FFmpeg/libavutil/stereo3d.c

/*
 * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@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 <stdint.h>
#include <string.h>

#include "mem.h"
#include "stereo3d.h"

AVStereo3D *av_stereo3d_alloc(void)
{
    return av_mallocz(sizeof(AVStereo3D));
}

AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
{
    AVFrameSideData *side_data = av_frame_new_side_data(frame,
                                                        AV_FRAME_DATA_STEREO3D,
                                                        sizeof(AVStereo3D));
    if (!side_data)
        return NULL;

    memset(side_data->data, 0, sizeof(AVStereo3D));

    return (AVStereo3D *)side_data->data;
}