text: /*
   * 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,
  };
  