Source Code for Module echonest.remix.support.midi.example_print_channel_0

 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