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

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