code: def get_stt_end_indices(indir):
      with open(indir, "r") as f:
          lines = f.readlines()
  
      idx = 0
      while True:
          chunks = lines[idx].split("\t")
          if len(chunks) != 5:
              idx += 1
              continue
          if lines[idx][0] == "F":
              idx += 1
              continue
          stt = float(chunks[0]) / 25  # (25fps)
          break
  
      return stt, float(lines[-1].split("\t")[0]) / 25
  
file_path: espnet/egs2/voxceleb/spk1/local/crawl_voxcelebs_mp.py
imports: import argparse
  import os
  import subprocess
  import sys
  from multiprocessing import Process
label_desc: Use image node_id 1 for calling a global function with example usage: get_stt_end_indices(indir) and returns: stt,  unknown