| | |
| | | from typing import Sequence |
| | | from typing import Tuple |
| | | from typing import Union |
| | | from typing import Dict |
| | | from typing import Any |
| | | from typing import List |
| | | |
| | | import numpy as np |
| | | import torch |
| | |
| | | from funasr.utils.types import str2bool |
| | | from funasr.utils.types import str2triple_str |
| | | from funasr.utils.types import str_or_none |
| | | from funasr.utils import asr_utils, wav_utils, postprocess_utils |
| | | from funasr.models.frontend.wav_frontend import WavFrontend |
| | | |
| | | from modelscope.utils.logger import get_logger |
| | | |
| | | logger = get_logger() |
| | | |
| | | header_colors = '\033[95m' |
| | | end_colors = '\033[0m' |
| | | |
| | | global_asr_language: str = 'zh-cn' |
| | | global_sample_rate: Union[int, Dict[Any, int]] = { |
| | | 'audio_fs': 16000, |
| | | 'model_fs': 16000 |
| | | } |
| | | |
| | | class Speech2Text: |
| | | """Speech2Text class |
| | |
| | | ngram_weight: float = 0.9, |
| | | penalty: float = 0.0, |
| | | nbest: int = 1, |
| | | frontend_conf: dict = None, |
| | | **kwargs, |
| | | ): |
| | | assert check_argument_types() |
| | |
| | | asr_model, asr_train_args = ASRTask.build_model_from_file( |
| | | asr_train_config, asr_model_file, device |
| | | ) |
| | | if asr_model.frontend is None and frontend_conf is not None: |
| | | frontend = WavFrontend(**frontend_conf) |
| | | asr_model.frontend = frontend |
| | | logging.info("asr_model: {}".format(asr_model)) |
| | | logging.info("asr_train_args: {}".format(asr_train_args)) |
| | | asr_model.to(dtype=getattr(torch, dtype)).eval() |
| | |
| | | self.asr_train_args = asr_train_args |
| | | self.converter = converter |
| | | self.tokenizer = tokenizer |
| | | has_lm = lm_weight == 0.0 or lm_file is None |
| | | if ctc_weight == 0.0 and has_lm: |
| | | beam_search = None |
| | | self.beam_search = beam_search |
| | | self.beam_search_transducer = beam_search_transducer |
| | | self.maxlenratio = maxlenratio |
| | |
| | | |
| | | @torch.no_grad() |
| | | def __call__( |
| | | self, speech: Union[torch.Tensor, np.ndarray] |
| | | self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None |
| | | ): |
| | | """Inference |
| | | |
| | | Args: |
| | | data: Input speech data |
| | | speech: Input speech data |
| | | Returns: |
| | | text, token, token_int, hyp |
| | | |
| | |
| | | speech = torch.tensor(speech) |
| | | |
| | | # data: (Nsamples,) -> (1, Nsamples) |
| | | speech = speech.unsqueeze(0).to(getattr(torch, self.dtype)) |
| | | lfr_factor = max(1, (speech.size()[-1]//80)-1) |
| | | # lengths: (1,) |
| | | lengths = speech.new_full([1], dtype=torch.long, fill_value=speech.size(1)) |
| | | batch = {"speech": speech, "speech_lengths": lengths} |
| | | if len(speech.size()) < 3: |
| | | speech = speech.unsqueeze(0).to(getattr(torch, self.dtype)) |
| | | speech_lengths = speech.new_full([1], dtype=torch.long, fill_value=speech.size(1)) |
| | | lfr_factor = max(1, (speech.size()[-1]//80)-1) |
| | | |
| | | batch = {"speech": speech, "speech_lengths": speech_lengths} |
| | | |
| | | # a. To device |
| | | batch = to_device(batch, device=self.device) |
| | |
| | | enc, enc_len = self.asr_model.encode(**batch) |
| | | if isinstance(enc, tuple): |
| | | enc = enc[0] |
| | | assert len(enc) == 1, len(enc) |
| | | # assert len(enc) == 1, len(enc) |
| | | enc_len_batch_total = torch.sum(enc_len).item() |
| | | |
| | | predictor_outs = self.asr_model.calc_predictor(enc, enc_len) |
| | | pre_acoustic_embeds, pre_token_length = predictor_outs[0], predictor_outs[1] |
| | | pre_token_length = pre_token_length.long() |
| | | pre_token_length = pre_token_length.round().long() |
| | | 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] |
| | | |
| | | nbest_hyps = self.beam_search( |
| | | x=enc[0], am_scores=decoder_out[0], maxlenratio=self.maxlenratio, minlenratio=self.minlenratio |
| | | ) |
| | | |
| | | nbest_hyps = nbest_hyps[: self.nbest] |
