Re: [ecasound] ECI and curses

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Subject: Re: [ecasound] ECI and curses
From: S. Massy (theanaloguekid_AT_tak.net.dhis.org)
Date: Wed Jan 30 2002 - 03:43:19 EET

On Tue, 29 Jan 2002, Kai Vehmanen <k_AT_eca.cx> wrote:

> On Tue, 23 Oct 2001, janne halttunen wrote:
>
> >> there's always away to solve these. But I wouldn't like to direct all
> >> debugging info to the ECI just to get a few important ones.
> > Ok. Take 'cs-add', for example. When user does 'cs-add blah', obviously
> > ecasound adds chainsetup named 'blah', but user gets no feedback unless I
> > write some. (there are quite many of these commands returning None, [-])
> [...]
> > What if these print commands could be redirected to, f.ex, a FIFO?
> > (how about dump-target?) That would really help a lot.
>
> Hmm, I guess I'll have to change my mind... the best solution does seem
> to be redirecting all debug messages to ECI. Libecasound has support for
> custom debug targets (for instance qtecasound has its own debug widget),
> so only thing missing is a way for ECI apps to access the information.
>
> The implementation would have to be based on callback functions. The ECI
> client would register a debug callback function, which libecasound calls
> for each debug message (containing debug level and message contents).
> Unfortunately this would require changing the ECI API (quite a lot of work
> as all ECI implementations would have to be changed).
>
> For now, I think the best way is to not rely on libecasound debug
> messages and instead print all required messages in the client. So for
> instance with 'cs-add', the client should do the following:
>
> cs-add mysetup
> tmp = cs-selected
> if tmp != "mysetup":
> print("Error! Unable to add chainsetup " + mysetup)
> else
> print("Chainsetup " + mysetup + " added."
How about this old proposition of mine?
http://www.wakkanet.fi/kv/ecasound/ecasound-list/2001/07/0004.html
Though maybe a little buffer with the latest debug messages wouldn't do
harm...

>
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