On Thu, 29 May 2003, James Courtier-Dutton wrote:
> Jaroslav Kysela wrote:
> >
> >
> > It is limit of current alsa-lib configuration. We cannot distinct playback
> > and capture. But I am not sure, if returning an error helps you
> > (surround40 configuration is NOT valid for emu10k1). I suggest to fix jack
> > to allow different names for playback and capture with different count of
> > channels.
> >
> > Jaroslav
> >
> Surround40 playback seems to work on my SB Live emu10k1.
> Some SB Live cards have 2 stereo audio inputs, so in theory they should
> be able to do Surround40 capture as well.
> Can the SB Live do 4 channel full duplex, or is there another factor
> involved.
The multichannel capture must be implemented using the FX DSP code (like
raw S/PDIF). The standard capture device for emu10k1 can handle only
stereo stream.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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