allfilters.c
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1 /*
2  * filter registration
3  * Copyright (c) 2008 Vitor Sessak
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "avfilter.h"
23 #include "config.h"
24 
25 
26 #define REGISTER_FILTER(X, x, y) \
27  { \
28  extern AVFilter avfilter_##y##_##x; \
29  if (CONFIG_##X##_FILTER) \
30  avfilter_register(&avfilter_##y##_##x); \
31  }
32 
33 #define REGISTER_FILTER_UNCONDITIONAL(x) \
34  { \
35  extern AVFilter avfilter_##x; \
36  avfilter_register(&avfilter_##x); \
37  }
38 
40 {
41  static int initialized;
42 
43  if (initialized)
44  return;
45  initialized = 1;
46 
47  REGISTER_FILTER(AFORMAT, aformat, af);
48  REGISTER_FILTER(AMIX, amix, af);
49  REGISTER_FILTER(ANULL, anull, af);
50  REGISTER_FILTER(ASHOWINFO, ashowinfo, af);
51  REGISTER_FILTER(ASPLIT, asplit, af);
52  REGISTER_FILTER(ASYNCTS, asyncts, af);
53  REGISTER_FILTER(CHANNELMAP, channelmap, af);
54  REGISTER_FILTER(CHANNELSPLIT, channelsplit, af);
55  REGISTER_FILTER(JOIN, join, af);
56  REGISTER_FILTER(RESAMPLE, resample, af);
57  REGISTER_FILTER(VOLUME, volume, af);
58 
59  REGISTER_FILTER(ANULLSRC, anullsrc, asrc);
60 
61  REGISTER_FILTER(ANULLSINK, anullsink, asink);
62 
63  REGISTER_FILTER(BLACKFRAME, blackframe, vf);
64  REGISTER_FILTER(BOXBLUR, boxblur, vf);
66  REGISTER_FILTER(CROP, crop, vf);
67  REGISTER_FILTER(CROPDETECT, cropdetect, vf);
68  REGISTER_FILTER(DELOGO, delogo, vf);
69  REGISTER_FILTER(DRAWBOX, drawbox, vf);
70  REGISTER_FILTER(DRAWTEXT, drawtext, vf);
71  REGISTER_FILTER(FADE, fade, vf);
72  REGISTER_FILTER(FIELDORDER, fieldorder, vf);
73  REGISTER_FILTER(FORMAT, format, vf);
74  REGISTER_FILTER(FPS, fps, vf);
75  REGISTER_FILTER(FREI0R, frei0r, vf);
76  REGISTER_FILTER(GRADFUN, gradfun, vf);
77  REGISTER_FILTER(HFLIP, hflip, vf);
78  REGISTER_FILTER(HQDN3D, hqdn3d, vf);
79  REGISTER_FILTER(LUT, lut, vf);
80  REGISTER_FILTER(LUTRGB, lutrgb, vf);
81  REGISTER_FILTER(LUTYUV, lutyuv, vf);
82  REGISTER_FILTER(NEGATE, negate, vf);
83  REGISTER_FILTER(NOFORMAT, noformat, vf);
84  REGISTER_FILTER(NULL, null, vf);
85  REGISTER_FILTER(OCV, ocv, vf);
86  REGISTER_FILTER(OVERLAY, overlay, vf);
87  REGISTER_FILTER(PAD, pad, vf);
88  REGISTER_FILTER(PIXDESCTEST, pixdesctest, vf);
89  REGISTER_FILTER(SCALE, scale, vf);
90  REGISTER_FILTER(SELECT, select, vf);
91  REGISTER_FILTER(SETDAR, setdar, vf);
92  REGISTER_FILTER(SETPTS, setpts, vf);
93  REGISTER_FILTER(SETSAR, setsar, vf);
94  REGISTER_FILTER(SETTB, settb, vf);
95  REGISTER_FILTER(SHOWINFO, showinfo, vf);
98  REGISTER_FILTER(UNSHARP, unsharp, vf);
99  REGISTER_FILTER(VFLIP, vflip, vf);
100  REGISTER_FILTER(YADIF, yadif, vf);
101 
102  REGISTER_FILTER(COLOR, color, vsrc);
103  REGISTER_FILTER(FREI0R, frei0r_src, vsrc);
104  REGISTER_FILTER(MOVIE, movie, vsrc);
105  REGISTER_FILTER(NULLSRC, nullsrc, vsrc);
106  REGISTER_FILTER(RGBTESTSRC, rgbtestsrc, vsrc);
107  REGISTER_FILTER(TESTSRC, testsrc, vsrc);
108 
109  REGISTER_FILTER(NULLSINK, nullsink, vsink);
110 
111  /* those filters are part of public or internal API => registered
112  * unconditionally */
113  REGISTER_FILTER_UNCONDITIONAL(asrc_abuffer);
114  REGISTER_FILTER_UNCONDITIONAL(vsrc_buffer);
115  REGISTER_FILTER_UNCONDITIONAL(asink_abuffer);
116  REGISTER_FILTER_UNCONDITIONAL(vsink_buffer);
119 }
void avfilter_register_all(void)
Initialize the filter system.
Definition: allfilters.c:39
#define COLOR(theta, r)
#define COPY(condition)
static void copy(LZOContext *c, int cnt)
Copies bytes from input to output buffer with checking.
Definition: lzo.c:79
#define OVERLAY
Definition: vf_overlay.c:63
static int resample(ResampleContext *c, void *dst, const void *src, int *consumed, int src_size, int dst_size, int update_ctx)
Definition: resample.c:331
#define TRANSPOSE
#define transpose(x)
static char * split(char *message, char delim)
Definition: af_channelmap.c:86
#define REGISTER_FILTER(X, x, y)
Definition: allfilters.c:26
NULL
Definition: eval.c:52
static void drawbox(AVFilterBufferRef *picref, unsigned int x, unsigned int y, unsigned int width, unsigned int height, uint8_t *line[4], int pixel_step[4], uint8_t color[4], int hsub, int vsub, int is_rgba_packed, uint8_t rgba_map[4])
Definition: vf_drawtext.c:695
static const uint16_t scale[4]
#define REGISTER_FILTER_UNCONDITIONAL(x)
Definition: allfilters.c:33
#define SPLIT(dst, sf, n)
Definition: mpegaudiodec.c:757
static const uint8_t color[]
Definition: log.c:52