On Sat, 30 Jan 2010, Michael Trimarchi wrote:
> Guennadi Liakhovetski wrote:
> > Hi
> >
> > I know this question belongs rather to alsa-users, and I did ask it there,
> > but got no solution so far. Maybe someone here can help.
> >
> > The recently posted SuperH SIU driver only supports stereo playback and
> > capture (channels_min = channels_max = 2). Is there a way to tell alsa-lib
> > to duplicate the mono-channel during playback and to mix recorded channels
> > (or use one of them), if mono recording is requested?
> >
> I'm not an expert but I think that you can use plughw support of alsa-lib
>
> pcm.record {
> type plug
> slave {
> pcm record_hw
> }
> route_policy average
> rate_converter "linear"
> }
>
> I think that automatically change rate and channel for supporting mono channel
> too
Thanks for the snippet, but, I'm afraid, it didn't help either.
Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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