libavcodec/ps.c:1039: error: Uninitialized Value
  The value read from h11i_step was never initialized.

libavcodec/ps.c:1039:17: 
1037.                 h22r += h22r_step;
1038.                 if (!PS_BASELINE && ps->enable_ipdopd) {
1039.                 h11i += h11i_step;
                      ^
1040.                 h12i += h12i_step;
1041.                 h21i += h21i_step;
