libavcodec/eamad.c:210: error: Uninitialized Value
  The value read from mv_x was never initialized.

libavcodec/eamad.c:210:13: 
208.         if (mv_map & (1<<j)) {  // mv_x and mv_y are guarded by mv_map
209.             int add = 2*decode_motion(&s->gb);
210.             comp_block(s, frame, s->mb_x, s->mb_y, j, mv_x, mv_y, add);
                 ^
211.         } else {
212.             s->bdsp.clear_block(s->block);
