/* * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> * Copyright (c) 2011 Stefano Sabatini * Copyright (c) 2018 Danil Iashchenko * * 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 AVFILTER_BOXBLUR_H#define AVFILTER_BOXBLUR_H #include "libavutil/eval.h"#include "libavutil/pixdesc.h" #include "avfilter.h" typedef struct FilterParam {    int radius;    int power;    char *radius_expr;} FilterParam; #define Y 0#define U 1#define V 2#define A 3 int ff_boxblur_eval_filter_params(AVFilterLink *inlink,                                  FilterParam *luma_param,                                  FilterParam *chroma_param,                                  FilterParam *alpha_param); #endif // AVFILTER_BOXBLUR_H