1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126


media / base / android / jni_hdr_metadata.cc [blame]

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/base/android/jni_hdr_metadata.h"

#include "media/base/video_color_space.h"
#include "ui/gfx/hdr_metadata.h"

// Must come after all headers that specialize FromJniType() / ToJniType().
#include "media/base/android/media_jni_headers/HdrMetadata_jni.h"

namespace media {

namespace {

constexpr gfx::HdrMetadataCta861_3 kDefault861_3;
constexpr gfx::HdrMetadataSmpteSt2086 kDefault2086;

}  // namespace

JniHdrMetadata::JniHdrMetadata(const VideoColorSpace& color_space,
                               const gfx::HDRMetadata& hdr_metadata)
    : color_space_(color_space), hdr_metadata_(hdr_metadata) {
  JNIEnv* env = base::android::AttachCurrentThread();
  jobject_ = Java_HdrMetadata_create(env, reinterpret_cast<jlong>(this));
  base::android::CheckException(env);
}

JniHdrMetadata::~JniHdrMetadata() {
  JNIEnv* env = base::android::AttachCurrentThread();
  Java_HdrMetadata_close(env, obj());
}

jint JniHdrMetadata::Primaries(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return static_cast<int>(color_space_->primaries);
}

jint JniHdrMetadata::ColorTransfer(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return static_cast<int>(color_space_->transfer);
}

jint JniHdrMetadata::Range(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& obj) {
  return static_cast<int>(color_space_->range);
}

jfloat JniHdrMetadata::PrimaryRChromaticityX(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fRX;
}

jfloat JniHdrMetadata::PrimaryRChromaticityY(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fRY;
}

jfloat JniHdrMetadata::PrimaryGChromaticityX(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fGX;
}

jfloat JniHdrMetadata::PrimaryGChromaticityY(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fGY;
}

jfloat JniHdrMetadata::PrimaryBChromaticityX(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fBX;
}

jfloat JniHdrMetadata::PrimaryBChromaticityY(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fBY;
}

jfloat JniHdrMetadata::WhitePointChromaticityX(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fWX;
}

jfloat JniHdrMetadata::WhitePointChromaticityY(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).primaries.fWY;
}

jfloat JniHdrMetadata::MaxColorVolumeLuminance(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).luminance_max;
}

jfloat JniHdrMetadata::MinColorVolumeLuminance(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->smpte_st_2086.value_or(kDefault2086).luminance_min;
}

jint JniHdrMetadata::MaxContentLuminance(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->cta_861_3.value_or(kDefault861_3)
      .max_content_light_level;
}

jint JniHdrMetadata::MaxFrameAverageLuminance(
    JNIEnv* env,
    const base::android::JavaParamRef<jobject>& obj) {
  return hdr_metadata_->cta_861_3.value_or(kDefault861_3)
      .max_frame_average_light_level;
}

}  // namespace media