libavcodec/eamad.c:203: error: Uninitialized Value
  The value read from mv_y was never initialized.

libavcodec/eamad.c:203:13: 
201.         if (mv_map & (1<<j)) {  // mv_x and mv_y are guarded by mv_map
202.             int add = 2*decode_motion(&s->gb);
203.             comp_block(s, frame, s->mb_x, s->mb_y, j, mv_x, mv_y, add);
                 ^
204.         } else {
205.             s->dsp.clear_block(s->block);
