libavfilter/boxblur.h

   1 /*
   2  * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
   3  * Copyright (c) 2011 Stefano Sabatini
   4  * Copyright (c) 2018 Danil Iashchenko
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #ifndef AVFILTER_BOXBLUR_H
  24 #define AVFILTER_BOXBLUR_H
  25
  26 #include "libavutil/eval.h"
  27 #include "libavutil/pixdesc.h"
  28
  29 #include "avfilter.h"
  30
  31 typedef struct FilterParam {
  32     int radius;
  33     int power;
  34     char *radius_expr;
  35 } FilterParam;
  36
  37 #define Y 0
  38 #define U 1
  39 #define V 2
  40 #define A 3
  41
  42 int ff_boxblur_eval_filter_params(AVFilterLink *inlink,
  43                                   FilterParam *luma_param,
  44                                   FilterParam *chroma_param,
  45                                   FilterParam *alpha_param);
  46
  47 #endif // AVFILTER_BOXBLUR_H