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#ifndef __HAL_CAMERA_FACTORY_H__
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#define __HAL_CAMERA_FACTORY_H__
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#include <hardware/camera.h>
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#include "CCameraConfig.h"
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#ifdef SUPPORT_NEW_DRIVER
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#include "CameraHardware2.h"
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#else
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#include "CameraHardware.h"
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#endif
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namespace android {
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#if defined(__T7__)
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#define MAX_NUM_OF_CAMERAS 5
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#else
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#define MAX_NUM_OF_CAMERAS 2
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#endif
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/*
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* Contains declaration of a class HALCameraFactory that manages cameras
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* available. A global instance of this class is statically
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* instantiated and initialized when camera emulation HAL is loaded.
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*/
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class HALCameraFactory {
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public:
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/* Constructs HALCameraFactory instance.
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* In this constructor the factory will create and initialize a list of
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* V4L2Cameras. All errors that occur on this constructor are reported
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* via mConstructedOK data member of this class.
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*/
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HALCameraFactory();
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/* Destructs HALCameraFactory instance. */
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~HALCameraFactory();
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/****************************************************************************
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* Camera HAL API handlers.
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***************************************************************************/
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public:
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/* Opens (connects to) a camera device.
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* This method is called in response to hw_module_methods_t::open callback.
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*/
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int cameraDeviceOpen(int camera_id, hw_device_t** device);
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/* Gets V4L2Camera information.
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* This method is called in response to camera_module_t::get_camera_info callback.
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*/
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int getCameraInfo(int camera_id, struct camera_info *info);
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/****************************************************************************
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* Camera HAL API callbacks.
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***************************************************************************/
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public:
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/* camera_module_t::get_number_of_cameras callback entry point. */
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static int get_number_of_cameras(void);
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/* camera_module_t::get_camera_info callback entry point. */
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static int get_camera_info(int camera_id, struct camera_info *info);
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private:
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/* hw_module_methods_t::open callback entry point. */
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static int device_open(const hw_module_t* module,
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const char* name,
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hw_device_t** device);
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/****************************************************************************
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* Public API.
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***************************************************************************/
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public:
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/* Gets number of V4L2Cameras.
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*/
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int getCameraHardwareNum();
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/* Checks whether or not the constructor has succeeded.
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*/
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bool isConstructedOK() const {
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return mConstructedOK;
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}
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/****************************************************************************
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* Data members.
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***************************************************************************/
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private:
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/* Array of cameras available for the emulation. */
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CameraHardware** mHardwareCameras;
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/* Number of attached Cameras, do not include usb cameras. */
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int mAttachedCamerasNum;
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/* Number of removable Cameras, such as usb cameras. */
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int mRemovableCamerasNum;
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/* Flags whether or not constructor has succeeded. */
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bool mConstructedOK;
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// Camera Config information
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CCameraConfig * mCameraConfig[MAX_NUM_OF_CAMERAS];
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public:
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/* Contains device open entry point, as required by HAL API. */
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static struct hw_module_methods_t mCameraModuleMethods;
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public:
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HALCameraInfo mHalCameraInfo[MAX_NUM_OF_CAMERAS];
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};
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}; /* namespace android */
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/* References the global HALCameraFactory instance. */
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extern android::HALCameraFactory gEmulatedCameraFactory;
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#endif /* __HAL_CAMERA_FACTORY_H__ */
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