80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (C) 2023 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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#pragma once
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#include <optional>
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#include <type_traits>
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#include <unordered_map>
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#include <vector>
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#include <aidl/android/hardware/camera/device/CameraMetadata.h>
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namespace android {
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namespace hardware {
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namespace camera {
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namespace provider {
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namespace implementation {
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using aidl::android::hardware::camera::device::CameraMetadata;
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struct CameraMetadataValue {
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std::vector<uint8_t> data;
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unsigned count = 0;
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template <class T> CameraMetadataValue& operator=(const T& v) {
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static_assert(std::is_trivial<T>::value);
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const uint8_t* v8 = reinterpret_cast<const uint8_t*>(&v);
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data.assign(v8, v8 + sizeof(v));
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count = 1;
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return *this;
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}
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template <class T, size_t N> CameraMetadataValue& operator=(const T (&a)[N]) {
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static_assert(std::is_trivial<T>::value);
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const uint8_t* v8 = reinterpret_cast<const uint8_t*>(&a[0]);
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data.assign(v8, v8 + sizeof(a));
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count = N;
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return *this;
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}
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template <class T> CameraMetadataValue& add(const T& v) {
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static_assert(std::is_trivial<T>::value);
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const uint8_t* v8 = reinterpret_cast<const uint8_t*>(&v);
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data.insert(data.end(), v8, v8 + sizeof(v));
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++count;
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return *this;
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}
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};
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using CameraMetadataMap = std::unordered_map<uint32_t, CameraMetadataValue>;
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CameraMetadata metadataCompact(const CameraMetadata&);
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std::optional<CameraMetadata> serializeCameraMetadataMap(const CameraMetadataMap& m);
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CameraMetadataMap parseCameraMetadataMap(const CameraMetadata& m);
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void metadataSetShutterTimestamp(CameraMetadata* metadata, int64_t shutterTimestampNs);
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void prettyPrintCameraMetadata(const CameraMetadata&);
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} // namespace implementation
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} // namespace provider
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} // namespace camera
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} // namespace hardware
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} // namespace android
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