h264_metadata: Add option to delete filler data
[libav.git] / libavfilter / vsink_nullsink.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; 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 #include "internal.h"
21 #include "libavutil/internal.h"
22
23 static int filter_frame(AVFilterLink *link, AVFrame *frame)
24 {
25 av_frame_free(&frame);
26 return 0;
27 }
28
29 static const AVFilterPad avfilter_vsink_nullsink_inputs[] = {
30 {
31 .name = "default",
32 .type = AVMEDIA_TYPE_VIDEO,
33 .filter_frame = filter_frame,
34 },
35 { NULL },
36 };
37
38 AVFilter ff_vsink_nullsink = {
39 .name = "nullsink",
40 .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input video."),
41
42 .priv_size = 0,
43
44 .inputs = avfilter_vsink_nullsink_inputs,
45 .outputs = NULL,
46 };