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