| | |
| | | import logging |
| | | import sys |
| | | import time |
| | | import os |
| | | import codecs |
| | | import tempfile |
| | | import requests |
| | | from pathlib import Path |
| | | from typing import Optional |
| | | from typing import Sequence |
| | |
| | | from funasr.utils import asr_utils, wav_utils, postprocess_utils |
| | | from funasr.models.frontend.wav_frontend import WavFrontend |
| | | from funasr.tasks.vad import VADTask |
| | | from funasr.utils.timestamp_tools import time_stamp_lfr6, time_stamp_lfr6_pl |
| | | from funasr.bin.vad_inference import Speech2VadSegment |
| | | from funasr.utils.timestamp_tools import time_stamp_sentence, ts_prediction_lfr6_standard |
| | | from funasr.bin.punctuation_infer import Text2Punc |
| | | from funasr.models.e2e_asr_paraformer import BiCifParaformer |
| | | from funasr.models.e2e_asr_paraformer import BiCifParaformer, ContextualParaformer |
| | | |
| | | |
| | | header_colors = '\033[95m' |
| | | end_colors = '\033[0m' |
| | |
| | | penalty: float = 0.0, |
| | | nbest: int = 1, |
| | | frontend_conf: dict = None, |
| | | hotword_list_or_file: str = None, |
| | | **kwargs, |
| | | ): |
| | | assert check_argument_types() |
| | |
| | | self.asr_train_args = asr_train_args |
| | | self.converter = converter |
| | | self.tokenizer = tokenizer |
| | | |
| | | # 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) |
| | | |
| | | 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: |
| | | beam_search = None |
| | |
| | | if asr_train_args.encoder_conf["input_layer"] == "conv2d": |
| | | self.encoder_downsampling_factor = 4 |
| | | |
| | | |
| | | |
| | | @torch.no_grad() |
| | | def __call__( |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None, begin_time: int = 0, end_time: int = None, |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None, |
| | | begin_time: int = 0, end_time: int = None, |
| | | ): |
| | | """Inference |
| | | |
| | |
| | | enc_len_batch_total = torch.sum(enc_len).item() * self.encoder_downsampling_factor |
| | | |
| | | predictor_outs = self.asr_model.calc_predictor(enc, enc_len) |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = predictor_outs[0], predictor_outs[1], predictor_outs[2], predictor_outs[3] |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = predictor_outs[0], predictor_outs[1], \ |
| | | predictor_outs[2], predictor_outs[3] |
| | | pre_token_length = pre_token_length.round().long() |
| | | if torch.max(pre_token_length) < 1: |
| | | return [] |
| | | |
| | | if not isinstance(self.asr_model, ContextualParaformer): |
| | | 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_out, ys_pad_lens = decoder_outs[0], decoder_outs[1] |
| | | |
| | | if isinstance(self.asr_model, BiCifParaformer): |
| | | _, _, us_alphas, us_cif_peak = self.asr_model.calc_predictor_timestamp(enc, enc_len, |
| | | _, _, us_alphas, us_peaks = self.asr_model.calc_predictor_timestamp(enc, enc_len, |
| | | pre_token_length) # test no bias cif2 |
| | | |
| | | results = [] |
| | |
| | | text = None |
| | | |
| | | if isinstance(self.asr_model, BiCifParaformer): |
| | | timestamp = time_stamp_lfr6_pl(us_alphas[i], us_cif_peak[i], copy.copy(token), begin_time, end_time) |
| | | _, timestamp = ts_prediction_lfr6_standard(us_alphas[i], |
| | | us_peaks[i], |
| | | copy.copy(token), |
| | | vad_offset=begin_time) |
| | | results.append((text, token, token_int, timestamp, enc_len_batch_total, lfr_factor)) |
| | | else: |
| | | time_stamp = time_stamp_lfr6(alphas[i:i + 1, ], enc_len[i:i + 1, ], copy.copy(token), begin_time, end_time) |
| | | results.append((text, token, token_int, time_stamp, enc_len_batch_total, lfr_factor)) |
| | | results.append((text, token, token_int, enc_len_batch_total, lfr_factor)) |
| | | |
| | | # assert check_return_type(results) |
| | | return results |
| | | |
