游雁
2024-03-27 9b4e9cc8a0311e5243d69b73ed073e7ea441982e
funasr/datasets/large_datasets/dataset.py
@@ -6,6 +6,9 @@
import torch
import torch.distributed as dist
import torchaudio
import numpy as np
# import librosa
import librosa
from kaldiio import ReadHelper
from torch.utils.data import IterableDataset
@@ -106,7 +109,7 @@
                    ark_reader = ReadHelper('ark:{}'.format(data_file))
                    reader_list.append(ark_reader)
                elif data_type == "text" or data_type == "sound" or data_type == 'text_hotword':
                    text_reader = open(data_file, "r")
                    text_reader = open(data_file, "r", encoding="utf-8")
                    reader_list.append(text_reader)
                elif data_type == "none":
                    continue
@@ -123,7 +126,15 @@
                            sample_dict["key"] = key
                    elif data_type == "sound":
                        key, path = item.strip().split()
                        waveform, sampling_rate = torchaudio.load(path)
                        try:
                            waveform, sampling_rate = torchaudio.load(path)
                        except:
                            # waveform, sampling_rate = librosa.load(path, dtype='float32')
                            waveform, sampling_rate = librosa.load(path, dtype='float32')
                            if waveform.ndim == 2:
                                waveform = waveform[:, 0]
                            waveform = np.expand_dims(waveform, axis=0)
                            waveform = torch.tensor(waveform)
                        if self.frontend_conf is not None:
                            if sampling_rate != self.frontend_conf["fs"]:
                                waveform = torchaudio.transforms.Resample(orig_freq=sampling_rate,
@@ -193,21 +204,23 @@
    data_types = conf.get("data_types", "kaldi_ark,text")
    pre_hwfile = conf.get("pre_hwlist", None)
    pre_prob = conf.get("pre_prob", 0)  # unused yet
    # pre_prob = conf.get("pre_prob", 0)  # unused yet
    if pre_hwfile is not None:
        pre_hwlist = []
        with open(pre_hwfile, 'r', encoding="utf-8") as fin:
            for line in fin.readlines():
                pre_hwlist.append(line.strip())
    else:
        pre_hwlist = None
    hw_config = {"sample_rate": conf.get("sample_rate", 0.6),
                 "double_rate": conf.get("double_rate", 0.1),
                 "hotword_min_length": conf.get("hotword_min_length", 2),
                 "hotword_max_length": conf.get("hotword_max_length", 8),
                 "pre_prob": conf.get("pre_prob", 0.0)}
                 "pre_prob": conf.get("pre_prob", 0.0),
                 "pre_hwlist": pre_hwlist}
    if pre_hwfile is not None:
        pre_hwlist = []
        with open(pre_hwfile, 'r') as fin:
            for line in fin.readlines():
                pre_hwlist.append(line.strip())
    else:
        pre_hwlist = None
    dataset = AudioDataset(scp_lists, 
                           data_names, 
@@ -218,15 +231,15 @@
                           mode=mode, 
                           )
    filter_conf = conf.get('filter_conf', {})
    filter_fn = partial(filter, **filter_conf)
    dataset = FilterIterDataPipe(dataset, fn=filter_fn)
    if "text" in data_names:
        vocab = {'vocab': dict, 'seg_dict': seg_dict, 'punc_dict': punc_dict, 'bpe_tokenizer': bpe_tokenizer, 'hw_config': hw_config}
        tokenize_fn = partial(tokenize, **vocab)
        dataset = MapperIterDataPipe(dataset, fn=tokenize_fn)
    filter_conf = conf.get('filter_conf', {})
    filter_fn = partial(filter, **filter_conf)
    dataset = FilterIterDataPipe(dataset, fn=filter_fn)
    if shuffle:
        buffer_conf = conf.get('shuffle_conf', {})
        buffer_size = buffer_conf['shuffle_size']