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131 lines
4.2 KiB
131 lines
4.2 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gui/HdrMetadata.h>
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#include <limits>
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namespace android {
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size_t HdrMetadata::getFlattenedSize() const {
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size_t size = sizeof(validTypes);
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if (validTypes & SMPTE2086) {
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size += sizeof(smpte2086);
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}
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if (validTypes & CTA861_3) {
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size += sizeof(cta8613);
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}
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if (validTypes & HDR10PLUS) {
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size += sizeof(uint32_t);
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size += hdr10plus.size() * sizeof(hdr10plus[0]);
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}
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return size;
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}
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status_t HdrMetadata::flatten(void* buffer, size_t size) const {
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if (size < getFlattenedSize()) {
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return NO_MEMORY;
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}
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FlattenableUtils::write(buffer, size, validTypes);
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if (validTypes & SMPTE2086) {
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FlattenableUtils::write(buffer, size, smpte2086);
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}
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if (validTypes & CTA861_3) {
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FlattenableUtils::write(buffer, size, cta8613);
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}
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if (validTypes & HDR10PLUS) {
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uint32_t metadataSize = hdr10plus.size();
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FlattenableUtils::write(buffer, size, metadataSize);
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size_t metadataSizeinByte = metadataSize * sizeof(hdr10plus[0]);
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memcpy(buffer, hdr10plus.data(), metadataSizeinByte);
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FlattenableUtils::advance(buffer, size, metadataSizeinByte);
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}
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return NO_ERROR;
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}
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status_t HdrMetadata::unflatten(void const* buffer, size_t size) {
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if (size < sizeof(validTypes)) {
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return NO_MEMORY;
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}
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FlattenableUtils::read(buffer, size, validTypes);
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if (validTypes & SMPTE2086) {
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if (size < sizeof(smpte2086)) {
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return NO_MEMORY;
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}
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FlattenableUtils::read(buffer, size, smpte2086);
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}
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if (validTypes & CTA861_3) {
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if (size < sizeof(cta8613)) {
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return NO_MEMORY;
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}
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FlattenableUtils::read(buffer, size, cta8613);
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}
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if (validTypes & HDR10PLUS) {
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if (size < sizeof(uint32_t)) {
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return NO_MEMORY;
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}
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uint32_t metadataSize;
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FlattenableUtils::read(buffer, size, metadataSize);
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size_t metadataSizeinByte = metadataSize * sizeof(hdr10plus[0]);
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if (size < metadataSizeinByte) {
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return NO_MEMORY;
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}
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hdr10plus.resize(metadataSize);
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memcpy(hdr10plus.data(), buffer, metadataSizeinByte);
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FlattenableUtils::advance(buffer, size, metadataSizeinByte);
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}
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return NO_ERROR;
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}
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bool HdrMetadata::operator==(const HdrMetadata& rhs) const {
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if (validTypes != rhs.validTypes) return false;
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if ((validTypes & SMPTE2086) == SMPTE2086) {
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if (smpte2086.displayPrimaryRed.x != rhs.smpte2086.displayPrimaryRed.x ||
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smpte2086.displayPrimaryRed.y != rhs.smpte2086.displayPrimaryRed.y ||
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smpte2086.displayPrimaryGreen.x != rhs.smpte2086.displayPrimaryGreen.x ||
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smpte2086.displayPrimaryGreen.y != rhs.smpte2086.displayPrimaryGreen.y ||
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smpte2086.displayPrimaryBlue.x != rhs.smpte2086.displayPrimaryBlue.x ||
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smpte2086.displayPrimaryBlue.y != rhs.smpte2086.displayPrimaryBlue.y ||
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smpte2086.whitePoint.x != rhs.smpte2086.whitePoint.x ||
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smpte2086.whitePoint.y != rhs.smpte2086.whitePoint.y ||
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smpte2086.maxLuminance != rhs.smpte2086.maxLuminance ||
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smpte2086.minLuminance != rhs.smpte2086.minLuminance) {
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return false;
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}
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}
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if ((validTypes & CTA861_3) == CTA861_3) {
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if (cta8613.maxFrameAverageLightLevel != rhs.cta8613.maxFrameAverageLightLevel ||
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cta8613.maxContentLightLevel != rhs.cta8613.maxContentLightLevel) {
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return false;
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}
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}
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if ((validTypes & HDR10PLUS) == HDR10PLUS) {
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if (hdr10plus != rhs.hdr10plus) return false;
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}
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return true;
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}
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} // namespace android
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