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/* 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/base/class.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:
LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraHalManager)
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__ */
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