From f9fed09e96f43e7eab88378fc444c4987933badb Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期五, 09 十二月 2022 23:57:51 +0800
Subject: [PATCH] Merge pull request #10 from alibaba-damo-academy/dev

---
 funasr/bin/asr_inference_paraformer.py |  321 ++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 221 insertions(+), 100 deletions(-)

diff --git a/funasr/bin/asr_inference_paraformer.py b/funasr/bin/asr_inference_paraformer.py
index 179a62b..15a37f7 100755
--- a/funasr/bin/asr_inference_paraformer.py
+++ b/funasr/bin/asr_inference_paraformer.py
@@ -8,6 +8,9 @@
 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
@@ -30,7 +33,21 @@
 from funasr.utils.types import str2bool
 from funasr.utils.types import str2triple_str
 from funasr.utils.types import str_or_none
+from funasr.utils import asr_utils, wav_utils, postprocess_utils
+from funasr.models.frontend.wav_frontend import WavFrontend
 
+from modelscope.utils.logger import get_logger
+
+logger = get_logger()
+
+header_colors = '\033[95m'
+end_colors = '\033[0m'
+
+global_asr_language: str = 'zh-cn'
+global_sample_rate: Union[int, Dict[Any, int]] = {
+    'audio_fs': 16000,
+    'model_fs': 16000
+}
 
 class Speech2Text:
     """Speech2Text class
@@ -62,6 +79,7 @@
             ngram_weight: float = 0.9,
             penalty: float = 0.0,
             nbest: int = 1,
+            frontend_conf: dict = None,
             **kwargs,
     ):
         assert check_argument_types()
@@ -71,6 +89,9 @@
         asr_model, asr_train_args = ASRTask.build_model_from_file(
             asr_train_config, asr_model_file, device
         )
+        if asr_model.frontend is None and frontend_conf is not None:
+            frontend = WavFrontend(**frontend_conf)
+            asr_model.frontend = frontend
         logging.info("asr_model: {}".format(asr_model))
         logging.info("asr_train_args: {}".format(asr_train_args))
         asr_model.to(dtype=getattr(torch, dtype)).eval()
@@ -145,6 +166,9 @@
         self.asr_train_args = asr_train_args
         self.converter = converter
         self.tokenizer = tokenizer
+        has_lm = lm_weight == 0.0 or lm_file is None
+        if ctc_weight == 0.0 and has_lm:
+            beam_search = None
         self.beam_search = beam_search
         self.beam_search_transducer = beam_search_transducer
         self.maxlenratio = maxlenratio
@@ -155,12 +179,12 @@
 
     @torch.no_grad()
     def __call__(
-            self, speech: Union[torch.Tensor, np.ndarray]
+            self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None
     ):
         """Inference
 
         Args:
-                data: Input speech data
+                speech: Input speech data
         Returns:
                 text, token, token_int, hyp
 
@@ -172,11 +196,13 @@
             speech = torch.tensor(speech)
 
         # data: (Nsamples,) -> (1, Nsamples)
-        speech = speech.unsqueeze(0).to(getattr(torch, self.dtype))
-        lfr_factor = max(1, (speech.size()[-1]//80)-1)
         # lengths: (1,)
-        lengths = speech.new_full([1], dtype=torch.long, fill_value=speech.size(1))
-        batch = {"speech": speech, "speech_lengths": lengths}
+        if len(speech.size()) < 3:
+            speech = speech.unsqueeze(0).to(getattr(torch, self.dtype))
+            speech_lengths = speech.new_full([1], dtype=torch.long, fill_value=speech.size(1))
+        lfr_factor = max(1, (speech.size()[-1]//80)-1)
+        
+        batch = {"speech": speech, "speech_lengths": speech_lengths}
 
         # a. To device
         batch = to_device(batch, device=self.device)
@@ -185,78 +211,98 @@
         enc, enc_len = self.asr_model.encode(**batch)
         if isinstance(enc, tuple):
             enc = enc[0]
-        assert len(enc) == 1, len(enc)
+        # assert len(enc) == 1, len(enc)
+        enc_len_batch_total = torch.sum(enc_len).item()
 
         predictor_outs = self.asr_model.calc_predictor(enc, enc_len)
         pre_acoustic_embeds, pre_token_length = predictor_outs[0], predictor_outs[1]
-        pre_token_length = pre_token_length.long()
+        pre_token_length = pre_token_length.round().long()
         decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, pre_token_length)
         decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
 
