parser.add_argument("--flatten_dir", action="store_true")
args = parser.parse_args()
gen_path = args.generator or (args.snapshot_dir / args.snapshot_name).with_suffix(gen_suffix)
dis_path = args.discriminator or (args.snapshot_dir / args.snapshot_name).with_suffix(dis_suffix)
cls_path = args.classifier or (args.snapshot_dir / args.snapshot_name).with_suffix(cls_suffix)
# Set up model
num_mels = 36
zdim = 5
hdim = 32
cdim = 8
adim = 32
speakers, speaker_individual_keys = separate_speaker(np.load(args.speaker_id))
speaker_num = len(speakers)
identity = np.identity(speaker_num, dtype=np.float32)
spkind_mcep = get_separated_values(np.load(args.mcep), speaker_individual_keys)
spkind_f0 = get_separated_values(np.load(args.f0), speaker_individual_keys)
spkind_ap = get_separated_values(np.load(args.ap), speaker_individual_keys)
mcep_mean = np.load(args.mcep_norm_param[0])
mcep_std = np.load(args.mcep_norm_param[1])
logf0_mean = np.load(args.logf0_norm_param[0])
logf0_std = np.load(args.logf0_norm_param[1])
generator = generator_class(speaker_num)
adverserial_discriminator = discriminator_class(num_mels, speaker_num, adim)
config_parser = load_config(hypparams_model)
section = config_parser["model"]
word_num = section["word_num"]
letter_num = section["letter_num"]
print("Done!")
#%%
print("Loading results....")
word_results = np.load(results_dir / "word_stateseq.npz")
letter_results = np.load(results_dir / "letter_stateseq.npz")
duration_results = np.load(results_dir / "word_durations.npz")
keys = sorted(list(word_results.keys()))
train_iter = word_results[keys[0]].shape[0]
if args.speaker_id is not None:
speaker, spkind_keys = separate_speaker(np.load(args.speaker_id))
speaker_N = len(speaker)
spkind_phn_labels = get_separated_values(phn_labels, spkind_keys)
spkind_wrd_labels = get_separated_values(wrd_labels, spkind_keys)
spkind_letter_results = get_separated_values(letter_results, spkind_keys)
spkind_word_results = get_separated_values(word_results, spkind_keys)
spkind_letter_ARI = np.zeros((speaker_N, train_iter))
spkind_letter_macro_f1_score = np.zeros((speaker_N, train_iter))
spkind_letter_micro_f1_score = np.zeros((speaker_N, train_iter))
spkind_word_ARI = np.zeros((speaker_N, train_iter))
spkind_word_macro_f1_score = np.zeros((speaker_N, train_iter))
spkind_word_micro_f1_score = np.zeros((speaker_N, train_iter))
spkind_letter_confusion_matrix = np.zeros(
(speaker_N, train_iter, phn_label_N, letter_num), dtype=int)
def main():
parser = argparse.ArgumentParser(
description='Train stargan voice convertor')
parser.add_argument('--gpu',
type=int,
default=-1,
help='GPU ID (negative value indicates CPU)')
parser.add_argument("--train_data",
type=Path,
required=True,
help="training data")
parser.add_argument("--speaker_id",
type=Path,
required=True,
help="speaker_id file")
parser.add_argument("--output_file", type=Path, required=True)
parser.add_argument('--epoch',
default=6000,
type=int,
help='number of epochs to learn')
parser.add_argument("--epoch_start", type=int, default=0)
parser.add_argument('--snapshot',
default=100,
type=int,
help='interval of snapshot')
parser.add_argument('--batchsize', type=int, default=4, help='Batch size')
parser.add_argument('--optimizer',
default='Adam',
choices=["Adam", "MomentumSGD", "RMSprop"],
type=str,
help='optimizer to use: Adam, MomentumSGD, RMSprop')
parser.add_argument('--lrate',
default='0.00001',
type=float,
help='learning rate for Adam, MomentumSGD or RMSprop')
parser.add_argument('--genpath',
type=str,
help='path for a pretrained generator')
parser.add_argument('--clspath',
type=str,
help='path for a pretrained classifier')
parser.add_argument('--advdispath',
type=str,
help='path for a pretrained real/fake discriminator')
args = parser.parse_args()
epsi = sys.float_info.epsilon
