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import torch
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import os
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import json
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import math
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import torch
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from torch import nn
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from torch.nn import functional as F
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import commons
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import utils
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from text import text_to_sequence
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from bertfe import BERTFrontEnd
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from moji.moji import TorchMoji
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from stft import TorchSTFT
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from text.cleaners import arpa_cleaners
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from text import cleaned_text_to_sequence
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class TSVITSFE:
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# device can be cpu or cuda
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def load(self, model_path, config_path, device, bert_model_name = "huawei-noah/TinyBERT_General_4L_312D"):
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self.model = torch.jit.load(model_path).to(device)
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self.moji = TorchMoji(verbose=True)
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self.bert_f = BERTFrontEnd("cuda" in device, model_name=bert_model_name)
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self.hps = utils.get_hparams_from_file(config_path)
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self.stft = TorchSTFT(self.hps.model.gen_istft_n_fft, hop_length= self.hps.model.gen_istft_hop_size,
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win_length=self.hps.model.gen_istft_n_fft).to(device)
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self.device = device
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def get_arpa_text(self, text):
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text_pre = arpa_cleaners(text)
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text_norm = cleaned_text_to_sequence(text_pre)
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if self.hps.data.add_blank:
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text_norm = commons.intersperse(text_norm, 0)
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text_norm = torch.LongTensor(text_norm)
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return text_norm
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def get_text(self, text):
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text_norm = text_to_sequence(text, self.hps.data.text_cleaners)
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if self.hps.data.add_blank:
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text_norm = commons.intersperse(text_norm, 0)
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text_norm = torch.LongTensor(text_norm)
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return text_norm
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# Inference
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# in_em = Input to the emotion predictor. Default empty, where it will use same as text
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def infer(self,in_text, in_em = "", in_speed = 1.):
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if "arpa_cleaners" in self.hps.data.text_cleaners:
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stn_tst = self.get_arpa_text(in_text)
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else:
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stn_tst = self.get_text(in_text)
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if len(in_em) == 0:
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in_em = in_text
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with torch.no_grad():
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x_tst = stn_tst.unsqueeze(0).to(self.device)
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x_tst_lengths = torch.LongTensor([stn_tst.size(0)]).to(self.device)
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len_scale = torch.FloatTensor([in_speed]).to(self.device)
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em = self.moji(in_em).squeeze().unsqueeze(0).to(self.device) # [1, 1, 2304] -> [2304] -> [1, 2304]
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bert_emb, _ = self.bert_f.infer(in_text) # [1, tokens, channels]
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bert_emb = bert_emb.to(self.device)
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bert_lens = torch.LongTensor([bert_emb.size(1)]).to(self.device)
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spec, phase, x1, attn = self.model.infer_ts_noistft(x_tst, x_tst_lengths, em, bert_emb, bert_lens, len_scale)
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audio = self.stft.inverse(spec, phase)
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audio = audio.squeeze().cpu().data.float().numpy()
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return audio
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