From 33d3d2084403fd34b79c835d2f2fe04f6cd8f738 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 13 九月 2023 09:33:54 +0800
Subject: [PATCH] Merge branch 'main' of github.com:alibaba-damo-academy/FunASR add

---
 funasr/bin/asr_inference_launch.py | 1284 +++++++++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 990 insertions(+), 294 deletions(-)

diff --git a/funasr/bin/asr_inference_launch.py b/funasr/bin/asr_inference_launch.py
index 1870032..cdaaefc 100644
--- a/funasr/bin/asr_inference_launch.py
+++ b/funasr/bin/asr_inference_launch.py
@@ -1,141 +1,275 @@
 #!/usr/bin/env python3
+# -*- encoding: utf-8 -*-
+# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
+#  MIT License  (https://opensource.org/licenses/MIT)
 
 import argparse
 import logging
 import os
-import sys
-from typing import Union, Dict, Any
-
-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
-
-#!/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 Dict
+from typing import List
 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 yaml
+
 import numpy as np
 import torch
 import torchaudio
-from typeguard import check_argument_types
-from typeguard import check_return_type
-from funasr.fileio.datadir_writer import DatadirWriter
-from funasr.modules.beam_search.beam_search import BeamSearch
-# from funasr.modules.beam_search.beam_search import BeamSearchPara as BeamSearch
+import soundfile
+import yaml
 
+from funasr.bin.asr_infer import Speech2Text
+from funasr.bin.asr_infer import Speech2TextMFCCA
+from funasr.bin.asr_infer import Speech2TextParaformer, Speech2TextParaformerOnline
+from funasr.bin.asr_infer import Speech2TextSAASR
+from funasr.bin.asr_infer import Speech2TextTransducer
+from funasr.bin.asr_infer import Speech2TextUniASR
+from funasr.bin.punc_infer import Text2Punc
+from funasr.bin.tp_infer import Speech2Timestamp
+from funasr.bin.vad_infer import Speech2VadSegment
+from funasr.build_utils.build_streaming_iterator import build_streaming_iterator
+from funasr.fileio.datadir_writer import DatadirWriter
 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 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 asr_utils, postprocess_utils
 from funasr.utils import config_argparse
 from funasr.utils.cli_utils import get_commandline_args
+from funasr.utils.timestamp_tools import time_stamp_sentence, ts_prediction_lfr6_standard
 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, WavFrontendOnline
-from funasr.models.e2e_asr_paraformer import BiCifParaformer, ContextualParaformer
-from funasr.models.e2e_asr_contextual_paraformer import NeatContextualParaformer
-from funasr.export.models.e2e_asr_paraformer import Paraformer as Paraformer_export
-from funasr.utils.timestamp_tools import ts_prediction_lfr6_standard
-from funasr.bin.tp_inference import SpeechText2Timestamp
-from funasr.bin.vad_inference import Speech2VadSegment
-from funasr.bin.punctuation_infer import Text2Punc
 from funasr.utils.vad_utils import slice_padding_fbank
-from funasr.tasks.vad import VADTask
-from funasr.utils.timestamp_tools import time_stamp_sentence, ts_prediction_lfr6_standard
-from funasr.bin.asr_infer import Speech2Text
-from funasr.bin.asr_infer import Speech2TextParaformer, Speech2TextParaformerOnline
-from funasr.bin.asr_infer import Speech2TextUniASR
 
