JRuby1.6でMIDI Yokeへnoteを送る

jruby-midi.rb

include Java
include_class javax.sound.midi.MidiSystem
include_class javax.sound.midi.ShortMessage

# License: Public Domain

notes = [62, [60, 64, 67], 62, 64,
         [64, 67], [64, 67], 62, 62,
         60, 60, 60, 62,
         [60, 64], [60, 64], [60, 64], 60]

devices = MidiSystem.getMidiDeviceInfo
device = MidiSystem.getMidiDevice(devices.detect{|device| device.getName == 'Out To MIDI Yoke:  1'})

begin
  device.open
  receiver = device.getReceiver
  message = ShortMessage.new
  
  notes.each do |note|
    [note].flatten.each do |num|
      message.setMessage ShortMessage::NOTE_ON, num, 127
      receiver.send message, -1
    end
    sleep 0.5
    [note].flatten.each do |num|
      message.setMessage ShortMessage::NOTE_OFF, num, 127
      receiver.send message, -1
    end
  end
ensure
  device.close
end

RubyからJeskola Buzzを取り敢えず操作したい。其んな感じ。 - c4se記：さっちゃんですよ☆ http://d.hatena.ne.jp/Kureduki_Maari/20110324/1300928587

https://gist.github.com/884347/648f5dcb24b89c58e7984fdeb18d944ce62340da
Fix license.