libavcodec/error_resilience.c:513: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:513:48: 
511.                         pred_count++;
512.                     }
513.                     if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {
                                                    ^
514.                         mv_predictor[pred_count][0] =
515.                             s->current_picture.f.motion_val[0][mot_index + mot_step][0];
