From 19467b57f6476cc0ba5493c0dcde3d15a0c88c2c Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 27 二月 2023 17:04:19 +0800
Subject: [PATCH] Merge pull request #160 from alibaba-damo-academy/dev_onnx

---
 funasr/runtime/python/onnxruntime/rapid_paraformer/paraformer_onnx.py |   63 +++++++++++++++++++++++++++++++
 1 files changed, 62 insertions(+), 1 deletions(-)

diff --git a/funasr/runtime/python/onnxruntime/rapid_paraformer/paraformer_onnx.py b/funasr/runtime/python/onnxruntime/rapid_paraformer/paraformer_onnx.py
index a786ef0..d77bcf7 100644
--- a/funasr/runtime/python/onnxruntime/rapid_paraformer/paraformer_onnx.py
+++ b/funasr/runtime/python/onnxruntime/rapid_paraformer/paraformer_onnx.py
@@ -5,6 +5,7 @@
 from pathlib import Path
 from typing import List, Union, Tuple
 
+import copy
 import librosa
 import numpy as np
 
@@ -13,6 +14,7 @@
                           read_yaml)
 from .utils.postprocess_utils import sentence_postprocess
 from .utils.frontend import WavFrontend
+from funasr.utils.timestamp_tools import time_stamp_lfr6_pl
 
 logging = get_logger()
 
@@ -134,8 +136,67 @@
 
         # Change integer-ids to tokens
         token = self.converter.ids2tokens(token_int)
-        token = token[:valid_token_num-1]
+        # token = token[:valid_token_num-1]
         texts = sentence_postprocess(token)
         text = texts[0]
         # text = self.tokenizer.tokens2text(token)
         return text
+
+
+class BiCifParaformer(Paraformer):
+    def infer(self, feats: np.ndarray,
+              feats_len: np.ndarray) -> Tuple[np.ndarray, np.ndarray]:
+        am_scores, token_nums, us_alphas, us_cif_peak = self.ort_infer([feats, feats_len])
+        return am_scores, token_nums, us_alphas, us_cif_peak
+    def __call__(self, wav_content: Union[str, np.ndarray, List[str]], **kwargs) -> List:
+        waveform_list = self.load_data(wav_content, self.frontend.opts.frame_opts.samp_freq)
+        waveform_nums = len(waveform_list)
+
+        asr_res = []
+        for beg_idx in range(0, waveform_nums, self.batch_size):
+            res = {}
+            end_idx = min(waveform_nums, beg_idx + self.batch_size)
+            feats, feats_len = self.extract_feat(waveform_list[beg_idx:end_idx])
+            am_scores, valid_token_lens, us_alphas, us_cif_peak = self.infer(feats, feats_len)
+
+            try:
+                am_scores, valid_token_lens, us_alphas, us_cif_peak = self.infer(feats, feats_len)
+            except ONNXRuntimeError:
+                #logging.warning(traceback.format_exc())
+                logging.warning("input wav is silence or noise")
+                preds = ['']
+            else:
+                token = self.decode(am_scores, valid_token_lens)
+                timestamp = time_stamp_lfr6_pl(us_alphas, us_cif_peak, copy.copy(token[0]), log=False)
+                texts = sentence_postprocess(token[0], timestamp)
+                # texts = sentence_postprocess(token[0])
+                text = texts[0]
+            res['text'] = text
+            res['timestamp'] = timestamp
+            asr_res.append(res)
+
+        return asr_res
+
+    def decode_one(self,
+                   am_score: np.ndarray,
+                   valid_token_num: int) -> List[str]:
+        yseq = am_score.argmax(axis=-1)
+        score = am_score.max(axis=-1)
+        score = np.sum(score, axis=-1)
+
+        # pad with mask tokens to ensure compatibility with sos/eos tokens
+        # asr_model.sos:1  asr_model.eos:2
+        yseq = np.array([1] + yseq.tolist() + [2])
+        hyp = Hypothesis(yseq=yseq, score=score)
+
+        # remove sos/eos and get results
+        last_pos = -1
+        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 not in (0, 2), token_int))
+
+        # Change integer-ids to tokens
+        token = self.converter.ids2tokens(token_int)
+        # token = token[:valid_token_num-1]
+        return token
\ No newline at end of file

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