libavcodec/hq_hqa.c:277: error: Uninitialized Value
  The value read from slice_off[_] was never initialized.

libavcodec/hq_hqa.c:277:13: 
275.     for (slice = 0; slice < num_slices; slice++) {
276.         if (slice_off[slice] < (num_slices + 1) * 3 ||
277.             slice_off[slice] >= slice_off[slice + 1] ||
                 ^
278.             slice_off[slice + 1] > data_size) {
279.             av_log(ctx->avctx, AV_LOG_ERROR,
