blob: c634c6a79f0cee90b2bf9d73659fcdd96dfecde8
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 | } |
39 |