/*
  * 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,

 };