chromium/third_party/libaom/source/libaom/aom_dsp/bitwriter_buffer.c

/*
 * 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.
 */

#include <assert.h>
#include <limits.h>
#include <stdlib.h>

#include "config/aom_config.h"

#include "aom_dsp/bitwriter_buffer.h"
#include "aom_dsp/recenter.h"
#include "aom_ports/bitops.h"

int aom_wb_is_byte_aligned(const struct aom_write_bit_buffer *wb) { … }

uint32_t aom_wb_bytes_written(const struct aom_write_bit_buffer *wb) { … }

void aom_wb_write_bit(struct aom_write_bit_buffer *wb, int bit) { … }

static void overwrite_bit(struct aom_write_bit_buffer *wb, int bit) { … }

void aom_wb_write_literal(struct aom_write_bit_buffer *wb, int data, int bits) { … }

void aom_wb_write_unsigned_literal(struct aom_write_bit_buffer *wb,
                                   uint32_t data, int bits) { … }

void aom_wb_overwrite_literal(struct aom_write_bit_buffer *wb, int data,
                              int bits) { … }

void aom_wb_write_inv_signed_literal(struct aom_write_bit_buffer *wb, int data,
                                     int bits) { … }

void aom_wb_write_uvlc(struct aom_write_bit_buffer *wb, uint32_t v) { … }

static void wb_write_primitive_quniform(struct aom_write_bit_buffer *wb,
                                        uint16_t n, uint16_t v) { … }

static void wb_write_primitive_subexpfin(struct aom_write_bit_buffer *wb,
                                         uint16_t n, uint16_t k, uint16_t v) { … }

static void wb_write_primitive_refsubexpfin(struct aom_write_bit_buffer *wb,
                                            uint16_t n, uint16_t k,
                                            uint16_t ref, uint16_t v) { … }

void aom_wb_write_signed_primitive_refsubexpfin(struct aom_write_bit_buffer *wb,
                                                uint16_t n, uint16_t k,
                                                int16_t ref, int16_t v) { … }