2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VP9_ENCODER_VP9_COST_H_
12 #define VP9_ENCODER_VP9_COST_H_
14 #include "vpx_dsp/prob.h"
20 extern const unsigned int vp9_prob_cost[256];
22 #define vp9_cost_zero(prob) (vp9_prob_cost[prob])
24 #define vp9_cost_one(prob) vp9_cost_zero(vp9_complement(prob))
26 #define vp9_cost_bit(prob, bit) vp9_cost_zero((bit) ? vp9_complement(prob) \
29 static INLINE unsigned int cost_branch256(const unsigned int ct[2],
31 return ct[0] * vp9_cost_zero(p) + ct[1] * vp9_cost_one(p);
34 static INLINE int treed_cost(vp9_tree tree, const vp9_prob *probs,
40 const int bit = (bits >> --len) & 1;
41 cost += vp9_cost_bit(probs[i >> 1], bit);
48 void vp9_cost_tokens(int *costs, const vp9_prob *probs, vp9_tree tree);
49 void vp9_cost_tokens_skip(int *costs, const vp9_prob *probs, vp9_tree tree);
55 #endif // VP9_ENCODER_VP9_COST_H_