From 4d0bbae6830019dc3a856754dada8ddc1416e83e Mon Sep 17 00:00:00 2001
From: Lizerui9926 <110582652+Lizerui9926@users.noreply.github.com>
Date: 星期四, 12 十月 2023 16:19:13 +0800
Subject: [PATCH] Merge pull request #1003 from alibaba-damo-academy/dev_lzr_en

---
 funasr/bin/asr_inference_launch.py |  158 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 158 insertions(+), 0 deletions(-)

diff --git a/funasr/bin/asr_inference_launch.py b/funasr/bin/asr_inference_launch.py
index c728d72..e3de05b 100644
--- a/funasr/bin/asr_inference_launch.py
+++ b/funasr/bin/asr_inference_launch.py
@@ -29,6 +29,7 @@
 from funasr.bin.asr_infer import Speech2TextSAASR
 from funasr.bin.asr_infer import Speech2TextTransducer
 from funasr.bin.asr_infer import Speech2TextUniASR
+from funasr.bin.asr_infer import Speech2TextWhisper
 from funasr.bin.punc_infer import Text2Punc
 from funasr.bin.tp_infer import Speech2Timestamp
 from funasr.bin.vad_infer import Speech2VadSegment
@@ -2020,6 +2021,161 @@
 
     return _forward
 
+def inference_whisper(
+        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,
+):
+
+    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 = Speech2TextWhisper(**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, language) 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["language"][key] = language
+
+                if text is not None:
+                    item = {'key': key, 'value': text}
+                    asr_result_list.append(item)
+                    finish_count += 1
+                    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_launch(**kwargs):
     if 'mode' in kwargs:
@@ -2049,6 +2205,8 @@
         return inference_transducer(**kwargs)
     elif mode == "sa_asr":
         return inference_sa_asr(**kwargs)
+    elif mode == "whisper":
+        return inference_whisper(**kwargs)
     else:
         logging.info("Unknown decoding mode: {}".format(mode))
         return None

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