On Tue, Dec 22, 2009 at 06:57:35PM -0600, Chris Bennett wrote:
quoted text
> Jacob Meuser wrote:
> >>The direction part is clear except for the input-vr0, input-vr50,
> >>input-vr80.
> >>For what reason would I pick each of these? Is this used to reduce
> >>excessively loud inputs?
> >
> >to be able to use common consumer microphones, you usually need to
> >have it's jack/pin set for 50% or better VRef.  line level inputs
> >should use Hi-Z (0% VRef) which is just 'input'.  yes, that needs
> >to be explained better in the manual.
> >
> >>What were or weren't  the vendor things?
> >
> >in the case of your codec, nothing.  others vary.  some are for
> >power saving switches and some completely undocumented.
> >
> >>Do I see this correctly:
> >>I could play 6 channels with mplayer.
> >>0:1 to one output.
> >>2:3 to another
> >>4:5 to adc-4:5 to sp/dif and then decode that stream externally.
> >
> >you can't output to an adc.  adc is the opposite of dac.
> >
> >>This would then give 5.1 output.
> >>This may seem a little weird to do, but older Sony 5.1 receivers
> >>that are "broken" with easy to fix cold solder joints are only about
> >> to buy.
> >
> >it may be possible to mix analog and digital output with azalia
> >hardware, but it is not possible with the azalia driver.  to be able
> >to do that, there would need to be another layer of connections
> >exposed in the mixer.  for now it's either all digital or all analog.
> >
> Thanks, that all very clear to me now!
> 
> Of course, my problems never seem to end lately.
> mplayer -channels 6 works just fine, this leaves playback through
> spkr with only background music.

are you using aucat?  mplayer -channels 6 shouldn't work with your
device, unless it's downmixing quietly.

quoted text
> I thought that I could hear another pair of channels with 2:3 but
> even when I plug in a set of speakers or a mic, I can't get anything
> but unplugged from anything other than spkr.
> 
> These are from the three jacks on the back of motherboard
> I have tried changing dir to output from input etc, but nothing
> works except spkr
> 
> Am I doing/thinking wrong here or is something not working correctly?

are you saying outputs.line-in_sense doesn't change when you plug
something into the line-in jack?

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