| | |
| | | import argparse |
| | | import logging |
| | | import os |
| | | import sys |
| | | import json |
| | | from pathlib import Path |
| | | from typing import Any |
| | | from typing import List |
| | |
| | | from typing import Union |
| | | from typing import Dict |
| | | |
| | | import math |
| | | import numpy as np |
| | | import torch |
| | | from typeguard import check_argument_types |
| | |
| | | self.device = device |
| | | self.dtype = dtype |
| | | self.frontend = frontend |
| | | self.batch_size = batch_size |
| | | |
| | | @torch.no_grad() |
| | | def __call__( |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None |
| | | ) -> List[List[int]]: |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None, |
| | | in_cache: Dict[str, torch.Tensor] = dict() |
| | | ) -> Tuple[List[List[int]], Dict[str, torch.Tensor]]: |
| | | """Inference |
| | | |
| | | Args: |
| | |
| | | speech = torch.tensor(speech) |
| | | |
| | | if self.frontend is not None: |
| | | feats, feats_len = self.frontend.forward(speech, speech_lengths) |
| | | self.frontend.filter_length_max = math.inf |
| | | fbanks, fbanks_len = self.frontend.forward_fbank(speech, speech_lengths) |
| | | feats, feats_len = self.frontend.forward_lfr_cmvn(fbanks, fbanks_len) |
| | | fbanks = to_device(fbanks, device=self.device) |
| | | feats = to_device(feats, device=self.device) |
| | | feats_len = feats_len.int() |
| | | else: |
| | | raise Exception("Need to extract feats first, please configure frontend configuration") |
| | | batch = {"feats": feats, "feats_lengths": feats_len, "waveform": speech} |
| | | |
| | | # a. To device |
| | | batch = to_device(batch, device=self.device) |
| | | |
| | | # b. Forward Encoder |
| | | segments = self.vad_model(**batch) |
| | | |
| | | return segments |
| | | |
| | | |
| | | #def inference( |
| | | # batch_size: int, |
| | | # ngpu: int, |
| | | # log_level: Union[int, str], |
| | | # data_path_and_name_and_type, |
| | | # vad_infer_config: Optional[str], |
| | | # vad_model_file: Optional[str], |
| | | # vad_cmvn_file: Optional[str] = None, |
| | | # raw_inputs: Union[np.ndarray, torch.Tensor] = None, |
| | | # key_file: Optional[str] = None, |
| | | # allow_variable_data_keys: bool = False, |
| | | # output_dir: Optional[str] = None, |
| | | # dtype: str = "float32", |
| | | # seed: int = 0, |
| | | # num_workers: int = 1, |
| | | # fs: Union[dict, int] = 16000, |
| | | # **kwargs, |
| | | #): |
| | | # assert check_argument_types() |
| | | # if batch_size > 1: |
| | | # raise NotImplementedError("batch decoding is not implemented") |
| | | # if ngpu > 1: |
| | | # raise NotImplementedError("only single GPU decoding is supported") |
| | | # |
| | | # logging.basicConfig( |
| | | # level=log_level, |
| | | # format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s", |
| | | # ) |
| | | # |
| | | # if ngpu >= 1 and torch.cuda.is_available(): |
| | | # device = "cuda" |
| | | # else: |
| | | # device = "cpu" |
| | | # |
| | | # # 1. Set random-seed |
| | | # set_all_random_seed(seed) |
| | | # |
| | | # # 2. Build speech2vadsegment |
| | | # speech2vadsegment_kwargs = dict( |
| | | # vad_infer_config=vad_infer_config, |
| | | # vad_model_file=vad_model_file, |
| | | # vad_cmvn_file=vad_cmvn_file, |
| | | # device=device, |
| | | # dtype=dtype, |
| | | # ) |
| | | # logging.info("speech2vadsegment_kwargs: {}".format(speech2vadsegment_kwargs)) |
| | | # speech2vadsegment = Speech2VadSegment(**speech2vadsegment_kwargs) |
| | | # # 3. Build data-iterator |
| | | # loader = VADTask.build_streaming_iterator( |
| | | # data_path_and_name_and_type, |
| | | # dtype=dtype, |
| | | # batch_size=batch_size, |
| | | # key_file=key_file, |
| | | # num_workers=num_workers, |
| | | # preprocess_fn=VADTask.build_preprocess_fn(speech2vadsegment.vad_infer_args, False), |
| | | # collate_fn=VADTask.build_collate_fn(speech2vadsegment.vad_infer_args, False), |
| | | # allow_variable_data_keys=allow_variable_data_keys, |
