libavcodec/ps.c:956: error: Uninitialized Value
  The value read from h22i was never initialized.

libavcodec/ps.c:956:21: 
954.                     h12i += h12i_step;
955.                     h21i += h21i_step;
956.                     h22i += h22i_step;
                         ^
957. 
958.                     l[k][n][0] = h11r*l_re + h21r*r_re - h11i*l_im - h21i*r_im;
