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99 lines
4.0 KiB
99 lines
4.0 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.frameworks.cameraservice.service@2.0;
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import android.frameworks.cameraservice.device@2.0::CameraMetadata;
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import android.frameworks.cameraservice.device@2.0::ICameraDeviceUser;
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import android.frameworks.cameraservice.device@2.0::ICameraDeviceCallback;
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import android.frameworks.cameraservice.common@2.0::Status;
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import android.frameworks.cameraservice.common@2.0::ProviderIdAndVendorTagSections;
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import ICameraServiceListener;
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interface ICameraService {
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/**
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* connectDevice
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*
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* Return an ICameraDeviceUser interface for the requested cameraId.
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*
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* Note: The client must have camera permissions to call this method
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* successfully.
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*
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* @param callback the ICameraDeviceCallback interface which will get called
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* the cameraserver when capture is started, results are received
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* etc.
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* @param cameraId the cameraId of the camera device to connect to.
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*
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* @return status Status code of the operation.
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* @return device ICameraDeviceUser interface to the camera device requested.
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*/
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connectDevice(ICameraDeviceCallback callback, string cameraId)
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generates (Status status, ICameraDeviceUser device);
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/**
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* Add listener for changes to camera device status.
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*
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* Also returns the set of currently-known camera IDs and state of each
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* device. Adding multiple listeners must result in the callbacks defined by
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* ICameraServiceListener being called on all of them, on change of device
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* status.
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*
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* @param listener the listener interface to be added. The cameraserver will
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* call callbacks on this interface when a camera device's status
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* changes.
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* @return status Status code of the operation
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* @return statuses a list of CameraStatusAndIds which store the deviceIds
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* and their corresponding statuses.
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*/
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addListener(ICameraServiceListener listener)
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generates (Status status, vec<CameraStatusAndId> statuses);
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/**
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* Remove listener for changes to camera device status.
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*
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* @param listener the listener to be removed from receiving callbacks on
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* changes to device state.
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* @return status Status code of the operation.
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*/
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removeListener(ICameraServiceListener listener) generates (Status status);
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/**
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* Read the static camera metadata for a camera device.
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* @param cameraId the camera id of the camera device, whose metadata is
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* being requested.
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* @return status the status code of the operation
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* @return metadata the static metadata of the camera device requested.
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*/
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getCameraCharacteristics(string cameraId)
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generates (Status status, CameraMetadata metadata);
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/**
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* Read in the provider ids and corresponding vendor tag sections from the camera server.
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* Intended to be used by the native code of CameraMetadata to correctly
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* interpret camera metadata with vendor tags.
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*
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* Note: VendorTag caches may be created in process, by clients. A HIDL api
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* is not provided for this.
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*
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* @return status the status code of the operation.
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* @return providerIdAndVendorTagSections the list of provider ids and corresponding
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* vendor tag sections.
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*/
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getCameraVendorTagSections()
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generates (Status status,
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vec<ProviderIdAndVendorTagSections> providerIdAndVendorTagSections);
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};
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