Re: AudioUnits & midi
Re: AudioUnits & midi
- Subject: Re: AudioUnits & midi
- From: William Stewart <email@hidden>
- Date: Tue, 27 Apr 2004 12:03:28 -0700
Not quite...
Music Device Base is *required* for any au instrument - where it
contains implementations for both a MIDI message note on and the
extended API for turning notes on with more parameters, micro-note
numbers, etc... Both are required.
In our implementations we've unified both of these into a single method
that a subclass implements to create a note object. We don't have that
code in the SDK yet unfortunately, but this is something we are looking
into
Bill
On 27/04/2004, at 11:20 AM, Pavol Markovic wrote:
>
The MusicDeviceBase one is targeted for multitimbral instruments -
>
those which use Groups. You'll find more info in
>
/Developer/Documentation/CoreAudio/AudioUnits/GroupsPartsAndMulti-
>
timbrality.rtf
>
>
PM
>
>
On 27.4.2004, at 16:45, nick wrote:
>
>
> Hi,
>
>
>
> I've started (again) looking into creating virtual instrument
>
> AudioUnits...
>
> And once again I'm confused about the midi note handling
>
>
>
> The way I see it there are 2 sets of functions inherited from
>
> different classes which do the same thing!
>
>
>
> AUMIDIBase::HandleNoteOn ()
>
> MusicDeviceBase::StartNote ()
>
>
>
> Can anybody tell me (of point me in the right direction) the
>
> difference between these two? which one will actually receive the
>
> incoming notes? or do i need to override them both?
>
>
>
> Thanks,
>
> Nick
>
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