 
-def inference_paraformer(
-    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,
-    timestamp_infer_config: Union[Path, str] = None,
-    timestamp_model_file: Union[Path, str] = None,
-    param_dict: dict = None,
-    **kwargs,
+def inference_asr(
+        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,
+        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,
+        mc: bool = False,
+        param_dict: dict = None,
+        **kwargs,
 ):
-    assert check_argument_types()
     ncpu = kwargs.get("ncpu", 1)
     torch.set_num_threads(ncpu)
-    
+    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:
         raise NotImplementedError("only single GPU decoding is supported")
-    
+
+    for handler in logging.root.handlers[:]:
+        logging.root.removeHandler(handler)
+
     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 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,
+        streaming=streaming,
+    )
+    logging.info("speech2text_kwargs: {}".format(speech2text_kwargs))
+    speech2text = Speech2Text(**speech2text_kwargs)
+
+    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 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 = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
+            dtype=dtype,
+            fs=fs,
+            mc=mc,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+        )
+
+        finish_count = 0
+        file_count = 1
+        # 7 .Start for-loop
+        # FIXME(kamo): The output format should be discussed about
+        asr_result_list = []
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        if output_path is not None:
+            writer = DatadirWriter(output_path)
+        else:
+            writer = None
+
+        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")}
+
+            # N-best list of (text, token, token_int, hyp_object)
+            try:
+                results = speech2text(**batch)
+            except TooShortUttError as e:
+                logging.warning(f"Utterance {keys} {e}")
+                hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
+                results = [[" ", ["sil"], [2], hyp]] * nbest
+
+            # Only supporting batch_size==1
+            key = keys[0]
+            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+                # Create a directory: outdir/{n}best_recog
+                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:
+                    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("uttid: {}".format(key))
+                logging.info("text predictions: {}\n".format(text))
+        return asr_result_list
+
+    return _forward
+
+
+def inference_paraformer(
+        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,
+        timestamp_infer_config: Union[Path, str] = None,
+        timestamp_model_file: Union[Path, str] = None,
+        param_dict: dict = None,
+        decoding_ind: int = 0,
+        **kwargs,
+):
+    ncpu = kwargs.get("ncpu", 1)
+    torch.set_num_threads(ncpu)
+
+    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 param_dict is not None:
         hotword_list_or_file = param_dict.get('hotword')
         export_mode = param_dict.get("export_mode", False)
+        clas_scale = param_dict.get('clas_scale', 1.0)
     else:
         hotword_list_or_file = None
-    
-    if kwargs.get("device", None) == "cpu":
-        ngpu = 0
+        clas_scale = 1.0
+
     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,
@@ -156,28 +290,31 @@
         penalty=penalty,
         nbest=nbest,
         hotword_list_or_file=hotword_list_or_file,
+        clas_scale=clas_scale,
+        decoding_ind=decoding_ind,
     )
-    
+
     speech2text = Speech2TextParaformer(**speech2text_kwargs)
-    
+
     if timestamp_model_file is not None:
-        speechtext2timestamp = SpeechText2Timestamp(
+        speechtext2timestamp = Speech2Timestamp(
             timestamp_cmvn_file=cmvn_file,
             timestamp_model_file=timestamp_model_file,
             timestamp_infer_config=timestamp_infer_config,
         )
     else:
         speechtext2timestamp = None
-    
+
     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,
+            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,
     ):
-        
+
+        decoding_ind = None
         hotword_list_or_file = None
         if param_dict is not None:
             hotword_list_or_file = param_dict.get('hotword')
@@ -185,30 +322,30 @@
             hotword_list_or_file = kwargs['hotword']
         if hotword_list_or_file is not None or 'hotword' in kwargs:
             speech2text.hotword_list = speech2text.generate_hotwords_list(hotword_list_or_file)
-        
+        if param_dict is not None and "decoding_ind" in param_dict:
+            decoding_ind = param_dict["decoding_ind"]
+
         # 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 = ASRTask.build_streaming_iterator(
-            data_path_and_name_and_type,
+        loader = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
             dtype=dtype,
             fs=fs,
             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 param_dict is not None:
             use_timestamp = param_dict.get('use_timestamp', True)
         else:
             use_timestamp = True
-        
+
         forward_time_total = 0.0
         length_total = 0.0
         finish_count = 0
@@ -221,22 +358,23 @@
             writer = DatadirWriter(output_path)
         else:
             writer = None
-        
+
         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")}
-            
+
             logging.info("decoding, utt_id: {}".format(keys))
             # N-best list of (text, token, token_int, hyp_object)
-            
+
             time_beg = time.time()
+            batch["decoding_ind"] = decoding_ind
             results = speech2text(**batch)
             if len(results) < 1:
                 hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
-                results = [[" ", ["sil"], [2], hyp, 10, 6]] * nbest
+                results = [[" ", ["sil"], [2], hyp, 10, 6, []]] * nbest
             time_end = time.time()
             forward_time = time_end - time_beg
             lfr_factor = results[0][-1]
@@ -247,10 +385,10 @@
                                                                                                100 * forward_time / (
                                                                                                        length * lfr_factor))
             logging.info(rtf_cur)
-            
+
             for batch_id in range(_bs):
                 result = [results[batch_id][:-2]]
-                
+
                 key = keys[batch_id]
                 for n, result in zip(range(1, nbest + 1), result):
                     text, token, token_int, hyp = result[0], result[1], result[2], result[3]
@@ -269,15 +407,15 @@
                     # Create a directory: outdir/{n}best_recog
                     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)
                         ibest_writer["rtf"][key] = rtf_cur
-                    
+
                     if text is not None:
-                        if use_timestamp and timestamp is not None:
+                        if use_timestamp and timestamp is not None and len(timestamp):
                             postprocessed_result = postprocess_utils.sentence_postprocess(token, timestamp)
                         else:
                             postprocessed_result = postprocess_utils.sentence_postprocess(token)
@@ -289,14 +427,14 @@
                         else:
                             text_postprocessed, word_lists = postprocessed_result[0], postprocessed_result[1]
                         item = {'key': key, 'value': text_postprocessed}
-                        if timestamp_postprocessed != "":
+                        if timestamp_postprocessed != "" or len(timestamp) == 0:
                             item['timestamp'] = timestamp_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] = " ".join(word_lists)
-                    
+
                     logging.info("decoding, utt: {}, predictions: {}".format(key, text))
         rtf_avg = "decoding, feature length total: {}, forward_time total: {:.4f}, rtf avg: {:.4f}".format(length_total,
                                                                                                            forward_time_total,
@@ -305,75 +443,75 @@
         logging.info(rtf_avg)
         if writer is not None:
             ibest_writer["rtf"]["rtf_avf"] = rtf_avg
+        torch.cuda.empty_cache()
         return asr_result_list
-    
+
     return _forward
 