output_file = args.output_file
output_dir = output_file.with_suffix("")
output_dir.mkdir(exist_ok=True, parents=True)
all_source = np.load(args.train_data)
Speakers, SpeakerIndividualKeys = separate_speaker(np.load(
args.speaker_id))
NormalizedAllData = get_separated_values(all_source, SpeakerIndividualKeys)
SpeakerNum = len(Speakers)
# Set input directories
EpochNum = args.epoch
BatchSize = args.batchsize
SentenceNum = [len(SpeakerIndividualKeys[s]) for s in range(SpeakerNum)]
MaxSentenceNum = max(SentenceNum)
print('#GPU: {}'.format(args.gpu))
print('#epoch: {}'.format(EpochNum))
print('Optimizer: {}'.format(args.optimizer))
print('Learning rate: {}'.format(args.lrate))
print('Snapshot: {}'.format(args.snapshot))
# Set up model
num_mels = 36
zdim = 5
hdim = 32
cdim = 8
adim = 32
# num_mels = data.shape[0] (36dim)
# zdim = 8
# hdim = 32
generator_class = net.Generator_new
classifier_class = net.Classifier1
discriminator_class = net.AdvDiscriminator1
loss_class = net.Loss_new
generator = generator_class(SpeakerNum)
paranum = sum(p.data.size for p in generator.params())
print('Parameter #: {}'.format(paranum))
# cdim = 8
classifier = classifier_class(num_mels, SpeakerNum, cdim)
paranum = sum(p.data.size for p in classifier.params())
print('Parameter #: {}'.format(paranum))
# adim = 32
adverserial_discriminator = discriminator_class(num_mels, SpeakerNum, adim)
# adverserial_discriminator = net.AdvDiscriminator_noactive(num_mels, SpeakerNum, adim)
paranum = sum(p.data.size for p in adverserial_discriminator.params())
print('Parameter #: {}'.format(paranum))
if args.genpath is not None:
try:
serializers.load_npz(args.genpath, generator)
except:
print('Could not load generator.')
if args.clspath is not None:
try:
serializers.load_npz(args.clspath, classifier)
except:
print('Could not load domain classifier.')
if args.advdispath is not None:
try:
serializers.load_npz(args.advdispath, adverserial_discriminator)
except:
print('Could not load real/fake discriminator.')
if args.gpu >= 0:
chainer.cuda.get_device(args.gpu).use()
generator.to_gpu()
classifier.to_gpu()
adverserial_discriminator.to_gpu()
xp = np if args.gpu < 0 else cuda.cupy
# Set up optimziers
# loss = net.Loss1(generator, classifier, adverserial_discriminator)
loss = loss_class(generator, classifier, adverserial_discriminator)
# w_adv = 1.0
# w_cls = 1.0
# w_cyc = 1.0
# w_rec = 1.0
w_adv = 1.0
w_cls = 1.0
w_cyc = 1.0
w_rec = 1.0
if args.optimizer == 'MomentumSGD':
opt_gen = optimizers.MomentumSGD(lr=args.lrate, momentum=0.9)
opt_cls = optimizers.MomentumSGD(lr=args.lrate, momentum=0.9)
opt_advdis = optimizers.MomentumSGD(lr=args.lrate, momentum=0.9)
elif args.optimizer == 'Adam':
opt_gen = optimizers.Adam(alpha=0.001, beta1=0.9)
opt_cls = optimizers.Adam(alpha=0.00005, beta1=0.5)
opt_advdis = optimizers.Adam(alpha=0.00001, beta1=0.5)
elif args.optimizer == 'RMSprop':
opt_gen = optimizers.RMSprop(lr=args.lrate)
opt_cls = optimizers.RMSprop(lr=args.lrate)
opt_advdis = optimizers.RMSprop(lr=args.lrate)
opt_gen.setup(generator)
opt_cls.setup(classifier)
opt_advdis.setup(adverserial_discriminator)
AllCombinationPairs = list(itertools.combinations(range(SpeakerNum), 2))
# train
for epoch in trange(args.epoch_start, EpochNum + 1):
# shuffled_indexes[speaker_idx][idx]: value is index of NormalizedAllData[speaker_idx][**here**]
shuffled_indexes = [
myperm(SentenceNum[s], MaxSentenceNum) for s in range(SpeakerNum)
]
for n in range(MaxSentenceNum // BatchSize):
# batchlist_mcep[speaker_idx][sentence_idx_in_batch]
batchlist_mcep = []
begin_idx = n * BatchSize
end_idx = begin_idx + BatchSize # not include @ end_idx
for s in range(SpeakerNum):
batch_tmp = []
for idx in shuffled_indexes[s][begin_idx:end_idx]:
batch_tmp.append(
NormalizedAllData[s][idx].T) # Transpose here!!
