src/mxmMidi/example_print_channel_0.py

   1 from MidiOutStream import MidiOutStream
   2 from MidiInFile import MidiInFile
   3
   4 """
   5 This prints all note on events on midi channel 0
   6 """
   7
   8
   9 class Transposer(MidiOutStream):
  10
  11     "Transposes all notes by 1 octave"
  12
  13     def note_on(self, channel=0, note=0x40, velocity=0x40):
  14         if channel == 0:
  15             print channel, note, velocity, self.rel_time()
  16
  17
  18 event_handler = Transposer()
  19
  20 in_file = 'midiout/minimal_type0.mid'
  21 midi_in = MidiInFile(event_handler, in_file)
  22 midi_in.read()
  23