/* * Copyright (c) 2024 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file icamera_host.h * * @brief Management class of the camera service that provides Hardware Driver Interfaces (HDIs) for the upper layer. * * @since 5.0 * @version 1.3 */ package ohos.hdi.camera.v1_3; import ohos.hdi.camera.v1_2.ICameraHost; import ohos.hdi.camera.v1_3.ICameraDevice; import ohos.hdi.camera.v1_0.ICameraDeviceCallback; import ohos.hdi.camera.v1_3.Types; interface ICameraHost extends ohos.hdi.camera.v1_2.ICameraHost { /** * @brief Opens a camera device. * * By calling this function, you can obtain the ICameraDevice instance and operate the * specific camera device mapping to the instance. * * @param cameraId Indicates the ID of the camera device, which can be obtained by calling {@link GetCameraIds}. * @param callback Indicates the callback related to the camera. For details, see {@link ICameraDeviceCallback}. * @param device Indicates the ICameraDevice instance corresponding to the ID of the camera device. * * @return Returns NO_ERROR if the operation is successful; returns an error code defined * in {@link CamRetCode} otherwise. * * @since 5.0 * @version 1.3 */ OpenCamera_V1_3([in] String cameraId, [in] ICameraDeviceCallback callbackObj, [out] ICameraDevice device); /** * @brief Opens a camera device in secure mode. * * By calling this function, you can obtain the ICameraDevice instance and operate the * specific camera device mapping to the instance. * * @param cameraId Indicates the ID of the camera device, which can be obtained by calling {@link GetCameraIds}. * @param callback Indicates the callback related to the camera. For details, see {@link ICameraDeviceCallback}. * @param device Indicates the ICameraDevice instance corresponding to the ID of the camera device. * * @return Returns NO_ERROR if the operation is successful; returns an error code defined * in {@link CamRetCode} otherwise. * * @since 5.0 * @version 1.0 */ OpenSecureCamera([in] String cameraId, [in] ICameraDeviceCallback callbackObj, [out] ICameraDevice device); /** * @brief Obtain the resource cost of opening the camera on the camera device through cameraHost * * @param resourceCost Indicates open the resource cost of the camera device * @param cameraId Indicates the ID of the camera device, which can be obtained by calling {@link GetCameraIds}. * * @return Returns NO_ERROR if the operation is successful; returns an error code defined * in {@link CamRetCode} otherwise. * * @since 5.0 * @version 1.0 */ GetResourceCost([in] String cameraId, [out] CameraDeviceResourceCost resourceCost); }