-        nbest_hyps = self.beam_search(
-            x=enc[0], am_scores=decoder_out[0], maxlenratio=self.maxlenratio, minlenratio=self.minlenratio
-        )
-
-        nbest_hyps = nbest_hyps[: self.nbest]
         results = []
-        for hyp in nbest_hyps:
-            assert isinstance(hyp, (Hypothesis)), type(hyp)
-
-            # remove sos/eos and get results
-            last_pos = -1
-            if isinstance(hyp.yseq, list):
-                token_int = hyp.yseq[1:last_pos]
+        b, n, d = decoder_out.size()
+        for i in range(b):
+            x = enc[i, :enc_len[i], :]
+            am_scores = decoder_out[i, :pre_token_length[i], :]
+            if self.beam_search is not None:
+                nbest_hyps = self.beam_search(
+                    x=x, am_scores=am_scores, maxlenratio=self.maxlenratio, minlenratio=self.minlenratio
+                )
+    
+                nbest_hyps = nbest_hyps[: self.nbest]
             else:
-                token_int = hyp.yseq[1:last_pos].tolist()
-
-            # remove blank symbol id, which is assumed to be 0
-            token_int = list(filter(lambda x: x != 0, token_int))
-
-            # Change integer-ids to tokens
-            token = self.converter.ids2tokens(token_int)
-
-            if self.tokenizer is not None:
-                text = self.tokenizer.tokens2text(token)
-            else:
-                text = None
-
-            results.append((text, token, token_int, hyp, speech.size(1), lfr_factor))
+                yseq = am_scores.argmax(dim=-1)
+                score = am_scores.max(dim=-1)[0]
+                score = torch.sum(score, dim=-1)
+                # pad with mask tokens to ensure compatibility with sos/eos tokens
+                yseq = torch.tensor(
+                    [self.asr_model.sos] + yseq.tolist() + [self.asr_model.eos], device=yseq.device
+                )
+                nbest_hyps = [Hypothesis(yseq=yseq, score=score)]
+                
+            for hyp in nbest_hyps:
+                assert isinstance(hyp, (Hypothesis)), type(hyp)
+    
+                # remove sos/eos and get results
+                last_pos = -1
+                if isinstance(hyp.yseq, list):
+                    token_int = hyp.yseq[1:last_pos]
+                else:
+                    token_int = hyp.yseq[1:last_pos].tolist()
+    
+                # remove blank symbol id, which is assumed to be 0
+                token_int = list(filter(lambda x: x != 0, token_int))
+    
+                # Change integer-ids to tokens
+                token = self.converter.ids2tokens(token_int)
+    
+                if self.tokenizer is not None:
+                    text = self.tokenizer.tokens2text(token)
+                else:
+                    text = None
+    
+                results.append((text, token, token_int, hyp, enc_len_batch_total, lfr_factor))
 
