Media Control

Media Control

[Vince Corning]

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Denis,

Access to AT Commands to merge or fork the GSM audio stream and access to
commands to open microphone and/or speakers would be very helpful.  AT
command access to set up sensors and request copy of sensor data would also
be helpful.

- Vince

On Wed, May 20, 2009 at 3:00 AM, <ofono-request@ofono.org> wrote:

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>   1. Call Control, Media Control, Documentation (Vince Corning)
>   2. Re: Call Control, Media Control, Documentation (Denis Kenzior)
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> Message: 1
> Date: Tue, 19 May 2009 12:45:34 +0800
> From: Vince Corning <mashplayr@gmail.com>
> To: ofono(a)ofono.org
> Subject: Call Control, Media Control, Documentation
> Message-ID:
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> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello from a newbie,
>
> I'm interested in finding out more about ofono's call control and media
> control capabilities.  From the high level diagram, it looks like call
> control is included, but what about media control (ex. record call, ASR,
> TTS, play music to call, open microphone, play music to speaker)
>
> Any pointer to documentation and supported hardware/os would be
> appreciated...
>
> Thanks,
>
> Vince
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> ------------------------------
>
> Message: 2
> Date: Tue, 19 May 2009 10:07:15 -0500
> From: Denis Kenzior <denkenz@gmail.com>
> To: ofono(a)ofono.org
> Subject: Re: Call Control, Media Control, Documentation
> Message-ID: <200905191007.16848.denkenz@gmail.com>
> Content-Type: Text/Plain;  charset="us-ascii"
>
> Hi Vince,
>
> On Monday 18 May 2009 23:45:34 Vince Corning wrote:
> > Hello from a newbie,
> >
> > I'm interested in finding out more about ofono's call control and media
> > control capabilities.  From the high level diagram, it looks like call
> > control is included, but what about media control (ex. record call, ASR,
> > TTS, play music to call, open microphone, play music to speaker)
>
> These parts are generally extremely specific to the particulars of the
> hardware.  Currently we're not planning to support any of the things you
> mentioned in the oFono D-Bus APIs.
>
> The encapsulation of audio driver/hardware/implementation should ideally be
> in
> another subsystem anyway.  Something like PulseAudio for instance.  Of
> course
> to support certain platforms we will need some way of integrating with the
> audio policy framework (e.g. sending vendor-specific at commands related to
> audio.)  We haven't really figured out the details here yet...
>
> >
> > Any pointer to documentation and supported hardware/os would be
> > appreciated...
>
> No hardware is officially supported yet.
>
> >
> > Thanks,
> >
> > Vince
>
> Regards,
> -Denis
>
>
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Re: Media Control

[Denis Kenzior]

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Hi Vince,

On Tuesday 19 May 2009 17:34:28 Vince Corning wrote:
> Denis,
>
> Access to AT Commands to merge or fork the GSM audio stream and access to
> commands to open microphone and/or speakers would be very helpful.  AT

Agreed, however, this will most likely be required only for certain platforms 
at the driver level rather than a high-level API exposed by oFono.  For proper 
high-level access you will have to use another framework.  For instance, in 
Moblin what you want will be accomplished with the help of AudioManager:
http://moblin.org/community/blogs/zbt/2009/audio-manager-overview

> command access to set up sensors and request copy of sensor data would also
> be helpful.

Again, I don't disagree.  But oFono does not aim to provide a proper high-
level API for this.  It belongs to framework(s) dedicated specifically to 
sensors & GPS information.  Where makes sense and can be generalized (e.g. GPS 
information) oFono will provide integration points for such frameworks.

Regards,
-Denis