From 4137f5cf26e7c4b40853959cd2574edfde03aa60 Mon Sep 17 00:00:00 2001
From: 志浩 <neo.dzh@alibaba-inc.com>
Date: 星期五, 07 四月 2023 21:03:34 +0800
Subject: [PATCH] Merge branch 'main' of github.com:alibaba-damo-academy/FunASR into dev_dzh

---
 funasr/bin/asr_inference_paraformer_streaming.py |  916 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 916 insertions(+), 0 deletions(-)

diff --git a/funasr/bin/asr_inference_paraformer_streaming.py b/funasr/bin/asr_inference_paraformer_streaming.py
new file mode 100644
index 0000000..66dec39
--- /dev/null
+++ b/funasr/bin/asr_inference_paraformer_streaming.py
@@ -0,0 +1,916 @@
+#!/usr/bin/env python3
+import argparse
+import logging
+import sys
+import time
+import copy
+import os
+import codecs
+import tempfile
+import requests
+from pathlib import Path
+from typing import Optional
+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 typeguard import check_argument_types
+
+from funasr.fileio.datadir_writer import DatadirWriter
+from funasr.modules.beam_search.beam_search import BeamSearchPara as BeamSearch
+from funasr.modules.beam_search.beam_search import Hypothesis
+from funasr.modules.scorers.ctc import CTCPrefixScorer
+from funasr.modules.scorers.length_bonus import LengthBonus
+from funasr.modules.subsampling import TooShortUttError
+from funasr.tasks.asr import ASRTaskParaformer as ASRTask
+from funasr.tasks.lm import LMTask
+from funasr.text.build_tokenizer import build_tokenizer
+from funasr.text.token_id_converter import TokenIDConverter
+from funasr.torch_utils.device_funcs import to_device
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+from funasr.utils import config_argparse
+from funasr.utils.cli_utils import get_commandline_args
+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 funasr.models.e2e_asr_paraformer import BiCifParaformer, ContextualParaformer
+from funasr.export.models.e2e_asr_paraformer import Paraformer as Paraformer_export
+np.set_printoptions(threshold=np.inf)
+
+class Speech2Text:
+    """Speech2Text class
+
+    Examples:
+            >>> import soundfile
+            >>> speech2text = Speech2Text("asr_config.yml", "asr.pth")
+            >>> audio, rate = soundfile.read("speech.wav")
+            >>> speech2text(audio)
+            [(text, token, token_int, hypothesis object), ...]
+
+    """
+
+    def __init__(
+            self,
+            asr_train_config: Union[Path, str] = None,
+            asr_model_file: Union[Path, str] = None,
+            cmvn_file: Union[Path, str] = None,
+            lm_train_config: Union[Path, str] = None,
+            lm_file: Union[Path, str] = None,
+            token_type: str = None,
+            bpemodel: str = None,
+            device: str = "cpu",
+            maxlenratio: float = 0.0,
+            minlenratio: float = 0.0,
+            dtype: str = "float32",
+            beam_size: int = 20,
+            ctc_weight: float = 0.5,
+            lm_weight: float = 1.0,
+            ngram_weight: float = 0.9,
+            penalty: float = 0.0,
+            nbest: int = 1,
+            frontend_conf: dict = None,
+            hotword_list_or_file: str = None,
+            **kwargs,
+    ):
+        assert check_argument_types()
+
+        # 1. Build ASR model
+        scorers = {}
+        asr_model, asr_train_args = ASRTask.build_model_from_file(
+            asr_train_config, asr_model_file, cmvn_file, device
+        )
+        frontend = None
+        if asr_train_args.frontend is not None and asr_train_args.frontend_conf is not None:
+            frontend = WavFrontend(cmvn_file=cmvn_file, **asr_train_args.frontend_conf)
+
+        logging.info("asr_model: {}".format(asr_model))
+        logging.info("asr_train_args: {}".format(asr_train_args))
+        asr_model.to(dtype=getattr(torch, dtype)).eval()
+
+        if asr_model.ctc != None:
+            ctc = CTCPrefixScorer(ctc=asr_model.ctc, eos=asr_model.eos)
+            scorers.update(
+                ctc=ctc
+            )
+        token_list = asr_model.token_list
+        scorers.update(
+            length_bonus=LengthBonus(len(token_list)),
+        )
+
+        # 2. Build Language model
+        if lm_train_config is not None:
+            lm, lm_train_args = LMTask.build_model_from_file(
+                lm_train_config, lm_file, device
+            )
+            scorers["lm"] = lm.lm
+
+        # 3. Build ngram model
+        # ngram is not supported now
+        ngram = None
+        scorers["ngram"] = ngram
+
+        # 4. Build BeamSearch object
+        # transducer is not supported now
+        beam_search_transducer = None
+
+        weights = dict(
+            decoder=1.0 - ctc_weight,
