gecko-dev/media/ffvpx/libavutil/film_grain_params.c

43 строки
1.4 KiB
C

/**
* 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 "film_grain_params.h"
AVFilmGrainParams *av_film_grain_params_alloc(size_t *size)
{
AVFilmGrainParams *params = av_mallocz(sizeof(AVFilmGrainParams));
if (size)
*size = sizeof(*params);
return params;
}
AVFilmGrainParams *av_film_grain_params_create_side_data(AVFrame *frame)
{
AVFrameSideData *side_data = av_frame_new_side_data(frame,
AV_FRAME_DATA_FILM_GRAIN_PARAMS,
sizeof(AVFilmGrainParams));
if (!side_data)
return NULL;
memset(side_data->data, 0, sizeof(AVFilmGrainParams));
return (AVFilmGrainParams *)side_data->data;
}