 
 def inference_paraformer_vad_punc(
-    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,
-    output_dir: Optional[str] = None,
-    dtype: str = "float32",
-    seed: int = 0,
-    ngram_weight: float = 0.9,
-    nbest: int = 1,
-    num_workers: int = 1,
-    vad_infer_config: Optional[str] = None,
-    vad_model_file: Optional[str] = None,
-    vad_cmvn_file: Optional[str] = None,
-    time_stamp_writer: bool = True,
-    punc_infer_config: Optional[str] = None,
-    punc_model_file: Optional[str] = None,
-    outputs_dict: Optional[bool] = True,
-    param_dict: dict = None,
-    **kwargs,
+        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,
+        output_dir: Optional[str] = None,
+        dtype: str = "float32",
+        seed: int = 0,
+        ngram_weight: float = 0.9,
+        nbest: int = 1,
+        num_workers: int = 1,
+        vad_infer_config: Optional[str] = None,
+        vad_model_file: Optional[str] = None,
+        vad_cmvn_file: Optional[str] = None,
+        time_stamp_writer: bool = True,
+        punc_infer_config: Optional[str] = None,
+        punc_model_file: Optional[str] = None,
+        outputs_dict: Optional[bool] = True,
+        param_dict: dict = None,
+        **kwargs,
 ):
-    assert check_argument_types()
     ncpu = kwargs.get("ncpu", 1)
     torch.set_num_threads(ncpu)
-    
+
     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",
     )
-    
+
     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:
         device = "cpu"
-    
+
     # 1. Set random-seed
     set_all_random_seed(seed)
-    
+
     # 2. Build speech2vadsegment
     speech2vadsegment_kwargs = dict(
         vad_infer_config=vad_infer_config,
@@ -384,7 +522,7 @@
     )
     # logging.info("speech2vadsegment_kwargs: {}".format(speech2vadsegment_kwargs))
     speech2vadsegment = Speech2VadSegment(**speech2vadsegment_kwargs)
-    
+
     # 3. Build speech2text
     speech2text_kwargs = dict(
         asr_train_config=asr_train_config,
@@ -410,12 +548,12 @@
     text2punc = None
     if punc_model_file is not None:
         text2punc = Text2Punc(punc_infer_config, punc_model_file, device=device, dtype=dtype)
-    
+
     if output_dir is not None:
         writer = DatadirWriter(output_dir)
         ibest_writer = writer[f"1best_recog"]
         ibest_writer["token_list"][""] = " ".join(speech2text.asr_train_args.token_list)
-    
+
     def _forward(data_path_and_name_and_type,
                  raw_inputs: Union[np.ndarray, torch.Tensor] = None,
                  output_dir_v2: Optional[str] = None,
@@ -423,40 +561,43 @@
                  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']
-        
+
+        speech2vadsegment.vad_model.vad_opts.max_single_segment_time = kwargs.get("max_single_segment_time", 60000)
+        batch_size_token_threshold_s = kwargs.get("batch_size_token_threshold_s", int(speech2vadsegment.vad_model.vad_opts.max_single_segment_time*0.67/1000)) * 1000
+        batch_size_token = kwargs.get("batch_size_token", 6000)
+        print("batch_size_token: ", batch_size_token)
+
         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):
                 raw_inputs = raw_inputs.numpy()
             data_path_and_name_and_type = [raw_inputs, "speech", "waveform"]
-        loader = ASRTask.build_streaming_iterator(
-            data_path_and_name_and_type,
+        loader = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=None,
+            data_path_and_name_and_type=data_path_and_name_and_type,
             dtype=dtype,
             fs=fs,
             batch_size=1,
             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,
         )
-        
+
         if param_dict is not None:
             use_timestamp = param_dict.get('use_timestamp', True)
         else:
             use_timestamp = True
-        
+
         finish_count = 0
         file_count = 1
         lfr_factor = 6
@@ -467,33 +608,69 @@
         if output_path is not None:
             writer = DatadirWriter(output_path)
             ibest_writer = writer[f"1best_recog"]
-        
+
         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}"
-            
+            beg_vad = time.time()
             vad_results = speech2vadsegment(**batch)
+            end_vad = time.time()
+            print("time cost vad: ", end_vad - beg_vad)
             _, vadsegments = vad_results[0], vad_results[1][0]
-            
+
             speech, speech_lengths = batch["speech"], batch["speech_lengths"]
-            
+
             n = len(vadsegments)
             data_with_index = [(vadsegments[i], i) for i in range(n)]
             sorted_data = sorted(data_with_index, key=lambda x: x[0][1] - x[0][0])
             results_sorted = []
-            for j, beg_idx in enumerate(range(0, n, batch_size)):
-                end_idx = min(n, beg_idx + batch_size)
+            
+            if not len(sorted_data):
+                key = keys[0]
+                # no active segments after VAD
+                if writer is not None:
+                    # Write empty results
+                    ibest_writer["token"][key] = ""
+                    ibest_writer["token_int"][key] = ""
+                    ibest_writer["vad"][key] = ""
+                    ibest_writer["text"][key] = ""
+                    ibest_writer["text_with_punc"][key] = ""
+                    if use_timestamp:
+                        ibest_writer["time_stamp"][key] = ""
+
+                logging.info("decoding, utt: {}, empty speech".format(key))
+                continue
+
+            batch_size_token_ms = batch_size_token*60
+            if speech2text.device == "cpu":
+                batch_size_token_ms = 0
+            if len(sorted_data) > 0 and len(sorted_data[0]) > 0:
+                batch_size_token_ms = max(batch_size_token_ms, sorted_data[0][0][1] - sorted_data[0][0][0])
+            
+            batch_size_token_ms_cum = 0
+            beg_idx = 0
+            for j, _ in enumerate(range(0, n)):
+                batch_size_token_ms_cum += (sorted_data[j][0][1] - sorted_data[j][0][0])
+                if j < n - 1 and (batch_size_token_ms_cum + sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size_token_ms and (sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size_token_threshold_s:
+                    continue
+                batch_size_token_ms_cum = 0
+                end_idx = j + 1
                 speech_j, speech_lengths_j = slice_padding_fbank(speech, speech_lengths, sorted_data[beg_idx:end_idx])
-                
+                beg_idx = end_idx
                 batch = {"speech": speech_j, "speech_lengths": speech_lengths_j}
                 batch = to_device(batch, device=device)
+                print("batch: ", speech_j.shape[0])
+                beg_asr = time.time()
                 results = speech2text(**batch)
-                
+                end_asr = time.time()
+                print("time cost asr: ", end_asr - beg_asr)
+
                 if len(results) < 1:
                     results = [["", [], [], [], [], [], []]]
                 results_sorted.extend(results)
+
             restored_data = [0] * n
             for j in range(n):
                 index = sorted_data[j][1]
@@ -509,13 +686,13 @@
                         t[1] += vadsegments[j][0]
                     result[4] += restored_data[j][4]
                 # result = [result[k]+restored_data[j][k] for k in range(len(result[:-2]))]
-            
+
             key = keys[0]
             # result = result_segments[0]
             text, token, token_int = result[0], result[1], result[2]
             time_stamp = result[4] if len(result[4]) > 0 else None
-            
-            if use_timestamp and time_stamp is not None:
+
+            if use_timestamp and time_stamp is not None and len(time_stamp):
                 postprocessed_result = postprocess_utils.sentence_postprocess(token, time_stamp)
             else:
                 postprocessed_result = postprocess_utils.sentence_postprocess(token)
@@ -528,20 +705,23 @@
                                                                            postprocessed_result[2]
             else:
                 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:
+                beg_punc = time.time()
                 text_postprocessed_punc, punc_id_list = text2punc(word_lists, 20)
-            
+                end_punc = time.time()
+                print("time cost punc: ", end_punc - beg_punc)
+
             item = {'key': key, 'value': text_postprocessed_punc}
             if text_postprocessed != "":
                 item['text_postprocessed'] = text_postprocessed
-            if time_stamp_postprocessed != "":
+            if time_stamp_postprocessed != "" or len(time_stamp) == 0:
                 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
             # asr_utils.print_progress(finish_count / file_count)
@@ -554,11 +734,13 @@
                 ibest_writer["text_with_punc"][key] = text_postprocessed_punc
                 if time_stamp_postprocessed is not None:
                     ibest_writer["time_stamp"][key] = "{}".format(time_stamp_postprocessed)
-            
+
             logging.info("decoding, utt: {}, predictions: {}".format(key, text_postprocessed_punc))
+        torch.cuda.empty_cache()
         return asr_result_list
-    
+
     return _forward
+
 