| | | # inference=True, |
| | | # ) |
| | | # |
| | | # finish_count = 0 |
| | | # file_count = 1 |
| | | # # 7 .Start for-loop |
| | | # # FIXME(kamo): The output format should be discussed about |
| | | # if output_dir is not None: |
| | | # writer = DatadirWriter(output_dir) |
| | | # else: |
| | | # writer = None |
| | | # |
| | | # vad_results = [] |
| | | # for keys, batch in loader: |
| | | # assert isinstance(batch, dict), type(batch) |
| | | # assert all(isinstance(s, str) for s in keys), keys |
| | | # _bs = len(next(iter(batch.values()))) |
| | | # assert len(keys) == _bs, f"{len(keys)} != {_bs}" |
| | | # # batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")} |
| | | # |
| | | # # do vad segment |
| | | # results = speech2vadsegment(**batch) |
| | | # for i, _ in enumerate(keys): |
| | | # item = {'key': keys[i], 'value': results[i]} |
| | | # vad_results.append(item) |
| | | # |
| | | # return vad_results |
| | | # b. Forward Encoder streaming |
| | | t_offset = 0 |
| | | step = min(feats_len.max(), 6000) |
| | | segments = [[]] * self.batch_size |
| | | for t_offset in range(0, feats_len, min(step, feats_len - t_offset)): |
| | | if t_offset + step >= feats_len - 1: |
| | | step = feats_len - t_offset |
| | | is_final = True |
| | | else: |
| | | is_final = False |
| | | batch = { |
| | | "feats": feats[:, t_offset:t_offset + step, :], |
| | | "waveform": speech[:, t_offset * 160:min(speech.shape[-1], (t_offset + step - 1) * 160 + 400)], |
| | | "is_final": is_final, |
| | | "in_cache": in_cache |
| | | } |
| | | # a. To device |
| | | batch = to_device(batch, device=self.device) |
| | | segments_part, in_cache = self.vad_model(**batch) |
| | | if segments_part: |
| | | for batch_num in range(0, self.batch_size): |
| | | segments[batch_num] += segments_part[batch_num] |
| | | return fbanks, segments |
| | | |
| | | |
| | | def inference( |
| | |
| | | ) |
| | | return inference_pipeline(data_path_and_name_and_type, raw_inputs) |
| | | |
| | | |
| | | def inference_modelscope( |
| | | batch_size: int, |
| | | ngpu: int, |
| | | log_level: Union[int, str], |
| | | #data_path_and_name_and_type, |
| | | # data_path_and_name_and_type, |
| | | vad_infer_config: Optional[str], |
| | | vad_model_file: Optional[str], |
| | | vad_cmvn_file: Optional[str] = None, |
| | |
| | | speech2vadsegment = Speech2VadSegment(**speech2vadsegment_kwargs) |
| | | |
| | | def _forward( |
| | | data_path_and_name_and_type, |
| | | raw_inputs: Union[np.ndarray, torch.Tensor] = None, |
| | | output_dir_v2: Optional[str] = None, |
| | | data_path_and_name_and_type, |
| | | raw_inputs: Union[np.ndarray, torch.Tensor] = None, |
| | | output_dir_v2: Optional[str] = None, |
| | | fs: dict = None, |
| | | param_dict: dict = None |
| | | ): |
| | | # 3. Build data-iterator |
| | | if data_path_and_name_and_type is None and raw_inputs is not None: |
| | | if isinstance(raw_inputs, torch.Tensor): |
| | | raw_inputs = raw_inputs.numpy() |
| | | data_path_and_name_and_type = [raw_inputs, "speech", "waveform"] |
| | | loader = VADTask.build_streaming_iterator( |
| | | data_path_and_name_and_type, |
| | | dtype=dtype, |
| | |
| | | assert all(isinstance(s, str) for s in keys), keys |
| | | _bs = len(next(iter(batch.values()))) |
| | | assert len(keys) == _bs, f"{len(keys)} != {_bs}" |
| | | # batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")} |
| | | |
| | | # do vad segment |
| | | results = speech2vadsegment(**batch) |
| | | _, results = speech2vadsegment(**batch) |
| | | for i, _ in enumerate(keys): |
| | | if "MODELSCOPE_ENVIRONMENT" in os.environ and os.environ["MODELSCOPE_ENVIRONMENT"] == "eas": |
| | | results[i] = json.dumps(results[i]) |
| | | item = {'key': keys[i], 'value': results[i]} |
| | | vad_results.append(item) |
| | | if writer is not None: |
| | | results[i] = json.loads(results[i]) |
| | | ibest_writer["text"][keys[i]] = "{}".format(results[i]) |
| | | |
| | | return vad_results |