On Tue, Dec 22, 2009 at 06:57:35PM -0600, Chris Bennett wrote: > 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 > >>$25 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. > 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? -- [email protected] SDF Public Access UNIX System - http://sdf.lonestar.org