| | | class Speech2VadSegment: |
| | | """Speech2VadSegment class |
| | | |
| | | Examples: |
| | | >>> import soundfile |
| | | >>> speech2segment = Speech2VadSegment("vad_config.yml", "vad.pt") |
| | | >>> audio, rate = soundfile.read("speech.wav") |
| | | >>> speech2segment(audio) |
| | | [[10, 230], [245, 450], ...] |
| | | |
| | | """ |
| | | |
| | | def __init__( |
| | | self, |
| | | vad_infer_config: Union[Path, str] = None, |
| | | vad_model_file: Union[Path, str] = None, |
| | | vad_cmvn_file: Union[Path, str] = None, |
| | | device: str = "cpu", |
| | | batch_size: int = 1, |
| | | dtype: str = "float32", |
| | | **kwargs, |
| | | ): |
| | | assert check_argument_types() |
| | | |
| | | # 1. Build vad model |
| | | vad_model, vad_infer_args = VADTask.build_model_from_file( |
| | | vad_infer_config, vad_model_file, device |
| | | ) |
| | | frontend = None |
| | | if vad_infer_args.frontend is not None: |
| | | frontend = WavFrontend(cmvn_file=vad_cmvn_file, **vad_infer_args.frontend_conf) |
| | | |
| | | # logging.info("vad_model: {}".format(vad_model)) |
| | | # logging.info("vad_infer_args: {}".format(vad_infer_args)) |
| | | vad_model.to(dtype=getattr(torch, dtype)).eval() |
| | | |
| | | self.vad_model = vad_model |
| | | self.vad_infer_args = vad_infer_args |
| | | self.device = device |
| | | self.dtype = dtype |
| | | self.frontend = frontend |
| | | |
| | | @torch.no_grad() |
| | | def __call__( |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None |
| | | ) -> List[List[int]]: |
| | | """Inference |
| | | |
| | | Args: |
| | | speech: Input speech data |
| | | Returns: |
| | | text, token, token_int, hyp |
| | | |
| | | """ |
| | | assert check_argument_types() |
| | | |
| | | # Input as audio signal |
| | | if isinstance(speech, np.ndarray): |
| | | speech = torch.tensor(speech) |
| | | |
| | | if self.frontend is not None: |
| | | 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() |
| | | def generate_hotwords_list(self, hotword_list_or_file): |
| | | # for None |
| | | if hotword_list_or_file is None: |
| | | hotword_list = None |
| | | # for local txt inputs |
| | | elif os.path.exists(hotword_list_or_file) and hotword_list_or_file.endswith('.txt'): |
| | | logging.info("Attempting to parse hotwords from local txt...") |
| | | hotword_list = [] |
| | | hotword_str_list = [] |
| | | with codecs.open(hotword_list_or_file, 'r') as fin: |
| | | for line in fin.readlines(): |
| | | hw = line.strip() |
| | | hotword_str_list.append(hw) |
| | | hotword_list.append(self.converter.tokens2ids([i for i in hw])) |
| | | hotword_list.append([self.asr_model.sos]) |
| | | hotword_str_list.append('<s>') |
| | | logging.info("Initialized hotword list from file: {}, hotword list: {}." |
| | | .format(hotword_list_or_file, hotword_str_list)) |
| | | # for url, download and generate txt |
| | | elif hotword_list_or_file.startswith('http'): |
| | | logging.info("Attempting to parse hotwords from url...") |
| | | work_dir = tempfile.TemporaryDirectory().name |
| | | if not os.path.exists(work_dir): |
| | | os.makedirs(work_dir) |
| | | text_file_path = os.path.join(work_dir, os.path.basename(hotword_list_or_file)) |
| | | local_file = requests.get(hotword_list_or_file) |
| | | open(text_file_path, "wb").write(local_file.content) |
| | | hotword_list_or_file = text_file_path |
| | | hotword_list = [] |
| | | hotword_str_list = [] |
| | | with codecs.open(hotword_list_or_file, 'r') as fin: |
| | | for line in fin.readlines(): |
| | | hw = line.strip() |
| | | hotword_str_list.append(hw) |
| | | hotword_list.append(self.converter.tokens2ids([i for i in hw])) |
| | | hotword_list.append([self.asr_model.sos]) |
| | | hotword_str_list.append('<s>') |
| | | logging.info("Initialized hotword list from file: {}, hotword list: {}." |
| | | .format(hotword_list_or_file, hotword_str_list)) |
