[gmpi] Re: undo and controls

  • From: "Ron Kuper" <RonKuper@xxxxxxxxxxxx>
  • To: <gmpi@xxxxxxxxxxxxx>
  • Date: Mon, 21 Jun 2004 13:47:44 -0400

>>>
 It's not really a GMPI plugin because it has no GMPI controls, just
some vague idea that it wants MIDI input.  So you wrap it in a GMPI
skin.  This GMPI skin has to know what MIDI parameters the internal MIDI
plugin expects, right?
<<<

Actually, what I had in mind was that there would also be MIDI as a
primitive data type for a control signal.  So it's truly GMPI with a
GMPI skin, one control input data type = MIDI.  Because it's a data
type, its optional.  A host can see that it's MIDI data type and
instantiate the glue to talk to it. 

>>>
This GMPI skin has to know what MIDI parameters the internal MIDI plugin
expects, right?
<<<

Meta-data on the MIDI-typed control pin could provide this.  It could do
via the MIDI namespaces, and XML based thing used by the MMA for
synthesizers to define themselves.

>>>
If we provide a way for a top-level GMPI plugin to have raw MIDI input,
then we've opened a can of worms.  Other plugins will want to do that,
too. 
<<<

I'm not sure this is true.  If the GMPI control language is cleaner then
I think most new plugins would want to talk that.

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