ength (float, optional, defaults to 1.0) — Indicates extent to transform the reference image. Must be between 0 and 1.   height (int, optional, defaults to self.unet.config.sample_size * self.vae_scale_factor) —
The height in pixels of the generated video.   width (int, optional, defaults to self.unet.config.sample_size * self.vae_scale_factor) —
The width in pixels of the generated video.   num_frames (int, optional, defaults to 16) —
The numb