 def inference_paraformer_online(
         maxlenratio: float,
@@ -590,7 +772,6 @@
         param_dict: dict = None,
         **kwargs,
 ):
-    assert check_argument_types()
 
     if word_lm_train_config is not None:
         raise NotImplementedError("Word LM is not implemented")
@@ -659,7 +840,7 @@
             data = yaml.load(f, Loader=yaml.Loader)
         return data
 
-    def _prepare_cache(cache: dict = {}, chunk_size=[5,10,5], batch_size=1):
+    def _prepare_cache(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
         if len(cache) > 0:
             return cache
         config = _read_yaml(asr_train_config)
@@ -675,14 +856,15 @@
 
         return cache
 
-    def _cache_reset(cache: dict = {}, chunk_size=[5,10,5], batch_size=1):
+    def _cache_reset(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
         if len(cache) > 0:
             config = _read_yaml(asr_train_config)
             enc_output_size = config["encoder_conf"]["output_size"]
             feats_dims = config["frontend_conf"]["n_mels"] * config["frontend_conf"]["lfr_m"]
             cache_en = {"start_idx": 0, "cif_hidden": torch.zeros((batch_size, 1, enc_output_size)),
                         "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size, "last_chunk": False,
-                        "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)), "tail_chunk": False}
+                        "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)),
+                        "tail_chunk": False}
             cache["encoder"] = cache_en
 
             cache_de = {"decode_fsmn": None}
@@ -704,7 +886,13 @@
             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 not None and data_path_and_name_and_type[2] == "sound":
-            raw_inputs = torchaudio.load(data_path_and_name_and_type[0])[0][0]
+            try:
+                raw_inputs = torchaudio.load(data_path_and_name_and_type[0])[0][0]
+            except:
+                raw_inputs = soundfile.read(data_path_and_name_and_type[0], dtype='float32')[0]
+                if raw_inputs.ndim == 2:
+                    raw_inputs = raw_inputs[:, 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)
@@ -727,7 +915,7 @@
         if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "sound":
             sample_offset = 0
             speech_length = raw_inputs.shape[1]
-            stride_size =  chunk_size[1] * 960
+            stride_size = chunk_size[1] * 960
             cache = _prepare_cache(cache, chunk_size=chunk_size, batch_size=1)
             final_result = ""
             for sample_offset in range(0, speech_length, min(stride_size, speech_length - sample_offset)):
@@ -756,42 +944,41 @@
 
