uvg266/src/sao.h
Ari Koivula 953aef0379 Move rest of LCU encoding inside the LCU loop.
- Move SAO search inside the LCU loop.

- Move CU coding inside the LCU loop.

- Move SAO frame reconstruction loop to sao module.
2014-03-21 12:41:44 +02:00

57 lines
2 KiB
C

#ifndef SAO_H_
#define SAO_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 Coding Unit (CU) and picture data related functions.
*/
#include "global.h"
#include "picture.h"
#include "encoder.h"
#include "math.h"
typedef enum { SAO_TYPE_NONE = 0, SAO_TYPE_BAND, SAO_TYPE_EDGE } sao_type;
typedef enum { SAO_EO0 = 0, SAO_EO1, SAO_EO2, SAO_EO3, SAO_NUM_EO } sao_eo_class;
typedef enum { SAO_EO_CAT0 = 0, SAO_EO_CAT1, SAO_EO_CAT2, SAO_EO_CAT3, SAO_EO_CAT4, NUM_SAO_EDGE_CATEGORIES } sao_eo_cat;
typedef struct sao_info_struct {
sao_type type;
sao_eo_class eo_class;
int ddistortion;
int merge_left_flag;
int merge_up_flag;
int band_position;
int offsets[NUM_SAO_EDGE_CATEGORIES];
} sao_info;
void init_sao_info(sao_info *sao);
void sao_search_chroma(const picture *pic, unsigned x_ctb, unsigned y_ctb, sao_info *sao, sao_info *sao_top, sao_info *sao_left);
void sao_search_luma(const picture *pic, unsigned x_ctb, unsigned y_ctb, sao_info *sao, sao_info *sao_top, sao_info *sao_left);
void sao_reconstruct(picture *pic, const pixel *old_rec,
unsigned x_ctb, unsigned y_ctb,
const sao_info *sao, color_index color_i);
void sao_reconstruct_frame(encoder_control *encoder);
#endif