION failed : Input/output error(5)
[AO_ALSA] Unable to set hw-parameters: Input/output error
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video
Exiting... (End of file)
Also, it seems that I'm losing the beginning of the sample in playback.
I assume this is due to the delay of setting up the connection to the
headset, but I was wondering if there was a way to avoid this.
Thanks,
-d
Johan Hedberg wrote:
> On Mon, Nov 03, 2008, deker wrote:
>
>> I am working on a project where it would be desirable to have audio
>> streams going to more than one SCO audio device at a time. My quick test
>> today of playing a WAV file with mplayer to two different devices didn't
>> work and bluetoothd was reporting "connection refused" when I tried to
>> get the second stream going. Once the first playback finished, I was
>> able to then play to the second device.
>>
>> So, I suppose m question is if BlueZ supports audio to multiple SCO
>> devices at the same time? If not, what might be involved in making it work?
>>
>
> If you're using BlueZ 4.17 or later you'll need to add something like
> MaxConnections=2
> to the [Headset] section in /etc/bluetooth/audio.conf to be able to
> create a service level connection to more than 1 device.
>
> Johan
>
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