ift (int, defaults to 0) —
The frequency shift to apply to the time embedding.   down_block_types (tuple[str], defaults to ("CrossAttnDownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D", "DownBlock2D")) —
The tuple of downsample blocks to use.   only_cross_attention (Union[bool, Tuple[bool]], defaults to False) —   block_out_channels (tuple[int], defaults to (320, 640, 1280, 1280)) —
The tuple of output channels for each block.   layer