1 /* 2 * Copyright 2016 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 // Modified from hardware/libhardware/modules/camera/CameraHAL.h 18 19 #ifndef V4L2_CAMERA_HAL_V4L2_CAMERA_HAL_H_ 20 #define V4L2_CAMERA_HAL_V4L2_CAMERA_HAL_H_ 21 22 #include <vector> 23 24 #include <hardware/camera_common.h> 25 #include <hardware/hardware.h> 26 27 #include "camera.h" 28 #include "common.h" 29 30 namespace v4l2_camera_hal { 31 /* 32 * V4L2CameraHAL contains all module state that isn't specific to an 33 * individual camera device. This class is based off of the sample 34 * default CameraHAL from /hardware/libhardware/modules/camera. 35 */ 36 class V4L2CameraHAL { 37 public: 38 V4L2CameraHAL(); 39 ~V4L2CameraHAL(); 40 41 // Camera Module Interface (see <hardware/camera_common.h>). 42 int getNumberOfCameras(); 43 int getCameraInfo(int camera_id, camera_info_t* info); 44 int setCallbacks(const camera_module_callbacks_t* callbacks); 45 void getVendorTagOps(vendor_tag_ops_t* ops); 46 int openLegacy(const hw_module_t* module, 47 const char* id, 48 uint32_t halVersion, 49 hw_device_t** device); 50 int setTorchMode(const char* camera_id, bool enabled); 51 52 // Hardware Module Interface (see <hardware/hardware.h>). 53 int openDevice(const hw_module_t* mod, const char* name, hw_device_t** dev); 54 55 private: 56 // Vector of cameras. 57 std::vector<std::unique_ptr<default_camera_hal::Camera>> mCameras; 58 // Callback handle. 59 const camera_module_callbacks_t* mCallbacks; 60 61 DISALLOW_COPY_AND_ASSIGN(V4L2CameraHAL); 62 }; 63 64 } // namespace v4l2_camera_hal 65 66 extern camera_module_t HAL_MODULE_INFO_SYM; 67 68 #endif // V4L2_CAMERA_HAL_V4L2_CAMERA_HAL_H_ 69
