libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_modecosts.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.
- */
-
-
-#include "vp9/common/vp9_blockd.h"
-#include "vp9/encoder/vp9_onyx_int.h"
-#include "vp9/encoder/vp9_treewriter.h"
-#include "vp9/common/vp9_entropymode.h"
-
-
-void vp9_init_mode_costs(VP9_COMP *c) {
-  VP9_COMMON *const cm = &c->common;
-  const vp9_tree_index *KT = vp9_intra_mode_tree;
-  int i, j;
-
-  for (i = 0; i < INTRA_MODES; i++) {
-    for (j = 0; j < INTRA_MODES; j++) {
-      vp9_cost_tokens((int *)c->mb.y_mode_costs[i][j], vp9_kf_y_mode_prob[i][j],
-                      KT);
-    }
-  }
-
-  // TODO(rbultje) separate tables for superblock costing?
-  vp9_cost_tokens(c->mb.mbmode_cost, cm->fc.y_mode_prob[1],
-                  vp9_intra_mode_tree);
-  vp9_cost_tokens(c->mb.intra_uv_mode_cost[1],
-                  cm->fc.uv_mode_prob[INTRA_MODES - 1], vp9_intra_mode_tree);
-  vp9_cost_tokens(c->mb.intra_uv_mode_cost[0],
-                  vp9_kf_uv_mode_prob[INTRA_MODES - 1],
-                  vp9_intra_mode_tree);
-
-  for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i)
-    vp9_cost_tokens((int *)c->mb.switchable_interp_costs[i],
-                    cm->fc.switchable_interp_prob[i],
-                    vp9_switchable_interp_tree);
-}