[Mp4-tech] Corresponding block predictor in Reference frame in JM 12.2 ME Algorithms

[Peace]

Hi,
I am looking for the predictor of the block that is located at the same
p[osition in the previous frame.
IN ME-umhex.c , i have found this....
//prediction using mV of last ref moiton vector
  if(pred_MV_ref_flag == 1)      //Notes: for interlace case, ref==1 should
be added
  {
    cand_x = pic_pix_x + (pred_MV_ref[0]/4);
    cand_y = pic_pix_y + (pred_MV_ref[1]/4);
    SEARCH_ONE_PIXEL
  }
However in Me-EPZS.c , i am unable to find this one, Probably there it does
not exists, as all the other temporal predictors are  present.
If yes then can anyone point out?
Thanks and Best REgards
Humaira
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