From 6c3d68927daa4852b663617ba727618975c66e91 Mon Sep 17 00:00:00 2001
From: haoneng.lhn <haoneng.lhn@alibaba-inc.com>
Date: 星期五, 24 三月 2023 11:30:51 +0800
Subject: [PATCH] update paraformer streaming recipe
---
egs_modelscope/asr/paraformer/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/infer.py | 58 +++-------
funasr/bin/asr_inference_paraformer_streaming.py | 196 ++++++++++++++++-----------------------
2 files changed, 99 insertions(+), 155 deletions(-)
diff --git a/egs_modelscope/asr/paraformer/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/infer.py b/egs_modelscope/asr/paraformer/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/infer.py
index c1c541b..2eb9cc8 100644
--- a/egs_modelscope/asr/paraformer/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/infer.py
+++ b/egs_modelscope/asr/paraformer/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/infer.py
@@ -1,57 +1,37 @@
+import os
+import logging
import torch
-import torchaudio
+import soundfile
+
from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks
-
from modelscope.utils.logger import get_logger
-import logging
+
logger = get_logger(log_level=logging.CRITICAL)
logger.setLevel(logging.CRITICAL)
+os.environ["MODELSCOPE_CACHE"] = "./"
inference_pipeline = pipeline(
task=Tasks.auto_speech_recognition,
model='damo/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online',
model_revision='v1.0.2')
-waveform, sample_rate = torchaudio.load("waihu.wav")
-speech_length = waveform.shape[1]
-speech = waveform[0]
+model_dir = os.path.join(os.environ["MODELSCOPE_CACHE"], "damo/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online")
+speech, sample_rate = soundfile.read(os.path.join(model_dir, "example/asr_example.wav"))
+speech_length = speech.shape[0]
-cache_en = {"start_idx": 0, "pad_left": 0, "stride": 10, "pad_right": 5, "cif_hidden": None, "cif_alphas": None}
-cache_de = {"decode_fsmn": None}
-cache = {"encoder": cache_en, "decoder": cache_de}
-param_dict = {}
-param_dict["cache"] = cache
-
-first_chunk = True
-speech_buffer = speech
-speech_cache = []
+sample_offset = 0
+step = 4800 #300ms
+param_dict = {"cache": dict(), "is_final": False}
final_result = ""
-while len(speech_buffer) >= 960:
- if first_chunk:
- if len(speech_buffer) >= 14400:
- rec_result = inference_pipeline(audio_in=speech_buffer[0:14400], param_dict=param_dict)
- speech_buffer = speech_buffer[4800:]
- else:
- cache_en["stride"] = len(speech_buffer) // 960
- cache_en["pad_right"] = 0
- rec_result = inference_pipeline(audio_in=speech_buffer, param_dict=param_dict)
- speech_buffer = []
- cache_en["start_idx"] = -5
- first_chunk = False
- else:
- cache_en["start_idx"] += 10
- if len(speech_buffer) >= 4800:
- cache_en["pad_left"] = 5
- rec_result = inference_pipeline(audio_in=speech_buffer[:19200], param_dict=param_dict)
- speech_buffer = speech_buffer[9600:]
- else:
- cache_en["stride"] = len(speech_buffer) // 960
- cache_en["pad_right"] = 0
- rec_result = inference_pipeline(audio_in=speech_buffer, param_dict=param_dict)
- speech_buffer = []
- if len(rec_result) !=0 and rec_result['text'] != "sil":
+for sample_offset in range(0, speech_length, min(step, speech_length - sample_offset)):
+ if sample_offset + step >= speech_length - 1:
+ step = speech_length - sample_offset
+ param_dict["is_final"] = True
+ rec_result = inference_pipeline(audio_in=speech[sample_offset: sample_offset + step],
+ param_dict=param_dict)
+ if len(rec_result) != 0 and rec_result['text'] != "sil" and rec_result['text'] != "waiting_for_more_voice":
final_result += rec_result['text']
print(rec_result)
print(final_result)
diff --git a/funasr/bin/asr_inference_paraformer_streaming.py b/funasr/bin/asr_inference_paraformer_streaming.py
index 9b572a0..907f190 100644
--- a/funasr/bin/asr_inference_paraformer_streaming.py
+++ b/funasr/bin/asr_inference_paraformer_streaming.py
@@ -544,11 +544,6 @@
)
export_mode = False
- if param_dict is not None:
- hotword_list_or_file = param_dict.get('hotword')
- export_mode = param_dict.get("export_mode", False)
- else:
- hotword_list_or_file = None
if ngpu >= 1 and torch.cuda.is_available():
device = "cuda"
@@ -578,7 +573,6 @@
ngram_weight=ngram_weight,
penalty=penalty,
nbest=nbest,
- hotword_list_or_file=hotword_list_or_file,
)
if export_mode:
speech2text = Speech2TextExport(**speech2text_kwargs)
@@ -594,123 +588,92 @@
**kwargs,
):
- hotword_list_or_file = None
- if param_dict is not None:
- hotword_list_or_file = param_dict.get('hotword')
- if 'hotword' in kwargs:
- hotword_list_or_file = kwargs['hotword']
- if hotword_list_or_file is not None or 'hotword' in kwargs:
- speech2text.hotword_list = speech2text.generate_hotwords_list(hotword_list_or_file)
-
# 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 = ASRTask.build_streaming_iterator(
- data_path_and_name_and_type,
- dtype=dtype,