+            ctc=ctc_weight,
+            lm=lm_weight,
+            ngram=ngram_weight,
+            length_bonus=penalty,
+        )
+        beam_search = BeamSearch(
+            beam_size=beam_size,
+            weights=weights,
+            scorers=scorers,
+            sos=asr_model.sos,
+            eos=asr_model.eos,
+            vocab_size=len(token_list),
+            token_list=token_list,
+            pre_beam_score_key=None if ctc_weight == 1.0 else "full",
+        )
+
+        beam_search.to(device=device, dtype=getattr(torch, dtype)).eval()
+        for scorer in scorers.values():
+            if isinstance(scorer, torch.nn.Module):
+                scorer.to(device=device, dtype=getattr(torch, dtype)).eval()
+
+        logging.info(f"Decoding device={device}, dtype={dtype}")
+
+        # 5. [Optional] Build Text converter: e.g. bpe-sym -> Text
+        if token_type is None:
+            token_type = asr_train_args.token_type
+        if bpemodel is None:
+            bpemodel = asr_train_args.bpemodel
+
+        if token_type is None:
+            tokenizer = None
+        elif token_type == "bpe":
+            if bpemodel is not None:
+                tokenizer = build_tokenizer(token_type=token_type, bpemodel=bpemodel)
+            else:
+                tokenizer = None
+        else:
+            tokenizer = build_tokenizer(token_type=token_type)
+        converter = TokenIDConverter(token_list=token_list)
+        logging.info(f"Text tokenizer: {tokenizer}")
+
+        self.asr_model = asr_model
+        self.asr_train_args = asr_train_args
+        self.converter = converter
+        self.tokenizer = tokenizer
+
+        # 6. [Optional] Build hotword list from str, local file or url
+
+        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
+        self.beam_search = beam_search
+        logging.info(f"Beam_search: {self.beam_search}")
+        self.beam_search_transducer = beam_search_transducer
+        self.maxlenratio = maxlenratio
+        self.minlenratio = minlenratio
+        self.device = device
+        self.dtype = dtype
+        self.nbest = nbest
+        self.frontend = frontend
+        self.encoder_downsampling_factor = 1
+        if asr_train_args.encoder == "data2vec_encoder" or asr_train_args.encoder_conf["input_layer"] == "conv2d":
+            self.encoder_downsampling_factor = 4
+
+    @torch.no_grad()
+    def __call__(
+            self, cache: dict, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None,
+            begin_time: int = 0, end_time: int = None,
+    ):
+        """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:
+            feats, feats_len = self.frontend.forward(speech, speech_lengths)
+            feats = to_device(feats, device=self.device)
+            feats_len = feats_len.int()
+            self.asr_model.frontend = None
+        else:
+            feats = speech
+            feats_len = speech_lengths
+        lfr_factor = max(1, (feats.size()[-1] // 80) - 1)
+        feats_len = cache["encoder"]["stride"] + cache["encoder"]["pad_left"] + cache["encoder"]["pad_right"]
+        feats = feats[:,cache["encoder"]["start_idx"]:cache["encoder"]["start_idx"]+feats_len,:]
+        feats_len = torch.tensor([feats_len])
+        batch = {"speech": feats, "speech_lengths": feats_len, "cache": cache}
+
+        # a. To device
+        batch = to_device(batch, device=self.device)
+
+        # b. Forward Encoder
+        enc, enc_len = self.asr_model.encode_chunk(feats, feats_len, cache)
+        if isinstance(enc, tuple):
+            enc = enc[0]
+        # assert len(enc) == 1, len(enc)
+        enc_len_batch_total = torch.sum(enc_len).item() * self.encoder_downsampling_factor
+
+        predictor_outs = self.asr_model.calc_predictor_chunk(enc, cache)
+        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.floor().long()
+        if torch.max(pre_token_length) < 1:
+            return []
+        decoder_outs = self.asr_model.cal_decoder_with_predictor_chunk(enc, pre_acoustic_embeds, cache)
+        decoder_out = decoder_outs
+
+        results = []
+        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:
+                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 and x != 2, 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
+
+
+class Speech2TextExport:
+    """Speech2TextExport class
+
+    """
+
+    def __init__(
+            self,
+            asr_train_config: Union[Path, str] = None,
+            asr_model_file: Union[Path, str] = None,
+            cmvn_file: Union[Path, str] = None,
+            lm_train_config: Union[Path, str] = None,
