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MIDIReceived and virtual sources...
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MIDIReceived and virtual sources...


  • Subject: MIDIReceived and virtual sources...
  • From: Richard Burnett <email@hidden>
  • Date: Sun, 11 Jun 2006 18:30:54 -0400

Hello Everyone!

I am a bit new to OSX coding, I have a WinAPI and MFC background, so I apologize if these questions seems basic.

I have an AudioUnit that I am trying to create MIDI messages inside of and send them to a virtual port.  When The AU gets initialized, I do this:

MIDIClientCreate( CFSTR("testApp"),NULL,this,&midiClient);
MIDISourceCreate( midiClient,CFSTR("out1"),&midiOut);

Then, inside the process method, I create a packetlist and send it with MIDIReceived.  When I load up the AU in Rax, I do infact see the port as a midi source.  I set it up to send a midi note every so often, and I am sending the data 0x90,50,60 as Byte values.

When I use MIDI monitor on that new port, I see no messages.  When I attach that port to something, no notes are triggered.  I had it output a message in the portion of the code just after I call MIDIReceived just to make sure I am getting called.  The OSStatus that gets returned is 0.

Any thoughts on this?  I really appreciate any answers as the documentation is quite sparse on a lot of the MIDI functionality it seems to me (at least for virtual sources and such)

Rick
Asylum Studio Productions
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