Re: [linux-audio-user] ecasound interactive mode

From: Paul Coccoli <pcoccoli@email-addr-hidden>
Date: Thu May 25 2006 - 07:14:43 EEST

On 5/23/06, Stuart Allie <Stuart.Allie@email-addr-hidden> wrote:
> Hi Paul,
>
>
> >
> > How do you add a second chain in ecasound in interactive
> > mode? I can create one chain that reads a file for input and
> > outputs to jack, but if I try to add another chain I get the
> > following:
> >
> > ecasound ('h' for help)> c-add t2
> > (eca-control) WARNING: This operation requires that
> > chainsetup is ... disconnected. Temporarily disconnecting...
> > - [ Engine exiting ]
> [snip]
>
> Ecasound is not exactly intuitive... until you get used to it, then it's
> the most intuitive thing in the world :)
>
> What you are neglecting to do is to attach the inputs and outputs to the
> chains. The steps you need to follow are:
>
> 1. add inputs with ai-add
> 2. add outputs with ao-add
> 3. add chains with c-add
> 4. select the chains you want to attch to a particular input
> 5. attach the input with ai-attach
> 6. repeat for outputs
>
> A slightly quicker alternative is:
> 1. add chains with c-add
> 2. select the chains you want to attach to a particular input or output
> 3. use ai-add or ao-add - this will add the inputs/outputs to the setup
> *and* atttach them to the selected chains.
>
> One 'gotcha' to look out for is that when you call ai-attach or
> ao-attach it *detaches* that in/out from any chains it is currently
> attached to and connects it to only those chains currently selected.
>

Hmmm...so what do you do if you want two chains to have the same
output (the first two jack alsa_pcm outputs)?

> >From the output you posted, it looked like you were trying to add a
> chain while the setup was running. So ecasound disconnected the setup,
> added the chain, and then tried to reconnect the setup but couldn't
> because the new chain had no attached inputs/outputs. If you stopped the
> setup running, disconnected it, then added the chains and attached the
> ins/outs and reconnected the chain setup, all should be well.
>
> Good luck :)
>
> Stuart
>
> ----------------------------------------------
> stuart.allie
> -AT-
> g[oogle]mail.com
> http://allie.opensrc.org
> ----------------------------------------------
>
Received on Thu May 25 16:15:04 2006

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