2 * This file is part of FFmpeg.
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.
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.
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
20 * @file libavfilter/vf_null.c
26 static AVFilterPicRef
*get_video_buffer(AVFilterLink
*link
, int perms
,
29 return avfilter_get_video_buffer(link
->dst
->outputs
[0], perms
, w
, h
);
32 static void start_frame(AVFilterLink
*link
, AVFilterPicRef
*picref
)
34 avfilter_start_frame(link
->dst
->outputs
[0], picref
);
37 static void end_frame(AVFilterLink
*link
)
39 avfilter_end_frame(link
->dst
->outputs
[0]);
42 AVFilter avfilter_vf_null
= {
44 .description
= NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
48 .inputs
= (AVFilterPad
[]) {{ .name
= "default",
49 .type
= CODEC_TYPE_VIDEO
,
50 .get_video_buffer
= get_video_buffer
,
51 .start_frame
= start_frame
,
52 .end_frame
= end_frame
},
55 .outputs
= (AVFilterPad
[]) {{ .name
= "default",
56 .type
= CODEC_TYPE_VIDEO
, },