- fs=fs,
- 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 isinstance(raw_inputs, np.ndarray):
+ raw_inputs = torch.tensor(raw_inputs)
- if param_dict is not None:
- use_timestamp = param_dict.get('use_timestamp', True)
- else:
- use_timestamp = True
-
- forward_time_total = 0.0
- length_total = 0.0
- finish_count = 0
- file_count = 1
- cache = None
+ is_final = False
+ if param_dict is not None and "cache" in param_dict:
+ cache = param_dict["cache"]
+ if param_dict is not None and "is_final" in param_dict:
+ is_final = param_dict["is_final"]
# 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)
+ results = []
+ asr_result = ""
+ wait = True
+ if len(cache) == 0:
+ cache["encoder"] = {"start_idx": 0, "pad_left": 0, "stride": 10, "pad_right": 5, "cif_hidden": None, "cif_alphas": None}
+ cache_de = {"decode_fsmn": None}
+ cache["decoder"] = cache_de
+ cache["first_chunk"] = True
+ cache["speech"] = []
+ cache["chunk_index"] = 0
+ cache["speech_chunk"] = []
+
+ if raw_inputs is not None:
+ if len(cache["speech"]) == 0:
+ cache["speech"] = raw_inputs
+ else:
+ cache["speech"] = torch.cat([cache["speech"], raw_inputs], dim=0)
+ if len(cache["speech_chunk"]) == 0:
+ cache["speech_chunk"] = raw_inputs
+ else:
+ cache["speech_chunk"] = torch.cat([cache["speech_chunk"], raw_inputs], dim=0)
+ while len(cache["speech_chunk"]) >= 960:
+ if cache["first_chunk"]:
+ if len(cache["speech_chunk"]) >= 14400:
+ speech = torch.unsqueeze(cache["speech_chunk"][0:14400], axis=0)
+ speech_length = torch.tensor([14400])
+ results = speech2text(cache, speech, speech_length)
+ cache["speech_chunk"]= cache["speech_chunk"][4800:]
+ cache["first_chunk"] = False
+ cache["encoder"]["start_idx"] = -5
+ wait = False
+ else:
+ if is_final:
+ cache["encoder"]["stride"] = len(cache["speech_chunk"]) // 960
+ cache["encoder"]["pad_right"] = 0
+ speech = torch.unsqueeze(cache["speech_chunk"], axis=0)
+ speech_length = torch.tensor([len(cache["speech_chunk"])])
+ results = speech2text(cache, speech, speech_length)
+ cache["speech_chunk"] = []
+ wait = False
+ else:
+ break
+ else:
+ if len(cache["speech_chunk"]) >= 19200:
+ cache["encoder"]["start_idx"] += 10
+ cache["encoder"]["pad_left"] = 5
+ speech = torch.unsqueeze(cache["speech_chunk"][:19200], axis=0)
+ speech_length = torch.tensor([19200])
+ results = speech2text(cache, speech, speech_length)
+ cache["speech_chunk"] = cache["speech_chunk"][9600:]
+ wait = False
+ else:
+ if is_final:
+ cache["encoder"]["stride"] = len(cache["speech_chunk"]) // 960
+ cache["encoder"]["pad_right"] = 0
+ speech = torch.unsqueeze(cache["speech_chunk"], axis=0)
+ speech_length = torch.tensor([len(cache["speech_chunk"])])
+ results = speech2text(cache, speech, speech_length)
+ cache["speech_chunk"] = []
+ wait = False
+ else:
+ break
+
+ if len(results) >= 1:
+ asr_result += results[0][0]
+ if asr_result == "":
+ asr_result = "sil"
+ if wait:
+ asr_result = "waiting_for_more_voice"
+ item = {'key': "utt", 'value': asr_result}
+ asr_result_list.append(item)
else:
- writer = None
- if param_dict is not None and "cache" in param_dict:
- cache = param_dict["cache"]
- 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")}
- logging.info("decoding, utt_id: {}".format(keys))
- # N-best list of (text, token, token_int, hyp_object)
-
- time_beg = time.time()
- results = speech2text(cache=cache, **batch)
- if len(results) < 1:
- hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
- results = [[" ", ["sil"], [2], hyp, 10, 6]] * nbest
- 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
- rtf_cur = "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}".format(length, forward_time,
- 100 * forward_time / (
- length * lfr_factor))
- logging.info(rtf_cur)
-
- for batch_id in range(_bs):
- result = [results[batch_id][:-2]]
-
- 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]
- # 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["token"][key] = " ".join(token)
- # ibest_writer["token_int"][key] = " ".join(map(str, token_int))
- ibest_writer["score"][key] = str(hyp.score)
- 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)
- else:
- postprocessed_result = postprocess_utils.sentence_postprocess(token)
- time_stamp_postprocessed = ""
- if len(postprocessed_result) == 3:
- text_postprocessed, time_stamp_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
- 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
-
- 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))
- logging.info(rtf_avg)
- if writer is not None:
- ibest_writer["rtf"]["rtf_avf"] = rtf_avg
+ return []
return asr_result_list
return _forward
@@ -905,3 +868,4 @@
# rec_result = inference_16k_pipline(audio_in='https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/asr_example_zh.wav')
# print(rec_result)
+
--
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