Libav
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00001 /* 00002 * This file is part of FFmpeg. 00003 * 00004 * FFmpeg is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * FFmpeg is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with FFmpeg; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00017 */ 00018 00019 #include "avfilter.h" 00020 00021 static void start_frame(AVFilterLink *link, AVFilterPicRef *picref) 00022 { 00023 } 00024 00025 static void end_frame(AVFilterLink *link) 00026 { 00027 } 00028 00029 AVFilter avfilter_vsink_nullsink = { 00030 .name = "nullsink", 00031 .description = "Do absolutely nothing with the input video.", 00032 00033 .priv_size = 0, 00034 00035 .inputs = (AVFilterPad[]) { 00036 { 00037 .name = "default", 00038 .type = AVMEDIA_TYPE_VIDEO, 00039 .start_frame = start_frame, 00040 .end_frame = end_frame, 00041 }, 00042 { .name = NULL}, 00043 }, 00044 .outputs = (AVFilterPad[]) {{ .name = NULL }}, 00045 };