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#include "avfilter.h" 20 21static void start_frame(AVFilterLink *link, AVFilterPicRef *picref) 22{ 23} 24 25static void end_frame(AVFilterLink *link) 26{ 27} 28 29AVFilter avfilter_vsink_nullsink = { 30 .name = "nullsink", 31 .description = "Do absolutely nothing with the input video.", 32 33 .priv_size = 0, 34 35 .inputs = (AVFilterPad[]) { 36 { 37 .name = "default", 38 .type = AVMEDIA_TYPE_VIDEO, 39 .start_frame = start_frame, 40 .end_frame = end_frame, 41 }, 42 { .name = NULL}, 43 }, 44 .outputs = (AVFilterPad[]) {{ .name = NULL }}, 45}; 46