Date:   Wed, 9 Jan 2019 19:14:36 +0100
From:   Pali =?utf-8?B?Um9ow6Fy?= <pali.rohar@gmail.com>
To:     Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc:     Pasi =?utf-8?B?S8Okcmtrw6RpbmVu?= <pasik@iki.fi>,
        "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
Subject: Re: bluez: dbus method call for switching endpoint
Message-ID: <20190109181436.atlbhkqclpq3kcta@pali>
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On Wednesday 09 January 2019 19:03:40 Pali Roh=C3=A1r wrote:
> On Tuesday 08 January 2019 17:56:12 Pali Roh=C3=A1r wrote:
> > On Tuesday 08 January 2019 13:44:24 Luiz Augusto von Dentz wrote:
> > > > > Regarding the API I still didn't have time to start it, so it will
> > > > > take a little longer than I antecipated.
> > >=20
> > > Ive just sent the patches adding support to switch the endpoints, Ive
> > > only tested with a couple of sony headsets so I would appreciate if
> > > you guys could try it as well. Note that the SetConfiguration must
> > > come from the same D-Bus connection as the endpoint that would be
> > > used, also if there is already an stream in place it must also be from
> > > the same client since it would be terminated in the process, this is
> > > to prevent entities fighting to configure with its own priority though
> > > usually we only PA endpoints, if you want to bypass this just for now
> >=20
> > Great! Once patches would be ready I would look at my last A2DP
> > pulseaudio patches [1] and would try to implement switching, including
> > support for bi-directional FastStream codec -- which can benefit from
> > it.
> >=20
> > [1] - https://lists.freedesktop.org/archives/pulseaudio-discuss/2018-Ju=
ly/030344.html
>=20
> Hi! I applied your 6 patches from https://marc.info/?l=3Dlinux-bluetooth&=
r=3D1&b=3D201901&w=3D2
> but whatever I did I was not able to locate in dbus hierarchy list of
> A2DP codecs supported by device.
>=20
> I thought that somewhere in
>=20
> qdbus --system org.bluez /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX
>=20
> I found A2DP codec capabilities...
>=20
> So how to get list of all supported A2DP codecs for particular device?

Ah, I forgot to start bluetoothd with --experimental option. After that
I see sep*

/
/org
/org/bluez
/org/bluez/hci0
/org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX
/org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/sep1
/org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/sep3
/org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/sep5

and qdbus --system org.bluez /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX/sep1 org=
=2Efreedesktop.DBus.Properties.GetAll org.bluez.MediaEndpoint1
list them correctly.

--=20
Pali Roh=C3=A1r
pali.rohar@gmail.com

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