batchlist_mcep.append(batch_tmp)
# Convert batchlist into a list of arrays
X = [batchlist2array(batchlist) for batchlist in batchlist_mcep]
xin = [
chainer.Variable(xp.asarray(Xs, dtype=np.float32)) for Xs in X
]
# Iterate through all speaker pairs
random.shuffle(AllCombinationPairs)
for s0, s1 in AllCombinationPairs:
AdvLoss_d, AdvLoss_g, ClsLoss_r, ClsLoss_f, CycLoss, RecLoss \
= loss.calc_loss(xin[s0], xin[s1], s0, s1, SpeakerNum)
gen_loss = (w_adv * AdvLoss_g + w_cls * ClsLoss_f +
w_cyc * CycLoss + w_rec * RecLoss)
cls_loss = ClsLoss_r
advdis_loss = AdvLoss_d
generator.cleargrads()
gen_loss.backward()
opt_gen.update()
classifier.cleargrads()
cls_loss.backward()
opt_cls.update()
adverserial_discriminator.cleargrads()
advdis_loss.backward()
opt_advdis.update()
print('epoch {}, mini-batch {}:'.format(epoch, n + 1))
print('AdvLoss_d={}, AdvLoss_g={}, ClsLoss_r={}, ClsLoss_f={}'.
format(AdvLoss_d.data, AdvLoss_g.data, ClsLoss_r.data,
ClsLoss_f.data))
print('CycLoss={}, RecLoss={}'.format(CycLoss.data, RecLoss.data))
save_loss(output_dir, AdvLoss_d.data, AdvLoss_g.data, ClsLoss_r.data,
ClsLoss_f.data, CycLoss.data, RecLoss.data)
if epoch % args.snapshot == 0:
snapshot_dir = output_dir / "snapshot"
snapshot_dir.mkdir(exist_ok=True)
snapshot(snapshot_dir, epoch, generator, classifier,
adverserial_discriminator)
snapshot_feature_dir = output_dir / "snapshot_feature"
snapshot_feature_dir.mkdir(exist_ok=True)
output = {}
with chainer.no_backprop_mode():
identity = np.identity(SpeakerNum)
for s in range(SpeakerNum):
speaker_vec = chainer.Variable(
xp.asarray(identity[s], dtype=np.float32))
for key, mcep in zip(SpeakerIndividualKeys[s],
NormalizedAllData[s]):
mcep_T = mcep.T
out = generator.hidden_layer(
chainer.Variable(
xp.asarray(mcep_T[np.newaxis, :, :],
dtype=np.float32)), speaker_vec)
out = np.squeeze(cuda.to_cpu(out.data))
output[key] = out.T
np.savez(
snapshot_feature_dir /
f"{output_file.stem}_epoch_{epoch:05}.npz", **output)
# output final result
output = {}
with chainer.no_backprop_mode():
identity = np.identity(SpeakerNum)
for s in range(SpeakerNum):
speaker_vec = chainer.Variable(
xp.asarray(identity[s], dtype=np.float32))
for key, mcep in zip(SpeakerIndividualKeys[s],
NormalizedAllData[s]):
mcep_T = mcep.T
out = generator.hidden_layer(
chainer.Variable(
xp.asarray(mcep_T[np.newaxis, :, :],
dtype=np.float32)), speaker_vec)
out = np.squeeze(cuda.to_cpu(out.data))
output[key] = out.T
np.savez(output_file, **output)