+            lm_file: Union[Path, str] = None,
+            token_type: str = None,
+            bpemodel: str = None,
+            device: str = "cpu",
+            maxlenratio: float = 0.0,
+            minlenratio: float = 0.0,
+            dtype: str = "float32",
+            beam_size: int = 20,
+            ctc_weight: float = 0.5,
+            lm_weight: float = 1.0,
+            ngram_weight: float = 0.9,
+            penalty: float = 0.0,
+            nbest: int = 1,
+            frontend_conf: dict = None,
+            hotword_list_or_file: str = None,
+            **kwargs,
+    ):
+
+        # 1. Build ASR model
+        asr_model, asr_train_args = ASRTask.build_model_from_file(
+            asr_train_config, asr_model_file, cmvn_file, device
+        )
+        frontend = None
+        if asr_train_args.frontend is not None and asr_train_args.frontend_conf is not None:
+            frontend = WavFrontend(cmvn_file=cmvn_file, **asr_train_args.frontend_conf)
+
+        logging.info("asr_model: {}".format(asr_model))
+        logging.info("asr_train_args: {}".format(asr_train_args))
+        asr_model.to(dtype=getattr(torch, dtype)).eval()
+
+        token_list = asr_model.token_list
+
+        logging.info(f"Decoding device={device}, dtype={dtype}")
+
+        # 5. [Optional] Build Text converter: e.g. bpe-sym -> Text
+        if token_type is None:
+            token_type = asr_train_args.token_type
+        if bpemodel is None:
+            bpemodel = asr_train_args.bpemodel
+
+        if token_type is None:
+            tokenizer = None
+        elif token_type == "bpe":
+            if bpemodel is not None:
+                tokenizer = build_tokenizer(token_type=token_type, bpemodel=bpemodel)
+            else:
+                tokenizer = None
+        else:
+            tokenizer = build_tokenizer(token_type=token_type)
+        converter = TokenIDConverter(token_list=token_list)
+        logging.info(f"Text tokenizer: {tokenizer}")
+
+        # self.asr_model = asr_model
+        self.asr_train_args = asr_train_args
+        self.converter = converter
+        self.tokenizer = tokenizer
+
+        self.device = device
+        self.dtype = dtype
+        self.nbest = nbest
+        self.frontend = frontend
+
+        model = Paraformer_export(asr_model, onnx=False)
+        self.asr_model = model
+
+    @torch.no_grad()
+    def __call__(
+            self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None
+    ):
+        """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:
+            feats, feats_len = self.frontend.forward(speech, speech_lengths)
+            feats = to_device(feats, device=self.device)
+            feats_len = feats_len.int()
+            self.asr_model.frontend = None
+        else:
+            feats = speech
+            feats_len = speech_lengths
+
+        enc_len_batch_total = feats_len.sum()
+        lfr_factor = max(1, (feats.size()[-1] // 80) - 1)
+        batch = {"speech": feats, "speech_lengths": feats_len}
+
+        # a. To device
+        batch = to_device(batch, device=self.device)
+
+        decoder_outs = self.asr_model(**batch)
+        decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
+
+        results = []
+        b, n, d = decoder_out.size()
+        for i in range(b):
+            am_scores = decoder_out[i, :ys_pad_lens[i], :]
+
+            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(
+                yseq.tolist(), 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 and x != 2, 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))
+
+        return results
+
+
+def inference(
+        maxlenratio: float,
+        minlenratio: float,
+        batch_size: int,
+        beam_size: int,
+        ngpu: int,
+        ctc_weight: float,
+        lm_weight: float,
+        penalty: float,
+        log_level: Union[int, str],
+        data_path_and_name_and_type,
+        asr_train_config: Optional[str],
+        asr_model_file: Optional[str],
+        cmvn_file: Optional[str] = None,
+        raw_inputs: Union[np.ndarray, torch.Tensor] = 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,
+
+        **kwargs,
+):
+    inference_pipeline = inference_modelscope(
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        batch_size=batch_size,
+        beam_size=beam_size,
+        ngpu=ngpu,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        penalty=penalty,
+        log_level=log_level,
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        raw_inputs=raw_inputs,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        key_file=key_file,
+        word_lm_train_config=word_lm_train_config,
