1 /* 2 * Copyright (C) 2022 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 #ifndef HARDWARE_GOOGLE_CAMERA_HAL_AIDL_SERVICE_AIDL_CAMERA_DEVICE_H_ 18 #define HARDWARE_GOOGLE_CAMERA_HAL_AIDL_SERVICE_AIDL_CAMERA_DEVICE_H_ 19 20 #include <aidl/android/hardware/camera/device/BnCameraDevice.h> 21 #include <aidl/android/hardware/camera/device/ICameraDeviceCallback.h> 22 23 #include "aidl_profiler.h" 24 #include "camera_device.h" 25 26 namespace android { 27 namespace hardware { 28 namespace camera { 29 namespace device { 30 namespace implementation { 31 32 using aidl::android::hardware::camera::common::CameraResourceCost; 33 using aidl::android::hardware::camera::device::BnCameraDevice; 34 using aidl::android::hardware::camera::device::CameraMetadata; 35 using aidl::android::hardware::camera::device::ICameraDevice; 36 using aidl::android::hardware::camera::device::ICameraDeviceCallback; 37 using aidl::android::hardware::camera::device::ICameraDeviceSession; 38 using aidl::android::hardware::camera::device::ICameraInjectionSession; 39 using aidl::android::hardware::camera::device::StreamConfiguration; 40 using ::android::hardware::camera::implementation::AidlProfiler; 41 using ndk::ScopedAStatus; 42 using ndk::ScopedFileDescriptor; 43 44 using ::android::google_camera_hal::CameraDevice; 45 46 // AidlCameraDevice implements the AIDL camera device interface, ICameraDevice, 47 // using Google Camera HAL to provide information about the associated camera 48 // device. 49 class AidlCameraDevice : public BnCameraDevice { 50 public: 51 static const std::string kDeviceVersion; 52 53 // Create a AidlCameraDevice. 54 // google_camera_device is a google camera device that AidlCameraDevice 55 // is going to manage. Creating a AidlCameraDevice will fail if 56 // google_camera_device is nullptr. 57 static std::shared_ptr<AidlCameraDevice> Create( 58 std::unique_ptr<CameraDevice> google_camera_device); 59 virtual ~AidlCameraDevice() = default; 60 61 binder_status_t dump(int fd, const char**, uint32_t) override; 62 63 // Override functions in ICameraDevice 64 ScopedAStatus getCameraCharacteristics( 65 CameraMetadata* characteristics) override; 66 67 ScopedAStatus getPhysicalCameraCharacteristics( 68 const std::string& in_physicalCameraId, 69 CameraMetadata* characteristics) override; 70 71 ScopedAStatus getResourceCost(CameraResourceCost* resource_cost) override; 72 73 ScopedAStatus isStreamCombinationSupported( 74 const StreamConfiguration& in_streams, bool* supported) override; 75 76 ScopedAStatus open(const std::shared_ptr<ICameraDeviceCallback>& in_callback, 77 std::shared_ptr<ICameraDeviceSession>* session) override; 78 79 ScopedAStatus openInjectionSession( 80 const std::shared_ptr<ICameraDeviceCallback>& in_callback, 81 std::shared_ptr<ICameraInjectionSession>* session) override; 82 83 ScopedAStatus setTorchMode(bool on) override; 84 85 ScopedAStatus turnOnTorchWithStrengthLevel(int32_t torchStrength) override; 86 87 ScopedAStatus getTorchStrengthLevel(int32_t* strength_level) override; 88 89 // End of override functions in ICameraDevice 90 AidlCameraDevice() = default; 91 92 private: 93 status_t Initialize(std::unique_ptr<CameraDevice> google_camera_device); 94 95 std::unique_ptr<CameraDevice> google_camera_device_; 96 uint32_t camera_id_ = 0; 97 std::shared_ptr<AidlProfiler> aidl_profiler_; 98 }; 99 100 } // namespace implementation 101 } // namespace device 102 } // namespace camera 103 } // namespace hardware 104 } // namespace android 105 106 #endif // HARDWARE_GOOGLE_CAMERA_HAL_AIDL_SERVICE_AIDL_CAMERA_DEVICE_H_ 107