ts to be sent to the tokenizer_2 and text_encoder_2. If not defined, prompt is
used in both text-encoders   video_length (int, optional, defaults to 8) —
The number of generated video frames.   height (int, optional, defaults to self.unet.config.sample_size * self.vae_scale_factor) —
The height in pixels of the generated image.   width (int, optional, defaults to self.unet.config.sample_size * self.vae_scale_factor) —
The width in pixels of the