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| # modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/data/data_module.py | |
| # reference: https://github.com/lifeiteng/vall-e | |
| from pytorch_lightning import LightningDataModule | |
| from AR.data.bucket_sampler import DistributedBucketSampler | |
| from AR.data.dataset import Text2SemanticDataset | |
| from torch.utils.data import DataLoader | |
| class Text2SemanticDataModule(LightningDataModule): | |
| def __init__( | |
| self, | |
| config, | |
| train_semantic_path, | |
| train_phoneme_path, | |
| dev_semantic_path=None, | |
| dev_phoneme_path=None, | |
| ): | |
| super().__init__() | |
| self.config = config | |
| self.train_semantic_path = train_semantic_path | |
| self.train_phoneme_path = train_phoneme_path | |
| self.dev_semantic_path = dev_semantic_path | |
| self.dev_phoneme_path = dev_phoneme_path | |
| self.num_workers = self.config["data"]["num_workers"] | |
| def prepare_data(self): | |
| pass | |
| def setup(self, stage=None, output_logs=False): | |
| self._train_dataset = Text2SemanticDataset( | |
| phoneme_path=self.train_phoneme_path, | |
| semantic_path=self.train_semantic_path, | |
| max_sec=self.config["data"]["max_sec"], | |
| pad_val=self.config["data"]["pad_val"], | |
| ) | |
| self._dev_dataset = self._train_dataset | |
| # self._dev_dataset = Text2SemanticDataset( | |
| # phoneme_path=self.dev_phoneme_path, | |
| # semantic_path=self.dev_semantic_path, | |
| # max_sample=self.config['data']['max_eval_sample'], | |
| # max_sec=self.config['data']['max_sec'], | |
| # pad_val=self.config['data']['pad_val']) | |
| def train_dataloader(self): | |
| batch_size=self.config["train"]["batch_size"]//2 if self.config["train"].get("if_dpo",False)==True else self.config["train"]["batch_size"] | |
| batch_size = max(min(batch_size,len(self._train_dataset)//4),1)#防止不保存 | |
| sampler = DistributedBucketSampler(self._train_dataset, batch_size=batch_size) | |
| return DataLoader( | |
| self._train_dataset, | |
| batch_size=batch_size, | |
| sampler=sampler, | |
| collate_fn=self._train_dataset.collate, | |
| num_workers=self.num_workers, | |
| persistent_workers=True, | |
| prefetch_factor=16, | |
| ) | |
| def val_dataloader(self): | |
| return DataLoader( | |
| self._dev_dataset, | |
| batch_size=1, | |
| shuffle=False, | |
| collate_fn=self._train_dataset.collate, | |
| num_workers=max(self.num_workers, 12), | |
| persistent_workers=True, | |
| prefetch_factor=16, | |
| ) | |
| # 这个会使用到嘛？ | |
| def test_dataloader(self): | |
| return DataLoader( | |
| self._dev_dataset, | |
| batch_size=1, | |
| shuffle=False, | |
| collate_fn=self._train_dataset.collate, | |
| ) | |