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vvcdec: add LMCS, Deblocking, SAO, and ALF filters
Co-authored-by: Xu Mu <toxumu@outlook.com> Co-authored-by: Frank Plowman <post@frankplowman.com> Co-authored-by: Shaun Loo <shaunloo10@gmail.com> Co-authored-by: Wu Jianhua <toqsxw@outlook.com>
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@ -4,6 +4,7 @@ clean::
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OBJS-$(CONFIG_VVC_DECODER) += vvc/vvc_cabac.o \
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vvc/vvc_ctu.o \
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vvc/vvc_data.o \
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vvc/vvc_filter.o \
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vvc/vvc_inter.o \
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vvc/vvc_intra.o \
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vvc/vvc_itx_1d.o \
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@ -463,6 +463,7 @@ typedef struct ALFParams {
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void ff_vvc_set_neighbour_available(VVCLocalContext *lc, int x0, int y0, int w, int h);
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void ff_vvc_decode_neighbour(VVCLocalContext *lc, int x_ctb, int y_ctb, int rx, int ry, int rs);
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void ff_vvc_ctu_free_cus(CTU *ctu);
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int ff_vvc_get_qPy(const VVCFrameContext *fc, int xc, int yc);
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void ff_vvc_ep_init_stat_coeff(EntryPoint *ep, int bit_depth, int persistent_rice_adaptation_enabled_flag);
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#endif // AVCODEC_VVC_VVC_CTU_H
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1332
libavcodec/vvc/vvc_filter.c
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libavcodec/vvc/vvc_filter.c
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71
libavcodec/vvc/vvc_filter.h
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71
libavcodec/vvc/vvc_filter.h
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@ -0,0 +1,71 @@
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/*
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* VVC filters
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*
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* Copyright (C) 2022 Nuo Mi
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*
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VVC_VVC_FILTER_H
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#define AVCODEC_VVC_VVC_FILTER_H
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#include "vvcdec.h"
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/**
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* lmcs filter for the CTU
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* @param lc local context for CTU
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* @param x0 x position for the CTU
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* @param y0 y position for the CTU
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*/
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void ff_vvc_lmcs_filter(const VVCLocalContext *lc, const int x0, const int y0);
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/**
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* vertical deblock filter for the CTU
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* @param lc local context for CTU
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* @param x0 x position for the CTU
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* @param y0 y position for the CTU
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*/
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void ff_vvc_deblock_vertical(const VVCLocalContext *lc, int x0, int y0);
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/**
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* horizontal deblock filter for the CTU
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* @param lc local context for CTU
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* @param x0 x position for the CTU
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* @param y0 y position for the CTU
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*/
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void ff_vvc_deblock_horizontal(const VVCLocalContext *lc, int x0, int y0);
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/**
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* sao filter for the CTU
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* @param lc local context for CTU
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* @param x0 x position for the CTU
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* @param y0 y position for the CTU
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*/
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void ff_vvc_sao_filter(VVCLocalContext *lc, const int x0, const int y0);
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void ff_vvc_sao_copy_ctb_to_hv(VVCLocalContext* lc, int rx, int ry, int last_row);
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void ff_vvc_alf_copy_ctu_to_hv(VVCLocalContext* lc, int x0, int y0);
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/**
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* alf filter for the CTU
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* @param lc local context for CTU
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* @param x0 x position for the CTU
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* @param y0 y position for the CTU
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*/
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void ff_vvc_alf_filter(VVCLocalContext *lc, const int x0, const int y0);
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#endif // AVCODEC_VVC_VVC_CTU_H
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1135
libavcodec/vvc/vvc_filter_template.c
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1135
libavcodec/vvc/vvc_filter_template.c
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