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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  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.
  8.  *
  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.
  13.  *
  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
  17.  */
  18.  
  19. /**
  20.  * @file
  21.  * null video filter
  22.  */
  23.  
  24. #include "libavutil/internal.h"
  25. #include "avfilter.h"
  26. #include "internal.h"
  27. #include "video.h"
  28.  
  29. static const AVFilterPad avfilter_vf_null_inputs[] = {
  30.     {
  31.         .name = "default",
  32.         .type = AVMEDIA_TYPE_VIDEO,
  33.     },
  34.     { NULL }
  35. };
  36.  
  37. static const AVFilterPad avfilter_vf_null_outputs[] = {
  38.     {
  39.         .name = "default",
  40.         .type = AVMEDIA_TYPE_VIDEO,
  41.     },
  42.     { NULL }
  43. };
  44.  
  45. AVFilter avfilter_vf_null = {
  46.     .name        = "null",
  47.     .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
  48.     .inputs      = avfilter_vf_null_inputs,
  49.     .outputs     = avfilter_vf_null_outputs,
  50. };
  51.