[PD] Re: [PD-announce] k_guile v0.0.1

[Kjetil Svalastog Matheussen]

Michal Seta:
>
> On Wed, 2004-01-14 at 20:31, Larry Troxler wrote:
>
> > Ok, and I know this is probably an ignorant question, but could you possibly
> > be a bit more specific? (Sorry I lost your original reply). I know you said
> > it's just a matter of loading it and then running (cm),  but where did you do
> > this?
>
> Yeah, I know that it was very naive but I loaded the CM system within
> the same script I loaded into k_guile.  I think this is why Kjetil wrote
> back saying that you can have CM load by default by editing the
> global.scm file, and then later proposed loading a conf file (I still
> haven't had time to check out the improvements from CVS).  Here's my
> naive script:
>
> --------------------------------------
> (pd-inlets 1)
> (pd-outlets 1)
>
> (load "/home/mis/CommonL/cm/src/cm.scm")
> (cm)
>
> (pd-inlet 0 'float
> 	 (lambda (x)
> 	    (pd-outlet 0 (hertz x))))
> ---------------------------------------
>
> call it float->hertz if you wish :)
>
> (side note: this presents me with a little problem: CM's hertz function
> will take a float/int argument as well as string (a note name with
> octave indication like c4) and a list (of ints/floats or strings).  It
> seems that I have to specify type for the inlet so I cannot feed the
> same inlet with different types?

Didn't think of that. Will add an 'any type. No problem.

>  Also, I seem not to know how to handle
> list types with k_guile or there's a bug...  But I had not enough time
> to play with this.)
>
Doesn't (pd-inlet 0 'list func) work?


> >  Does CM really keep it's state between k_quille objects?
>
> I guess not if CM is loaded the way I did above.  Perhaps it does if you
> load it globally?
>
Load always loads globally.

> >  I.e. can you
> > make an object that reads items from a stream, and then create other objects
> > that read items from the same stream? What happens if you close all your
> > objects, and then re-open them again? is the state of Common Music still
> > preserved?
>
> ...  good questions...
>
Unless you call load in between, the states are preserved.

> >
> > I still have the feeling that I'm missing a very basic point here, or else I
> > am completely misunderstanding what Kjetil is telling me...
>
> I tried to follow more or less your discussion with Kjetil and I sort of
> can see what you're getting at.  Seems to me, also, that Kjetil didn't
> intend for this extern to become a robust environment for running CM :)

Ehem. :) I _did_ actually intend for this extern to become a robust
environment for running CM. Or at least for running cm/clm/etc. inside pd.
If not, I could have used the scheme external.

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