[maemo-developers] Audio Routing API

[From: Chitti Babu]

Hi Saurabh,
Were n't you using Telepathy for your VOIP application ? I think farsight (StreamedMedia plugin on gstreamer) handles all such intricacies.

If your application is SIP based, you can just use telepathy-sofiasip as your backend.

Regards,
Chitti 

--- On Sun, 5/2/10, maemo-developers-request at maemo.org <maemo-developers-request at maemo.org> wrote:

Message: 8
Date: Sun, 2 May 2010 08:43:04 +0530
From: saurabh aggarwal <aggarwal.saurabh at gmail.com>
Subject: Re: Audio Routing API
To: Martin Grimme <martin.grimme at gmail.com>
Cc: maemo-developers at maemo.org
Message-ID:
    <l2le3a9904f1005012013q167658ccre8a0d368ff6b352e at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Thanks Martin, I have a feeling that I should be able to set those flags in
alsa using the gstreamer APIs and pulsesink.

The pulsesink object does accept a propllist, and using pactl if you look at
the pulsesink, there seem to be properties that should be able to switch
between headset and speaker. Like x-maemo.mode which seems to be IHF or HP
depending on whether pulsesink is in headset or speaker mode.

I have been trying to use these flags, but haven't been able to do so till
now. If someone can help here, that would be great.

-Saurabh

On Sat, May 1, 2010 at 3:46 AM, Martin Grimme <martin.grimme at gmail.com>wrote:

> Hi,
>
> alsamixer -c0
> reveals a switch to route audio to the earpiece (I don't remember it's
> exact name). I don't think you can route sound to the earpiece any
> other way. Somebody please correct me if I'm wrong.
>
>
> Martin
>
>
> 2010/4/28, saurabh aggarwal <aggarwal.saurabh at gmail.com>:
>  > We are developing a VoIP application, and have it running for Maemo5
> (using
> > gstreamer/pulseaudio).
> >
> > The problem now is that the output being used is the speaker, and not the
> > headphone/earpiece.
> >
> > I have tried a couple of things (which haven't worked) like -
> > gst-launch pulsesrc device=source.voice ! pulsesink device=sink.voice
> > (outputs voice from speaker)
> >
> > gst-launch pulsesrc  ! pulsesink device=sink.hw0 x-maemo.mode="hp" (I get
> an
> > error no element "hp"). Have tried the same with "ihf".
> >
> > If someone can point me to the right direction, that would be really
> > appreciated.
> >
> > -Saurabh
> >
>
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