Exemple #1
0
sys.path.append('../note_seq') # needed unless installing forked lib from github

from note_seq import midi_io
from music_utils.tokenizer import TokenizerMonophonic
from loaders.dataloader_midi import load_midi_to_seq

#PARAMS
midi_dir = '/Users/nikolasborrel/github/dlmusic_data/midi_data_out/tests/'
midi_dir_out = '/Users/nikolasborrel/github/dlmusic_data/midi_data_out/splitted/'

instruments = [0]
lead_instrument = ('melody', instruments[0])
name_instrument_map = { lead_instrument[0]  :  lead_instrument[1] }

print("Create...")
sequences = load_midi_to_seq(midi_dir, name_instrument_map, recursive=False)

if len(sequences) == 0:
    raise Exception(f'No midi files loaded')

print("Tokenize...")
t = TokenizerMonophonic(max_bars_chunk=8, min_note=60, max_note=72)
t.add_songs(sequences, instruments)

print("write to disk...")

for i, mel in enumerate(t.song_parts_lead):
    inputs_one_hot, label_not_used = t.encoder_decoder.encode(mel)  # MELODY

    print(f'#encodings melody: {len(inputs_one_hot)}')
# Encoding-Tokenizing parameters
instruments = [0, 1]
lead_instrument = ('melody', instruments[0])
accomp_instrument = ('bass', instruments[1])

extract_names = (lead_instrument[0], accomp_instrument[0])
extract_instruments = [lead_instrument[1], accomp_instrument[1]]

name_instrument_map = {
    extract_names[0]: extract_instruments[0],
    extract_names[1]: extract_instruments[1]
}

sequences = load_midi_to_seq(dataset_path,
                             name_instrument_map,
                             recursive=False)

#%%
max_chunks_lists = [4, 5, 6]
steps = [1, 2, 4]
D = AutoVivification()
for i, spq in enumerate(steps):
    tokenizer_kwargs = {
        'split_in_bar_chunks': 16,
        'steps_per_quarter': spq,
        'min_note': 60,
        'max_note': 72
    }

    length_per_seq = tokenizer_kwargs[
from loaders.dataloader_midi import load_midi_to_seq
import note_seq

root_dir = '/home/sarantos/Documents/Music_AI/maestro-v2.0.0-midi'
sequences = load_midi_to_seq(root_dir, recursive=True)

print(sequences.size)

seq1 = sequences[0]
seq2 = sequences[1]

seq1_extracted = note_seq.extract_subsequence(seq1, 0.0, 0.5)
seq2_extracted = note_seq.extract_subsequence(seq2, 0.0, 0.5)
print('------SEQ 1--------')
print(seq1_extracted)
print('------SEQ 2--------')
print(seq2_extracted)