erate higher resolution videos. When using the DDIMScheduler (which is default for this pipeline), less than 50 steps for inference leads to bad results.  I2VGenXLPipeline  class diffusers.I2VGenXLPipeline  < source > ( vae: AutoencoderKL text_encoder: CLIPTextModel tokenizer: CLIPTokenizer image_encoder: CLIPVisionModelWithProjection feature_extractor: CLIPImageProcessor unet: I2VGenXLUNet scheduler: DDIMScheduler  )   Parameters   vae (Autoen