 load_textual_inversion() for loading textual inversion embeddings load_lora_weights() for loading LoRA weights save_lora_weights() for saving LoRA weights load_ip_adapter() for loading IP Adapters  __call__  < source > ( video: List = None prompt: Union = None height: Optional = None width: Optional = None num_inference_steps: int = 50 timesteps: Optional = None guidance_scale: float = 7.5 strength: float = 0.8 negative_prompt: Union = None nu