On Thu, 11 Mar 2004, James Courtier-Dutton wrote:
> Which devices can a mono stream be played on?
> It seems that the only device a mono stream can be played on is the
> "default" pcm device.
>
> Devices like "front" and "rear" are stereo only devices.
> It would be nice if alsa-lib would open one of these devices, and if the
> application tries to set 1 channel instead of 2, then somehow make
> alsa-lib do the duplication of the channels.
>
> A similar thing should happen for "surround40" device. If 1 channel is
> asked for, alsa-lib should duplicate it for all channels. If 2 channels
> are asked for, then alsa-lib should create 4 channels automatically.
>
> alsa-lib seems to manage to do this sort of thing for sample rates, and
> sample formats, why not number of channels ?
Have you tried 'plug:front' combination ;-)
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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