+        bpemodel=bpemodel,
+        allow_variable_data_keys=allow_variable_data_keys,
+        streaming=streaming,
+        output_dir=output_dir,
+        dtype=dtype,
+        seed=seed,
+        ngram_weight=ngram_weight,
+        nbest=nbest,
+        num_workers=num_workers,
+
+        **kwargs,
+    )
+    return inference_pipeline(data_path_and_name_and_type, raw_inputs)
+
+
+def inference_modelscope(
+        maxlenratio: float,
+        minlenratio: float,
+        batch_size: int,
+        beam_size: int,
+        ngpu: int,
+        ctc_weight: float,
+        lm_weight: float,
+        penalty: float,
+        log_level: Union[int, str],
+        # data_path_and_name_and_type,
+        asr_train_config: Optional[str],
+        asr_model_file: Optional[str],
+        cmvn_file: Optional[str] = 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,
+        dtype: str = "float32",
+        seed: int = 0,
+        ngram_weight: float = 0.9,
+        nbest: int = 1,
+        num_workers: int = 1,
+        output_dir: Optional[str] = None,
+        param_dict: dict = None,
+        **kwargs,
+):
+    assert check_argument_types()
+
+    if word_lm_train_config is not None:
+        raise NotImplementedError("Word LM 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",
+    )
+
+    export_mode = False
+
+    if ngpu >= 1 and torch.cuda.is_available():
+        device = "cuda"
+    else:
+        device = "cpu"
+        batch_size = 1
+
+    # 1. Set random-seed
+    set_all_random_seed(seed)
+
+    # 2. Build speech2text
+    speech2text_kwargs = dict(
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        bpemodel=bpemodel,
+        device=device,
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        dtype=dtype,
+        beam_size=beam_size,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        ngram_weight=ngram_weight,
+        penalty=penalty,
+        nbest=nbest,
+    )
+    if export_mode:
+        speech2text = Speech2TextExport(**speech2text_kwargs)
+    else:
+        speech2text = Speech2Text(**speech2text_kwargs)
+        
+    def _load_bytes(input):
+        middle_data = np.frombuffer(input, dtype=np.int16)
+        middle_data = np.asarray(middle_data)
+        if middle_data.dtype.kind not in 'iu':
+            raise TypeError("'middle_data' must be an array of integers")
+        dtype = np.dtype('float32')
+        if dtype.kind != 'f':
+            raise TypeError("'dtype' must be a floating point type")
+
+        i = np.iinfo(middle_data.dtype)
+        abs_max = 2 ** (i.bits - 1)
+        offset = i.min + abs_max
+        array = np.frombuffer((middle_data.astype(dtype) - offset) / abs_max, dtype=np.float32)
+        return array
+    
+    def _forward(
+            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,
+            **kwargs,
+    ):
+
+        # 3. Build data-iterator
+        if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "bytes":
+            raw_inputs = _load_bytes(data_path_and_name_and_type[0])
+            raw_inputs = torch.tensor(raw_inputs)
+        if data_path_and_name_and_type is None and raw_inputs is not None:
+            if isinstance(raw_inputs, np.ndarray):
+                raw_inputs = torch.tensor(raw_inputs)
+        is_final = False
+        if param_dict is not None and "cache" in param_dict:
+            cache = param_dict["cache"]
+        if param_dict is not None and "is_final" in param_dict:
+            is_final = param_dict["is_final"]
+        # 7 .Start for-loop
+        # FIXME(kamo): The output format should be discussed about
+        asr_result_list = []
+        results = []
+        asr_result = ""
+        wait = True
+        if len(cache) == 0:
+            cache["encoder"] = {"start_idx": 0, "pad_left": 0, "stride": 10, "pad_right": 5, "cif_hidden": None, "cif_alphas": None, "is_final": is_final, "left": 0, "right": 0}
+            cache_de = {"decode_fsmn": None}
+            cache["decoder"] = cache_de
+            cache["first_chunk"] = True
+            cache["speech"] = []
+            cache["accum_speech"] = 0
+
+        if raw_inputs is not None:
+            if len(cache["speech"]) == 0:
+                cache["speech"] = raw_inputs
+            else:
+                cache["speech"] = torch.cat([cache["speech"], raw_inputs], dim=0)
+            cache["accum_speech"] += len(raw_inputs)
+            while cache["accum_speech"] >= 960:
+                if cache["first_chunk"]:
+                    if cache["accum_speech"] >= 14400:
+                        speech = torch.unsqueeze(cache["speech"], axis=0)
