From 0271fbe4fd11114c259ec970b1b04938010a16e3 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期二, 16 五月 2023 18:53:33 +0800
Subject: [PATCH] inference

---
 funasr/bin/asr_inference_launch.py |  164 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 164 insertions(+), 0 deletions(-)

diff --git a/funasr/bin/asr_inference_launch.py b/funasr/bin/asr_inference_launch.py
index f9b8571..dbbb3ed 100644
--- a/funasr/bin/asr_inference_launch.py
+++ b/funasr/bin/asr_inference_launch.py
@@ -77,6 +77,7 @@
 from funasr.bin.punc_infer import Text2Punc
 from funasr.bin.tp_infer import Speech2Timestamp
 from funasr.bin.asr_infer import Speech2TextTransducer
+from funasr.bin.asr_infer import Speech2TextSAASR
 
 def inference_asr(
     maxlenratio: float,
@@ -1444,6 +1445,167 @@
     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,
+):
+    assert check_argument_types()
+    if batch_size > 1:
+        raise NotImplementedError("batch decoding is not implemented")
+    if word_lm_train_config is not None:
+        raise NotImplementedError("Word LM is not implemented")
+    if ngpu > 1:
+        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 = ASRTask.build_streaming_iterator(
+            data_path_and_name_and_type,
+            dtype=dtype,
+            fs=fs,
+            mc=mc,
+            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
+        # 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']
@@ -1464,6 +1626,8 @@
         return inference_mfcca(**kwargs)
     elif mode == "rnnt":
         return inference_transducer(**kwargs)
+    elif mode == "sa_asr":
+        return inference_sa_asr(**kwargs)
     else:
         logging.info("Unknown decoding mode: {}".format(mode))
         return None

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