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/*
* VVC intra prediction
*
* Copyright (C) 2021 Nuo Mi
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VVC_INTRA_H
#define AVCODEC_VVC_INTRA_H
#include "ctu.h"
/**
* reconstruct a CTU
* @param lc local context for CTU
* @param rs raster order for the CTU.
* @param rx raster order x for the CTU.
* @param ry raster order y for the CTU.
* @return AVERROR
*/
int ff_vvc_reconstruct(VVCLocalContext *lc, const int rs, const int rx, const int ry);
//utils for vvc_intra_template
int ff_vvc_get_top_available(const VVCLocalContext *lc, int x0, int y0, int target_size, int c_idx);
int ff_vvc_get_left_available(const VVCLocalContext *lc, int x0, int y0, int target_size, int c_idx);
int ff_vvc_get_mip_size_id(int w, int h);
int ff_vvc_need_pdpc(int w, int h, uint8_t bdpcm_flag, int mode, int ref_idx);
int ff_vvc_nscale_derive(int w, int h, int mode);
int ff_vvc_ref_filter_flag_derive(int mode);
int ff_vvc_intra_pred_angle_derive(int pred_mode);
int ff_vvc_intra_inv_angle_derive(int pred_mode);
int ff_vvc_wide_angle_mode_mapping(const CodingUnit *cu,
int tb_width, int tb_height, int c_idx, int pred_mode_intra);
#endif // AVCODEC_VVC_INTRA_H
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