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