1 /*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gui/HdrMetadata.h>
18
19 namespace android {
20
getFlattenedSize() const21 size_t HdrMetadata::getFlattenedSize() const {
22 size_t size = sizeof(validTypes);
23 if (validTypes & SMPTE2086) {
24 size += sizeof(smpte2086);
25 }
26 if (validTypes & CTA861_3) {
27 size += sizeof(cta8613);
28 }
29 return size;
30 }
31
flatten(void * buffer,size_t size) const32 status_t HdrMetadata::flatten(void* buffer, size_t size) const {
33 if (size < getFlattenedSize()) {
34 return NO_MEMORY;
35 }
36
37 FlattenableUtils::write(buffer, size, validTypes);
38 if (validTypes & SMPTE2086) {
39 FlattenableUtils::write(buffer, size, smpte2086);
40 }
41 if (validTypes & CTA861_3) {
42 FlattenableUtils::write(buffer, size, cta8613);
43 }
44
45 return NO_ERROR;
46 }
47
unflatten(void const * buffer,size_t size)48 status_t HdrMetadata::unflatten(void const* buffer, size_t size) {
49 if (size < sizeof(validTypes)) {
50 return NO_MEMORY;
51 }
52 FlattenableUtils::read(buffer, size, validTypes);
53 if (validTypes & SMPTE2086) {
54 if (size < sizeof(smpte2086)) {
55 return NO_MEMORY;
56 }
57 FlattenableUtils::read(buffer, size, smpte2086);
58 }
59 if (validTypes & CTA861_3) {
60 if (size < sizeof(cta8613)) {
61 return NO_MEMORY;
62 }
63 FlattenableUtils::read(buffer, size, cta8613);
64 }
65
66 return NO_ERROR;
67 }
68
operator ==(const HdrMetadata & rhs) const69 bool HdrMetadata::operator==(const HdrMetadata& rhs) const {
70 if (validTypes != rhs.validTypes) return false;
71
72 if ((validTypes & SMPTE2086) == SMPTE2086) {
73 if (smpte2086.displayPrimaryRed.x != rhs.smpte2086.displayPrimaryRed.x ||
74 smpte2086.displayPrimaryRed.y != rhs.smpte2086.displayPrimaryRed.y ||
75 smpte2086.displayPrimaryGreen.x != rhs.smpte2086.displayPrimaryGreen.x ||
76 smpte2086.displayPrimaryGreen.y != rhs.smpte2086.displayPrimaryGreen.y ||
77 smpte2086.displayPrimaryBlue.x != rhs.smpte2086.displayPrimaryBlue.x ||
78 smpte2086.displayPrimaryBlue.y != rhs.smpte2086.displayPrimaryBlue.y ||
79 smpte2086.whitePoint.x != rhs.smpte2086.whitePoint.x ||
80 smpte2086.whitePoint.y != rhs.smpte2086.whitePoint.y ||
81 smpte2086.maxLuminance != rhs.smpte2086.maxLuminance ||
82 smpte2086.minLuminance != rhs.smpte2086.minLuminance) {
83 return false;
84 }
85 }
86
87 if ((validTypes & CTA861_3) == CTA861_3) {
88 if (cta8613.maxFrameAverageLightLevel != rhs.cta8613.maxFrameAverageLightLevel ||
89 cta8613.maxContentLightLevel != rhs.cta8613.maxContentLightLevel) {
90 return false;
91 }
92 }
93
94 return true;
95 }
96
97 } // namespace android
98