diff -r 000000000000 -r 6474c204b198 media/libvpx/vp8/encoder/modecosts.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libvpx/vp8/encoder/modecosts.c	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+/*
+ *  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 "vp8/common/blockd.h"
+#include "onyx_int.h"
+#include "treewriter.h"
+#include "vp8/common/entropymode.h"
+
+
+void vp8_init_mode_costs(VP8_COMP *c)
+{
+    VP8_COMMON *x = &c->common;
+    struct rd_costs_struct *rd_costs = &c->rd_costs;
+
+    {
+        const vp8_tree_p T = vp8_bmode_tree;
+
+        int i = 0;
+
+        do
+        {
+            int j = 0;
+
+            do
+            {
+                vp8_cost_tokens(rd_costs->bmode_costs[i][j],
+                                vp8_kf_bmode_prob[i][j], T);
+            }
+            while (++j < VP8_BINTRAMODES);
+        }
+        while (++i < VP8_BINTRAMODES);
+
+        vp8_cost_tokens(rd_costs->inter_bmode_costs, x->fc.bmode_prob, T);
+    }
+    vp8_cost_tokens(rd_costs->inter_bmode_costs, x->fc.sub_mv_ref_prob,
+                    vp8_sub_mv_ref_tree);
+
+    vp8_cost_tokens(rd_costs->mbmode_cost[1], x->fc.ymode_prob, vp8_ymode_tree);
+    vp8_cost_tokens(rd_costs->mbmode_cost[0], vp8_kf_ymode_prob,
+                    vp8_kf_ymode_tree);
+
+    vp8_cost_tokens(rd_costs->intra_uv_mode_cost[1], x->fc.uv_mode_prob,
+                    vp8_uv_mode_tree);
+    vp8_cost_tokens(rd_costs->intra_uv_mode_cost[0], vp8_kf_uv_mode_prob,
+                    vp8_uv_mode_tree);
+}