chromium/third_party/libaom/source/libaom/av1/encoder/cost.h

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#ifndef AOM_AV1_ENCODER_COST_H_
#define AOM_AV1_ENCODER_COST_H_

#include "aom_dsp/prob.h"
#include "aom/aom_integer.h"

#ifdef __cplusplus
extern "C" {
#endif

extern const uint16_t av1_prob_cost[128];

// The factor to scale from cost in bits to cost in av1_prob_cost units.
#define AV1_PROB_COST_SHIFT …

// Cost of coding an n bit literal, using 128 (i.e. 50%) probability
// for each bit.
#define av1_cost_literal(n) …

// Calculate the cost of a symbol with probability p15 / 2^15
static inline int av1_cost_symbol(aom_cdf_prob p15) { … }

void av1_cost_tokens_from_cdf(int *costs, const aom_cdf_prob *cdf,
                              const int *inv_map);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AOM_AV1_ENCODER_COST_H_