src/mxmMidi/MidiToText.py

   1 # -*- coding: ISO-8859-1 -*-
   2
   3 from MidiOutStream import MidiOutStream
   4 class MidiToText(MidiOutStream):
   5
   6
   7     """
   8     This class renders a midi file as text. It is mostly used for debugging
   9     """
  10
  11     #############################
  12     # channel events
  13
  14     def channel_message(self, message_type, channel, data):
  15         """The default event handler for channel messages"""
  16         print 'message_type:%X, channel:%X, data size:%X' % (message_type, channel, len(data))
  17
  18
  19     def note_on(self, channel=0, note=0x40, velocity=0x40):
  20         print 'note_on  - ch:%02X,  note:%02X,  vel:%02X time:%s' % (channel, note, velocity, self.timeInMs())
  21
  22     def note_off(self, channel=0, note=0x40, velocity=0x40):
  23         print 'note_off - ch:%02X,  note:%02X,  vel:%02X time:%s' % (channel, note, velocity, self.abs_time())
  24
  25     def aftertouch(self, channel=0, note=0x40, velocity=0x40):
  26         print 'aftertouch', channel, note, velocity
  27
  28
  29     def continuous_controller(self, channel, controller, value):
  30         print 'controller - ch: %02X, cont: #%02X, value: %02X' % (channel, controller, value)
  31
  32
  33     def patch_change(self, channel, patch):
  34         print 'patch_change - ch:%02X, patch:%02X' % (channel, patch)
  35
  36
  37     def channel_pressure(self, channel, pressure):
  38         print 'channel_pressure', channel, pressure
  39
  40
  41     def pitch_bend(self, channel, value):
  42         print 'pitch_bend ch:%s, value:%s' % (channel, value)
  43
  44
  45
  46     #####################
  47     ## Common events
  48
  49
  50     def system_exclusive(self, data):
  51         print 'system_exclusive - data size: %s' % len(data)
  52
  53
  54     def song_position_pointer(self, value):
  55         print 'song_position_pointer: %s' % value
  56
  57
  58     def song_select(self, songNumber):
  59         print 'song_select: %s' % songNumber
  60
  61
  62     def tuning_request(self):
  63         print 'tuning_request'
  64
  65
  66     def midi_time_code(self, msg_type, values):
  67         print 'midi_time_code - msg_type: %s, values: %s' % (msg_type, values)
  68
  69
  70
  71     #########################
  72     # header does not really belong here. But anyhoo!!!
  73
  74     def header(self, format=0, nTracks=1, division=96):
  75         print 'format: %s, nTracks: %s, division: %s' % (format, nTracks, division)
  76         print '----------------------------------'
  77         print ''
  78         print division
  79         self.division = division
  80
  81     def eof(self):
  82         print 'End of file'
  83
  84
  85     def start_of_track(self, n_track=0):
  86         print 'Start - track #%s' % n_track
  87
  88
  89     def end_of_track(self):
  90         print 'End of track'
  91         print ''
  92
  93
  94
  95     ###############
  96     # sysex event
  97
  98     def sysex_event(self, data):
  99         print 'sysex_event - datasize: %X' % len(data)
 100
 101
 102     #####################
 103     ## meta events
 104
 105     def meta_event(self, meta_type, data):
 106         print 'undefined_meta_event:', meta_type, len(data)
 107
 108
 109     def sequence_number(self, value):
 110         print 'sequence_number', value
 111
 112
 113     def text(self, text):
 114         print 'text', text
 115
 116
 117     def copyright(self, text):
 118         print 'copyright', text
 119
 120
 121     def sequence_name(self, text):
 122         print 'sequence_name:', text
 123
 124
 125     def instrument_name(self, text):
 126         print 'instrument_name:', text
 127
 128
 129     def lyric(self, text):
 130         print 'lyric', text
 131
 132
 133     def marker(self, text):
 134         print 'marker', text
 135
 136
 137     def cuepoint(self, text):
 138         print 'cuepoint', text
 139
 140
 141     def midi_ch_prefix(self, channel):
 142         print 'midi_ch_prefix', channel
 143
 144
 145     def midi_port(self, value):
 146         print 'midi_port:', value
 147
 148
 149     def tempo(self, value):
 150         print 'tempo:', value
 151         self.tempo = value
 152
 153
 154     def smtp_offset(self, hour, minute, second, frame, framePart):
 155         print 'smtp_offset', hour, minute, second, frame, framePart
 156
 157
 158     def time_signature(self, nn, dd, cc, bb):
 159         print 'time_signature:', nn, dd, cc, bb
 160
 161
 162     def key_signature(self, sf, mi):
 163         print 'key_signature', sf, mi
 164
 165
 166     def sequencer_specific(self, data):
 167         print 'sequencer_specific', len(data)
 168
 169     def timeInMs(self):
 170         return(long(self.abs_time())*1000000000/(long(self.tempo)*long(self.division)))
 171
 172
 173
 174 if __name__ == '__main__':
 175
 176     # get data
 177     test_file = '../songs/midis/test.mid'
 178     f = open(test_file, 'rb')
 179
 180     # do parsing
 181     from MidiInFile import MidiInFile
 182     midiIn = MidiInFile(MidiToText(), f)
 183     midiIn.read()
 184     f.close()