1*4d7e907cSAndroid Build Coastguard Worker /* 2*4d7e907cSAndroid Build Coastguard Worker * Copyright (C) 2016 The Android Open Source Project 3*4d7e907cSAndroid Build Coastguard Worker * 4*4d7e907cSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*4d7e907cSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*4d7e907cSAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*4d7e907cSAndroid Build Coastguard Worker * 8*4d7e907cSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*4d7e907cSAndroid Build Coastguard Worker * 10*4d7e907cSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*4d7e907cSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*4d7e907cSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*4d7e907cSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*4d7e907cSAndroid Build Coastguard Worker * limitations under the License. 15*4d7e907cSAndroid Build Coastguard Worker */ 16*4d7e907cSAndroid Build Coastguard Worker 17*4d7e907cSAndroid Build Coastguard Worker #ifndef CAMERA_COMMON_1_0_CAMERAMODULE_H 18*4d7e907cSAndroid Build Coastguard Worker #define CAMERA_COMMON_1_0_CAMERAMODULE_H 19*4d7e907cSAndroid Build Coastguard Worker 20*4d7e907cSAndroid Build Coastguard Worker #include <string> 21*4d7e907cSAndroid Build Coastguard Worker #include <unordered_set> 22*4d7e907cSAndroid Build Coastguard Worker 23*4d7e907cSAndroid Build Coastguard Worker #include <hardware/camera.h> 24*4d7e907cSAndroid Build Coastguard Worker #include <utils/KeyedVector.h> 25*4d7e907cSAndroid Build Coastguard Worker #include <utils/Mutex.h> 26*4d7e907cSAndroid Build Coastguard Worker #include <utils/RefBase.h> 27*4d7e907cSAndroid Build Coastguard Worker 28*4d7e907cSAndroid Build Coastguard Worker #include "CameraMetadata.h" 29*4d7e907cSAndroid Build Coastguard Worker 30*4d7e907cSAndroid Build Coastguard Worker namespace android { 31*4d7e907cSAndroid Build Coastguard Worker namespace hardware { 32*4d7e907cSAndroid Build Coastguard Worker namespace camera { 33*4d7e907cSAndroid Build Coastguard Worker namespace common { 34*4d7e907cSAndroid Build Coastguard Worker namespace helper { 35*4d7e907cSAndroid Build Coastguard Worker /** 36*4d7e907cSAndroid Build Coastguard Worker * A wrapper class for HAL camera module. 37*4d7e907cSAndroid Build Coastguard Worker * 38*4d7e907cSAndroid Build Coastguard Worker * This class wraps camera_module_t returned from HAL to provide a wrapped 39*4d7e907cSAndroid Build Coastguard Worker * get_camera_info implementation which CameraService generates some 40*4d7e907cSAndroid Build Coastguard Worker * camera characteristics keys defined in newer HAL version on an older HAL. 41*4d7e907cSAndroid Build Coastguard Worker */ 42*4d7e907cSAndroid Build Coastguard Worker class CameraModule : public RefBase { 43*4d7e907cSAndroid Build Coastguard Worker public: 44*4d7e907cSAndroid Build Coastguard Worker explicit CameraModule(camera_module_t* module); 45*4d7e907cSAndroid Build Coastguard Worker virtual ~CameraModule(); 46*4d7e907cSAndroid Build Coastguard Worker 47*4d7e907cSAndroid Build Coastguard Worker // Must be called after construction 48*4d7e907cSAndroid Build Coastguard Worker // Returns OK on success, NO_INIT on failure 49*4d7e907cSAndroid Build Coastguard Worker int init(); 50*4d7e907cSAndroid Build Coastguard Worker 51*4d7e907cSAndroid Build Coastguard Worker int getCameraInfo(int cameraId, struct camera_info* info); 52*4d7e907cSAndroid Build Coastguard Worker int getDeviceVersion(int cameraId); 53*4d7e907cSAndroid Build Coastguard Worker int getNumberOfCameras(void); 54*4d7e907cSAndroid Build Coastguard Worker int open(const char* id, struct hw_device_t** device); 55*4d7e907cSAndroid Build Coastguard Worker bool isOpenLegacyDefined() const; 56*4d7e907cSAndroid Build Coastguard Worker int openLegacy(const char* id, uint32_t halVersion, struct hw_device_t** device); 57*4d7e907cSAndroid Build Coastguard Worker int setCallbacks(const camera_module_callbacks_t* callbacks); 