39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
|
/*
|
||
|
* 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;
|
||
|
}
|