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45950ff | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | import torch
from torch.nn.utils.rnn import pad_sequence
from mmengine.registry import FUNCTIONS
@FUNCTIONS.register_module()
def motion_collate_fn(batch):
motion = [item['motion'] for item in batch] # [motion: T, C]
motion_length = [item['motion_length'] for item in batch]
# caption = [item['caption'] for item in batch]
motion = pad_sequence(motion, batch_first=True)
mean = torch.stack([item['mean'] for item in batch], dim=0)
std = torch.stack([item['std'] for item in batch], dim=0)
return dict(
std=std, mean=mean, motion=motion,
motion_length=torch.tensor(motion_length),
# caption=caption
)
@FUNCTIONS.register_module()
def motion_collate_fn_no_translation(batch):
motion = [item['motion'] for item in batch] # [motion: T, C]
motion_length = [item['motion_length'] for item in batch]
# caption = [item['caption'] for item in batch]
motion = pad_sequence(motion, batch_first=True)
mean = torch.stack([item['mean'] for item in batch], dim=0)
std = torch.stack([item['std'] for item in batch], dim=0)
return dict(
std=std, mean=mean, motion=motion[..., 3:],
motion_length=torch.tensor(motion_length),
# caption=caption
) |