83 lines
2.5 KiB
Java
83 lines
2.5 KiB
Java
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/*
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* Copyright (C) 2023 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.hardware.camera2.extension;
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import android.annotation.FlaggedApi;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.hardware.camera2.CameraCharacteristics;
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import android.hardware.camera2.impl.CameraMetadataNative;
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import com.android.internal.camera.flags.Flags;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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/**
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* Helper class used to forward the current
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* system camera characteristics information.
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*
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* @hide
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*/
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@SystemApi
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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public class CharacteristicsMap {
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private final HashMap<String, CameraCharacteristics> mCharMap;
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/**
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* Initialize a camera characteristics map instance
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*
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* @param charsMap Maps camera ids to respective
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* {@link CameraCharacteristics}
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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CharacteristicsMap(@NonNull Map<String, CameraMetadataNative> charsMap) {
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mCharMap = new HashMap<>();
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for (Map.Entry<String, CameraMetadataNative> entry : charsMap.entrySet()) {
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mCharMap.put(entry.getKey(), new CameraCharacteristics(entry.getValue()));
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}
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}
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/**
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* Return the set of camera ids stored in the characteristics map
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*
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* @return Set of the camera ids stored in the map
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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@NonNull
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public Set<String> getCameraIds() {
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return mCharMap.keySet();
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}
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/**
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* Return the corresponding {@link CameraCharacteristics} given
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* a valid camera id
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*
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* @param cameraId Camera device id
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*
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* @return Valid {@link CameraCharacteristics} instance of null
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* in case the camera id is not part of the map
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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@Nullable
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public CameraCharacteristics get(@NonNull String cameraId) {
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return mCharMap.get(cameraId);
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}
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}
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