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 21 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 32 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 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 69 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
