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From: "Pali Rohár" <pali.rohar@gmail.com>
To: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
Subject: Re: bluez: Export SDP "Remote audio volume control" item for HSP profile
Date: Fri, 13 Dec 2019 00:03:14 +0100	[thread overview]
Message-ID: <20191212230314.g5gt6rxkphzpwucd@pali> (raw)
In-Reply-To: <CABBYNZKCovNDcAaMMeYZgKAAq-8oz+pcs6xmS3A_Qt-28aoEbQ@mail.gmail.com>

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On Thursday 12 December 2019 21:42:27 Luiz Augusto von Dentz wrote:
> Hi Pali,
> 
> On Thu, Dec 12, 2019 at 7:31 PM Pali Rohár <pali.rohar@gmail.com> wrote:
> >
> > Hello!
> >
> > According to HSP 1.2 specification, section 4.7 Remote Audio Volume
> > Control, Support for remote audio volume control is optional, so an
> > implementation may support none, either, or both of the controls for
> > microphone volume and speaker volume.
> >
> > According to HSP 1.2 specification, section 5.3 SDP Interoperability
> > Requirements, bluetooth device with HSP profile announce via SDP "Remote
> > audio volume control" field information if device itself supports volume
> > control.
> >
> > But currently I did not found any way how to access "Remote audio volume
> > control" SDP field in (pulseaudio) application as bluez does not export
> > it.
> >
> > Can you please export this field? E.g. for HFP profile all optional
> > features from SDP are passed to NewConnection() DBus method via
> > fd_properties dictionary under Features key. Could you export that
> > "Remote audio volume control" bit for HSP profile in Features key?
> >
> > And in same way, this needs to be handled also in RegisterProfile() DBus
> > method.
> 
> Do you have a use case in mind?

Yes, checking in pulseaudio if remote side announce that supports remote
volume control or not. And based on this switch to software volume
level.

-- 
Pali Rohár
pali.rohar@gmail.com

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  reply	other threads:[~2019-12-12 23:03 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-12 17:29 bluez: Export SDP "Remote audio volume control" item for HSP profile Pali Rohár
2019-12-12 19:42 ` Luiz Augusto von Dentz
2019-12-12 23:03   ` Pali Rohár [this message]
2020-02-09 13:02     ` Pali Rohár
2020-03-20 13:01       ` Pali Rohár
2020-03-20 17:48         ` Luiz Augusto von Dentz
2020-03-21 18:40           ` Pali Rohár
2020-03-21 19:54             ` Pali Rohár
2020-04-13 16:25               ` [PATCH 0/3] " Pali Rohár
2020-04-13 16:25                 ` [PATCH 1/3] src/profile: Distinguish between zero-set HFP AG features and unset HFP AG features Pali Rohár
2020-04-13 16:44                   ` Luiz Augusto von Dentz
2020-04-13 16:52                     ` Pali Rohár
2020-04-13 16:58                       ` Luiz Augusto von Dentz
2020-04-13 17:17                         ` Pali Rohár
2020-04-13 17:47                           ` Luiz Augusto von Dentz
2020-04-13 17:58                             ` Pali Rohár
2020-04-13 19:41                               ` Luiz Augusto von Dentz
2020-04-13 19:51                                 ` Pali Rohár
2020-04-13 20:24                                   ` Luiz Augusto von Dentz
2020-04-13 20:42                                     ` Pali Rohár
2020-04-13 21:07                                       ` Luiz Augusto von Dentz
2020-04-13 22:26                                         ` Pali Rohár
2020-04-13 16:25                 ` [PATCH 2/3] src/profile: Export Remote Audio Volume Control SDP value for HSP HS role via first bit in features value Pali Rohár
2020-04-13 16:25                 ` [PATCH 3/3] src/profile: Add default SDP record for Headset role of HSP 1.2 profile with Erratum 3507 Pali Rohár
2020-04-13 16:51                   ` Luiz Augusto von Dentz
2020-04-14  0:09                 ` [PATCH 0/3] bluez: Export SDP "Remote audio volume control" item for HSP profile Luiz Augusto von Dentz
2020-04-14  8:09                   ` Pali Rohár
2020-04-14 19:53                   ` Pali Rohár
2020-04-14 20:28                     ` Luiz Augusto von Dentz
2020-04-14 20:46                       ` [PATCH] doc: Update documentation for HSP and HFP profiles Pali Rohár
2020-04-14 21:03                         ` Luiz Augusto von Dentz

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