| | |
| | | nbest: int = 1, |
| | | frontend_conf: dict = None, |
| | | hotword_list_or_file: str = None, |
| | | clas_scale: float = 1.0, |
| | | decoding_ind: int = 0, |
| | | **kwargs, |
| | | ): |
| | |
| | | # 6. [Optional] Build hotword list from str, local file or url |
| | | self.hotword_list = None |
| | | self.hotword_list = self.generate_hotwords_list(hotword_list_or_file) |
| | | self.clas_scale = clas_scale |
| | | |
| | | is_use_lm = lm_weight != 0.0 and lm_file is not None |
| | | if (ctc_weight == 0.0 or asr_model.ctc == None) and not is_use_lm: |
| | |
| | | pre_token_length = pre_token_length.round().long() |
| | | if torch.max(pre_token_length) < 1: |
| | | return [] |
| | | if not isinstance(self.asr_model, ContextualParaformer) and not isinstance(self.asr_model, |
| | | NeatContextualParaformer): |
| | | if not isinstance(self.asr_model, ContextualParaformer) and \ |
| | | not isinstance(self.asr_model, NeatContextualParaformer): |
| | | if self.hotword_list: |
| | | logging.warning("Hotword is given but asr model is not a ContextualParaformer.") |
| | | decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, |
| | | pre_token_length) |
| | | decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1] |
| | | else: |
| | | decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, |
| | | pre_token_length, hw_list=self.hotword_list) |
| | | decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, |
| | | enc_len, |
| | | pre_acoustic_embeds, |
| | | pre_token_length, |
| | | hw_list=self.hotword_list, |
| | | clas_scale=self.clas_scale) |
| | | decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1] |
| | | |
| | | if isinstance(self.asr_model, BiCifParaformer): |
| | |
| | | export_mode = param_dict.get("export_mode", False) |
| | | else: |
| | | hotword_list_or_file = None |
| | | clas_scale = param_dict.get('clas_scale', 1.0) |
| | | |
| | | if kwargs.get("device", None) == "cpu": |
| | | ngpu = 0 |
| | |
| | | penalty=penalty, |
| | | nbest=nbest, |
| | | hotword_list_or_file=hotword_list_or_file, |
| | | clas_sacle=clas_scale, |
| | | ) |
| | | |
| | | speech2text = Speech2TextParaformer(**speech2text_kwargs) |
| | |
| | | ys_in_pad: torch.Tensor, |
| | | ys_in_lens: torch.Tensor, |
| | | contextual_info: torch.Tensor, |
| | | clas_scale: float = 1.0, |
| | | return_hidden: bool = False, |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Forward decoder. |
| | |
| | | cx, tgt_mask, _, _, _ = self.bias_decoder(x_self_attn, tgt_mask, contextual_info, memory_mask=contextual_mask) |
| | | |
| | | if self.bias_output is not None: |
| | | x = torch.cat([x_src_attn, cx], dim=2) |
| | | x = torch.cat([x_src_attn, cx*clas_scale], dim=2) |
| | | x = self.bias_output(x.transpose(1, 2)).transpose(1, 2) # 2D -> D |
| | | x = x_self_attn + self.dropout(x) |
| | | |
| | |
| | | input_mask_expand_dim, 0) |
| | | return sematic_embeds * tgt_mask, decoder_out * tgt_mask |
| | | |
| | | def cal_decoder_with_predictor(self, encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens, hw_list=None): |
| | | def cal_decoder_with_predictor(self, encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens, hw_list=None, clas_scale=1.0): |
| | | if hw_list is None: |
| | | hw_list = [torch.Tensor([1]).long().to(encoder_out.device)] # empty hotword list |
| | | hw_list_pad = pad_list(hw_list, 0) |
| | |
| | | hw_embed = h_n.repeat(encoder_out.shape[0], 1, 1) |
| | | |
| | | decoder_outs = self.decoder( |
| | | encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens, contextual_info=hw_embed |
| | | encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens, contextual_info=hw_embed, clas_scale=clas_scale |
| | | ) |
| | | decoder_out = decoder_outs[0] |
| | | decoder_out = torch.log_softmax(decoder_out, dim=-1) |