         # assert check_return_type(results)
         return results
 
 
 def inference(
-        output_dir: str,
         maxlenratio: float,
         minlenratio: float,
         batch_size: int,
-        dtype: str,
         beam_size: int,
         ngpu: int,
-        seed: int,
         ctc_weight: float,
         lm_weight: float,
-        ngram_weight: float,
         penalty: float,
-        nbest: int,
-        num_workers: int,
         log_level: Union[int, str],
-        data_path_and_name_and_type: Sequence[Tuple[str, str, str]],
-        key_file: Optional[str],
+        data_path_and_name_and_type,
         asr_train_config: Optional[str],
         asr_model_file: Optional[str],
-        lm_train_config: Optional[str],
-        lm_file: Optional[str],
-        word_lm_train_config: Optional[str],
-        token_type: Optional[str],
-        bpemodel: Optional[str],
-        allow_variable_data_keys: bool,
+        audio_lists: Union[List[Any], bytes] = None,
+        lm_train_config: Optional[str] = None,
+        lm_file: Optional[str] = None,
+        token_type: Optional[str] = None,
+        key_file: Optional[str] = None,
+        word_lm_train_config: Optional[str] = None,
+        bpemodel: Optional[str] = None,
+        allow_variable_data_keys: bool = False,
+        streaming: bool = False,
+        output_dir: Optional[str] = None,
+        dtype: str = "float32",
+        seed: int = 0,
+        ngram_weight: float = 0.9,
+        nbest: int = 1,
+        num_workers: int = 1,
+        frontend_conf: dict = None,
+        fs: Union[dict, int] = 16000,
+        lang: Optional[str] = None,
         **kwargs,
 ):
     assert check_argument_types()
-    if batch_size > 1:
-        raise NotImplementedError("batch decoding is not implemented")
+
     if word_lm_train_config is not None:
         raise NotImplementedError("Word LM is not implemented")
     if ngpu > 1:
@@ -271,7 +317,46 @@
         device = "cuda"
     else:
         device = "cpu"
+    hop_length: int = 160
+    sr: int = 16000
+    if isinstance(fs, int):
+        sr = fs
+    else:
+        if 'model_fs' in fs and fs['model_fs'] is not None:
+            sr = fs['model_fs']
+    # data_path_and_name_and_type for modelscope: (data from audio_lists)
+    # ['speech', 'sound', 'am.mvn']
+    # data_path_and_name_and_type for funasr:
+    # [('/mnt/data/jiangyu.xzy/exp/maas/mvn.1.scp', 'speech', 'kaldi_ark')]
+    if isinstance(data_path_and_name_and_type[0], Tuple):
+        features_type: str = data_path_and_name_and_type[0][1]
+    elif isinstance(data_path_and_name_and_type[0], str):
+        features_type: str = data_path_and_name_and_type[1]
+    else:
+        raise NotImplementedError("unknown features type:{0}".format(data_path_and_name_and_type))
+    if features_type != 'sound':
+        frontend_conf = None
+        flag_modelscope = False
+    else:
+        flag_modelscope = True
+    if frontend_conf is not None:
+        if 'hop_length' in frontend_conf:
+            hop_length = frontend_conf['hop_length']
 
+    finish_count = 0
+    file_count = 1
+    if flag_modelscope and not isinstance(data_path_and_name_and_type[0], Tuple):
+        data_path_and_name_and_type_new = [
+            audio_lists, data_path_and_name_and_type[0], data_path_and_name_and_type[1]
+        ]
+        if isinstance(audio_lists, bytes):
+            file_count = 1
+        else:
+            file_count = len(audio_lists)
+        if len(data_path_and_name_and_type) >= 3 and frontend_conf is not None:
+            mvn_file = data_path_and_name_and_type[2]
+            mvn_data = wav_utils.extract_CMVN_featrures(mvn_file)
+            frontend_conf['mvn_data'] = mvn_data
     # 1. Set random-seed
     set_all_random_seed(seed)
 
@@ -293,73 +378,107 @@
         ngram_weight=ngram_weight,
         penalty=penalty,
         nbest=nbest,
+        frontend_conf=frontend_conf,
     )
     speech2text = Speech2Text(**speech2text_kwargs)
 
     # 3. Build data-iterator
-    loader = ASRTask.build_streaming_iterator(
-        data_path_and_name_and_type,
-        dtype=dtype,
-        batch_size=batch_size,
-        key_file=key_file,
-        num_workers=num_workers,
-        preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False),
-        collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False),
-        allow_variable_data_keys=allow_variable_data_keys,
-        inference=True,
-    )
+    if flag_modelscope:
+        loader = ASRTask.build_streaming_iterator_modelscope(
+            data_path_and_name_and_type_new,
+            dtype=dtype,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+            preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False),
+            collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False),
+            allow_variable_data_keys=allow_variable_data_keys,
+            inference=True,
+            sample_rate=fs
+        )
+    else:
+        loader = ASRTask.build_streaming_iterator(
+            data_path_and_name_and_type,
+            dtype=dtype,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+            preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False),
+            collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False),
+            allow_variable_data_keys=allow_variable_data_keys,
+            inference=True,
+        )
 
     forward_time_total = 0.0
     length_total = 0.0
     # 7 .Start for-loop
     # FIXME(kamo): The output format should be discussed about
-    with DatadirWriter(output_dir) as writer:
-        for keys, batch in loader:
-            assert isinstance(batch, dict), type(batch)
-            assert all(isinstance(s, str) for s in keys), keys
-            _bs = len(next(iter(batch.values())))
-            assert len(keys) == _bs, f"{len(keys)} != {_bs}"
-            batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")}
+    asr_result_list = []
+    if output_dir is not None:
+        writer = DatadirWriter(output_dir)
+    else:
+        writer = None
 
