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 }; 35 36 static const AVFilterPad avfilter_vf_null_outputs[] = { 37 { 38 .name = "default", 39 .type = AVMEDIA_TYPE_VIDEO, 40 }, 41 }; 42 43 const AVFilter ff_vf_null = { 44 .name = "null", 45 .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."), 46 .flags = AVFILTER_FLAG_METADATA_ONLY, 47 FILTER_INPUTS(avfilter_vf_null_inputs), 48 FILTER_OUTPUTS(avfilter_vf_null_outputs), 49 }; 50