+                        speech_length = torch.tensor([len(cache["speech"])])
+                        cache["encoder"]["pad_left"] = 5 
+                        cache["encoder"]["pad_right"] = 5 
+                        cache["encoder"]["stride"] = 10
+                        cache["encoder"]["left"] = 5
+                        cache["encoder"]["right"] = 0
+                        results = speech2text(cache, speech, speech_length)
+                        cache["accum_speech"] -= 4800
+                        cache["first_chunk"] = False
+                        cache["encoder"]["start_idx"] = -5
+                        cache["encoder"]["is_final"] = False
+                        wait = False
+                    else:
+                        if is_final:
+                            cache["encoder"]["stride"] = len(cache["speech"]) // 960
+                            cache["encoder"]["pad_left"] = 0
+                            cache["encoder"]["pad_right"] = 0
+                            speech = torch.unsqueeze(cache["speech"], axis=0)
+                            speech_length = torch.tensor([len(cache["speech"])])
+                            results = speech2text(cache, speech, speech_length)
+                            cache["accum_speech"] = 0
+                            wait = False
+                        else:
+                            break
+                else:
+                    if cache["accum_speech"] >= 19200:
+                        cache["encoder"]["start_idx"] += 10
+                        cache["encoder"]["stride"] = 10
+                        cache["encoder"]["pad_left"] = 5
+                        cache["encoder"]["pad_right"] = 5
+                        cache["encoder"]["left"] = 0
+                        cache["encoder"]["right"] = 0
+                        speech = torch.unsqueeze(cache["speech"], axis=0)
+                        speech_length = torch.tensor([len(cache["speech"])])
+                        results = speech2text(cache, speech, speech_length)
+                        cache["accum_speech"] -= 9600
+                        wait = False
+                    else:
+                        if is_final:
+                            cache["encoder"]["is_final"] = True
+                            if cache["accum_speech"] >= 14400:
+                                cache["encoder"]["start_idx"] += 10
+                                cache["encoder"]["stride"] = 10
+                                cache["encoder"]["pad_left"] = 5
+                                cache["encoder"]["pad_right"] = 5
+                                cache["encoder"]["left"] = 0
+                                cache["encoder"]["right"] = cache["accum_speech"] // 960 - 15
+                                speech = torch.unsqueeze(cache["speech"], axis=0)
+                                speech_length = torch.tensor([len(cache["speech"])])
+                                results = speech2text(cache, speech, speech_length)
+                                cache["accum_speech"] -= 9600
+                                wait = False
+                            else:
+                                cache["encoder"]["start_idx"] += 10
+                                cache["encoder"]["stride"] = cache["accum_speech"] // 960 - 5
+                                cache["encoder"]["pad_left"] = 5
+                                cache["encoder"]["pad_right"] = 0
+                                cache["encoder"]["left"] = 0
+                                cache["encoder"]["right"] = 0
+                                speech = torch.unsqueeze(cache["speech"], axis=0)
+                                speech_length = torch.tensor([len(cache["speech"])])
+                                results = speech2text(cache, speech, speech_length)
+                                cache["accum_speech"] = 0
+                                wait = False
+                        else:
+                            break
+                
+                if len(results) >= 1:
+                    asr_result += results[0][0]
+            if asr_result == "":
+                asr_result = "sil"
+            if wait:
+                asr_result = "waiting_for_more_voice"
+            item = {'key': "utt", 'value': asr_result}
+            asr_result_list.append(item)
+        else:
+            return []
+        return asr_result_list
+
+    return _forward
+
+
+def get_parser():
+    parser = config_argparse.ArgumentParser(
+        description="ASR Decoding",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+
+    # Note(kamo): Use '_' instead of '-' as separator.
+    # '-' is confusing if written in yaml.
