libavcodec/motion_est_template.c:884: error: Uninitialized Value
  The value read from xmin was never initialized.

libavcodec/motion_est_template.c:884:29: 
882.     dmin= minima[0].height;
883. 
884.     if(   best[0] < xmax && best[0] > xmin
                                 ^
885.        && best[1] < ymax && best[1] > ymin){
886.         int d;
