Revision f0a55438

View differences:

doc/filters.texi
48 48

  
49 49
@c man end AUDIO SOURCES
50 50

  
51
@chapter Audio Sinks
52
@c man begin AUDIO SINKS
53

  
54
Below is a description of the currently available audio sinks.
55

  
56
@section anullsink
57

  
58
Null audio sink, do absolutely nothing with the input audio. It is
59
mainly useful as a template and to be employed in analysis / debugging
60
tools.
61

  
62
@c man end AUDIO SINKS
63

  
51 64
@chapter Video Filters
52 65
@c man begin VIDEO FILTERS
53 66

  
libavfilter/Makefile
18 18

  
19 19
OBJS-$(CONFIG_ANULLSRC_FILTER)               += asrc_anullsrc.o
20 20

  
21
OBJS-$(CONFIG_ANULLSINK_FILTER)              += asink_anullsink.o
22

  
21 23
OBJS-$(CONFIG_ASPECT_FILTER)                 += vf_aspect.o
22 24
OBJS-$(CONFIG_CROP_FILTER)                   += vf_crop.o
23 25
OBJS-$(CONFIG_FIFO_FILTER)                   += vf_fifo.o
libavfilter/allfilters.c
38 38

  
39 39
    REGISTER_FILTER (ANULLSRC,    anullsrc,    asrc);
40 40

  
41
    REGISTER_FILTER (ANULLSINK,   anullsink,   asink);
42

  
41 43
    REGISTER_FILTER (ASPECT,      aspect,      vf);
42 44
    REGISTER_FILTER (CROP,        crop,        vf);
43 45
    REGISTER_FILTER (FIFO,        fifo,        vf);
libavfilter/asink_anullsink.c
1
/*
2
 * This file is part of FFmpeg.
3
 *
4
 * FFmpeg is free software; you can redistribute it and/or
5
 * modify it under the terms of the GNU Lesser General Public
6
 * License as published by the Free Software Foundation; either
7
 * version 2.1 of the License, or (at your option) any later version.
8
 *
9
 * FFmpeg is distributed in the hope that it will be useful,
10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
 * Lesser General Public License for more details.
13
 *
14
 * You should have received a copy of the GNU Lesser General Public
15
 * License along with FFmpeg; if not, write to the Free Software
16
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
 */
18

  
19
#include "avfilter.h"
20

  
21
static void null_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref) { }
22

  
23
AVFilter avfilter_asink_anullsink = {
24
    .name        = "anullsink",
25
    .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
26

  
27
    .priv_size = 0,
28

  
29
    .inputs    = (AVFilterPad[]) {
30
        {
31
            .name            = "default",
32
            .type            = AVMEDIA_TYPE_AUDIO,
33
            .filter_samples  = null_filter_samples,
34
        },
35
        { .name = NULL},
36
    },
37
    .outputs   = (AVFilterPad[]) {{ .name = NULL }},
38
};
libavfilter/avfilter.h
25 25
#include "libavutil/avutil.h"
26 26

  
27 27
#define LIBAVFILTER_VERSION_MAJOR  1
28
#define LIBAVFILTER_VERSION_MINOR 43
28
#define LIBAVFILTER_VERSION_MINOR 44
29 29
#define LIBAVFILTER_VERSION_MICRO  0
30 30

  
31 31
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \

Also available in: Unified diff