Camera: Initial support for Camera2 extension
Add the necessary APIs that will allow Camera2 clients to access
and work with existing CameraX extensions.
Bug: 170481080
Test: Camera CTS
Change-Id: Iaa22fea69ebe01599b3f2e66c1b46ca92015cdc5
diff --git a/packages/services/CameraExtensionsProxy/Android.bp b/packages/services/CameraExtensionsProxy/Android.bp
new file mode 100644
index 0000000..54b7453
--- /dev/null
+++ b/packages/services/CameraExtensionsProxy/Android.bp
@@ -0,0 +1,29 @@
+//
+// Copyright (C) 2020 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.
+//
+
+android_app {
+ name: "CameraExtensionsProxy",
+ srcs: ["src/**/*.java"],
+ libs: ["androidx.camera.extensions.stub"],
+ platform_apis: true,
+ certificate: "platform",
+}
+
+filegroup {
+ name: "CameraExtensionsProxy-aidl-sources",
+ srcs: ["src/**/*.aidl"],
+ path: "src",
+}
diff --git a/packages/services/CameraExtensionsProxy/AndroidManifest.xml b/packages/services/CameraExtensionsProxy/AndroidManifest.xml
new file mode 100644
index 0000000..7416cba
--- /dev/null
+++ b/packages/services/CameraExtensionsProxy/AndroidManifest.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.camera">
+
+ <uses-permission android:name="android.permission.CAMERA" />
+
+ <application
+ android:label="@string/app_name"
+ android:defaultToDeviceProtectedStorage="true"
+ android:directBootAware="true">
+
+ <service android:name=".CameraExtensionsProxyService"
+ android:exported="true">
+ </service>
+ <uses-library android:name="androidx.camera.extensions.impl" android:required="false" />
+ </application>
+
+</manifest>
diff --git a/packages/services/CameraExtensionsProxy/res/values/strings.xml b/packages/services/CameraExtensionsProxy/res/values/strings.xml
new file mode 100644
index 0000000..5062b3d
--- /dev/null
+++ b/packages/services/CameraExtensionsProxy/res/values/strings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+ <string name="app_name">CameraExtensionsProxy</string>
+
+</resources>
diff --git a/packages/services/CameraExtensionsProxy/src/com/android/camera/CameraExtensionsProxyService.java b/packages/services/CameraExtensionsProxy/src/com/android/camera/CameraExtensionsProxyService.java
new file mode 100644
index 0000000..0f05019
--- /dev/null
+++ b/packages/services/CameraExtensionsProxy/src/com/android/camera/CameraExtensionsProxyService.java
@@ -0,0 +1,857 @@
+/**
+ * Copyright (c) 2020, 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 com.android.camera;
+
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.GraphicBuffer;
+import android.graphics.Rect;
+import android.hardware.camera2.CameraAccessException;
+import android.hardware.camera2.CameraCharacteristics;
+import android.hardware.camera2.CameraExtensionCharacteristics;
+import android.hardware.camera2.CameraManager;
+import android.hardware.camera2.CaptureRequest;
+import android.hardware.camera2.extension.CaptureBundle;
+import android.hardware.camera2.extension.CaptureStageImpl;
+import android.hardware.camera2.extension.ICameraExtensionsProxyService;
+import android.hardware.camera2.extension.ICaptureProcessorImpl;
+import android.hardware.camera2.extension.IPreviewExtenderImpl;
+import android.hardware.camera2.extension.IPreviewImageProcessorImpl;
+import android.hardware.camera2.extension.IRequestUpdateProcessorImpl;
+import android.hardware.camera2.extension.ParcelImage;
+import android.hardware.camera2.extension.IImageCaptureExtenderImpl;
+import android.hardware.camera2.extension.SizeList;
+import android.hardware.camera2.impl.CameraMetadataNative;
+import android.hardware.camera2.TotalCaptureResult;
+import android.hardware.HardwareBuffer;
+import android.media.Image;
+import android.media.ImageReader;
+import android.os.ConditionVariable;
+import android.os.Handler;
+import android.os.HandlerExecutor;
+import android.os.HandlerThread;
+import android.os.IBinder;
+import android.util.ArraySet;
+import android.util.Log;
+import android.util.Pair;
+import android.util.Size;
+import android.view.Surface;
+
+import androidx.camera.extensions.impl.AutoImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.AutoPreviewExtenderImpl;
+import androidx.camera.extensions.impl.BeautyImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.BeautyPreviewExtenderImpl;
+import androidx.camera.extensions.impl.BokehImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.BokehPreviewExtenderImpl;
+import androidx.camera.extensions.impl.CaptureProcessorImpl;
+import androidx.camera.extensions.impl.ExtensionVersionImpl;
+import androidx.camera.extensions.impl.HdrImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.HdrPreviewExtenderImpl;
+import androidx.camera.extensions.impl.ImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.InitializerImpl;
+import androidx.camera.extensions.impl.NightImageCaptureExtenderImpl;
+import androidx.camera.extensions.impl.NightPreviewExtenderImpl;
+import androidx.camera.extensions.impl.PreviewExtenderImpl;
+import androidx.camera.extensions.impl.PreviewExtenderImpl.ProcessorType;
+import androidx.camera.extensions.impl.PreviewImageProcessorImpl;
+import androidx.camera.extensions.impl.RequestUpdateProcessorImpl;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.List;
+
+public class CameraExtensionsProxyService extends Service {
+ private static final String TAG = "CameraExtensionsProxyService";
+
+ private static final String CAMERA_EXTENSION_VERSION_NAME =
+ "androidx.camera.extensions.impl.ExtensionVersionImpl";
+ private static final String LATEST_VERSION = "1.1.0";
+ private static final String[] SUPPORTED_VERSION_PREFIXES = {"1.1.", "1.0."};
+ private static final boolean EXTENSIONS_PRESENT = checkForExtensions();
+ private static final String EXTENSIONS_VERSION = EXTENSIONS_PRESENT ?