| | | # for text str input |
| | | elif not hotword_list_or_file.endswith('.txt'): |
| | | logging.info("Attempting to parse hotwords as str...") |
| | | hotword_list = [] |
| | | hotword_str_list = [] |
| | | for hw in hotword_list_or_file.strip().split(): |
| | | hotword_str_list.append(hw) |
| | | hotword_list.append(self.converter.tokens2ids([i for i in hw])) |
| | | hotword_list.append([self.asr_model.sos]) |
| | | hotword_str_list.append('<s>') |
| | | logging.info("Hotword list: {}.".format(hotword_str_list)) |
| | | 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 fbanks, segments |
| | | |
| | | hotword_list = None |
| | | return hotword_list |
| | | |
| | | |
| | | def inference( |
| | |
| | | punc_model_file: Optional[str] = None, |
| | | **kwargs, |
| | | ): |
| | | |
| | | inference_pipeline = inference_modelscope( |
| | | maxlenratio=maxlenratio, |
| | | minlenratio=minlenratio, |
| | |
| | | **kwargs, |
| | | ) |
| | | return inference_pipeline(data_path_and_name_and_type, raw_inputs) |
| | | |
| | | |
| | | def inference_modelscope( |
| | | maxlenratio: float, |
| | |
| | | format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s", |
| | | ) |
| | | |
| | | if param_dict is not None: |
| | | hotword_list_or_file = param_dict.get('hotword') |
| | | else: |
| | | hotword_list_or_file = None |
| | | |
| | | if ngpu >= 1 and torch.cuda.is_available(): |
| | | device = "cuda" |
| | | else: |
| | |
| | | ngram_weight=ngram_weight, |
| | | penalty=penalty, |
| | | nbest=nbest, |
| | | hotword_list_or_file=hotword_list_or_file, |
| | | ) |
| | | speech2text = Speech2Text(**speech2text_kwargs) |
| | | text2punc = None |
| | |
| | | output_dir_v2: Optional[str] = None, |
| | | fs: dict = None, |
| | | param_dict: dict = None, |
| | | **kwargs, |
| | | ): |
| | | |
| | | hotword_list_or_file = None |
| | | if param_dict is not None: |
| | | hotword_list_or_file = param_dict.get('hotword') |
| | | |
| | | if 'hotword' in kwargs: |
| | | hotword_list_or_file = kwargs['hotword'] |
| | | |
| | | if speech2text.hotword_list is None: |
| | | speech2text.hotword_list = speech2text.generate_hotwords_list(hotword_list_or_file) |
| | | |
| | | # 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): |
| | |
| | | if j == 0: |
| | | result_segments = result_cur |
| | | else: |
| | | result_segments = [[result_segments[0][i] + result_cur[0][i] for i in range(len(result_cur[0]))]] |
| | | result_segments = [ |
| | | [result_segments[0][i] + result_cur[0][i] for i in range(len(result_cur[0]))]] |
| | | |
| | | key = keys[0] |
| | | result = result_segments[0] |
| | | text, token, token_int = result[0], result[1], result[2] |
| | | time_stamp = None if len(result) < 4 else result[3] |
| | | |
| | | |
| | | if use_timestamp and time_stamp is not None: |
| | | postprocessed_result = postprocess_utils.sentence_postprocess(token, time_stamp) |
| | |
| | | text_postprocessed, word_lists = postprocessed_result[0], postprocessed_result[1] |
| | | |
| | | text_postprocessed_punc = text_postprocessed |
| | | punc_id_list = [] |
| | | if len(word_lists) > 0 and text2punc is not None: |
| | | text_postprocessed_punc, punc_id_list = text2punc(word_lists, 20) |
| | | |
| | |
| | | item['text_postprocessed'] = text_postprocessed |
| | | if time_stamp_postprocessed != "": |
| | | item['time_stamp'] = time_stamp_postprocessed |
| | | |
| | | item['sentences'] = time_stamp_sentence(punc_id_list, time_stamp_postprocessed, text_postprocessed) |
| | | |
| | | asr_result_list.append(item) |
| | | finish_count += 1 |
| | |
| | | |
| | | logging.info("decoding, utt: {}, predictions: {}".format(key, text_postprocessed_punc)) |
| | | return asr_result_list |
| | | |
| | | return _forward |
| | | |
| | | |
| | | def get_parser(): |
| | | parser = config_argparse.ArgumentParser( |
| | | description="ASR Decoding", |