From 297fafd674715bcd849557616bd22b6791460f31 Mon Sep 17 00:00:00 2001
From: haoneng.lhn <haoneng.lhn@alibaba-inc.com>
Date: 星期四, 04 五月 2023 16:40:34 +0800
Subject: [PATCH] update streaming paraformer text process
---
funasr/bin/asr_inference_paraformer_streaming.py | 48 +++++++++++++++++++++++++++++++++++++-----------
1 files changed, 37 insertions(+), 11 deletions(-)
diff --git a/funasr/bin/asr_inference_paraformer_streaming.py b/funasr/bin/asr_inference_paraformer_streaming.py
index ff8bb8c..341abe6 100644
--- a/funasr/bin/asr_inference_paraformer_streaming.py
+++ b/funasr/bin/asr_inference_paraformer_streaming.py
@@ -20,6 +20,7 @@
import numpy as np
import torch
+import torchaudio
from typeguard import check_argument_types
from funasr.fileio.datadir_writer import DatadirWriter
@@ -204,9 +205,12 @@
results = []
cache_en = cache["encoder"]
if speech.shape[1] < 16 * 60 and cache_en["is_final"]:
+ if cache_en["start_idx"] == 0:
+ return []
cache_en["tail_chunk"] = True
feats = cache_en["feats"]
feats_len = torch.tensor([feats.shape[1]])
+ self.asr_model.frontend = None
results = self.infer(feats, feats_len, cache)
return results
else:
@@ -235,7 +239,7 @@
feats_len = torch.tensor([feats_chunk2.shape[1]])
results_chunk2 = self.infer(feats_chunk2, feats_len, cache)
- return ["".join(results_chunk1 + results_chunk2)]
+ return [" ".join(results_chunk1 + results_chunk2)]
results = self.infer(feats, feats_len, cache)
@@ -295,12 +299,13 @@
# Change integer-ids to tokens
token = self.converter.ids2tokens(token_int)
+ token = " ".join(token)
- if self.tokenizer is not None:
- text = self.tokenizer.tokens2text(token)
- else:
- text = None
- results.append(text)
+ #if self.tokenizer is not None:
+ # text = self.tokenizer.tokens2text(token)
+ #else:
+ # text = None
+ results.append(token)
# assert check_return_type(results)
return results
@@ -515,6 +520,8 @@
if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "bytes":
raw_inputs = _load_bytes(data_path_and_name_and_type[0])
raw_inputs = torch.tensor(raw_inputs)
+ if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "sound":
+ raw_inputs = torchaudio.load(data_path_and_name_and_type[0])[0][0]
if data_path_and_name_and_type is None and raw_inputs is not None:
if isinstance(raw_inputs, np.ndarray):
raw_inputs = torch.tensor(raw_inputs)
@@ -531,13 +538,32 @@
# 7 .Start for-loop
# FIXME(kamo): The output format should be discussed about
raw_inputs = torch.unsqueeze(raw_inputs, axis=0)
- input_lens = torch.tensor([raw_inputs.shape[1]])
asr_result_list = []
-
cache = _prepare_cache(cache, chunk_size=chunk_size, batch_size=1)
- cache["encoder"]["is_final"] = is_final
- asr_result = speech2text(cache, raw_inputs, input_lens)
- item = {'key': "utt", 'value': asr_result}
+ item = {}
+ if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "sound":
+ sample_offset = 0
+ speech_length = raw_inputs.shape[1]
+ stride_size = chunk_size[1] * 960
+ cache = _prepare_cache(cache, chunk_size=chunk_size, batch_size=1)
+ final_result = ""
+ for sample_offset in range(0, speech_length, min(stride_size, speech_length - sample_offset)):
+ if sample_offset + stride_size >= speech_length - 1:
+ stride_size = speech_length - sample_offset
+ cache["encoder"]["is_final"] = True
+ else:
+ cache["encoder"]["is_final"] = False
+ input_lens = torch.tensor([stride_size])
+ asr_result = speech2text(cache, raw_inputs[:, sample_offset: sample_offset + stride_size], input_lens)
+ if len(asr_result) != 0:
+ final_result += asr_result[0]
+ item = {'key': "utt", 'value': [final_result]}
+ else:
+ input_lens = torch.tensor([raw_inputs.shape[1]])
+ cache["encoder"]["is_final"] = is_final
+ asr_result = speech2text(cache, raw_inputs, input_lens)
+ item = {'key': "utt", 'value': asr_result}
+
asr_result_list.append(item)
if is_final:
cache = _cache_reset(cache, chunk_size=chunk_size, batch_size=1)
--
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