libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_detokenize.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 172 matching lines @@
               assert(0);
               return -1;
           }
 #else
           val = CAT6_MIN_VAL + read_coeff(cat6_prob, 14, r);
 #endif
           break;
       }
     }
     v = (val * dqv) >> dq_shift;
+#if CONFIG_COEFFICIENT_RANGE_CHECKING
+    dqcoeff[scan[c]] = check_range(vp9_read_bit(r) ? -v : v);
+#else
     dqcoeff[scan[c]] = vp9_read_bit(r) ? -v : v;
+#endif
     token_cache[scan[c]] = vp9_pt_energy_class[token];
     ++c;
     ctx = get_coef_context(nb, token_cache, c);
     dqv = dq[1];
   }
 
   return c;
 }
 
 int vp9_decode_block_tokens(VP9_COMMON *cm, MACROBLOCKD *xd,
                             int plane, int block, BLOCK_SIZE plane_bsize,
                             int x, int y, TX_SIZE tx_size, vp9_reader *r) {
   struct macroblockd_plane *const pd = &xd->plane[plane];
   const int ctx = get_entropy_context(tx_size, pd->above_context + x,
                                                pd->left_context + y);
   const scan_order *so = get_scan(xd, tx_size, pd->plane_type, block);
   const int eob = decode_coefs(cm, xd, pd->plane_type,
                                BLOCK_OFFSET(pd->dqcoeff, block), tx_size,
                                pd->dequant, ctx, so->scan, so->neighbors, r);
   vp9_set_contexts(xd, pd, plane_bsize, tx_size, eob > 0, x, y);
   return eob;
 }