func: rdt_free_extradata (PayloadContext *rdt)
  
  {
  
      int i;
  
  
  
      for (i = 0; i < MAX_STREAMS; i++)
  
          if (rdt->rmst[i]) {
  
              ff_rm_free_rmstream(rdt->rmst[i]);
  
              av_freep(&rdt->rmst[i]);
  
          }
  
      if (rdt->rmctx)
  
          av_close_input_stream(rdt->rmctx);
  
      av_freep(&rdt->mlti_data);
  
      av_free(rdt);
  
  }
  