Recording?

Kurtis Heimerl munncha at gmail.com
Sun Nov 11 06:52:40 CET 2007


I'm a little confused. Why do we need to mix the audio from the modem
in? My understanding was that the mic went directly to the modem now,
why wouldn't the correct thing be to multiplex between these two
somehow?

On Nov 10, 2007 8:07 PM, Brad Midgley <bmidgley at gmail.com> wrote:
> Kurtis
>
> The way to make this work would be to configure the codec so it
> delivers the audio from the modem, mixed with the audio from the mic,
> to the alsa digitizer. It's not clear this is possible.
>
> I was unable to make much sense of the codec controls, mainly because
> the alsa controller names do not match the labels for everything in
> the wolfson codec docs. If someone had a block diagram of the codec
> with the alsa controller names labeled it would solve a lot of the
> mystery.
>
> This specific codec may not reappear in the next gen phone.
>
> Brad
>
>
> On Nov 10, 2007 7:52 PM, Kurtis Heimerl <munncha at gmail.com> wrote:
> > I have some quick questions regarding the current state of recording
> > on the openmoko. The wiki is unclear.
> >
> > The wiki states that the audio input is currently directed piped into
> > the GSM modem, and that piping it anywhere else is currently under
> > development.
> >
> > However, the image I have has the ALSA package, which supports
> > recording. I have been unable to use it, since I have been unable to
> > get the pyalsaaudio or ossaudiodev packages installed.
> >
> > Is the phone currently able to record calls? Do the kernel drivers support this?
> >
> > Thanks!
> >
> >
>
>
>
> --
> Brad
>



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