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

On 5/22/06, Joel Roth <joelz@email-addr-hidden> wrote:
> On Mon, May 22, 2006 at 10:34:52PM -0400, Paul Coccoli wrote:
> > 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:
> >
> [trials and errors snipped]
> > Hmm. If a chain MUST have one valid input and output, but inputs and
> > outputs need to be connected to a chain, THEN ITS A PARADOX AND MY
> > HEAD EXPLODES!
> >
> > Seriously, I'm tryin the most basic thing in the world and I can't do
> > it. Maybe it's just too late at night...
>
> I sympathize. You are not alone! Troubles of this nature are
> what prompted me to write a front end to Ecasound. There are
> now three GUI Ecasound interfaces: Tkeca, Visecas and Ecmd,
> and three scripting interfaces: Audio::Ecasound (perl),
> pyecas (python) and an elisp interface for Emacs.
>

I'm kicking around some ideas for yet another frontend, since none
them seem to do what I want. I'm not sure if ecasound is the right
backend, though.

> To address your question... I can't say what is wrong with
> what you tried, but the following is somewhat similar,
> and generates a valid chain setup:
>
>
> ecasound ('h' for help)> cs-add twochain
> - [ Chainsetup created (empty) ] -----------------------------------------------
> (eca-control-objects) Added a new chainsetup with name "twochain".
> ecasound ('h' for help)> c-add t1,t2
> (eca-control-objects) Added chains: t1, t2.
> ecasound ('h' for help)> c-select t1
> ecasound ('h' for help)> ai-add jack,auto
> (eca-control-objects) Added audio input "jack,auto".
> ecasound ('h' for help)> ao-add jack,auto
> (eca-control-objects) Added audio output "jack,auto".
> ecasound ('h' for help)> c-select t2
> ecasound ('h' for help)> ai-add jack,auto
> (eca-control-objects) Added audio input "jack,auto".
> ecasound ('h' for help)> ao-add jack,auto
> (eca-control-objects) Added audio output "jack,auto".
> ecasound ('h' for help)> cs-is-valid
> 1
> ecasound ('h' for help)> fs
> ### Audio input/output status (chainsetup 'twochain') ###
> Input (1): "jack" - [JACK interface]
> -> connected to chains "t1": realtime-device; position 0, delay 0.
> -> closed, s16_le/2ch/44100Hz, buffer 1024.
> Input (2): "jack" - [JACK interface] [selected]
> -> connected to chains "t2": realtime-device; position 0, delay 0.
> -> closed, s16_le/2ch/44100Hz, buffer 1024.
> Output (1): "jack" - [JACK interface]
> -> connected to chains "t1": realtime-device; position 0, delay 0.
> -> closed, s16_le/2ch/44100Hz, buffer 1024.
> Output (2): "jack" - [JACK interface] [selected]
> -> connected to chains "t2": realtime-device; position 0, delay 0.
> -> closed, s16_le/2ch/44100Hz, buffer 1024.
>
>

Yup, that seems to work. Still not sure what I was doing wrong, but
that's ok for now.

Thanks!

> Regards,
>
> Joel
>
> > paul
>
> --
> Joel Roth
>
Received on Thu May 25 16:15:03 2006