/* * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * null video filter */ #include "avfilter.h"#include "internal.h"#include "video.h" AVFilter avfilter_vf_null = {    .name      = "null",    .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),     .priv_size = 0,     .inputs    = (AVFilterPad[]) {{ .name             = "default",                                    .type             = AVMEDIA_TYPE_VIDEO,                                    .get_video_buffer = ff_null_get_video_buffer,                                    .start_frame      = ff_null_start_frame,                                    .end_frame        = ff_null_end_frame },                                  { .name = NULL}},     .outputs   = (AVFilterPad[]) {{ .name             = "default",                                    .type             = AVMEDIA_TYPE_VIDEO, },                                  { .name = NULL}},};