| | | results = [] |
| | | for hyp in nbest_hyps: |
| | | assert isinstance(hyp, (Hypothesis)), type(hyp) |
| | | |
| | | # remove sos/eos and get results |
| | | last_pos = -1 |
| | | if isinstance(hyp.yseq, list): |
| | | token_int = hyp.yseq[1:last_pos] |
| | | b, n, d = decoder_out.size() |
| | | for i in range(b): |
| | | x = enc[i, :enc_len[i], :] |
| | | am_scores = decoder_out[i, :pre_token_length[i], :] |
| | | if self.beam_search is not None: |
| | | nbest_hyps = self.beam_search( |
| | | x=x, am_scores=am_scores, maxlenratio=self.maxlenratio, minlenratio=self.minlenratio |
| | | ) |
| | | |
| | | nbest_hyps = nbest_hyps[: self.nbest] |
| | | else: |
| | | token_int = hyp.yseq[1:last_pos].tolist() |
| | | |
| | | # remove blank symbol id, which is assumed to be 0 |
| | | token_int = list(filter(lambda x: x != 0, token_int)) |
| | | |
| | | # Change integer-ids to tokens |
| | | token = self.converter.ids2tokens(token_int) |
| | | |
| | | if self.tokenizer is not None: |
| | | text = self.tokenizer.tokens2text(token) |
| | | else: |
| | | text = None |
| | | |
| | | results.append((text, token, token_int, hyp, speech.size(1), lfr_factor)) |
| | | yseq = am_scores.argmax(dim=-1) |
| | | score = am_scores.max(dim=-1)[0] |
| | | score = torch.sum(score, dim=-1) |
| | | # pad with mask tokens to ensure compatibility with sos/eos tokens |
| | | yseq = torch.tensor( |
| | | [self.asr_model.sos] + yseq.tolist() + [self.asr_model.eos], device=yseq.device |
| | | ) |
| | | nbest_hyps = [Hypothesis(yseq=yseq, score=score)] |
| | | |
| | | for hyp in nbest_hyps: |
| | | assert isinstance(hyp, (Hypothesis)), type(hyp) |
| | | |
| | | # remove sos/eos and get results |
| | | last_pos = -1 |
| | | if isinstance(hyp.yseq, list): |
| | | token_int = hyp.yseq[1:last_pos] |
| | | else: |
| | | token_int = hyp.yseq[1:last_pos].tolist() |
| | | |
| | | # remove blank symbol id, which is assumed to be 0 |
| | | token_int = list(filter(lambda x: x != 0, token_int)) |
| | | |
| | | # Change integer-ids to tokens |
| | | token = self.converter.ids2tokens(token_int) |
| | | |
| | | if self.tokenizer is not None: |
| | | text = self.tokenizer.tokens2text(token) |
| | | else: |
| | | text = None |
| | | |
| | | results.append((text, token, token_int, hyp, enc_len_batch_total, lfr_factor)) |
| | | |
| | | # assert check_return_type(results) |
| | | return results |
| | | |
| | | |
| | | def inference( |
| | | output_dir: str, |
| | | maxlenratio: float, |
| | | minlenratio: float, |
| | | batch_size: int, |
| | | dtype: str, |
| | | beam_size: int, |
| | | ngpu: int, |
| | | seed: int, |
| | | ctc_weight: float, |
| | | lm_weight: float, |
| | | ngram_weight: float, |
| | | penalty: float, |
| | | nbest: int, |
| | | num_workers: int, |
| | | log_level: Union[int, str], |
| | | data_path_and_name_and_type: Sequence[Tuple[str, str, str]], |
| | | key_file: Optional[str], |
| | | data_path_and_name_and_type, |
| | | asr_train_config: Optional[str], |
| | | asr_model_file: Optional[str], |
| | | lm_train_config: Optional[str], |
| | | lm_file: Optional[str], |
| | | word_lm_train_config: Optional[str], |
| | | token_type: Optional[str], |
| | | bpemodel: Optional[str], |
| | | allow_variable_data_keys: bool, |
| | | audio_lists: Union[List[Any], bytes] = None, |
| | | lm_train_config: Optional[str] = None, |
| | | lm_file: Optional[str] = None, |
| | | token_type: Optional[str] = None, |
| | | key_file: Optional[str] = None, |
| | | word_lm_train_config: Optional[str] = None, |
| | | bpemodel: Optional[str] = None, |
| | | allow_variable_data_keys: bool = False, |
| | | streaming: bool = False, |
| | | output_dir: Optional[str] = None, |
| | | dtype: str = "float32", |
| | | seed: int = 0, |
| | | ngram_weight: float = 0.9, |
| | | nbest: int = 1, |
| | | num_workers: int = 1, |
| | | frontend_conf: dict = None, |
| | | fs: Union[dict, int] = 16000, |
| | | lang: Optional[str] = None, |
| | | **kwargs, |
| | | ): |
| | | assert check_argument_types() |
