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import json
import os
import datasets
from .configs import CONFIGS_MAP
_BASE_URL = "https://huggingface.co/datasets/formospeech/AudioSCAN-StyleTTS2-female/resolve/main/"
_AUDIO_URL = _BASE_URL + "audio.tar.gz"
class AudioSCANConfig(datasets.BuilderConfig):
"""BuilderConfig for CommonVoice."""
def __init__(self, **kwargs):
super(AudioSCANConfig, self).__init__(
version=datasets.Version("0.1.0", ""), **kwargs
)
class LibrispeechASR(datasets.GeneratorBasedBuilder):
DEFAULT_WRITER_BATCH_SIZE = 256
DEFAULT_CONFIG_NAME = "addprim_jump"
BUILDER_CONFIGS = []
for config_name in CONFIGS_MAP.keys():
BUILDER_CONFIGS.append(
AudioSCANConfig(
name=config_name,
description=None,
)
)
def _info(self):
return datasets.DatasetInfo(
description="",
features=datasets.Features(
{
"audio": datasets.Audio(sampling_rate=16_000),
"out": datasets.Value("string"),
"in": datasets.Value("string"),
}
),
license=None,
supervised_keys=("audio", "out"),
homepage=None,
citation=None,
)
def _split_generators(self, dl_manager):
archive_path = dl_manager.download(_AUDIO_URL)
local_extracted_archive = (
dl_manager.extract(archive_path) if not dl_manager.is_streaming else {}
)
split_meta_urls = {
split_name: _BASE_URL + split_meta_path
for split_name, split_meta_path in CONFIGS_MAP[self.config.name].items()
}
split_meta_paths = dl_manager.download_and_extract(split_meta_urls)
splits = []
for split_name in CONFIGS_MAP[self.config.name].keys():
split = datasets.SplitGenerator(
name=split_name,
gen_kwargs={
"meta_path": split_meta_paths[split_name],
"local_extracted_archive": local_extracted_archive,
"files": dl_manager.iter_archive(archive_path),
},
)
splits.append(split)
return splits
def _generate_examples(self, meta_path, local_extracted_archive, files):
with open(meta_path, "r") as f:
metadata = json.loads("[" + ",".join(f.readlines()) + "]")
audio_data = {}
for path, file in files:
filename = os.path.basename(path)
audio_data[filename] = file.read()
key = 0
for item in metadata:
path = (
os.path.join(local_extracted_archive, item["audio_path"])
if local_extracted_archive
else item["audio_path"]
)
yield (
key,
{
"in": item["in"],
"out": item["out"],
"audio": {
"path": path,
"bytes": audio_data[item["audio_path"]],
},
},
)
key += 1
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