libavcodec/error_resilience.c:396: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:396:44: 
394.                     if(mb_x>0           && fixed[mb_xy-1        ]==MV_FROZEN) j=1;
395.                     if(mb_x+1<mb_width  && fixed[mb_xy+1        ]==MV_FROZEN) j=1;
396.                     if(mb_y>0           && fixed[mb_xy-mb_stride]==MV_FROZEN) j=1;
                                                ^
397.                     if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]==MV_FROZEN) j=1;
398.                     if(j==0) continue;
