ptional, defaults to 47) —
Timestep t0. Should be in the range [t0 + 1, num_inference_steps - 1]. See the
paper, Sect. 3.3.1.   frame_ids (List[int], optional) —
Indexes of the frames that are being generated. This is used when generating longer videos
chunk-by-chunk.   Returns 
TextToVideoPipelineOutput
  
The output contains a ndarray of the generated video, when output_type != "latent", otherwise a
latent code of generated videos and a list 