android13/packages/services/Car/cpp/evs/manager/1.1/Enumerator.h

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/*
* Copyright (C) 2019 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.
*/
#ifndef CPP_EVS_MANAGER_1_1_ENUMERATOR_H_
#define CPP_EVS_MANAGER_1_1_ENUMERATOR_H_
#include "HalCamera.h"
#include "IEnumeratorManager.h"
#include "IPermissionsChecker.h"
#include "ServiceFactory.h"
#include "VirtualCamera.h"
#include "emul/EvsEmulatedCamera.h"
#include "stats/IStatsCollector.h"
#include "stats/StatsCollector.h"
#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
#include <android/hardware/automotive/evs/1.1/IEvsEnumerator.h>
#include <android/hardware/camera/device/3.2/ICameraDevice.h>
#include <system/camera_metadata.h>
#include <list>
#include <memory>
#include <unordered_map>
#include <unordered_set>
namespace android::automotive::evs::V1_1::implementation {
// Passthrough to remove static cling and allow for mocking.
class ProdServiceFactory : public ServiceFactory {
public:
explicit ProdServiceFactory(const char* hardwareServiceName) :
mService(IEvsEnumerator::getService(hardwareServiceName)) {}
virtual ~ProdServiceFactory() = default;
::android::hardware::automotive::evs::V1_1::IEvsEnumerator* getService() override {
return mService.get();
}
private:
sp<::android::hardware::automotive::evs::V1_1::IEvsEnumerator> mService;
};
class Enumerator : public IEvsEnumerator {
public:
// For testing.
explicit Enumerator(std::unique_ptr<ServiceFactory> serviceFactory,
std::unique_ptr<IStatsCollector> statsCollector,
std::unique_ptr<IPermissionsChecker> permissionChecker);
static std::unique_ptr<Enumerator> build(const char* hardwareServiceName);
static std::unique_ptr<Enumerator> build(
std::unique_ptr<ServiceFactory> serviceFactory,
std::unique_ptr<IStatsCollector> statsCollector,
std::unique_ptr<IPermissionsChecker> permissionChecker);
virtual ~Enumerator() = default;
// Methods from hardware::automotive::evs::V1_0::IEvsEnumerator follow.
hardware::Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
hardware::Return<sp<hardware::automotive::evs::V1_0::IEvsCamera>> openCamera(
const hardware::hidl_string& cameraId) override;
hardware::Return<void> closeCamera(
const ::android::sp<hardware::automotive::evs::V1_0::IEvsCamera>& virtualCamera)
override;
hardware::Return<sp<hardware::automotive::evs::V1_0::IEvsDisplay>> openDisplay() override;
hardware::Return<void> closeDisplay(
const ::android::sp<hardware::automotive::evs::V1_0::IEvsDisplay>& display) override;
hardware::Return<hardware::automotive::evs::V1_0::DisplayState> getDisplayState() override;
// Methods from hardware::automotive::evs::V1_1::IEvsEnumerator follow.
hardware::Return<void> getCameraList_1_1(getCameraList_1_1_cb _hidl_cb) override;
hardware::Return<sp<hardware::automotive::evs::V1_1::IEvsCamera>> openCamera_1_1(
const hardware::hidl_string& cameraId,
const hardware::camera::device::V3_2::Stream& streamCfg) override;
hardware::Return<bool> isHardware() override { return false; }
hardware::Return<void> getDisplayIdList(getDisplayIdList_cb _list_cb) override;
hardware::Return<sp<hardware::automotive::evs::V1_1::IEvsDisplay>> openDisplay_1_1(
uint8_t id) override;
hardware::Return<void> getUltrasonicsArrayList(getUltrasonicsArrayList_cb _hidl_cb) override;
hardware::Return<sp<IEvsUltrasonicsArray>> openUltrasonicsArray(
const hardware::hidl_string& ultrasonicsArrayId) override;
hardware::Return<void> closeUltrasonicsArray(
const ::android::sp<IEvsUltrasonicsArray>& evsUltrasonicsArray) override;
// Methods from ::android.hidl.base::V1_0::IBase follow.
hardware::Return<void> debug(const hardware::hidl_handle& fd,
const hidl_vec<hardware::hidl_string>& options) override;
private:
bool isLogicalCamera(const camera_metadata_t* metadata);
std::unordered_set<std::string> getPhysicalCameraIds(const std::string& id);
const std::unique_ptr<ServiceFactory> mServiceFactory;
const std::unique_ptr<IStatsCollector> mStatsCollector;
const std::unique_ptr<IPermissionsChecker> mPermissionChecker;
wp<hardware::automotive::evs::V1_0::IEvsDisplay> mActiveDisplay;
// List of active camera proxy objects that wrap hw cameras
std::unordered_map<std::string, sp<HalCamera>> mActiveCameras;
// List of camera descriptors of enumerated hw cameras
std::unordered_map<std::string, CameraDesc> mCameraDevices;
// List of available physical display devices
std::list<uint8_t> mDisplayPorts;
// Display port the internal display is connected to.
uint8_t mInternalDisplayPort;
// Boolean flag to tell whether the camera usages are being monitored or not.
bool mMonitorEnabled = false;
// Boolean flag to tell whether EvsDisplay is owned exclusively or not.
bool mDisplayOwnedExclusively = false;
// LSHAL dump
void cmdDump(int fd, const hidl_vec<hardware::hidl_string>& options);
void cmdHelp(int fd);
void cmdList(int fd, const hidl_vec<hardware::hidl_string>& options);
void cmdDumpDevice(int fd, const hidl_vec<hardware::hidl_string>& options);
// List of emulated camera devices
std::unordered_map<std::string, EmulatedCameraDesc> mEmulatedCameraDevices;
// LSHAL command to use emulated camera device
void cmdConfigureEmulatedCamera(int fd, const hidl_vec<hardware::hidl_string>& options);
};
} // namespace android::automotive::evs::V1_1::implementation
#endif // CPP_EVS_MANAGER_1_1_ENUMERATOR_H_