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/*
* 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_AOM_DSP_BITWRITER_BUFFER_H_
#define AOM_AOM_DSP_BITWRITER_BUFFER_H_
#include "aom/aom_integer.h"
#ifdef __cplusplus
extern "C" {
#endif
struct aom_write_bit_buffer {
uint8_t *bit_buffer;
uint32_t bit_offset;
};
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);
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);
// Writes a variable length unsigned integer. UINT32_MAX is an invalid input.
void aom_wb_write_uvlc(struct aom_write_bit_buffer *wb, uint32_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);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AOM_DSP_BITWRITER_BUFFER_H_
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