/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2019, Google Inc. * * camera_hal_manager.h - libcamera Android Camera Manager */ #ifndef __ANDROID_CAMERA_MANAGER_H__ #define __ANDROID_CAMERA_MANAGER_H__ #include <map> #include <mutex> #include <stddef.h> #include <tuple> #include <vector> #include <hardware/camera_common.h> #include <hardware/hardware.h> #include <system/camera_metadata.h> #include <libcamera/camera_manager.h> #include "camera_hal_config.h" class CameraDevice; class CameraHalManager { public: ~CameraHalManager(); static CameraHalManager *instance(); int init(); std::tuple<CameraDevice *, int> open(unsigned int id, const hw_module_t *module); unsigned int numCameras() const; int getCameraInfo(unsigned int id, struct camera_info *info); void setCallbacks(const camera_module_callbacks_t *callbacks); private: using Mutex = std::mutex; using MutexLocker = std::unique_lock<std::mutex>; static constexpr unsigned int firstExternalCameraId_ = 1000; CameraHalManager(); static int32_t cameraLocation(const libcamera::Camera *cam); void cameraAdded(std::shared_ptr<libcamera::Camera> cam); void cameraRemoved(std::shared_ptr<libcamera::Camera> cam); CameraDevice *cameraDeviceFromHalId(unsigned int id); std::unique_ptr<libcamera::CameraManager> cameraManager_; CameraHalConfig halConfig_; const camera_module_callbacks_t *callbacks_; std::vector<std::unique_ptr<CameraDevice>> cameras_; std::map<std::string, unsigned int> cameraIdsMap_; Mutex mutex_; unsigned int numInternalCameras_; unsigned int nextExternalCameraId_; }; #endif /* __ANDROID_CAMERA_MANAGER_H__ */