+    parser.add_argument(
+        "--log_level",
+        type=lambda x: x.upper(),
+        default="INFO",
+        choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"),
+        help="The verbose level of logging",
+    )
+
+    parser.add_argument("--output_dir", type=str, required=True)
+    parser.add_argument(
+        "--ngpu",
+        type=int,
+        default=0,
+        help="The number of gpus. 0 indicates CPU mode",
+    )
+    parser.add_argument("--seed", type=int, default=0, help="Random seed")
+    parser.add_argument(
+        "--dtype",
+        default="float32",
+        choices=["float16", "float32", "float64"],
+        help="Data type",
+    )
+    parser.add_argument(
+        "--num_workers",
+        type=int,
+        default=1,
+        help="The number of workers used for DataLoader",
+    )
+    parser.add_argument(
+        "--hotword",
+        type=str_or_none,
+        default=None,
+        help="hotword file path or hotwords seperated by space"
+    )
+    group = parser.add_argument_group("Input data related")
+    group.add_argument(
+        "--data_path_and_name_and_type",
+        type=str2triple_str,
+        required=False,
+        action="append",
+    )
+    group.add_argument("--key_file", type=str_or_none)
+    group.add_argument("--allow_variable_data_keys", type=str2bool, default=False)
+
+    group = parser.add_argument_group("The model configuration related")
+    group.add_argument(
+        "--asr_train_config",
+        type=str,
+        help="ASR training configuration",
+    )
+    group.add_argument(
+        "--asr_model_file",
+        type=str,
+        help="ASR model parameter file",
+    )
+    group.add_argument(
+        "--cmvn_file",
+        type=str,
+        help="Global cmvn file",
+    )
+    group.add_argument(
+        "--lm_train_config",
+        type=str,
+        help="LM training configuration",
+    )
+    group.add_argument(
+        "--lm_file",
+        type=str,
+        help="LM parameter file",
+    )
+    group.add_argument(
+        "--word_lm_train_config",
+        type=str,
+        help="Word LM training configuration",
+    )
+    group.add_argument(
+        "--word_lm_file",
+        type=str,
+        help="Word LM parameter file",
+    )
+    group.add_argument(
+        "--ngram_file",
+        type=str,
+        help="N-gram parameter file",
+    )
+    group.add_argument(
+        "--model_tag",
+        type=str,
+        help="Pretrained model tag. If specify this option, *_train_config and "
+             "*_file will be overwritten",
+    )
+
+    group = parser.add_argument_group("Beam-search related")
+    group.add_argument(
+        "--batch_size",
+        type=int,
+        default=1,
+        help="The batch size for inference",
+    )
+    group.add_argument("--nbest", type=int, default=1, help="Output N-best hypotheses")
+    group.add_argument("--beam_size", type=int, default=20, help="Beam size")
+    group.add_argument("--penalty", type=float, default=0.0, help="Insertion penalty")
+    group.add_argument(
+        "--maxlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain max output length. "
+             "If maxlenratio=0.0 (default), it uses a end-detect "
+             "function "
+             "to automatically find maximum hypothesis lengths."
+             "If maxlenratio<0.0, its absolute value is interpreted"
+             "as a constant max output length",
+    )
+    group.add_argument(
+        "--minlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain min output length",
+    )
+    group.add_argument(
+        "--ctc_weight",
+        type=float,
+        default=0.5,
+        help="CTC weight in joint decoding",
+    )
+    group.add_argument("--lm_weight", type=float, default=1.0, help="RNNLM weight")
+    group.add_argument("--ngram_weight", type=float, default=0.9, help="ngram weight")
+    group.add_argument("--streaming", type=str2bool, default=False)
+
+    group.add_argument(
+        "--frontend_conf",
+        default=None,
+        help="",
+    )
+    group.add_argument("--raw_inputs", 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(
+        "--token_type",
+        type=str_or_none,
+        default=None,
+        choices=["char", "bpe", None],
+        help="The token type for ASR model. "
+             "If not given, refers from the training args",
+    )
+    group.add_argument(
+        "--bpemodel",
+        type=str_or_none,
+        default=None,
+        help="The model path of sentencepiece. "
+             "If not given, refers from the training args",
+    )
+
+    return parser
+
+
+def main(cmd=None):
+    print(get_commandline_args(), file=sys.stderr)
+    parser = get_parser()
+    args = parser.parse_args(cmd)
+    param_dict = {'hotword': args.hotword}
+    kwargs = vars(args)
+    kwargs.pop("config", None)
+    kwargs['param_dict'] = param_dict
+    inference(**kwargs)
+
+
+if __name__ == "__main__":
+    main()
+
+    # from modelscope.pipelines import pipeline
+    # from modelscope.utils.constant import Tasks
+    #
+    # inference_16k_pipline = pipeline(
+    #     task=Tasks.auto_speech_recognition,
+    #     model='damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+    #
+    # rec_result = inference_16k_pipline(audio_in='https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/asr_example_zh.wav')
+    # print(rec_result)
+
+

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