1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_DCAMERA_HANDLER_H 17 #define OHOS_DCAMERA_HANDLER_H 18 19 #include "ihardware_handler.h" 20 21 #include <set> 22 23 #include "camera_info.h" 24 #include "camera_input.h" 25 #include "camera_manager.h" 26 #include "json/json.h" 27 #include "single_instance.h" 28 #include "types.h" 29 30 namespace OHOS { 31 namespace DistributedHardware { 32 struct ConfigInfo { 33 DCStreamType type; 34 std::string formatKey; 35 sptr<CameraStandard::CameraInput> cameraInput; 36 }; 37 38 class DCameraHandler : public IHardwareHandler { 39 DECLARE_SINGLE_INSTANCE_BASE(DCameraHandler); 40 public: 41 int32_t Initialize() override; 42 std::vector<DHItem> Query() override; 43 std::map<std::string, std::string> QueryExtraInfo() override; 44 bool IsSupportPlugin() override; 45 void RegisterPluginListener(std::shared_ptr<PluginListener> listener) override; 46 47 std::vector<std::string> GetCameras(); 48 49 private: 50 DCameraHandler() = default; 51 ~DCameraHandler(); 52 53 private: 54 DHItem CreateDHItem(sptr<CameraStandard::CameraInfo>& info); 55 std::string GetCameraPosition(camera_position_enum_t position); 56 void ConfigFormatAndResolution(ConfigInfo& info, Json::Value& outputFormat, Json::Value& resolution, 57 std::vector<camera_format_t>& formatList, std::set<camera_format_t>& formatSet); 58 bool IsValid(DCStreamType type, CameraStandard::CameraPicSize& size); 59 60 sptr<CameraStandard::CameraManager> cameraManager_; 61 std::shared_ptr<PluginListener> pluginListener_; 62 }; 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 __attribute__((visibility("default"))) IHardwareHandler* GetHardwareHandler(); 68 #ifdef __cplusplus 69 } 70 #endif 71 } // namespace DistributedHardware 72 } // namespace OHOS 73 #endif // OHOS_DCAMERA_HANDLER_H