Re: ymfpci : four speakers with OSS-emulation

[Takashi Iwai <tiwai@suse.de>]

At Wed, 13 Mar 2002 09:29:58 -0500 (EST),
Adam K Kirchhoff wrote:
> 
> 
> On Wed, 13 Mar 2002, Takashi Iwai wrote:
> 
> > At Wed, 13 Mar 2002 08:01:02 -0500 (EST),
> > Adam K Kirchhoff wrote:
> > > 
> > > The solution the Jaroslav gave in that e-mail actually requires changes to
> > > the ymfpci driver, as I understand it.  Last time I pulled code from CVS,
> > > this hadn't been done yet.  From the sound of it (based on your
> > > experience) it looks like it still hasn't been done.  At the moment, I
> > > don't really understand Alsa (or sound drivers in general) well enough to
> > > make the change myself, nor do I really have the time to pick up that
> > > knowledge at the moment.
> > > 
> > > However, it's also my impression from Jaroslav's explanation that this
> > > would simply duplicate the output from the fron channel on the rear
> > > channel. Can someone let me know if this is correct?
> > 
> > if you only need duplication, this can be done on alsa-lib without
> > changing the driver itself.
> 
> <snip>
> 
> What would be required if you're looking for more than duplication?

dunno.  depending on what you want ;)
for example, if you need dynamic volume/pan controls for each channel,
then alsa-lib cannot do it.  its routing function is static only.


Takashi

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