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dataloader

Functions

fastvideo.train.utils.dataloader.build_parquet_t2v_train_dataloader 

build_parquet_t2v_train_dataloader(data_config: DataConfig, *, text_len: int, parquet_schema: Any) -> Any

Build a parquet dataloader for T2V-style datasets.

Source code in fastvideo/train/utils/dataloader.py 
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def build_parquet_t2v_train_dataloader(
    data_config: DataConfig,
    *,
    text_len: int,
    parquet_schema: Any,
) -> Any:
    """Build a parquet dataloader for T2V-style datasets."""

    from fastvideo.dataset import (
        build_parquet_map_style_dataloader, )

    _dataset, dataloader = (build_parquet_map_style_dataloader(
        data_config.data_path,
        data_config.train_batch_size,
        num_data_workers=(data_config.dataloader_num_workers),
        parquet_schema=parquet_schema,
        cfg_rate=data_config.training_cfg_rate,
        drop_last=True,
        text_padding_length=int(text_len),
        seed=int(data_config.seed or 0),
    ))
    return dataloader