58*4d7e907cSAndroid Build Coastguard Worker bool isVendorTagDefined() const; 59*4d7e907cSAndroid Build Coastguard Worker void getVendorTagOps(vendor_tag_ops_t* ops); 60*4d7e907cSAndroid Build Coastguard Worker bool isSetTorchModeSupported() const; 61*4d7e907cSAndroid Build Coastguard Worker int setTorchMode(const char* camera_id, bool enable); 62*4d7e907cSAndroid Build Coastguard Worker uint16_t getModuleApiVersion() const; 63*4d7e907cSAndroid Build Coastguard Worker const char* getModuleName() const; 64*4d7e907cSAndroid Build Coastguard Worker uint16_t getHalApiVersion() const; 65*4d7e907cSAndroid Build Coastguard Worker const char* getModuleAuthor() const; 66*4d7e907cSAndroid Build Coastguard Worker // Only used by CameraModuleFixture native test. Do NOT use elsewhere. 67*4d7e907cSAndroid Build Coastguard Worker void* getDso(); 68*4d7e907cSAndroid Build Coastguard Worker // Only used by CameraProvider 69*4d7e907cSAndroid Build Coastguard Worker void removeCamera(int cameraId); 70*4d7e907cSAndroid Build Coastguard Worker int getPhysicalCameraInfo(int physicalCameraId, camera_metadata_t** physicalInfo); 71*4d7e907cSAndroid Build Coastguard Worker int isStreamCombinationSupported(int cameraId, camera_stream_combination_t* streams); 72*4d7e907cSAndroid Build Coastguard Worker void notifyDeviceStateChange(uint64_t deviceState); 73*4d7e907cSAndroid Build Coastguard Worker 74*4d7e907cSAndroid Build Coastguard Worker static bool isLogicalMultiCamera(const common::helper::CameraMetadata& metadata, 75*4d7e907cSAndroid Build Coastguard Worker std::unordered_set<std::string>* physicalCameraIds); 76*4d7e907cSAndroid Build Coastguard Worker 77*4d7e907cSAndroid Build Coastguard Worker private: 78*4d7e907cSAndroid Build Coastguard Worker // Derive camera characteristics keys defined after HAL device version 79*4d7e907cSAndroid Build Coastguard Worker static void deriveCameraCharacteristicsKeys(uint32_t deviceVersion, CameraMetadata& chars); 80*4d7e907cSAndroid Build Coastguard Worker // Helper function to append available[request|result|chars]Keys 81*4d7e907cSAndroid Build Coastguard Worker static void appendAvailableKeys(CameraMetadata& chars, int32_t keyTag, 82*4d7e907cSAndroid Build Coastguard Worker const Vector<int32_t>& appendKeys); 83*4d7e907cSAndroid Build Coastguard Worker status_t filterOpenErrorCode(status_t err); 84*4d7e907cSAndroid Build Coastguard Worker camera_module_t* mModule; 85*4d7e907cSAndroid Build Coastguard Worker int mNumberOfCameras; 86*4d7e907cSAndroid Build Coastguard Worker KeyedVector<int, camera_info> mCameraInfoMap; 87*4d7e907cSAndroid Build Coastguard Worker KeyedVector<int, int> mDeviceVersionMap; 88*4d7e907cSAndroid Build Coastguard Worker KeyedVector<int, camera_metadata_t*> mPhysicalCameraInfoMap; 89*4d7e907cSAndroid Build Coastguard Worker Mutex mCameraInfoLock; 90*4d7e907cSAndroid Build Coastguard Worker }; 91*4d7e907cSAndroid Build Coastguard Worker 92*4d7e907cSAndroid Build Coastguard Worker } // namespace helper 93*4d7e907cSAndroid Build Coastguard Worker 94*4d7e907cSAndroid Build Coastguard Worker // NOTE: Deprecated namespace. This namespace should no longer be used for the following symbols 95*4d7e907cSAndroid Build Coastguard Worker namespace V1_0::helper { 96*4d7e907cSAndroid Build Coastguard Worker // Export symbols to the old namespace to preserve compatibility 97*4d7e907cSAndroid Build Coastguard Worker typedef android::hardware::camera::common::helper::CameraModule CameraModule; 98*4d7e907cSAndroid Build Coastguard Worker } // namespace V1_0::helper 99*4d7e907cSAndroid Build Coastguard Worker 100*4d7e907cSAndroid Build Coastguard Worker } // namespace common 101*4d7e907cSAndroid Build Coastguard Worker } // namespace camera 102*4d7e907cSAndroid Build Coastguard Worker } // namespace hardware 103*4d7e907cSAndroid Build Coastguard Worker } // namespace android 104*4d7e907cSAndroid Build Coastguard Worker 105*4d7e907cSAndroid Build Coastguard Worker #endif 106