| 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 | #include "internal.h" |
| 21 | #include "libavutil/internal.h" |
| 22 | |
| 23 | static int filter_frame(AVFilterLink *link, AVFrame *frame) |
| 24 | { |
| 25 | av_frame_free(&frame); |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | static const AVFilterPad avfilter_vsink_nullsink_inputs[] = { |
| 30 | { |
| 31 | .name = "default", |
| 32 | .type = AVMEDIA_TYPE_VIDEO, |
| 33 | .filter_frame = filter_frame, |
| 34 | }, |
| 35 | { NULL }, |
| 36 | }; |
| 37 | |
| 38 | AVFilter ff_vsink_nullsink = { |
| 39 | .name = "nullsink", |
| 40 | .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input video."), |
| 41 | |
| 42 | .priv_size = 0, |
| 43 | |
| 44 | .inputs = avfilter_vsink_nullsink_inputs, |
| 45 | .outputs = NULL, |
| 46 | }; |