 
 def inference_uniasr(
-    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],
-    ngram_file: Optional[str] = None,
-    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,
-    token_num_relax: int = 1,
-    decoding_ind: int = 0,
-    decoding_mode: str = "model1",
-    param_dict: dict = None,
-    **kwargs,
+        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],
+        ngram_file: Optional[str] = None,
+        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,
+        token_num_relax: int = 1,
+        decoding_ind: int = 0,
+        decoding_mode: str = "model1",
+        param_dict: dict = None,
+        **kwargs,
 ):
-    assert check_argument_types()
     ncpu = kwargs.get("ncpu", 1)
     torch.set_num_threads(ncpu)
     if batch_size > 1:
@@ -800,17 +987,17 @@
         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",
     )
-    
+
     if ngpu >= 1 and torch.cuda.is_available():
         device = "cuda"
     else:
         device = "cpu"
-    
+
     if param_dict is not None and "decoding_model" in param_dict:
         if param_dict["decoding_model"] == "fast":
             decoding_ind = 0
@@ -823,10 +1010,10 @@
             decoding_mode = "model2"
         else:
             raise NotImplementedError("unsupported decoding model {}".format(param_dict["decoding_model"]))
-    
+
     # 1. Set random-seed
     set_all_random_seed(seed)
-    
+
     # 2. Build speech2text
     speech2text_kwargs = dict(
         asr_train_config=asr_train_config,
@@ -853,7 +1040,7 @@
         decoding_mode=decoding_mode,
     )
     speech2text = Speech2TextUniASR(**speech2text_kwargs)
-    
+
     def _forward(data_path_and_name_and_type,
                  raw_inputs: Union[np.ndarray, torch.Tensor] = None,
                  output_dir_v2: Optional[str] = None,
@@ -866,19 +1053,17 @@
             if isinstance(raw_inputs, torch.Tensor):
                 raw_inputs = raw_inputs.numpy()
             data_path_and_name_and_type = [raw_inputs, "speech", "waveform"]
-        loader = ASRTask.build_streaming_iterator(
-            data_path_and_name_and_type,
+        loader = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
             dtype=dtype,
             fs=fs,
             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,
         )
-        
+
         finish_count = 0
         file_count = 1
         # 7 .Start for-loop
@@ -889,14 +1074,14 @@
             writer = DatadirWriter(output_path)
         else:
             writer = None
-        
+
         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")}
-            
+
             # N-best list of (text, token, token_int, hyp_object)
             try:
                 results = speech2text(**batch)
@@ -904,7 +1089,7 @@
                 logging.warning(f"Utterance {keys} {e}")
                 hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
                 results = [[" ", ["sil"], [2], hyp]] * nbest
-            
+
             # Only supporting batch_size==1
             key = keys[0]
             logging.info(f"Utterance: {key}")
@@ -912,12 +1097,12 @@
                 # Create a directory: outdir/{n}best_recog
                 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:
                     text_postprocessed, word_lists = postprocess_utils.sentence_postprocess(token)
                     item = {'key': key, 'value': text_postprocessed}
@@ -927,8 +1112,543 @@
                     if writer is not None:
                         ibest_writer["text"][key] = " ".join(word_lists)
         return asr_result_list
-    
+
     return _forward
+
+
+def inference_mfcca(
+        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,
+        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,
+        param_dict: dict = None,
+        **kwargs,
+):
+    ncpu = kwargs.get("ncpu", 1)
+    torch.set_num_threads(ncpu)
+    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:
+        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 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,
+        streaming=streaming,
+    )
+    logging.info("speech2text_kwargs: {}".format(speech2text_kwargs))
+    speech2text = Speech2TextMFCCA(**speech2text_kwargs)
+
+    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 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 = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
+            dtype=dtype,
+            batch_size=batch_size,
+            fs=fs,
+            mc=True,
+            key_file=key_file,
+            num_workers=num_workers,
+        )
+
+        finish_count = 0
+        file_count = 1
+        # 7 .Start for-loop
+        # FIXME(kamo): The output format should be discussed about
+        asr_result_list = []
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        if output_path is not None:
+            writer = DatadirWriter(output_path)
+        else:
+            writer = None
+
+        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")}
+
+            # N-best list of (text, token, token_int, hyp_object)
+            try:
+                results = speech2text(**batch)
+            except TooShortUttError as e:
+                logging.warning(f"Utterance {keys} {e}")
+                hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
+                results = [[" ", ["<space>"], [2], hyp]] * nbest
+
+            # Only supporting batch_size==1
+            key = keys[0]
+            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+                # Create a directory: outdir/{n}best_recog
+                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:
+                    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
+        return asr_result_list
+
+    return _forward
+
+
+def inference_transducer(
+        output_dir: str,
+        batch_size: int,
+        dtype: str,
+        beam_size: int,
+        ngpu: int,
+        seed: int,
+        lm_weight: float,
+        nbest: int,
+        num_workers: int,
+        log_level: Union[int, str],
+        # data_path_and_name_and_type: Sequence[Tuple[str, str, str]],
+        asr_train_config: Optional[str],
+        asr_model_file: Optional[str],
+        cmvn_file: Optional[str] = None,
+        beam_search_config: Optional[dict] = None,
+        lm_train_config: Optional[str] = None,
+        lm_file: Optional[str] = None,
+        model_tag: Optional[str] = None,
+        token_type: Optional[str] = None,
+        bpemodel: Optional[str] = None,
+        key_file: Optional[str] = None,
+        allow_variable_data_keys: bool = False,
+        quantize_asr_model: Optional[bool] = False,
+        quantize_modules: Optional[List[str]] = None,
+        quantize_dtype: Optional[str] = "float16",
+        streaming: Optional[bool] = False,
+        simu_streaming: Optional[bool] = False,
+        full_utt: Optional[bool] = False,
+        chunk_size: Optional[int] = 16,
+        left_context: Optional[int] = 16,
+        right_context: Optional[int] = 0,
+        display_partial_hypotheses: bool = False,
+        **kwargs,
+) -> None:
+    """Transducer model inference.
+    Args:
+        output_dir: Output directory path.
+        batch_size: Batch decoding size.
+        dtype: Data type.
+        beam_size: Beam size.
+        ngpu: Number of GPUs.
+        seed: Random number generator seed.
+        lm_weight: Weight of language model.
+        nbest: Number of final hypothesis.
+        num_workers: Number of workers.
+        log_level: Level of verbose for logs.
+        data_path_and_name_and_type:
+        asr_train_config: ASR model training config path.
+        asr_model_file: ASR model path.
