binary_codes_writer.h

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/*

 * Copyright (c) 2017, 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_AOM_DSP_BINARY_CODES_WRITER_H_

#define AOM_AOM_DSP_BINARY_CODES_WRITER_H_

#ifdef __cplusplus

extern "C" {

#endif

#include <assert.h>

#include "config/aom_config.h"

#include "aom/aom_integer.h"

#include "aom_dsp/bitwriter.h"

#include "aom_dsp/bitwriter_buffer.h"

// Finite subexponential code that codes a symbol v in [0, n-1] with parameter k

// based on a reference ref also in [0, n-1].

void aom_write_primitive_refsubexpfin(aom_writer *w, uint16_t n, uint16_t k,

                                      uint16_t ref, uint16_t v);

// Functions that counts bits for the above primitives

int aom_count_primitive_refsubexpfin(uint16_t n, uint16_t k, uint16_t ref,

                                     uint16_t v);

int aom_count_signed_primitive_refsubexpfin(uint16_t n, uint16_t k, int16_t ref,

                                            int16_t v);

#ifdef __cplusplus

}  // extern "C"

#endif

#endif  // AOM_AOM_DSP_BINARY_CODES_WRITER_H_