Re: ecasound interactive mode

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On 5/22/06, Joel Roth <joelz@xxxxxxxxx> 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



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