Add CaptureResultBuilder (999d65eb) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+11 −4

Original line number	Diff line number	Diff line
		@@ -3741,10 +3741,17 @@ package android.companion.virtual.camera {
		ctor public CameraCharacteristicsBuilder(@NonNull android.hardware.camera2.CameraCharacteristics);
		method @NonNull public android.hardware.camera2.CameraCharacteristics build();
		method @NonNull public <T> android.companion.virtual.camera.CameraCharacteristicsBuilder set(@NonNull android.hardware.camera2.CameraCharacteristics.Key<T>, T);
		method @NonNull public <T> android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCaptureRequestKeys(@Nullable java.util.List<android.hardware.camera2.CaptureRequest.Key<?>>);
		method @NonNull public <T> android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCaptureResultKeys(@Nullable java.util.List<android.hardware.camera2.CaptureResult.Key<?>>);
		method @NonNull public <T> android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCharacteristicsKeys(@Nullable java.util.List<android.hardware.camera2.CameraCharacteristics.Key<?>>);
		method @NonNull public <T> android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableSessionKeys(@Nullable java.util.List<android.hardware.camera2.CaptureRequest.Key<?>>);
		method @NonNull public android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCaptureRequestKeys(@Nullable java.util.List<android.hardware.camera2.CaptureRequest.Key<?>>);
		method @NonNull public android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCaptureResultKeys(@Nullable java.util.List<android.hardware.camera2.CaptureResult.Key<?>>);
		method @NonNull public android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableCharacteristicsKeys(@Nullable java.util.List<android.hardware.camera2.CameraCharacteristics.Key<?>>);
		method @NonNull public android.companion.virtual.camera.CameraCharacteristicsBuilder setAvailableSessionKeys(@Nullable java.util.List<android.hardware.camera2.CaptureRequest.Key<?>>);
		}

		@FlaggedApi("android.companion.virtualdevice.flags.virtual_camera_metadata") public final class CaptureResultBuilder {
		ctor public CaptureResultBuilder();
		ctor public CaptureResultBuilder(@NonNull android.hardware.camera2.CaptureResult);
		method @NonNull public android.hardware.camera2.CaptureResult build();
		method @NonNull public <T> android.companion.virtual.camera.CaptureResultBuilder set(@NonNull android.hardware.camera2.CaptureResult.Key<T>, T);
		}

		public final class VirtualCamera implements java.io.Closeable {

core/java/android/companion/virtual/camera/CameraCharacteristicsBuilder.java

+4 −4

Original line number	Diff line number	Diff line
		@@ -109,7 +109,7 @@ public final class CameraCharacteristicsBuilder {
		*/
		@SuppressLint("MissingGetterMatchingBuilder") // the getter method is getKeys()
		@NonNull
		public <T> CameraCharacteristicsBuilder setAvailableCharacteristicsKeys(
		public CameraCharacteristicsBuilder setAvailableCharacteristicsKeys(
		@Nullable List<CameraCharacteristics.Key<?>> availableCharacteristicsKeys) {
		int[] characteristicsTags = null;
		if (availableCharacteristicsKeys != null) {
		@@ -129,7 +129,7 @@ public final class CameraCharacteristicsBuilder {
		* Sets the {@link CaptureRequest.Key}s available for the {@link CaptureRequest}.
		*/
		@NonNull
		public <T> CameraCharacteristicsBuilder setAvailableCaptureRequestKeys(
		public CameraCharacteristicsBuilder setAvailableCaptureRequestKeys(
		@Nullable List<CaptureRequest.Key<?>> availableCaptureRequestKeys) {
		int[] captureRequestTags = null;
		if (availableCaptureRequestKeys != null) {
		@@ -148,7 +148,7 @@ public final class CameraCharacteristicsBuilder {
		* Sets the {@link CaptureResult.Key}s available for the {@link CaptureResult}.
		*/
		@NonNull
		public <T> CameraCharacteristicsBuilder setAvailableCaptureResultKeys(
		public CameraCharacteristicsBuilder setAvailableCaptureResultKeys(
		@Nullable List<CaptureResult.Key<?>> availableCaptureResultKeys) {
		int[] captureResultTags = null;
		if (availableCaptureResultKeys != null) {
		@@ -166,7 +166,7 @@ public final class CameraCharacteristicsBuilder {
		* Sets the {@link CaptureRequest.Key}s available for the {@link SessionConfiguration}.
		*/
		@NonNull
		public <T> CameraCharacteristicsBuilder setAvailableSessionKeys(
		public CameraCharacteristicsBuilder setAvailableSessionKeys(
		@Nullable List<CaptureRequest.Key<?>> availableSessionKeys) {
		int[] sessionTags = null;
		if (availableSessionKeys != null) {

core/java/android/companion/virtual/camera/CaptureResultBuilder.java

0 → 100644

+85 −0

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		/*
		* Copyright 2025 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.companion.virtual.camera;

		import android.annotation.FlaggedApi;
		import android.annotation.NonNull;
		import android.annotation.SuppressLint;
		import android.annotation.SystemApi;
		import android.hardware.camera2.CameraCharacteristics;
		import android.hardware.camera2.CaptureResult;
		import android.hardware.camera2.impl.CameraMetadataNative;

		import java.util.function.ObjLongConsumer;

		/**
		* Builder class for creating {@link CaptureResult} instances to be passed to the Consumer from
		* {@link VirtualCameraCallback#onConfigureSession(VirtualCameraSessionConfig, ObjLongConsumer)}.
		*
		* @hide
		*/
		// There is no CaptureResult.Builder for now, so this helps VDM clients to build CaptureResult
		// instances to be passed to the VirtualCameraService. Only the native metadata part is passed
		// to the virtual camera service, the parent CaptureRequest is not used
		@SuppressLint("TopLevelBuilder")
		@SystemApi
		@FlaggedApi(android.companion.virtualdevice.flags.Flags.FLAG_VIRTUAL_CAMERA_METADATA)
		public final class CaptureResultBuilder {
		private final CameraMetadataNative mNativeMetadata;

		/**
		* Builder for creating a {@link CaptureResult}.
		*
		* @see CameraCharacteristics#getAvailableCaptureResultKeys
		*/
		public CaptureResultBuilder() {
		mNativeMetadata = new CameraMetadataNative();
		}

		/**
		* Builder for creating a {@link CaptureResult} starting from a copy of an existing instance.
		*/
		public CaptureResultBuilder(@NonNull CaptureResult captureResult) {
		mNativeMetadata = new CameraMetadataNative(captureResult.getNativeMetadata());
		}

		/**
		* Set a capture result field to a value. The field definitions can be found in
		* {@link CaptureResult}.
		* <p>
		* Setting a field to {@code null} will remove that field from the capture result metadata.
		*
		* @param key The metadata field to write.
		* @param value The value to set the field to, which must be of a matching type to the key.
		*/
		@SuppressLint("KotlinOperator")
		@NonNull
		public <T> CaptureResultBuilder set(@NonNull CaptureResult.Key<T> key, T value) {
		mNativeMetadata.set(key, value);
		return this;
		}

		/**
		* Builds the {@link CaptureResult} object with the set of {@link CaptureResult.Key}s.
		*
		* @return A new {@link CaptureResult} instance to be consumed by a Virtual Camera.
		*/
		public @NonNull CaptureResult build() {
		// cameraId, captureRequest, requestId and frameNumber are not used
		return new CaptureResult(mNativeMetadata, 0 /* requestId */);
		}
		}