libavcodec/hq_hqa.c:153: error: Uninitialized Value
  The value read from slice_off[_] was never initialized.

libavcodec/hq_hqa.c:153:13: 
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) {
155.             av_log(ctx->avctx, AV_LOG_ERROR,
