libavcodec/ps.c:1026: error: Uninitialized Value
  The value read from h22i was never initialized.

libavcodec/ps.c:1026:17: 
1024.                 h12i_step = (H12[1][e+1][b] - h12i) * width;
1025.                 h21i_step = (H21[1][e+1][b] - h21i) * width;
1026.                 h22i_step = (H22[1][e+1][b] - h22i) * width;
                      ^
1027.             }
1028.             for (n = start + 1; n <= stop; n++) {
