| /* |
| * Copyright (c) 2014 Tim Walker <tdskywalker@gmail.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "downmix_info.h" |
| #include "frame.h" |
| |
| AVDownmixInfo *av_downmix_info_update_side_data(AVFrame *frame) |
| { |
| AVFrameSideData *side_data; |
| |
| side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO); |
| |
| if (!side_data) |
| side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO, |
| sizeof(AVDownmixInfo)); |
| |
| if (!side_data) |
| return NULL; |
| |
| return (AVDownmixInfo*)side_data->data; |
| } |