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import os
import re
import json
import torch
import librosa
import soundfile
import torchaudio
import numpy as np
import torch.nn as nn
from tqdm import tqdm
import torch
from . import utils
from . import commons
from .models import SynthesizerTrn
from .split_utils import split_sentence
from .mel_processing import spectrogram_torch, spectrogram_torch_conv
from .download_utils import load_or_download_config, load_or_download_model
class TTS(nn.Module):
def __init__(self,
language,
device='auto',
use_hf=True,
config_path=None,
ckpt_path=None):
super().__init__()
if device == 'auto':
device = 'cpu'
if torch.cuda.is_available(): device = 'cuda'
if torch.backends.mps.is_available(): device = 'mps'
if 'cuda' in device:
assert torch.cuda.is_available()
# config_path =
hps = load_or_download_config(language, use_hf=use_hf, config_path=config_path)
num_languages = hps.num_languages
num_tones = hps.num_tones
symbols = hps.symbols
model = SynthesizerTrn(
len(symbols),
hps.data.filter_length // 2 + 1,
hps.train.segment_size // hps.data.hop_length,
n_speakers=hps.data.n_speakers,
num_tones=num_tones,
num_languages=num_languages,
**hps.model,
).to(device)
model.eval()
self.model = model
self.symbol_to_id = {s: i for i, s in enumerate(symbols)}
self.hps = hps
self.device = device
# load state_dict
checkpoint_dict = load_or_download_model(language, device, use_hf=use_hf, ckpt_path=ckpt_path)
self.model.load_state_dict(checkpoint_dict['model'], strict=True)
language = language.split('_')[0]
self.language = 'ZH_MIX_EN' if language == 'ZH' else language # we support a ZH_MIX_EN model
@staticmethod
def audio_numpy_concat(segment_data_list, sr, speed=1.):
audio_segments = []
for segment_data in segment_data_list:
audio_segments += segment_data.reshape(-1).tolist()
audio_segments += [0] * int((sr * 0.05) / speed)
audio_segments = np.array(audio_segments).astype(np.float32)
return audio_segments
@staticmethod
def split_sentences_into_pieces(text, language, quiet=False):
texts = split_sentence(text, language_str=language)
if not quiet:
print(" > Text split to sentences.")
print('\n'.join(texts))
print(" > ===========================")
return texts
def tts_to_file(self, text, speaker_id, output_path=None, sdp_ratio=0.2, noise_scale=0.6, noise_scale_w=0.8, speed=1.0, pbar=None, format=None, position=None, quiet=False,):
language = self.language
texts = self.split_sentences_into_pieces(text, language, quiet)
audio_list = []
if pbar:
tx = pbar(texts)
else:
if position:
tx = tqdm(texts, position=position)
elif quiet:
tx = texts
else:
tx = tqdm(texts)
for t in tx:
if language in ['EN', 'ZH_MIX_EN']:
t = re.sub(r'([a-z])([A-Z])', r'\1 \2', t)
device = self.device
bert, ja_bert, phones, tones, lang_ids = utils.get_text_for_tts_infer(t, language, self.hps, device, self.symbol_to_id)
with torch.no_grad():
x_tst = phones.to(device).unsqueeze(0)
tones = tones.to(device).unsqueeze(0)
lang_ids = lang_ids.to(device).unsqueeze(0)
bert = bert.to(device).unsqueeze(0)
ja_bert = ja_bert.to(device).unsqueeze(0)
x_tst_lengths = torch.LongTensor([phones.size(0)]).to(device)
del phones
speakers = torch.LongTensor([speaker_id]).to(device)
audio = self.model.infer(
x_tst,
x_tst_lengths,
speakers,
tones,
lang_ids,
bert,
ja_bert,
sdp_ratio=sdp_ratio,
noise_scale=noise_scale,
noise_scale_w=noise_scale_w,
length_scale=1. / speed,
)[0][0, 0].data.cpu().float().numpy()
del x_tst, tones, lang_ids, bert, ja_bert, x_tst_lengths, speakers
#
audio_list.append(audio)
torch.cuda.empty_cache()
audio = self.audio_numpy_concat(audio_list, sr=self.hps.data.sampling_rate, speed=speed)
if output_path is None:
return audio
else:
if format:
soundfile.write(output_path, audio, self.hps.data.sampling_rate, format=format)
else:
soundfile.write(output_path, audio, self.hps.data.sampling_rate)
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