libavcodec/error_resilience.c:462: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:462:43: 
460.                         pred_count++;
461.                     }
462.                     if(mb_x+1<mb_width && fixed[mb_xy+1]){
                                               ^
463.                         mv_predictor[pred_count][0]= s->current_picture.f.motion_val[0][mot_index + mot_step][0];
464.                         mv_predictor[pred_count][1]= s->current_picture.f.motion_val[0][mot_index + mot_step][1];
