libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_pred_common.c

 
 /*
  *  Copyright (c) 2012 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 330 matching lines @@
     pred_context = 2;
   }
   assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
   return pred_context;
 }
 // Returns a context number for the given MB prediction signal
 // The mode info data structure has a one element border above and to the
 // left of the entries corresponding to real blocks.
 // The prediction flags in these dummy entries are initialized to 0.
 int vp9_get_tx_size_context(const MACROBLOCKD *xd) {
-  const int max_tx_size = max_txsize_lookup[xd->mi[0]->mbmi.sb_type];
+  const int max_tx_size = max_txsize_lookup[xd->mi[0].src_mi->mbmi.sb_type];
   const MB_MODE_INFO *const above_mbmi = get_mbmi(get_above_mi(xd));
   const MB_MODE_INFO *const left_mbmi = get_mbmi(get_left_mi(xd));
   const int has_above = above_mbmi != NULL;
   const int has_left = left_mbmi != NULL;
   int above_ctx = (has_above && !above_mbmi->skip) ? (int)above_mbmi->tx_size
                                                    : max_tx_size;
   int left_ctx = (has_left && !left_mbmi->skip) ? (int)left_mbmi->tx_size
                                                 : max_tx_size;
   if (!has_left)
     left_ctx = above_ctx;
@@ skipping 14 matching lines @@
   int x, y, segment_id = INT_MAX;
 
   for (y = 0; y < ymis; y++)
     for (x = 0; x < xmis; x++)
       segment_id = MIN(segment_id,
                        segment_ids[mi_offset + y * cm->mi_cols + x]);
 
   assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
   return segment_id;
 }