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
Michael
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/
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>
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