libavcodec/error_resilience.c:436: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:436:24: 
434.                     if((mb_x^mb_y^pass)&1) continue;
435. 
436.                     if(fixed[mb_xy]==MV_FROZEN) continue;
                            ^
437.                     assert(!IS_INTRA(s->current_picture.f.mb_type[mb_xy]));
438.                     assert(s->last_picture_ptr && s->last_picture_ptr->f.data[0]);
