libavcodec/error_resilience.c:424: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:424:44: 
422.                         pred_count++;
423.                     }
424.                     if(mb_y+1<mb_height && fixed[mb_xy+mb_stride]){
                                                ^
425.                         mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index + mot_stride*2][0];
426.                         mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index + mot_stride*2][1];