+ (new ExtensionVersionImpl()).checkApiVersion(LATEST_VERSION) : null;
+ private static final boolean LATEST_VERSION_SUPPORTED =
+ EXTENSIONS_PRESENT && EXTENSIONS_VERSION.startsWith(SUPPORTED_VERSION_PREFIXES[0]);
+
+ private static boolean checkForExtensions() {
+ try {
+ Class.forName(CAMERA_EXTENSION_VERSION_NAME);
+ } catch (ClassNotFoundException e) {
+ return false;
+ }
+
+ String extensionVersion = (new ExtensionVersionImpl()).checkApiVersion(LATEST_VERSION);
+ for (String supportedVersion : SUPPORTED_VERSION_PREFIXES) {
+ if (extensionVersion.startsWith(supportedVersion)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * A per-process global camera extension manager instance, to track and
+ * initialize/release extensions depending on client activity.
+ */
+ private static final class CameraExtensionManagerGlobal {
+ private static final String TAG = "CameraExtensionManagerGlobal";
+ private final int EXTENSION_DELAY_MS = 1000;
+
+ private final Handler mHandler;
+ private final HandlerThread mHandlerThread;
+ private final Object mLock = new Object();
+
+ private long mCurrentClientCount = 0;
+ private ArraySet<Long> mActiveClients = new ArraySet<>();
+
+ // Singleton instance
+ private static final CameraExtensionManagerGlobal GLOBAL_CAMERA_MANAGER =
+ new CameraExtensionManagerGlobal();
+
+ // Singleton, don't allow construction
+ private CameraExtensionManagerGlobal() {
+ mHandlerThread = new HandlerThread(TAG);
+ mHandlerThread.start();
+ mHandler = new Handler(mHandlerThread.getLooper());
+ }
+
+ private final static class InitializeHandler
+ implements InitializerImpl.OnExtensionsInitializedCallback {
+ private final InitializerFuture mStatusFuture;
+
+ public InitializeHandler(InitializerFuture statusFuture) {
+ mStatusFuture = statusFuture;
+ }
+
+ @Override
+ public void onSuccess() {
+ mStatusFuture.setStatus(true);
+ }
+
+ @Override
+ public void onFailure(int error) {
+ mStatusFuture.setStatus(false);
+ }
+ }
+
+ private final static class ReleaseHandler
+ implements InitializerImpl.OnExtensionsDeinitializedCallback {
+ private final InitializerFuture mStatusFuture;
+
+ public ReleaseHandler(InitializerFuture statusFuture) {
+ mStatusFuture = statusFuture;
+ }
+
+ @Override public void onSuccess() {
+ mStatusFuture.setStatus(true);
+ }
+
+ @Override
+ public void onFailure(int i) {
+ mStatusFuture.setStatus(false);
+ }
+ }
+
+ private static class InitializerFuture implements Future<Boolean> {
+ private volatile Boolean mStatus;
+ ConditionVariable mCondVar = new ConditionVariable(/*opened*/false);
+
+ public void setStatus(boolean status) {
+ mStatus = status;
+ mCondVar.open();
+ }
+
+ @Override
+ public boolean cancel(boolean mayInterruptIfRunning) {
+ return false; // don't allow canceling this task
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return false; // can never cancel this task
+ }
+
+ @Override
+ public boolean isDone() {
+ return mStatus != null;
+ }
+
+ @Override
+ public Boolean get() {
+ mCondVar.block();
+ return mStatus;
+ }
+
+ @Override
+ public Boolean get(long timeout, TimeUnit unit) throws TimeoutException {
+ long timeoutMs = unit.convert(timeout, TimeUnit.MILLISECONDS);
+ if (!mCondVar.block(timeoutMs)) {
+ throw new TimeoutException(
