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// 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.
#include "lib/jxl/luminance.h"
#include "lib/jxl/image_metadata.h"
namespace jxl {
void SetIntensityTarget(ImageMetadata* m) {
if (m->color_encoding.Tf().IsPQ()) {
// Peak luminance of PQ as defined by SMPTE ST 2084:2014.
m->SetIntensityTarget(10000);
} else if (m->color_encoding.Tf().IsHLG()) {
// Nominal display peak luminance used as a reference by
// Rec. ITU-R BT.2100-2.
m->SetIntensityTarget(1000);
} else {
// SDR
m->SetIntensityTarget(kDefaultIntensityTarget);
}
}
} // namespace jxl
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