FFmpeg  4.4.5
blend.h
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1 /*
2  * Copyright (c) 2013 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVFILTER_BLEND_H
22 #define AVFILTER_BLEND_H
23 
24 #include "libavutil/eval.h"
25 #include "avfilter.h"
26 
27 enum BlendMode {
62  BLEND_NB
63 };
64 
65 typedef struct FilterParams {
66  enum BlendMode mode;
67  double opacity;
69  char *expr_str;
70  void (*blend)(const uint8_t *top, ptrdiff_t top_linesize,
71  const uint8_t *bottom, ptrdiff_t bottom_linesize,
72  uint8_t *dst, ptrdiff_t dst_linesize,
73  ptrdiff_t width, ptrdiff_t height,
74  struct FilterParams *param, double *values, int starty);
75 } FilterParams;
76 
77 void ff_blend_init(FilterParams *param, int depth);
78 void ff_blend_init_x86(FilterParams *param, int depth);
79 
80 #endif /* AVFILTER_BLEND_H */
uint8_t
Main libavfilter public API header.
void ff_blend_init(FilterParams *param, int depth)
Definition: vf_blend.c:747
BlendMode
Definition: blend.h:27
@ BLEND_HARDLIGHT
Definition: blend.h:40
@ BLEND_HARDMIX
Definition: blend.h:54
@ BLEND_PHOENIX
Definition: blend.h:46
@ BLEND_MULTIPLY128
Definition: blend.h:58
@ BLEND_NORMAL
Definition: blend.h:29
@ BLEND_EXTREMITY
Definition: blend.h:61
@ BLEND_XOR
Definition: blend.h:53
@ BLEND_UNSET
Definition: blend.h:28
@ BLEND_BURN
Definition: blend.h:33
@ BLEND_AVERAGE
Definition: blend.h:32
@ BLEND_DIVIDE
Definition: blend.h:37
@ BLEND_OR
Definition: blend.h:44
@ BLEND_VIVIDLIGHT
Definition: blend.h:52
@ BLEND_EXCLUSION
Definition: blend.h:39
@ BLEND_DIFFERENCE
Definition: blend.h:35
@ BLEND_DARKEN
Definition: blend.h:34
@ BLEND_REFLECT
Definition: blend.h:48
@ BLEND_GRAINEXTRACT
Definition: blend.h:36
@ BLEND_PINLIGHT
Definition: blend.h:47
@ BLEND_DODGE
Definition: blend.h:38
@ BLEND_GLOW
Definition: blend.h:56
@ BLEND_OVERLAY
Definition: blend.h:45
@ BLEND_AND
Definition: blend.h:31
@ BLEND_FREEZE
Definition: blend.h:60
@ BLEND_LIGHTEN
Definition: blend.h:41
@ BLEND_LINEARLIGHT
Definition: blend.h:55
@ BLEND_SOFTLIGHT
Definition: blend.h:50
@ BLEND_GRAINMERGE
Definition: blend.h:57
@ BLEND_SCREEN
Definition: blend.h:49
@ BLEND_NEGATION
Definition: blend.h:43
@ BLEND_HEAT
Definition: blend.h:59
@ BLEND_NB
Definition: blend.h:62
@ BLEND_ADDITION
Definition: blend.h:30
@ BLEND_SUBTRACT
Definition: blend.h:51
@ BLEND_MULTIPLY
Definition: blend.h:42
void ff_blend_init_x86(FilterParams *param, int depth)
simple arithmetic expression evaluator
typedef void(RENAME(mix_any_func_type))
Definition: eval.c:157
filter data
Definition: mlp.h:74
void(* blend)(const uint8_t *top, ptrdiff_t top_linesize, const uint8_t *bottom, ptrdiff_t bottom_linesize, uint8_t *dst, ptrdiff_t dst_linesize, ptrdiff_t width, ptrdiff_t height, struct FilterParams *param, double *values, int starty)
Definition: blend.h:70
char * expr_str
Definition: blend.h:69
AVExpr * e
Definition: blend.h:68
enum BlendMode mode
Definition: blend.h:66
double opacity
Definition: blend.h:67
#define height
#define width