summaryrefslogtreecommitdiffstats
path: root/third_party/jpeg-xl/lib/extras/hlg.h
blob: 4cfec444f4c50e7fdaf9991feeccd93620bce874 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#ifndef LIB_EXTRAS_HLG_H_
#define LIB_EXTRAS_HLG_H_

#include "lib/jxl/image_bundle.h"

namespace jxl {

float GetHlgGamma(float peak_luminance, float surround_luminance = 5.f);

Status HlgOOTF(ImageBundle* ib, float gamma, ThreadPool* pool = nullptr);

Status HlgInverseOOTF(ImageBundle* ib, float gamma, ThreadPool* pool = nullptr);

}  // namespace jxl

#endif  // LIB_EXTRAS_HLG_H_