+        beam_search_config: Beam search config path.
+        lm_train_config: Language Model training config path.
+        lm_file: Language Model path.
+        model_tag: Model tag.
+        token_type: Type of token units.
+        bpemodel: BPE model path.
+        key_file: File key.
+        allow_variable_data_keys: Whether to allow variable data keys.
+        quantize_asr_model: Whether to apply dynamic quantization to ASR model.
+        quantize_modules: List of module names to apply dynamic quantization on.
+        quantize_dtype: Dynamic quantization data type.
+        streaming: Whether to perform chunk-by-chunk inference.
+        chunk_size: Number of frames in chunk AFTER subsampling.
+        left_context: Number of frames in left context AFTER subsampling.
+        right_context: Number of frames in right context AFTER subsampling.
+        display_partial_hypotheses: Whether to display partial hypotheses.
+    """
+
+    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 speech2text
+    speech2text_kwargs = dict(
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        beam_search_config=beam_search_config,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        bpemodel=bpemodel,
+        device=device,
+        dtype=dtype,
+        beam_size=beam_size,
+        lm_weight=lm_weight,
+        nbest=nbest,
+        quantize_asr_model=quantize_asr_model,
+        quantize_modules=quantize_modules,
+        quantize_dtype=quantize_dtype,
+        streaming=streaming,
+        simu_streaming=simu_streaming,
+        full_utt=full_utt,
+        chunk_size=chunk_size,
+        left_context=left_context,
+        right_context=right_context,
+    )
+    speech2text = Speech2TextTransducer(**speech2text_kwargs)
+
+    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
+        loader = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
+            dtype=dtype,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+        )
+        asr_result_list = []
+
+        if output_dir is not None:
+            writer = DatadirWriter(output_dir)
+        else:
+            writer = None
+
+        # 4 .Start for-loop
+        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")}
+            assert len(batch.keys()) == 1
+
+            try:
+                if speech2text.streaming:
+                    speech = batch["speech"]
+
+                    _steps = len(speech) // speech2text._ctx
+                    _end = 0
+                    for i in range(_steps):
+                        _end = (i + 1) * speech2text._ctx
+
+                        speech2text.streaming_decode(
+                            speech[i * speech2text._ctx: _end + speech2text._right_ctx], is_final=False
+                        )
+
+                    final_hyps = speech2text.streaming_decode(
+                        speech[_end: len(speech)], is_final=True
+                    )
+                elif speech2text.simu_streaming:
+                    final_hyps = speech2text.simu_streaming_decode(**batch)
+                elif speech2text.full_utt:
+                    final_hyps = speech2text.full_utt_decode(**batch)
+                else:
+                    final_hyps = speech2text(**batch)
+
+                results = speech2text.hypotheses_to_results(final_hyps)
+            except TooShortUttError as e:
+                logging.warning(f"Utterance {keys} {e}")
+                hyp = Hypothesis(score=0.0, yseq=[], dec_state=None)
+                results = [[" ", ["<space>"], [2], hyp]] * nbest
+
+            key = keys[0]
+            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+                item = {'key': key, 'value': text}
+                asr_result_list.append(item)
+                if writer is not None:
+                    ibest_writer = writer[f"{n}best_recog"]
+
+                    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, utt: {}, predictions: {}".format(key, text))
+        return asr_result_list
+    return _forward
+
+
+def inference_sa_asr(
+        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,
+        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,
+        mc: bool = False,
+        param_dict: dict = None,
+        **kwargs,
+):
+    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:
+        raise NotImplementedError("only single GPU decoding is supported")
+
+    for handler in logging.root.handlers[:]:
+        logging.root.removeHandler(handler)
+
+    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 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,
+        streaming=streaming,
+    )
+    logging.info("speech2text_kwargs: {}".format(speech2text_kwargs))
+    speech2text = Speech2TextSAASR(**speech2text_kwargs)
+
+    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 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 = build_streaming_iterator(
+            task_name="asr",
+            preprocess_args=speech2text.asr_train_args,
+            data_path_and_name_and_type=data_path_and_name_and_type,
+            dtype=dtype,
+            fs=fs,
+            mc=mc,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+        )
+
+        finish_count = 0
+        file_count = 1
+        # 7 .Start for-loop
+        # FIXME(kamo): The output format should be discussed about
+        asr_result_list = []
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        if output_path is not None:
+            writer = DatadirWriter(output_path)
+        else:
+            writer = None
+
+        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")}
+            # N-best list of (text, token, token_int, hyp_object)
+            try:
+                results = speech2text(**batch)
+            except TooShortUttError as e:
+                logging.warning(f"Utterance {keys} {e}")
+                hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
+                results = [[" ", ["sil"], [2], hyp]] * nbest
+
+            # Only supporting batch_size==1
+            key = keys[0]
+            for n, (text, text_id, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+                # Create a directory: outdir/{n}best_recog
+                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)
+                    ibest_writer["text_id"][key] = text_id
+
+                if text is not None:
+                    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("uttid: {}".format(key))
+                logging.info("text predictions: {}".format(text))
+                logging.info("text_id predictions: {}\n".format(text_id))
+        return asr_result_list
+
+    return _forward
+
+
+def inference_launch(**kwargs):
+    if 'mode' in kwargs:
+        mode = kwargs['mode']
+    else:
+        logging.info("Unknown decoding mode.")
+        return None
+    if mode == "asr":
+        return inference_asr(**kwargs)
+    elif mode == "uniasr":
+        return inference_uniasr(**kwargs)
+    elif mode == "paraformer":
+        return inference_paraformer(**kwargs)
+    elif mode == "paraformer_fake_streaming":
+        return inference_paraformer(**kwargs)
+    elif mode == "paraformer_streaming":
+        return inference_paraformer_online(**kwargs)
+    elif mode.startswith("paraformer_vad"):
+        return inference_paraformer_vad_punc(**kwargs)
+    elif mode == "mfcca":
+        return inference_mfcca(**kwargs)
+    elif mode == "rnnt":
+        return inference_transducer(**kwargs)
+    elif mode == "bat":
+        return inference_transducer(**kwargs)
+    elif mode == "sa_asr":
+        return inference_sa_asr(**kwargs)
+    else:
+        logging.info("Unknown decoding mode: {}".format(mode))
+        return None
 
