mirror of
https://github.com/ultravideo/uvg266.git
synced 2024-11-24 18:34:06 +00:00
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
#ifndef CONTEXT_H_
|
|
#define CONTEXT_H_
|
|
/*****************************************************************************
|
|
* This file is part of Kvazaar HEVC encoder.
|
|
*
|
|
* Copyright (C) 2013-2014 Tampere University of Technology and others (see
|
|
* COPYING file).
|
|
*
|
|
* Kvazaar is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*
|
|
* Kvazaar is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
|
|
****************************************************************************/
|
|
|
|
/*
|
|
* \file
|
|
* \brief Context derivation for CABAC.
|
|
*/
|
|
|
|
#include "global.h"
|
|
|
|
#include "encoder.h"
|
|
#include "cabac.h"
|
|
|
|
|
|
// Functions
|
|
void ctx_init(cabac_ctx* ctx, uint32_t qp, uint32_t init_value);
|
|
void init_contexts(encoder_state *encoder_state, int8_t QP, int8_t slice);
|
|
|
|
void context_copy(encoder_state * target_encoder_state, const encoder_state * source_encoder_state);
|
|
int32_t context_calc_pattern_sig_ctx( const uint32_t *sig_coeff_group_flag, uint32_t pos_x, uint32_t pos_y, int32_t width);
|
|
|
|
uint32_t context_get_sig_coeff_group( uint32_t *sig_coeff_group_flag,uint32_t pos_x, uint32_t pos_y,int32_t width);
|
|
|
|
|
|
int32_t 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);
|
|
|
|
#define CNU 154
|
|
|
|
#endif
|