On 7/27/07, stan <stanl@xxxxxxx> wrote:
> On Fri, 27 Jul 2007 11:59:53 -0400
> "Lee Revell" <rlrevell@xxxxxxxxxxx> wrote:
>
> > On 7/27/07, Alan Horstmann <gineera@xxxxxxxxxxxxxxx> wrote:
> > > Could you give pointers as to how to modify Alsa configuration so
> > > that rate conversion can never happen, as I would prefer to have an
> > > error accessing the sound card rather than unknown conversion,
> > > which in my use should never be neccesary anyway.
> >
> > Simply open the hw device rather than the default, dmix, or plughw
> > device.
> >
> > Lee
>
> Lee,
>
> Are you saying that plughw *does* do hidden conversion? I thought its
> definition was equivalent to
>
> newplug {
> type plug
> slave {
> pcm "hw:0,0"
> }
> }
>
It's not "hidden" conversion, by using the plughw device you are
explicitly asking ALSA to convert the PCM stream to a format the
hardware supports.
Lee
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
