chromium/third_party/ffmpeg/libavutil/hdr_dynamic_metadata.c

/**
 * Copyright (c) 2018 Mohammad Izadi <moh.izadi at 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 "avassert.h"
#include "hdr_dynamic_metadata.h"
#include "mem.h"
#include "libavcodec/defs.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"

static const int64_t luminance_den = …;
static const int32_t peak_luminance_den = …;
static const int64_t rgb_den = …;
static const int32_t fraction_pixel_den = …;
static const int32_t knee_point_den = …;
static const int32_t bezier_anchor_den = …;
static const int32_t saturation_weight_den = …;

AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size)
{ … }

AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame)
{ … }

int av_dynamic_hdr_plus_from_t35(AVDynamicHDRPlus *s, const uint8_t *data,
                                 size_t size)
{ … }

int av_dynamic_hdr_plus_to_t35(const AVDynamicHDRPlus *s, uint8_t **data, size_t *size)
{ … }