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Again, Routing Midi Signal from Quicktime through CoreMidi
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Again, Routing Midi Signal from Quicktime through CoreMidi


  • Subject: Again, Routing Midi Signal from Quicktime through CoreMidi
  • From: Jim Nevin <email@hidden>
  • Date: Tue, 27 Sep 2005 14:58:39 -0400

This topic has been discussed here several times in the past, but never to any final resolution or real satisfaction.

Simply, is there now a way, under OS X Tiger with Quicktime 7, to get a Midi signal generated by a Music track contained in a Quicktime movie to route externally to other Midi enabled applications or devices? Even better, does someone have an actual working example?

I have experimented with the wonderful AULab developer application under Tiger in combination with Audio/Midi Setup. AULab recognizes the DLSSynth AU Instrument Unit that we are told is used by Quicktime 7. But AULab does not recognize the Quicktime 7 application as a Midi Source, nor of course, does Audio/Midi Setup.

If custom CoreAudio code can do the trick, a working example that uses a Quicktime movie as a Midi source would be extremely valuable. There are lots of us folks out here who need to do what was once possible (under Classic with older versions of Quicktime) -- embed a Midi track in a Quicktime movie, and when playing the movie, route the generated Midi signal to other Midi applications and/or devices.

Thanks! -- Jim

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