1 /* 2 * Copyright (C) 2013 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 CAMERA_HAL_H_ 18 #define CAMERA_HAL_H_ 19 20 #include <cutils/bitops.h> 21 #include <hardware/hardware.h> 22 #include <hardware/camera_common.h> 23 #include <system/camera_vendor_tags.h> 24 #include "Camera.h" 25 #include "VendorTags.h" 26 27 namespace default_camera_hal { 28 // CameraHAL contains all module state that isn't specific to an individual 29 // camera device. 30 class CameraHAL { 31 public: 32 CameraHAL(int num_cameras); 33 ~CameraHAL(); 34 35 // Camera Module Interface (see <hardware/camera_common.h>) 36 int getNumberOfCameras(); 37 int getCameraInfo(int camera_id, struct camera_info *info); 38 int setCallbacks(const camera_module_callbacks_t *callbacks); 39 void getVendorTagOps(vendor_tag_ops_t* ops); 40 41 // Hardware Module Interface (see <hardware/hardware.h>) 42 int open(const hw_module_t* mod, const char* name, hw_device_t** dev); 43 44 private: 45 // Number of cameras 46 const int mNumberOfCameras; 47 // Callback handle 48 const camera_module_callbacks_t *mCallbacks; 49 // Array of camera devices, contains mNumberOfCameras device pointers 50 Camera **mCameras; 51 }; 52 } // namespace default_camera_hal 53 54 #endif // CAMERA_HAL_H_ 55