Function replace_side_data_from_buf

libavutil/side_data.c:184–196

}

static AVFrameSideData *replace_side_data_from_buf(AVFrameSideData *dst,
                                                   AVBufferRef *buf, int flags)
{
    if (!(flags & AV_FRAME_SIDE_DATA_FLAG_REPLACE))
        return NULL;

    av_dict_free(&dst->metadata);
    av_buffer_unref(&dst->buf);
    dst->buf  = buf;
    dst->data = buf->data;
    dst->size = buf->size;
    return dst;
}

AVFrameSideData *av_frame_side_data_new(AVFrameSideData ***sd, int *nb_sd,
                                        enum AVFrameSideDataType type,