| | | if batch_size > 1: |
| | | raise NotImplementedError("batch decoding is not implemented") |
| | | |
| | | if word_lm_train_config is not None: |
| | | raise NotImplementedError("Word LM is not implemented") |
| | | if ngpu > 1: |
| | |
| | | device = "cuda" |
| | | else: |
| | | device = "cpu" |
| | | hop_length: int = 160 |
| | | sr: int = 16000 |
| | | if isinstance(fs, int): |
| | | sr = fs |
| | | else: |
| | | if 'model_fs' in fs and fs['model_fs'] is not None: |
| | | sr = fs['model_fs'] |
| | | # data_path_and_name_and_type for modelscope: (data from audio_lists) |
| | | # ['speech', 'sound', 'am.mvn'] |
| | | # data_path_and_name_and_type for funasr: |
| | | # [('/mnt/data/jiangyu.xzy/exp/maas/mvn.1.scp', 'speech', 'kaldi_ark')] |
| | | if isinstance(data_path_and_name_and_type[0], Tuple): |
| | | features_type: str = data_path_and_name_and_type[0][1] |
| | | elif isinstance(data_path_and_name_and_type[0], str): |
| | | features_type: str = data_path_and_name_and_type[1] |
| | | else: |
| | | raise NotImplementedError("unknown features type:{0}".format(data_path_and_name_and_type)) |
| | | if features_type != 'sound': |
| | | frontend_conf = None |
| | | flag_modelscope = False |
| | | else: |
| | | flag_modelscope = True |
| | | if frontend_conf is not None: |
| | | if 'hop_length' in frontend_conf: |
| | | hop_length = frontend_conf['hop_length'] |
| | | |
| | | finish_count = 0 |
| | | file_count = 1 |
| | | if flag_modelscope and not isinstance(data_path_and_name_and_type[0], Tuple): |
| | | data_path_and_name_and_type_new = [ |
| | | audio_lists, data_path_and_name_and_type[0], data_path_and_name_and_type[1] |
| | | ] |
| | | if isinstance(audio_lists, bytes): |
| | | file_count = 1 |
| | | else: |
| | | file_count = len(audio_lists) |
| | | if len(data_path_and_name_and_type) >= 3 and frontend_conf is not None: |
| | | mvn_file = data_path_and_name_and_type[2] |
| | | mvn_data = wav_utils.extract_CMVN_featrures(mvn_file) |
| | | frontend_conf['mvn_data'] = mvn_data |
| | | # 1. Set random-seed |
| | | set_all_random_seed(seed) |
| | | |
| | |
| | | ngram_weight=ngram_weight, |
| | | penalty=penalty, |
| | | nbest=nbest, |
| | | frontend_conf=frontend_conf, |
| | | ) |
| | | speech2text = Speech2Text(**speech2text_kwargs) |
| | | |
| | | # 3. Build data-iterator |
| | | loader = ASRTask.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=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False), |
| | | collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False), |
| | | allow_variable_data_keys=allow_variable_data_keys, |
| | | inference=True, |
| | | ) |
| | | if flag_modelscope: |
| | | loader = ASRTask.build_streaming_iterator_modelscope( |
| | | data_path_and_name_and_type_new, |
| | | dtype=dtype, |
| | | batch_size=batch_size, |
| | | key_file=key_file, |
| | | num_workers=num_workers, |
| | | preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False), |
| | | collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False), |
| | | allow_variable_data_keys=allow_variable_data_keys, |
| | | inference=True, |
| | | sample_rate=fs |
| | | ) |
| | | else: |
| | | loader = ASRTask.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=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False), |
| | | collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False), |
| | | allow_variable_data_keys=allow_variable_data_keys, |
| | | inference=True, |
| | | ) |
| | | |
| | | forward_time_total = 0.0 |
| | | length_total = 0.0 |
| | | # 7 .Start for-loop |
| | | # FIXME(kamo): The output format should be discussed about |
| | | with DatadirWriter(output_dir) as writer: |
| | | 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")} |
| | | asr_result_list = [] |
| | | if output_dir is not None: |
| | | writer = DatadirWriter(output_dir) |
| | | else: |
| | | writer = None |
| | | |
| | | logging.info("decoding, utt_id: {}".format(keys)) |
| | | # N-best list of (text, token, token_int, hyp_object) |
