Subject: Re: [linux-audio-dev] De-interleaving
From: Paul Winkler (pw_lists_AT_slinkp.com)
Date: Fri Jun 14 2002 - 09:50:42 EEST
GOT IT!
I'd forgotten to change the code that registers the jack
output ports; it was using the same name each time.
So apparently my de-interleaving code was fine
(though it's a bit more efficient now, thanks for the hint John.)
Houston, we have stereo.
--PW
On Fri, Jun 14, 2002 at 01:31:39AM -0400, Paul Winkler wrote:
> On Thu, Jun 13, 2002 at 06:11:52PM -0400, rm wrote:
> > On Thu, Jun 13, 2002 at 04:42:55PM -0400, Paul Winkler wrote:
> > > Something's odd here...
> > > I'm trying to de-interleave the stereo output from sfront
> > > into discrete channel buffers suitable for jack. Everything's
> > > fine when number of channels = 1; but when it's 2, it seems
> > > that I get the left channel in both outputs. I've confirmed
> > > that the left and right outputs are different when running
> > > with oss audio output instead of jack.
> >
> > do you have an .asoundrc, and are you telling jack to use a hardware
> > card? (do you get the message about using the plug layer or whatever)?
> >
> > the invocation should be something along the lines of
> > jackd -R -d alsa -d card0
> > or whatever the name its given in the asoundrc
>
> I'm using a hardware device. I'm doing:
>
> $ jackd -d alsa -d Delta66
>
> and in .asoundrc:
>
>
> pcm.Delta66 {
> type hw
> card 1
> }
>
> ctl.Delta66 {
> type hw
> card 1
> }
>
>
>
> One more thing: I just ran my mono-output test and I was able to
> successfully connect to any of the delta's analog outputs.
> So it looks like the jack port connection code works, at least
> for the first channel it connects. Hmmm.. I'm starting to
> suspect that maybe I've somehow connected all the output
> ports to the same buffer.
>
>
> --
>
> Paul Winkler
> home: http://www.slinkp.com
> "Muppet Labs, where the future is made - today!"
--Paul Winkler home: http://www.slinkp.com "Muppet Labs, where the future is made - today!"
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