-            logging.info("decoding, utt_id: {}".format(keys))
-            # N-best list of (text, token, token_int, hyp_object)
+    for keys, batch in loader:
+        assert isinstance(batch, dict), type(batch)
+        assert all(isinstance(s, str) for s in keys), keys
+        _bs = len(next(iter(batch.values())))
+        assert len(keys) == _bs, f"{len(keys)} != {_bs}"
+        # batch = {k: v for k, v in batch.items() if not k.endswith("_lengths")}
 
-            try:
-                time_beg = time.time()
-                results = speech2text(**batch)
-                time_end = time.time()
-                forward_time = time_end - time_beg
-                lfr_factor = results[0][-1]
-                length = results[0][-2]
-                results = [results[0][:-2]]
-                forward_time_total += forward_time
-                length_total += length
-                logging.info(
-                    "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}".
-                        format(length, forward_time, 100 * forward_time / (length*lfr_factor)))
-            except TooShortUttError as e:
-                logging.warning(f"Utterance {keys} {e}")
-                hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
-                results = [[" ", ["<space>"], [2], hyp]] * nbest
+        logging.info("decoding, utt_id: {}".format(keys))
+        # N-best list of (text, token, token_int, hyp_object)
 
-            # Only supporting batch_size==1
-            key = keys[0]
-            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+        time_beg = time.time()
+        results = speech2text(**batch)
+        time_end = time.time()
+        forward_time = time_end - time_beg
+        lfr_factor = results[0][-1]
+        length = results[0][-2]
+        forward_time_total += forward_time
+        length_total += length
+        logging.info(
+            "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}".
+                format(length, forward_time, 100 * forward_time / (length*lfr_factor)))
+        
+        for batch_id in range(len(results)):
+            result = [results[batch_id][:-2]]
+    
+            key = keys[batch_id]
+            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), result):
                 # Create a directory: outdir/{n}best_recog
-                ibest_writer = writer[f"{n}best_recog"]
-
-                # Write the result to each file
-                ibest_writer["token"][key] = " ".join(token)
-                ibest_writer["token_int"][key] = " ".join(map(str, token_int))
-                ibest_writer["score"][key] = str(hyp.score)
-
+                if writer is not None:
+                    ibest_writer = writer[f"{n}best_recog"]
+    
+                    # Write the result to each file
+                    ibest_writer["token"][key] = " ".join(token)
+                    ibest_writer["token_int"][key] = " ".join(map(str, token_int))
+                    ibest_writer["score"][key] = str(hyp.score)
+    
                 if text is not None:
-                    ibest_writer["text"][key] = text
-
-                logging.info("decoding, predictions: {}".format(text))
+                    text_postprocessed = postprocess_utils.sentence_postprocess(token)
+                    item = {'key': key, 'value': text_postprocessed}
+                    asr_result_list.append(item)
+                    finish_count += 1
+                    asr_utils.print_progress(finish_count / file_count)
+                    if writer is not None:
+                        ibest_writer["text"][key] = text
+    
+                logging.info("decoding, utt: {}, predictions: {}".format(key, text))
 
     logging.info("decoding, feature length total: {}, forward_time total: {:.4f}, rtf avg: {:.4f}".
                  format(length_total, forward_time_total, 100 * forward_time_total / (length_total*lfr_factor)))
+    return asr_result_list
+
+
+def set_parameters(language: str = None,
+                   sample_rate: Union[int, Dict[Any, int]] = None):
+    if language is not None:
+        global global_asr_language
+        global_asr_language = language
+    if sample_rate is not None:
+        global global_sample_rate
+        global_sample_rate = sample_rate
 
 
 def get_parser():
@@ -494,6 +613,8 @@
         default=None,
         help="",
     )
+    group.add_argument("--audio_lists", type=list, default=None)
+    # example=[{'key':'EdevDEWdIYQ_0021','file':'/mnt/data/jiangyu.xzy/test_data/speech_io/SPEECHIO_ASR_ZH00007_zhibodaihuo/wav/EdevDEWdIYQ_0021.wav'}])
 
     group = parser.add_argument_group("Text converter related")
     group.add_argument(

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