libavcodec/hq_hqa.c:152: error: Uninitialized Value
  The value read from slice_off[_] was never initialized.

libavcodec/hq_hqa.c:152:13: 
150.         perm = profile->perm_tab + start_off * profile->tab_w * 2;
151. 
152.         if (slice_off[slice] < (profile->num_slices + 1) * 3 ||
                 ^
153.             slice_off[slice] >= slice_off[slice + 1] ||
154.             slice_off[slice + 1] > data_size) {
