[gmpi] Re: closing reqs 3.8

Fine, but I didn't write that. Tim put it in the draft requirements document and I was responding to him, particularly his comment that Req 22 is ok, in light of the recent curtailed MIDI thread.

-- Chris G.

Hi Chris,
the notion that a plug-in parameter requires a fixed MIDI Controller number
is obsolete.

Too early to decide that.   Some here will agree, some won't.  We havn't
discussed MIDI yet.

Best Regards,
Jeff

----- Original Message -----
From: "Chris Grigg" <gmpi-public@xxxxxxxxxxxxxx>
To: <gmpi@xxxxxxxxxxxxx>
Sent: Friday, January 30, 2004 1:31 PM
Subject: [gmpi] Re: closing reqs 3.8


At 4.23...

 "If GMPI is to succeed at all, it must be interoperable with the
 enormous installed base of MIDI applications, plugins, and devices.
 Pure MIDI, however, is too limited for GMPI's use. GMPI plugins and
 hosts need more flexibility than simple MIDI can provide. The notion
 that a parameter requires a fixed MIDI CC number is obsolete. In the
 software world of control signals, any CC should be able to go to any
 parameter."

 ...we should probably define 'pure MIDI' and 'simple MIDI' so people
 know which of MIDI's many, many aspects you have in mind there.   For
 example, the MIDI event message transport layer per se doesn't force
 any particular interpretation on any controller number; really its
 flexibility can't be beat.  Perhaps you're confusing MIDI per se with
 unfortunate limitations in the ways MIDI has been implemented in
 previous OS and plug-in APIs?

Can I suggest replacing the above with the following?:

 "If GMPI is to succeed at all, it must be interoperable with the
 enormous installed base of MIDI applications, plug-ins, and devices.
 However GMPI's handling of MIDI must take care to preserve the
 inherent flexibility of the MMA MIDI specifications, and avoid the
 numerous harmful assumptions and other limitations on MIDI message
 contents and semantics from which some previous OS and plug-in APIs
 have suffered. In particular, the notion that a plug-in parameter
 requires a fixed MIDI Controller number is obsolete; in the software
 world of routable control signals, any MIDI controller message source
 should be able to drive any GMPI plug-in control (parameter)."

> -- Chris G. 

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