From b15db52e4e67da8a133a67e8ffa415386de48b40 Mon Sep 17 00:00:00 2001
From: zhuyunfeng <10596244@qq.com>
Date: 星期二, 09 五月 2023 23:03:15 +0800
Subject: [PATCH] Add contributor

---
 funasr/bin/asr_inference_paraformer.py |   52 ++++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/funasr/bin/asr_inference_paraformer.py b/funasr/bin/asr_inference_paraformer.py
index e45e575..5335860 100644
--- a/funasr/bin/asr_inference_paraformer.py
+++ b/funasr/bin/asr_inference_paraformer.py
@@ -41,8 +41,10 @@
 from funasr.utils import asr_utils, wav_utils, postprocess_utils
 from funasr.models.frontend.wav_frontend import WavFrontend
 from funasr.models.e2e_asr_paraformer import BiCifParaformer, ContextualParaformer
+from funasr.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
 
 
 class Speech2Text:
@@ -235,7 +237,7 @@
         pre_token_length = pre_token_length.round().long()
         if torch.max(pre_token_length) < 1:
             return []
-        if not isinstance(self.asr_model, ContextualParaformer):
+        if not isinstance(self.asr_model, ContextualParaformer) and not isinstance(self.asr_model, NeatContextualParaformer):
             if self.hotword_list:
                 logging.warning("Hotword is given but asr model is not a ContextualParaformer.")
             decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, pre_token_length)
@@ -540,7 +542,8 @@
         ngram_weight: float = 0.9,
         nbest: int = 1,
         num_workers: int = 1,
-
+        timestamp_infer_config: Union[Path, str] = None,
+        timestamp_model_file: Union[Path, str] = None,
         **kwargs,
 ):
     inference_pipeline = inference_modelscope(
@@ -604,11 +607,15 @@
         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,
 ):
     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:
@@ -625,7 +632,9 @@
         export_mode = param_dict.get("export_mode", False)
     else:
         hotword_list_or_file = None
-
+    
+    if kwargs.get("device", None) == "cpu":
+        ngpu = 0
     if ngpu >= 1 and torch.cuda.is_available():
         device = "cuda"
     else:
@@ -660,6 +669,15 @@
         speech2text = Speech2TextExport(**speech2text_kwargs)
     else:
         speech2text = Speech2Text(**speech2text_kwargs)
+
+    if timestamp_model_file is not None:
+        speechtext2timestamp = SpeechText2Timestamp(
+            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,
@@ -744,7 +762,17 @@
                 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]
-                    time_stamp = None if len(result) < 5 else result[4]
+                    timestamp = None if len(result) < 5 else result[4]
+                    # conduct timestamp prediction here
+                    # timestamp inference requires token length
+                    # thus following inference cannot be conducted in batch
+                    if timestamp is None and speechtext2timestamp:
+                        ts_batch = {}
+                        ts_batch['speech'] = batch['speech'][batch_id].unsqueeze(0)
+                        ts_batch['speech_lengths'] = torch.tensor([batch['speech_lengths'][batch_id]])
+                        ts_batch['text_lengths'] = torch.tensor([len(token)])
+                        us_alphas, us_peaks = speechtext2timestamp(**ts_batch)
+                        ts_str, timestamp = ts_prediction_lfr6_standard(us_alphas[0], us_peaks[0], token, force_time_shift=-3.0)
                     # Create a directory: outdir/{n}best_recog
                     if writer is not None:
                         ibest_writer = writer[f"{n}best_recog"]
@@ -756,25 +784,25 @@
                         ibest_writer["rtf"][key] = rtf_cur
 
                     if text is not None:
-                        if use_timestamp and time_stamp is not None:
-                            postprocessed_result = postprocess_utils.sentence_postprocess(token, time_stamp)
+                        if use_timestamp and timestamp is not None:
+                            postprocessed_result = postprocess_utils.sentence_postprocess(token, timestamp)
                         else:
                             postprocessed_result = postprocess_utils.sentence_postprocess(token)
-                        time_stamp_postprocessed = ""
+                        timestamp_postprocessed = ""
                         if len(postprocessed_result) == 3:
-                            text_postprocessed, time_stamp_postprocessed, word_lists = postprocessed_result[0], \
+                            text_postprocessed, timestamp_postprocessed, word_lists = postprocessed_result[0], \
                                                                                        postprocessed_result[1], \
                                                                                        postprocessed_result[2]
                         else:
                             text_postprocessed, word_lists = postprocessed_result[0], postprocessed_result[1]
                         item = {'key': key, 'value': text_postprocessed}
-                        if time_stamp_postprocessed != "":
-                            item['time_stamp'] = time_stamp_postprocessed
+                        if timestamp_postprocessed != "":
+                            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] = text_postprocessed
+                            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, 100 * forward_time_total / (length_total * lfr_factor))

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