#ifndef SAO_H_ #define SAO_H_ /***************************************************************************** * This file is part of Kvazaar HEVC encoder. * * Copyright (C) 2013-2015 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 Lesser General Public License as published by the * Free Software Foundation; either version 2.1 of the License, or (at your * option) any later version. * * 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 Lesser 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 Coding Unit (CU) and picture data related functions. */ #include "checkpoint.h" #include "global.h" #include "videoframe.h" #include "encoder.h" #include "encoderstate.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_t { sao_type type; sao_eo_class eo_class; int ddistortion; int merge_left_flag; int merge_up_flag; int band_position[2]; int offsets[NUM_SAO_EDGE_CATEGORIES * 2]; } sao_info_t; #define CHECKPOINT_SAO_INFO(prefix_str, sao) CHECKPOINT(prefix_str " type=%d eo_class=%d ddistortion=%d " \ "merge_left_flag=%d merge_up_flag=%d band_position=%d " \ "offsets[0]=%d offsets[1]=%d offsets[2]=%d offsets[3]=%d offsets[4]=%d", \ (sao).type, (sao).eo_class, (sao).ddistortion, \ (sao).merge_left_flag, (sao).merge_up_flag, (sao).band_position[0], \ (sao).offsets[0], (sao).offsets[1], (sao).offsets[2], (sao).offsets[3], (sao).offsets[4]) void kvz_init_sao_info(sao_info_t *sao); void kvz_sao_search_chroma(const encoder_state_t * state, const videoframe_t *frame, unsigned x_ctb, unsigned y_ctb, sao_info_t *sao, sao_info_t *sao_top, sao_info_t *sao_left, int32_t merge_cost[3]); void kvz_sao_search_luma(const encoder_state_t * state, const videoframe_t *frame, unsigned x_ctb, unsigned y_ctb, sao_info_t *sao, sao_info_t *sao_top, sao_info_t *sao_left, int32_t merge_cost[3]); void kvz_sao_reconstruct(const encoder_control_t * encoder, videoframe_t *frame, const kvz_pixel *old_rec, unsigned x_ctb, unsigned y_ctb, const sao_info_t *sao, color_t color_i); void kvz_sao_reconstruct_frame(encoder_state_t *state); #endif