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_PROVIDER_H_ 18 #define HARDWARE_GOOGLE_CAMERA_HAL_AIDL_SERVICE_AIDL_CAMERA_PROVIDER_H_ 19 20 #include <aidl/android/hardware/camera/provider/BnCameraProvider.h> 21 #include <aidl/android/hardware/camera/provider/ICameraProviderCallback.h> 22 23 #include <regex> 24 #include <string> 25 #ifdef __ANDROID_APEX__ 26 #include <unordered_set> 27 #endif 28 29 #include "camera_provider.h" 30 31 namespace android { 32 namespace hardware { 33 namespace camera { 34 namespace provider { 35 namespace implementation { 36 37 using aidl::android::hardware::camera::common::VendorTagSection; 38 using aidl::android::hardware::camera::device::ICameraDevice; 39 using aidl::android::hardware::camera::provider::BnCameraProvider; 40 using aidl::android::hardware::camera::provider::CameraIdAndStreamCombination; 41 using aidl::android::hardware::camera::provider::ConcurrentCameraIdCombination; 42 using aidl::android::hardware::camera::provider::ICameraProviderCallback; 43 44 using ::android::google_camera_hal::CameraProvider; 45 using ndk::ScopedAStatus; 46 47 // AidlCameraProvider implements the AIDL camera provider interface, 48 // ICameraProvider, to enumerate the available individual camera devices 49 // in the system, and provide updates about changes to device status. 50 class AidlCameraProvider : public BnCameraProvider { 51 public: 52 static const std::string kProviderName; 53 static std::shared_ptr<AidlCameraProvider> Create(); 54 virtual ~AidlCameraProvider() = default; 55 56 // Override functions in ICameraProvider. 57 58 ScopedAStatus setCallback( 59 const std::shared_ptr<ICameraProviderCallback>& callback) override; 60 61 ScopedAStatus getVendorTags(std::vector<VendorTagSection>* vts) override; 62 63 ScopedAStatus getCameraIdList(std::vector<std::string>* camera_ids) override; 64 65 ScopedAStatus getCameraDeviceInterface( 66 const std::string& in_cameraDeviceName, 67 std::shared_ptr<ICameraDevice>* device) override; 68 69 ScopedAStatus notifyDeviceStateChange(int64_t in_deviceState) override; 70 71 ScopedAStatus getConcurrentCameraIds( 72 std::vector<ConcurrentCameraIdCombination>* concurrent_camera_ids) override; 73 74 ScopedAStatus isConcurrentStreamCombinationSupported( 75 const std::vector<CameraIdAndStreamCombination>& in_configs, 76 bool* support) override; 77 78 // End of override functions in ICameraProvider. 79 AidlCameraProvider() = default; 80 81 private: 82 static const std::regex kDeviceNameRegex; 83 84 status_t Initialize(); 85 86 // Parse device version and camera ID. 87 bool ParseDeviceName(const std::string& device_name, 88 std::string* device_version, std::string* camera_id); 89 90 std::mutex callbacks_lock_; 91 std::shared_ptr<ICameraProviderCallback> callbacks_; 92 93 std::unique_ptr<CameraProvider> google_camera_provider_; 94 google_camera_hal::CameraProviderCallback camera_provider_callback_; 95 96 #ifdef __ANDROID_APEX__ 97 std::unordered_set<uint32_t> available_camera_ids_; 98 bool camera_device_initialized_ = false; 99 #endif 100 }; 101 102 } // namespace implementation 103 } // namespace provider 104 } // namespace camera 105 } // namespace hardware 106 } // namespace android 107 108 #endif // HARDWARE_GOOGLE_CAMERA_HAL_AIDL_SERVICE_AIDL_CAMERA_PROVIDER_H_ 109