diff --git a/dataset/rir_noise/rir_noise.py b/dataset/rir_noise/rir_noise.py index e7b122890..bb0440a75 100644 --- a/dataset/rir_noise/rir_noise.py +++ b/dataset/rir_noise/rir_noise.py @@ -81,6 +81,10 @@ def create_manifest(data_dir, manifest_path_prefix): }, ensure_ascii=False)) manifest_path = manifest_path_prefix + '.' + dtype + + if not os.path.exists(os.path.dirname(manifest_path)): + os.makedirs(os.path.dirname(manifest_path)) + with codecs.open(manifest_path, 'w', 'utf-8') as fout: for line in json_lines: fout.write(line + '\n') diff --git a/paddlespeech/vector/io/dataset.py b/paddlespeech/vector/io/dataset.py new file mode 100644 index 000000000..c8a4299e9 --- /dev/null +++ b/paddlespeech/vector/io/dataset.py @@ -0,0 +1,120 @@ +# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +import collections + +from paddle.io import Dataset + +from paddleaudio import load as load_audio + + +class VoxCelebDataset(Dataset): + meta_info = collections.namedtuple( + 'META_INFO', ('id', 'duration', 'wav', 'start', 'stop', 'spk_id')) + + def __init__(self, csv_path, spk_id2label_path, config): + super().__init__() + self.csv_path = csv_path + self.spk_id2label_path = spk_id2label_path + self.config = config + self.data = self.load_data_csv() + self.spk_id2label = self.load_speaker_to_label() + + def load_data_csv(self): + data = [] + with open(self.csv_path, 'r') as rf: + for line in rf.readlines()[1:]: + audio_id, duration, wav, start, stop, spk_id = line.strip( + ).split(',') + data.append( + self.meta_info(audio_id, + float(duration), wav, + int(start), int(stop), spk_id)) + return data + + def load_speaker_to_label(self): + with open(self.spk_id2label_path, 'r') as f: + for line in f.readlines(): + spk_id, label = line.strip().split(' ') + self.spk_id2label[spk_id] = int(label) + + def convert_to_record(self, idx: int): + sample = self.data[idx] + + record = {} + # To show all fields in a namedtuple: `type(sample)._fields` + for field in type(sample)._fields: + record[field] = getattr(sample, field) + + waveform, sr = load_audio(record['wav']) + + # random select a chunk audio samples from the audio + if self.config.random_chunk: + num_wav_samples = waveform.shape[0] + num_chunk_samples = int(self.config.chunk_duration * sr) + start = random.randint(0, num_wav_samples - num_chunk_samples - 1) + stop = start + num_chunk_samples + else: + start = record['start'] + stop = record['stop'] + + # we only return the waveform as feat + waveform = waveform[start:stop] + record.update({'feat': waveform}) + record.update({'label': self.spk_id2label[record['spk_id']]}) + + return record + + def __getitem__(self, idx): + return self.convert_to_record(idx) + + def __len__(self): + return len(self.data) + + +class RIRSNoiseDataset(Dataset): + meta_info = collections.namedtuple('META_INFO', ('id', 'duration', 'wav')) + + def __init__(self, csv_path): + super().__init__() + self.csv_path = csv_path + self.data = self.load_csv_data() + + def load_csv_data(self): + data = [] + with open(self.csv_path, 'r') as rf: + for line in rf.readlines()[1:]: + audio_id, duration, wav = line.strip().split(',') + data.append(self.meta_info(audio_id, float(duration), wav)) + + random.shuffle(data) + return data + + def convert_to_record(self, idx: int): + sample = self.data[idx] + + record = {} + # To show all fields in a namedtuple: `type(sample)._fields` + for field in type(sample)._fields: + record[field] = getattr(sample, field) + + waveform, sr = load_audio(record['wav']) + + record.update({'feat': waveform}) + return record + + def __getitem__(self, idx): + return self.convert_to_record(idx) + + def __len__(self): + return len(self.data)