def formMidiList():
# read Midi file and form python list.
test_file = '/home/jim/research/python/LaComparsa.mid'
midiList = MidiToList() # do parsing
midiIn = MidiInFile(midiList, test_file)
midiIn.read()
return midiList
def formMidiList():
# read Midi file and form python list.
test_file = "/home/jim/research/python/LaComparsa.mid"
midiList = MidiToList() # do parsing
midiIn = MidiInFile(midiList, test_file)
midiIn.read()
return midiList
def __init__(self, filename, r=(21, 109), dt=0.2):
self.notes = []
self._tempo = 500000
self.beat = 0
self.time = 0.0
midi_in = MidiInFile(self, filename)
midi_in.read()
self.notes = [n for n in self.notes if n[2] is not None] # purge incomplete notes
length = int(numpy.ceil(max(zip(*self.notes)[2]) / dt)) # create piano-roll
self.piano_roll = numpy.zeros((length, r[1]-r[0]))
for n in self.notes:
self.piano_roll[int(numpy.ceil(n[1]/dt)) : int(numpy.ceil(n[2]/dt)), n[0]-r[0]] = 1
def __init__(self, filename, r=(21, 109), dt=0.2):
self.notes = []
self._tempo = 500000
self.beat = 0
self.time = 0.0
midi_in = MidiInFile(self, filename)
midi_in.read()
self.notes = [n for n in self.notes if n[2] is not None] # purge incomplete notes
length = int(numpy.ceil(max(zip(*self.notes)[2]) / dt)) # create piano-roll
self.piano_roll = numpy.zeros((length, r[1]-r[0]))
for n in self.notes:
self.piano_roll[int(numpy.ceil(n[1]/dt)) : int(numpy.ceil(n[2]/dt)), n[0]-r[0]] = 1
def midi_port(self, value):
print 'midi_port:', value
def tempo(self, value):
print 'tempo:', value
def smtp_offset(self, hour, minute, second, frame, framePart):
print 'smtp_offset', hour, minute, second, frame, framePart
def time_signature(self, nn, dd, cc, bb):
print 'time_signature:', nn, dd, cc, bb
def key_signature(self, sf, mi):
print 'key_signature', sf, mi
def sequencer_specific(self, data):
print 'sequencer_specific', len(data)
if __name__ == '__main__':
# get data
test_file = 'test/midifiles/minimal.mid'
f = open(test_file, 'rb')
# do parsing
from MidiInFile import MidiInFile
midiIn = MidiInFile(MidiToText(), f)
midiIn.read()
f.close()
def buildScore(in_file):
event_handler = ScoreBuilder()
midi_in = MidiInFile(event_handler, in_file)
midi_in.read()
return event_handler.score
""" This is an example that uses the MidiToText eventhandler. When an event is triggered on it, it prints the event to the console. It gets the events from the MidiInFile. So it prints all the events from the infile to the console. great for debugging :-s """ # get data test_file = 'test/midifiles/minimal-cubase-type0.mid' # do parsing from MidiInFile import MidiInFile from MidiToText import MidiToText # the event handler midiIn = MidiInFile(MidiToText(), test_file) midiIn.read()
try:
text = text.decode(self.from_enc).encode(self.to_enc)
except UnicodeDecodeError:
print >> sys.stderr, "Error decoding", text
pass
except UnicodeEncodeError:
text = text.decode(self.from_enc).encode(self.to_enc, "replace")
text = text.replace("?", "_")
MidiOutFile.sequence_name(self, text)
def sysex_event(self, data):
MidiOutFile.system_exclusive(self, data)
if __name__ == "__main__":
import sys, os.path, glob
if len(sys.argv) != 4:
print "MIDI song title renamer"
print "Usage: %s midi_file from_enc to_enc" % (os.path.basename(sys.argv[0]),)
print "Example: %s test.mid cp932 gbk" % (os.path.basename(sys.argv[0]),)
print "The output file is midi_file.new. midi_file can have wildcard"
sys.exit(0)
for fname in glob.glob(unicode(sys.argv[1])):
print "Processing", fname
midi_out = Transposer(fname + ".new", sys.argv[2], sys.argv[3])
midi_in = MidiInFile(midi_out, fname)
midi_in.read()
event_handler = NoteOnPrinter() in_file = 'test.mid' out_file = 'test.mid' midi = MidiOutFile(out_file) # non optional midi framework midi.header(division=96) midi.start_of_track() # musical events midi.tempo(60000000 / 60) midi.update_time(0) midi.note_on(channel=0, note=69) midi.update_time(96) midi.note_on(channel=0, note=73) midi.update_time(96) midi.note_off(channel=0, note=69) midi.update_time(96) midi.note_off(channel=0, note=73) # non optional midi framework midi.update_time(0) midi.end_of_track() # not optional! midi.eof() midi_in = MidiInFile(event_handler, in_file) midi_in.read()
