FFmpeg4/libavfilter/vsink_nullsink.c

45 lines
1.4 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avfilter.h"
#include "internal.h"
#include "libavutil/internal.h"
static int filter_frame(AVFilterLink *link, AVFrame *frame)
{
av_frame_free(&frame);
return 0;
}
static const AVFilterPad avfilter_vsink_nullsink_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL },
};
AVFilter ff_vsink_nullsink = {
.name = "nullsink",
.description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input video."),
.priv_size = 0,
.inputs = avfilter_vsink_nullsink_inputs,
.outputs = NULL,
};