| 1 | /* |
| 2 | * Copyright (c) 2014 Tim Walker <tdskywalker@gmail.com> |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "downmix_info.h" |
| 22 | #include "frame.h" |
| 23 | |
| 24 | AVDownmixInfo *av_downmix_info_update_side_data(AVFrame *frame) |
| 25 | { |
| 26 | AVFrameSideData *side_data; |
| 27 | |
| 28 | side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO); |
| 29 | |
| 30 | if (!side_data) |
| 31 | side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO, |
| 32 | sizeof(AVDownmixInfo)); |
| 33 | |
| 34 | if (!side_data) |
| 35 | return NULL; |
| 36 | |
| 37 | return (AVDownmixInfo*)side_data->data; |
| 38 | } |