[pulseaudio-discuss] Using mutiple bluetooth headsets at the same time

Luiz Augusto von Dentz luiz.dentz at gmail.com
Mon Jun 4 09:55:37 PDT 2012

Hi Jess,

On Sun, Jun 3, 2012 at 7:17 AM, Jess Haas <pa at jesshaas.com> wrote:
> I am wanting to stream to multiple bluetooth headsets at the same time
> using the a2dp profile. One headset works great but I can't seem to get
> a second one to work. It does not appear to be a purely pulseaudio
> problem as I can't get it to work using just alsa either but I thought
> someone here might be able to help. Any ideas?
> Using mplayer and alsa as a test If I specify one headset it works fine
> but when I then try to start something else playing on the other it
> fails with:
> [AO_ALSA] alsa-lib: audio/pcm_bluetooth.c:1614:(audioservice_expect)
> BT_OPEN failed : Invalid argument(22)
> [AO_ALSA] Unable to set hw-parameters: Invalid argument

To get this to work you need more endpoint, currently PA only register
one but once you got it in use it cannot be reused. We have some plans
to have the endpoints as modules so you could add mode via
configuration, but right now it is hardcoded.

Luiz Augusto von Dentz

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