libavcodec/dnxhddec.c:225: error: Uninitialized Value
  The value read from bs_size_plus8 was never initialized.

libavcodec/dnxhddec.c:225:9: 
223. 
224.         sign = SHOW_SBITS(bs, &ctx->gb, 1);
225.         SKIP_BITS(bs, &ctx->gb, 1);
             ^
226. 
227.         if (ctx->cid_table->ac_index_flag[index1]) {
