#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 . ****************************************************************************/ /* * \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