| | | 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 for k, v in batch.items() if not k.endswith("_lengths")} |
| | | |
| | | try: |
| | | time_beg = time.time() |
| | | results = speech2text(**batch) |
| | | time_end = time.time() |
| | | forward_time = time_end - time_beg |
| | | lfr_factor = results[0][-1] |
| | | length = results[0][-2] |
| | | results = [results[0][:-2]] |
| | | forward_time_total += forward_time |
| | | length_total += length |
| | | logging.info( |
| | | "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}". |
| | | format(length, forward_time, 100 * forward_time / (length*lfr_factor))) |
| | | except TooShortUttError as e: |
| | | logging.warning(f"Utterance {keys} {e}") |
| | | hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[]) |
| | | results = [[" ", ["<space>"], [2], hyp]] * nbest |
| | | logging.info("decoding, utt_id: {}".format(keys)) |
| | | # N-best list of (text, token, token_int, hyp_object) |
| | | |
| | | # Only supporting batch_size==1 |
| | | key = keys[0] |
| | | for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results): |
| | | time_beg = time.time() |
| | | results = speech2text(**batch) |
| | | time_end = time.time() |
| | | forward_time = time_end - time_beg |
| | | lfr_factor = results[0][-1] |
| | | length = results[0][-2] |
| | | forward_time_total += forward_time |
| | | length_total += length |
| | | logging.info( |
| | | "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}". |
| | | format(length, forward_time, 100 * forward_time / (length*lfr_factor))) |
| | | |
| | | for batch_id in range(len(results)): |
| | | result = [results[batch_id][:-2]] |
| | | |
| | | key = keys[batch_id] |
| | | for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), result): |
| | | # Create a directory: outdir/{n}best_recog |
| | | ibest_writer = writer[f"{n}best_recog"] |
| | | |
| | | # Write the result to each file |
| | | ibest_writer["token"][key] = " ".join(token) |
| | | ibest_writer["token_int"][key] = " ".join(map(str, token_int)) |
| | | ibest_writer["score"][key] = str(hyp.score) |
| | | |
| | | if writer is not None: |
| | | ibest_writer = writer[f"{n}best_recog"] |
| | | |
| | | # Write the result to each file |
| | | ibest_writer["token"][key] = " ".join(token) |
| | | ibest_writer["token_int"][key] = " ".join(map(str, token_int)) |
| | | ibest_writer["score"][key] = str(hyp.score) |
| | | |
| | | if text is not None: |
| | | ibest_writer["text"][key] = text |
| | | |
| | | logging.info("decoding, predictions: {}".format(text)) |
| | | text_postprocessed = postprocess_utils.sentence_postprocess(token) |
| | | item = {'key': key, 'value': text_postprocessed} |
| | | asr_result_list.append(item) |
| | | finish_count += 1 |
| | | asr_utils.print_progress(finish_count / file_count) |
| | | if writer is not None: |
| | | ibest_writer["text"][key] = text |
| | | |
| | | logging.info("decoding, utt: {}, predictions: {}".format(key, text)) |
| | | |
| | | logging.info("decoding, feature length total: {}, forward_time total: {:.4f}, rtf avg: {:.4f}". |
| | | format(length_total, forward_time_total, 100 * forward_time_total / (length_total*lfr_factor))) |
| | | return asr_result_list |
| | | |
| | | |
| | | def set_parameters(language: str = None, |
| | | sample_rate: Union[int, Dict[Any, int]] = None): |
| | | if language is not None: |
| | | global global_asr_language |
| | | global_asr_language = language |
| | | if sample_rate is not None: |
| | | global global_sample_rate |
| | | global_sample_rate = sample_rate |
| | | |
| | | |
| | | def get_parser(): |
| | |
| | | default=None, |
| | | help="", |
| | | ) |
| | | group.add_argument("--audio_lists", type=list, default=None) |
| | | # example=[{'key':'EdevDEWdIYQ_0021','file':'/mnt/data/jiangyu.xzy/test_data/speech_io/SPEECHIO_ASR_ZH00007_zhibodaihuo/wav/EdevDEWdIYQ_0021.wav'}]) |
| | | |
| | | group = parser.add_argument_group("Text converter related") |
| | | group.add_argument( |