[gmpi] Re: 3.15 MIDI (goals)

  • From: "Ron Kuper" <ronkuper@xxxxxxxxxxx>
  • To: <gmpi@xxxxxxxxxxxxx>
  • Date: Sat, 19 Jun 2004 20:11:17 -0400

I'm a little confused about how undo got into this discussion.  Can someone
quote some text, or explain again, why a plugin needs to undo anything?

----- Original Message ----- 
From: "Tim Hockin" <thockin@xxxxxxxxxx>
To: <gmpi@xxxxxxxxxxxxx>
Sent: Saturday, June 19, 2004 7:39 PM
Subject: [gmpi] Re: 3.15 MIDI (goals)


> On Sat, Jun 19, 2004 at 01:47:37PM -0700, Chris Grigg wrote:
> > b) I am not yet quite convinced that undo is so universally valuable
> > as to outweigh the end-to-end principle.  Obvious use case: Hamamatsu
> > synth company ports HW synth family to GMPI plug versions.  User has
> > the HW version and wants to migrate to the SW version. User sends
> > favorite patches into GMPI over MIDI sysex, saves from plug, done.
>
> IN that case, you encapsulate the SysEx as a blob.  Th eGMPI plugin's MIDI
> map shows MIDI SysEx -> GMPI params (type blob).
>
> If blobs need to be undoable, we can special case it just a bit further
> and say that SysEx can be received on a different back channel, which
> still must act like an Actor.
>
> Or something.  I continue to assert that a single special case for SysEx
> will not kill anyone.
>
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