 
 def get_parser():
@@ -988,14 +1708,20 @@
         action="append",
     )
     group.add_argument("--key_file", type=str_or_none)
+    parser.add_argument(
+        "--hotword",
+        type=str_or_none,
+        default=None,
+        help="hotword file path or hotwords seperated by space"
+    )
     group.add_argument("--allow_variable_data_keys", type=str2bool, default=False)
     group.add_argument(
-            "--mc",
-            type=bool,
-            default=False,
-            help="MultiChannel input",
-        )
-        
+        "--mc",
+        type=bool,
+        default=False,
+        help="MultiChannel input",
+    )
+
     group = parser.add_argument_group("The model configuration related")
     group.add_argument(
         "--vad_infer_config",
@@ -1096,6 +1822,7 @@
     group.add_argument("--ngram_weight", type=float, default=0.9, help="ngram weight")
     group.add_argument("--streaming", type=str2bool, default=False)
     group.add_argument("--simu_streaming", type=str2bool, default=False)
+    group.add_argument("--full_utt", type=str2bool, default=False)
     group.add_argument("--chunk_size", type=int, default=16)
     group.add_argument("--left_context", type=int, default=16)
     group.add_argument("--right_context", type=int, default=0)
@@ -1104,8 +1831,8 @@
         type=bool,
         default=False,
         help="Whether to display partial hypotheses during chunk-by-chunk inference.",
-    )    
-   
+    )
+
     group = parser.add_argument_group("Dynamic quantization related")
     group.add_argument(
         "--quantize_asr_model",
@@ -1129,7 +1856,7 @@
         default="qint8",
         choices=["float16", "qint8"],
         help="Dtype for dynamic quantization.",
-    )    
+    )
 
