Audio Unit MIDI Output
Audio Unit MIDI Output
- Subject: Audio Unit MIDI Output
- From: Matthew Hubble <email@hidden>
- Date: Mon, 14 Feb 2011 17:45:40 +0000
Hello Mailing List,
I am developing a step sequencer Audio Unit plug-in. I want my step
sequencer plug-in to output MIDI.
After a bit of reading on the mailing list archive, there seem to be
two approaches:
- Create a virtual MIDI source using MIDISourceCreate
- Use the Audio Unit MIDI output callback function (kAudioUnitProperty_MIDIOutputCallback)
However, it seems that the Audio Unit callback function does not
seem to be supported by any hosts. I built the SinSynth with MIDI
Output demo and it doesn't seem to be able to output MIDI.
The VST standard has a pretty simple interface, there is a function
"sendVstEventsToHost" that you call, and it works as expected
without any hassle.
So, can anyone clarify to me the best approach to use, and perhaps
tell me which hosts (if any!) support the Audio Unit MIDI callback
function. It seems like a very simple and reasonable feature to
expect.
Thanks for any help,
Matt
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