latent_channels (`int`, defaults to `4`):
Number of channels in latents.
layers_per_block (`int`, defaults to `2`):
Number of resnet or attention or temporal convolution layers per down/up block.
act_fn (`str`, defaults to `"silu"`):
The activation function to use.
norm_num_groups (`int`, defaults to `32`):
Number of groups to use in normalization layers.
temporal_compression_ratio (`int`, defaults to `4`):
Ratio by which temporal dimension of samples are compressed.
sample_size (`int`, defaults to `320`):