zhifu gao
2023-06-26 4a5d933c471fc62326767083655d5c0bda102e9d
funasr/datasets/iterable_dataset.py
@@ -8,11 +8,13 @@
from typing import Iterator
from typing import Tuple
from typing import Union
from typing import List
import kaldiio
import numpy as np
import torch
import torchaudio
import soundfile
from torch.utils.data.dataset import IterableDataset
from typeguard import check_argument_types
import os.path
@@ -65,8 +67,14 @@
        bytes = f.read()
    return load_bytes(bytes)
def load_wav(input):
    try:
        return torchaudio.load(input)[0].numpy()
    except:
        return np.expand_dims(soundfile.read(input)[0], axis=0)
DATA_TYPES = {
    "sound": lambda x: torchaudio.load(x)[0].numpy(),
    "sound": load_wav,
    "pcm": load_pcm,
    "kaldi_ark": load_kaldi,
    "bytes": load_bytes,
@@ -129,7 +137,7 @@
        non_iterable_list = []
        self.path_name_type_list = []
        if not isinstance(path_name_type_list[0], Tuple):
        if not isinstance(path_name_type_list[0], (Tuple, List)):
            path = path_name_type_list[0]
            name = path_name_type_list[1]
            _type = path_name_type_list[2]
@@ -227,13 +235,9 @@
                name = self.path_name_type_list[i][1]
                _type = self.path_name_type_list[i][2]
                if _type == "sound":
                    audio_type = os.path.basename(value).split(".")[-1].lower()
                    if audio_type not in SUPPORT_AUDIO_TYPE_SETS:
                        raise NotImplementedError(
                            f'Not supported audio type: {audio_type}')
                    if audio_type == "pcm":
                        _type = "pcm"
                   audio_type = os.path.basename(value).lower()
                   if audio_type.rfind(".pcm") >= 0:
                       _type = "pcm"
                func = DATA_TYPES[_type]
                array = func(value)
                if self.fs is not None and (name == "speech" or name == "ref_speech"):
@@ -244,10 +248,14 @@
                        array = torchaudio.transforms.Resample(orig_freq=audio_fs,
                                                               new_freq=model_fs)(array)
                        array = array.numpy()
                if self.mc:
                    data[name] = array.transpose(0, 1)
                if _type == "sound":
                    if self.mc:
                        data[name] = array.transpose((1, 0))
                    else:
                        data[name] = array[0]
                else:
                    data[name] = array[0]
                    data[name] = array
                if self.preprocess is not None:
                    data = self.preprocess(uid, data)
@@ -331,11 +339,8 @@
                # 2.a. Load data streamingly
                for value, (path, name, _type) in zip(values, self.path_name_type_list):
                    if _type == "sound":
                        audio_type = os.path.basename(value).split(".")[-1].lower()
                        if audio_type not in SUPPORT_AUDIO_TYPE_SETS:
                            raise NotImplementedError(
                                f'Not supported audio type: {audio_type}')
                        if audio_type == "pcm":
                        audio_type = os.path.basename(value).lower()
                        if audio_type.rfind(".pcm") >= 0:
                            _type = "pcm"
                    func = DATA_TYPES[_type]
                    # Load entry
@@ -350,7 +355,7 @@
                            array = array.numpy()
                    if _type == "sound":
                        if self.mc:
                            data[name] = array.transpose(0, 1)
                            data[name] = array.transpose((1, 0))
                        else:
                            data[name] = array[0]
                    else:
@@ -387,3 +392,4 @@
        if count == 0:
            raise RuntimeError("No iteration")