Re: AU MIDI question
Re: AU MIDI question
- Subject: Re: AU MIDI question
- From: Chris Reed <email@hidden>
- Date: Fri, 12 Sep 2003 13:44:48 -0500
The AU 2.0 spec does not specifically support sending MIDI from an
AudioUnit. Apple have previosly stated here that the additions to
Panther will allow you to create streams of MIDI data that operate like
streams of audio data. Pretty cool! For 10.2 support, you will be able
to install QuickTime 6.4 on 10.2 and have access to all the new
CoreAudio APIs. (Am I right about this?)
In the meantime, if you need to send MIDI from an AU, there is nothing
stopping you from making standard CoreMIDI calls directly from your AU.
You can create an endpoint and connect it to an interface, and so on.
Actually, for what you are talking about, it seems likely that even in
10.3 you would still want to work with CoreMIDI directly. The MIDI data
streams are more for allowing users to route MIDI output from an AU as
they would audio.
-chris
On Sep 12, 2003, at 12:52 PM, James B. Parker wrote:
Is it possible for an AU to send MIDI to an external device? I looked
at AUMidiBase and see several calls to handle incoming data but wasn't
sure if it is possible to send data. I would like to try to build an
AU that is a midi controller for an external synth.
James
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