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/*
* Copyright (c) 2014 Tim Walker <tdskywalker@gmail.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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;
}
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