class_docstr: multimodal vector retriver:
  text retrieve video or video retrieve text.
class_docstr_tok: ["multimodal","vector","retriver",":","text","retrieve","video","or","video","retrieve","text","."]
code: def get_clips_by_video_id(self, video_id):
      if not self.video_to_videoid:
          for (
              video_id,
              video_clip,
              text_clip,
          ) in self.videoid_to_vectoridx:
              self.video_to_videoid[video_id].append(
                  (video_id, video_clip, text_clip)
              )
      return self.video_to_videoid[video_id]
  
imports: import os
  import numpy
  import pickle
  import time
  from collections import defaultdict
  from ..utils import get_local_rank, print_on_rank0
label_desc: Use image node_id 7 for calling the MMVectorRetriever obj's underlying member method code with example usage: obj.get_clips_by_video_id(video_id) and returns: self