libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_context_tree.h

 /*
  *  Copyright (c) 2014 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 16 matching lines @@
 
   // dual buffer pointers, 0: in use, 1: best in store
   tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
   tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
   tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
   uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
 
   int is_coded;
   int num_4x4_blk;
   int skip;
+  int pred_pixel_ready;
   // For current partition, only if all Y, U, and V transform blocks'
   // coefficients are quantized to 0, skippable is set to 0.
   int skippable;
   uint8_t skip_txfm[MAX_MB_PLANE << 2];
   int best_mode_index;
   int hybrid_pred_diff;
   int comp_pred_diff;
   int single_pred_diff;
   int64_t tx_rd_diff[TX_MODES];
   int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
 
+  // TODO(jingning) Use RD_COST struct here instead. This involves a boarder
+  // scope of refactoring.
+  int rate;
+  int64_t dist;
+
 #if CONFIG_VP9_TEMPORAL_DENOISING
   unsigned int newmv_sse;
   unsigned int zeromv_sse;
   PREDICTION_MODE best_sse_inter_mode;
   int_mv best_sse_mv;
   MV_REFERENCE_FRAME best_reference_frame;
   MV_REFERENCE_FRAME best_zeromv_reference_frame;
 #endif
 
   // motion vector cache for adaptive motion search control in partition
@@ skipping 12 matching lines @@
   union {
     struct PC_TREE *split[4];
     PICK_MODE_CONTEXT *leaf_split[4];
   };
 } PC_TREE;
 
 void vp9_setup_pc_tree(struct VP9Common *cm, struct VP9_COMP *cpi);
 void vp9_free_pc_tree(struct VP9_COMP *cpi);
 
 #endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */