TUT HEVC Encoder
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context.h
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1#ifndef CONTEXT_H_
2#define CONTEXT_H_
3/*****************************************************************************
4 * This file is part of Kvazaar HEVC encoder.
5 *
6 * Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without modification,
10 * are permitted provided that the following conditions are met:
11 *
12 * * Redistributions of source code must retain the above copyright notice, this
13 * list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above copyright notice, this
16 * list of conditions and the following disclaimer in the documentation and/or
17 * other materials provided with the distribution.
18 *
19 * * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
20 * contributors may be used to endorse or promote products derived from
21 * this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
30 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 * INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
33 ****************************************************************************/
34
41#include "cabac.h"
42#include "encoderstate.h"
43#include "global.h" // IWYU pragma: keep
44
45
46// Functions
48void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice);
49
52
54
55
58
59#define CNU 154
60
61#endif
Coding bins using CABAC.
void kvz_context_copy(encoder_state_t *target_state, const encoder_state_t *source_state)
Definition context.c:305
int32_t kvz_context_calc_pattern_sig_ctx(const uint32_t *sig_coeff_group_flag, uint32_t pos_x, uint32_t pos_y, int32_t width)
Pattern decision for context derivation process of significant_coeff_flag.
Definition context.c:339
uint32_t kvz_context_get_sig_coeff_group(uint32_t *sig_coeff_group_flag, uint32_t pos_x, uint32_t pos_y, int32_t width)
Definition context.c:315
int32_t kvz_context_get_sig_ctx_inc(int32_t pattern_sig_ctx, uint32_t scan_idx, int32_t pos_x, int32_t pos_y, int32_t block_type, int8_t texture_type)
Context derivation process of coeff_abs_significant_flag.
Definition context.c:366
void kvz_ctx_init(cabac_ctx_t *ctx, uint32_t qp, uint32_t init_value)
Initialize struct cabac_ctx.
Definition context.c:202
void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice)
Initialize cabac context to be used for coding.
Definition context.c:221
Top level of the encoder implementation.
Header that is included in every other header.
#define MAX_TILES_PER_DIM
Definition global.h:232
Definition cabac.h:49
Definition encoderstate.h:274