libavcodec/error_resilience.c:419: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:419:34: 
417.                         pred_count++;
418.                     }
419.                     if(mb_y>0 && fixed[mb_xy-mb_stride]){
                                      ^
420.                         mv_predictor[pred_count][0]= s->current_picture.motion_val[0][mot_index - mot_stride*2][0];
421.                         mv_predictor[pred_count][1]= s->current_picture.motion_val[0][mot_index - mot_stride*2][1];
