You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

99 lines
4.0 KiB

/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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.
*/
package android.frameworks.cameraservice.service@2.0;
import android.frameworks.cameraservice.device@2.0::CameraMetadata;
import android.frameworks.cameraservice.device@2.0::ICameraDeviceUser;
import android.frameworks.cameraservice.device@2.0::ICameraDeviceCallback;
import android.frameworks.cameraservice.common@2.0::Status;
import android.frameworks.cameraservice.common@2.0::ProviderIdAndVendorTagSections;
import ICameraServiceListener;
interface ICameraService {
/**
* connectDevice
*
* Return an ICameraDeviceUser interface for the requested cameraId.
*
* Note: The client must have camera permissions to call this method
* successfully.
*
* @param callback the ICameraDeviceCallback interface which will get called
* the cameraserver when capture is started, results are received
* etc.
* @param cameraId the cameraId of the camera device to connect to.
*
* @return status Status code of the operation.
* @return device ICameraDeviceUser interface to the camera device requested.
*/
connectDevice(ICameraDeviceCallback callback, string cameraId)
generates (Status status, ICameraDeviceUser device);
/**
* Add listener for changes to camera device status.
*
* Also returns the set of currently-known camera IDs and state of each
* device. Adding multiple listeners must result in the callbacks defined by
* ICameraServiceListener being called on all of them, on change of device
* status.
*
* @param listener the listener interface to be added. The cameraserver will
* call callbacks on this interface when a camera device's status
* changes.
* @return status Status code of the operation
* @return statuses a list of CameraStatusAndIds which store the deviceIds
* and their corresponding statuses.
*/
addListener(ICameraServiceListener listener)
generates (Status status, vec<CameraStatusAndId> statuses);
/**
* Remove listener for changes to camera device status.
*
* @param listener the listener to be removed from receiving callbacks on
* changes to device state.
* @return status Status code of the operation.
*/
removeListener(ICameraServiceListener listener) generates (Status status);
/**
* Read the static camera metadata for a camera device.
* @param cameraId the camera id of the camera device, whose metadata is
* being requested.
* @return status the status code of the operation
* @return metadata the static metadata of the camera device requested.
*/
getCameraCharacteristics(string cameraId)
generates (Status status, CameraMetadata metadata);
/**
* Read in the provider ids and corresponding vendor tag sections from the camera server.
* Intended to be used by the native code of CameraMetadata to correctly
* interpret camera metadata with vendor tags.
*
* Note: VendorTag caches may be created in process, by clients. A HIDL api
* is not provided for this.
*
* @return status the status code of the operation.
* @return providerIdAndVendorTagSections the list of provider ids and corresponding
* vendor tag sections.
*/
getCameraVendorTagSections()
generates (Status status,
vec<ProviderIdAndVendorTagSections> providerIdAndVendorTagSections);
};