def create_miditable():
"""This function creates a MidiTable populated with all types of midi messages that have been
implemented in kenmido module in order to test the correct functionality of encoding and decoding
midi data."""
track0 = MidiTable(
5) # A specialized data structure to implement musical score data
track0.TrackName('Song') # track=0 time=0 by default
track0.TempoSet(85)
track0.TimeSignature(4, 4, track=0)
track0.sysex('Hello sysex World')
track0.SequenceNumber(365)
track0.Copyright('Anustuv Pal')
track0.InstrumentName('Free VST')
track0.Marker('A marker', time=240)
track0.CueMarker('A cue message', time=240)
track0.DeviceName('A device')
track0.ChannelPrefix(13)
track0.MidiPort(1)
track0.SmpteOffset()
track0.KeySignature('Gm', time=240)
track0.SequencerSpecific((1, 1, 2, 3, 5, 8, 13))
# track0.meta(EndOfTrack) # end of tracks are inserted automatically
track1 = MidiTable(5, track=1, channel=0)
track1.TrackName('Track1')
track1.Text('This is a text meta message in track 1')
track1.control(time=0, control=CONTROLS['Channel Volume'], cc_val=100)
track1.control(time=1, control=CONTROLS['Pan'], cc_val=95, channel=1)
track1.program(program=PROGRAMS['Clavi'])
track1.program(program=PROGRAMS['Electric Piano'], time=480)
track1.meta(metaclasses.Lyrics, 'A word', time=240)
score = MidiTable(4, track=1,
channel=0) # Mechanism to write notes into the table
for time, noteval in zip(range(0, 4 * 240, 240), [61, 65, 68, 72]):
score.note_on(time=time,
noteval=noteval,
score_d=240,
midi_d=240,
notevel=70)
score = merge_tables(track0, track1, score) # simple concatenation
score.fix_eots() # ensure end-of-tracks find their appropriate position
score.insert_note_offs()
score.remove_empty_rows()
score.encode_table()
tprint(score)
return score
def generate_testtable():
testtable = MidiTable(20, channel=1, track=1)
# print(testtable.maxtime)
testtable.TrackName('Song 1', track=0, channel=0)
testtable.TempoSet(105)
testtable.TimeSignature(4, 4)
testtable.TrackName('Track 1')
testtable.control('volume', 100)
testtable.control('pan', 67)
testtable.bend(0)
testtable.Marker('A marker', time=240)
testtable.Lyrics('Some words...', time=480)
testtable.note_on(time=0, noteval=60, score_d=480)
testtable.note_on(time=480, noteval=62, score_d=480)
testtable.note_on(time=960, noteval=64, score_d=480)
testtable.note_on(time=1280, noteval=65, score_d=480)
testtable.cleanup()
return testtable
from kenmido import MidiTable, Sequencer, portopen, play
from kenmido.rows import Mtypes
from theorymuse import tprint, Printer
Printer.midi_mode()
a = MidiTable(20, channel=1, track=1)
a.TrackName('Song 1', track=0, channel=0)
a.TempoSet(105)
a.TimeSignature(4, 4)
a.TrackName('Track 1')
a.control('volume', 100)
a.control('pan', 67)
a.bend(0)
a.Marker('A marker', time=240)
a.Lyrics('Some words...', time=480)
a.note_on(time=0, noteval=60, score_d=480, midi_f=1)
a.note_on(time=480, noteval=62, score_d=480, midi_f=1)
a.note_on(time=960, noteval=64, score_d=480, midi_f=1)
a.note_on(time=960 + 240, noteval=65, score_d=240, midi_f=1)
a.fix_eots()
a.insert_note_offs()
a.remove_empty_rows()
a.sort()
a.encode_table()
a.abs_to_reltime()
print(a.maxtime)
tprint(a)
with portopen('loopMIDI'):
play(a, noloops=3)
from kenmido import MidiTable, MIDI_LIB, play, portopen
from kenmido.rows import Mtypes
# from kenmido.miditable import row_compare
from theorymuse import tprint, Printer
from test_midifile_manipulation import create_miditable
Printer.midi_mode()
mt = create_miditable()
# mt = MidiTable.load_midifile(MIDI_LIB['soddity'])
# mt.sort()
nons = MidiTable(10, track=1, channel=0)
nons.TrackName('Track 1')
mt.save_midifile('test_midi.mid')
pt = MidiTable.load_midifile('test_midi.mid')
pt.save_midifile('test_midi1.mid')
pt1 = MidiTable.load_midifile('test_midi1.mid')
pt1.remove_note_offs()
pt1.insert_note_offs()
print(len(mt), len(pt), len(pt1))
# pt1.cleanup()
tprint(mt)
for mtype in Mtypes:
mtabl1 = len(mt[mt['mtype'] == mtype])
mtabl2 = len(pt[pt['mtype'] == mtype])
mtabl3 = len(pt1[pt1['mtype'] == mtype])
print(mtype, mtabl1, mtabl2, mtabl3)
from kenmido import (MidiTable, MIDI_LIB, play, portopen, merge_tables)
from kenmido.miditable import logger
from kenmido.miditable import RowCodec
# import matplotlib.pyplot as plt
from kenmido.rows import Mtypes
from theorymuse import tprint, Printer
from printer.pprinter import prn_data
Printer.midi_mode()
nons1 = MidiTable(10, track=1)
nons2 = MidiTable(10, track=1, channel=1)
nons3 = MidiTable(10, track=2, channel=2)
nons4 = MidiTable(10, track=2, channel=3)
nons1.TrackName('Song', track=0)
nons1.TrackName('Track 1')
nons2.TrackName('Track 2')
nons3.TrackName('Track 3')
nons4.TrackName('Track 4')
N = 100
np.random.seed(1000)
def gen_data():
D = 480
notes = np.random.choice(range(30, 80), size=N)
starttimes = np.arange(0, N * D, D)
midi_ds = np.random.random(N) * D * 4
mt = MidiTable(N)
