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Reorder methods and members of HdrMetadata

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Bug: webrtc:8651
Change-Id: I67941a5918d5cd31a7b04b11aa20c500d49e9a62
Reviewed-on: https://webrtc-review.googlesource.com/c/114283
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Johannes Kron <kron@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26002}
This commit is contained in:
Johannes Kron 2018-12-13 13:58:32 +01:00 committed by Commit Bot
parent d96b275cd6
commit fe79b34c11
1 changed files with 33 additions and 34 deletions
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67
api/video/hdr_metadata.h
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@ -11,21 +11,14 @@
#ifndef API_VIDEO_HDR_METADATA_H_
#define API_VIDEO_HDR_METADATA_H_
#include <stdint.h>
namespace webrtc {
// SMPTE ST 2086 mastering metadata,
// see https://ieeexplore.ieee.org/document/8353899.
struct HdrMasteringMetadata {
struct Chromaticity {
// xy chromaticity coordinates must be calculated as specified in ISO
// 11664-3:2012 Section 7, and must be specified with four decimal places.
// The x coordinate should be in the range [0.0001, 0.7400] and the y
// coordinate should be in the range [0.0001, 0.8400]. Valid range [0.0000,
// 1.0000].
float x = 0.0f;
float y = 0.0f;
Chromaticity();
bool operator==(const Chromaticity& rhs) const {
return x == rhs.x && y == rhs.y;
}
@ -34,9 +27,31 @@ struct HdrMasteringMetadata {
return x >= 0.0 && x <= 1.0 && y >= 0.0 && y <= 1.0;
}
Chromaticity();
// xy chromaticity coordinates must be calculated as specified in ISO
// 11664-3:2012 Section 7, and must be specified with four decimal places.
// The x coordinate should be in the range [0.0001, 0.7400] and the y
// coordinate should be in the range [0.0001, 0.8400]. Valid range [0.0000,
// 1.0000].
float x = 0.0f;
float y = 0.0f;
};
HdrMasteringMetadata();
bool operator==(const HdrMasteringMetadata& rhs) const {
return ((primary_r == rhs.primary_r) && (primary_g == rhs.primary_g) &&
(primary_b == rhs.primary_b) && (white_point == rhs.white_point) &&
(luminance_max == rhs.luminance_max) &&
(luminance_min == rhs.luminance_min));
}
bool Validate() const {
return luminance_max >= 0.0 && luminance_max <= 20000.0 &&
luminance_min >= 0.0 && luminance_min <= 5.0 &&
primary_r.Validate() && primary_g.Validate() &&
primary_b.Validate() && white_point.Validate();
}
// The nominal primaries of the mastering display.
Chromaticity primary_r;
Chromaticity primary_g;
@ -54,36 +69,12 @@ struct HdrMasteringMetadata {
// in the unit candela/m2. The value should be in the range [0.0001, 5.0000]
// with four decimal places. Valid range [0.0000, 5.0000].
float luminance_min = 0.0f;
HdrMasteringMetadata();
bool operator==(const HdrMasteringMetadata& rhs) const {
return ((primary_r == rhs.primary_r) && (primary_g == rhs.primary_g) &&
(primary_b == rhs.primary_b) && (white_point == rhs.white_point) &&
(luminance_max == rhs.luminance_max) &&
(luminance_min == rhs.luminance_min));
}
bool Validate() const {
return luminance_max >= 0.0 && luminance_max <= 20000.0 &&
luminance_min >= 0.0 && luminance_min <= 5.0 &&
primary_r.Validate() && primary_g.Validate() &&
primary_b.Validate() && white_point.Validate();
}
};
// High dynamic range (HDR) metadata common for HDR10 and WebM/VP9-based HDR
// formats. This struct replicates the HDRMetadata struct defined in
// https://cs.chromium.org/chromium/src/media/base/hdr_metadata.h
struct HdrMetadata {
HdrMasteringMetadata mastering_metadata;
// Max content light level (CLL), i.e. maximum brightness level present in the
// stream, in nits. 1 nit = 1 candela/m2. Valid range [0, 20000].
int max_content_light_level = 0;
// Max frame-average light level (FALL), i.e. maximum average brightness of
// the brightest frame in the stream, in nits. Valid range [0, 20000].
int max_frame_average_light_level = 0;
HdrMetadata();
bool operator==(const HdrMetadata& rhs) const {
@ -99,6 +90,14 @@ struct HdrMetadata {
max_frame_average_light_level <= 20000 &&
mastering_metadata.Validate();
}
HdrMasteringMetadata mastering_metadata;
// Max content light level (CLL), i.e. maximum brightness level present in the
// stream, in nits. 1 nit = 1 candela/m2. Valid range [0, 20000].
int max_content_light_level = 0;
// Max frame-average light level (FALL), i.e. maximum average brightness of
// the brightest frame in the stream, in nits. Valid range [0, 20000].
int max_frame_average_light_level = 0;
};
} // namespace webrtc