Re: [ecasound] problem with chain operators connected to multiple chains

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Subject: Re: [ecasound] problem with chain operators connected to multiple chains
From: Kai Vehmanen (kai.vehmanen_AT_wakkanet.fi)
Date: Thu Aug 19 2004 - 00:47:55 EEST

On Wed, 18 Aug 2004, Stuart Allie wrote:

> Note sure if this is desired behaviour or not... starting with the
> following chain setup:
[...]
> Now, if I add a chain operator to *both* chains, eg via
> -a:1,2 -ea:150
[...]
> I get nothing, despite having applied the Amplify chain operator to
> *both* chains.

Yup, this is a feature. 'cop-add' does not support adding operators to
multiple chains. I'll add a warning about this to the docs.

> I get an error: DBC_REQUIRE failed - "selected_chains().size()==1",
> eca-control-objects.cpp, 1691.

... and this the assertion that is meant to catch misuses (i.e. check that
only one chain is selected at a time).

> So it seems that there is a mismatch between what is allowed on the
> command line and what is allowed in interactive mode.

This limitation applies to both cases. 

-- 
 http://www.eca.cx
 Audio software for Linux!

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