Re: Bluetooth HSP and HFP support in pulseaudio

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On Tue, 2020-04-28 at 07:48 +0200, Georg Chini wrote:
> On 27.04.20 22:22, Pali Rohár wrote:
> > On Monday 27 April 2020 22:18:38 Georg Chini wrote:
> > > On 27.04.20 22:12, Pali Rohár wrote:
> > > > On Monday 27 April 2020 22:06:29 Georg Chini wrote:
> > > > > On 27.04.20 21:45, Georg Chini wrote:
> > > > > > On 27.04.20 01:44, Pali Rohár wrote:
> > > > > > > On Tuesday 31 March 2020 09:36:21 Georg Chini wrote:
> > > > > > > > One comment here: The hsphfpd should be able to co-exist with
> > > > > > > > ofono. ofono + PA currently is the only way you can use your mobile
> > > > > > > > on Linux and we should not break this (unless the hsphfpd supplies
> > > > > > > > the same functionality). So - similar to ofono - it should at least be
> > > > > > > > possible to switch off the corresponding role, so that ofono can be
> > > > > > > > used for one role and hsphfpd for the other.
> > > > > > > If you can disable HFP support in ofono, then hsphfpd and ofono can
> > > > > > > coexist in system.
> > > > > > > 
> > > > > > > But coexistence of two HSP AG or HFP AG applications in system is
> > > > > > > impossible due to master listening SCO socket.
> > > > > > That is exactly my point. But you can have one application handle the
> > > > > > AG role while the other handles the HS role. For ofono mainly the HS
> > > > > > role is interesting, for PA mainly the AG role. Removing ofono completly
> > > > > > makes mobiles unusable under linux. In ofono, you can switch off
> > > > > > the AG role.
> > > > > You would only need an option so that hsphfpd does not register the HS
> > > > > role with bluetoothd and would need to keep the corresponding bits of the
> > > > > ofono backend.
> > > > I can do this in hsphfpd daemon...
> > > > 
> > > > > That should not be much additional work and would not
> > > > > break the current use cases of the PA/ofono combination.
> > > > ... but I had to remove ofono backend from pulseaudio. Sorry it is
> > > > broken and I do not have power to fix ...
> > > The HS implementation is not broken but works very well.
> > My test results are different. (I spent more days with with this during
> > implementation of hsphfpd, integration into pulseaudio and
> > interoperability).
> > 
> It works well for me and for other people, so simply removing the 
> functionality
> is not an option in my opinion. If there are issues, they must be fixed, but
> that needs not be part of your patch set. Can you be a little bit more 
> specific
> what does not work?

Just to chime in on the ofono removal issue: I'm also of the opinion
that removing ofono support is not an option.

-- 
Tanu

https://www.patreon.com/tanuk
https://liberapay.com/tanuk

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