FFmpeg
boxblur.h
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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 #include "libavutil/mem.h"
29 
30 #include "avfilter.h"
31 
32 typedef struct FilterParam {
33  int radius;
34  int power;
35  char *radius_expr;
36 } FilterParam;
37 
38 #define Y 0
39 #define U 1
40 #define V 2
41 #define A 3
42 
44  FilterParam *luma_param,
45  FilterParam *chroma_param,
46  FilterParam *alpha_param);
47 
48 #endif // AVFILTER_BOXBLUR_H
int radius
Definition: boxblur.h:33
Main libavfilter public API header.
Memory handling functions.
char * radius_expr
Definition: boxblur.h:35
int ff_boxblur_eval_filter_params(AVFilterLink *inlink, FilterParam *luma_param, FilterParam *chroma_param, FilterParam *alpha_param)
Definition: boxblur.c:46
int power
Definition: boxblur.h:34
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
simple arithmetic expression evaluator