     group = parser.add_argument_group("Text converter related")
     group.add_argument(
@@ -1157,36 +1884,6 @@
         help="CTC weight in joint decoding",
     )
     return parser
-
-
-
-def inference_launch(**kwargs):
-    if 'mode' in kwargs:
-        mode = kwargs['mode']
-    else:
-        logging.info("Unknown decoding mode.")
-        return None
-    if mode == "asr":
-        from funasr.bin.asr_inference import inference_modelscope
-        return inference_modelscope(**kwargs)
-    elif mode == "uniasr":
-        return inference_uniasr(**kwargs)
-    elif mode == "paraformer":
-        return inference_paraformer(**kwargs)
-    elif mode == "paraformer_streaming":
-        return inference_paraformer_online(**kwargs)
-    elif mode.startswith("paraformer_vad"):
-        return inference_paraformer_vad_punc(**kwargs)
-    elif mode == "mfcca":
-        from funasr.bin.asr_inference_mfcca import inference_modelscope
-        return inference_modelscope(**kwargs)
-    elif mode == "rnnt":
-        from funasr.bin.asr_inference_rnnt import inference_modelscope
-        return inference_modelscope(**kwargs)
-    else:
-        logging.info("Unknown decoding mode: {}".format(mode))
-        return None
-
 
 
 def main(cmd=None):
@@ -1220,6 +1917,5 @@
     return inference_pipeline(kwargs["data_path_and_name_and_type"], hotword=kwargs.get("hotword", None))
 
 
-
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()

--
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