+ "Failed to receive status after " + timeout + " " + unit);
+ }
+
+ if (mStatus == null) {
+ throw new AssertionError();
+ }
+ return mStatus;
+ }
+
+ }
+
+ public static CameraExtensionManagerGlobal get() {
+ return GLOBAL_CAMERA_MANAGER;
+ }
+
+ public long registerClient(Context ctx) {
+ synchronized (mLock) {
+ if (LATEST_VERSION_SUPPORTED) {
+ if (mActiveClients.isEmpty()) {
+ InitializerFuture status = new InitializerFuture();
+ InitializerImpl.init(EXTENSIONS_VERSION, ctx, new InitializeHandler(status),
+ new HandlerExecutor(mHandler));
+ boolean initSuccess;
+ try {
+ initSuccess = status.get(EXTENSION_DELAY_MS,
+ TimeUnit.MILLISECONDS);
+ } catch (TimeoutException e) {
+ Log.e(TAG, "Timed out while initializing camera extensions!");
+ return -1;
+ }
+ if (!initSuccess) {
+ Log.e(TAG, "Failed while initializing camera extensions!");
+ return -1;
+ }
+ }
+ }
+
+ long ret = mCurrentClientCount;
+ mCurrentClientCount++;
+ if (mCurrentClientCount < 0) {
+ mCurrentClientCount = 0;
+ }
+ mActiveClients.add(ret);
+
+ return ret;
+ }
+ }
+
+ public void unregisterClient(long clientId) {
+ synchronized (mLock) {
+ if (mActiveClients.remove(clientId) && mActiveClients.isEmpty() &&
+ LATEST_VERSION_SUPPORTED) {
+ InitializerFuture status = new InitializerFuture();
+ InitializerImpl.deinit(new ReleaseHandler(status),
+ new HandlerExecutor(mHandler));
+ boolean releaseSuccess;
+ try {
+ releaseSuccess = status.get(EXTENSION_DELAY_MS, TimeUnit.MILLISECONDS);
+ } catch (TimeoutException e) {
+ Log.e(TAG, "Timed out while releasing camera extensions!");
+ return;
+ }
+ if (!releaseSuccess) {
+ Log.e(TAG, "Failed while releasing camera extensions!");
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * @hide
+ */
+ private static long registerClient(Context ctx) {
+ if (!EXTENSIONS_PRESENT) {
+ return -1;
+ }
+ return CameraExtensionManagerGlobal.get().registerClient(ctx);
+ }
+
+ /**
+ * @hide
+ */
+ public static void unregisterClient(long clientId) {
+ if (!EXTENSIONS_PRESENT) {
+ return;
+ }
+ CameraExtensionManagerGlobal.get().unregisterClient(clientId);
+ }
+
+ /**
+ * @hide
+ */
+ public static Pair<PreviewExtenderImpl, ImageCaptureExtenderImpl> initializeExtension(
+ int extensionType) {
+ switch (extensionType) {
+ case CameraExtensionCharacteristics.EXTENSION_AUTOMATIC:
+ return new Pair<>(new AutoPreviewExtenderImpl(),
+ new AutoImageCaptureExtenderImpl());
+ case CameraExtensionCharacteristics.EXTENSION_BEAUTY:
+ return new Pair<>(new BeautyPreviewExtenderImpl(),
+ new BeautyImageCaptureExtenderImpl());
+ case CameraExtensionCharacteristics.EXTENSION_BOKEH:
+ return new Pair<>(new BokehPreviewExtenderImpl(),
+ new BokehImageCaptureExtenderImpl());
+ case CameraExtensionCharacteristics.EXTENSION_HDR:
+ return new Pair<>(new HdrPreviewExtenderImpl(), new HdrImageCaptureExtenderImpl());
+ case CameraExtensionCharacteristics.EXTENSION_NIGHT:
+ return new Pair<>(new NightPreviewExtenderImpl(),
+ new NightImageCaptureExtenderImpl());
+ default:
+ throw new IllegalArgumentException("Unknown extension: " + extensionType);
+ }
+ }
+
+ @Override
+ public void onCreate() {
+ super.onCreate();
+ // This will setup the camera vendor tag descriptor in the service process
+ try {
+ CameraManager manager = getSystemService(CameraManager.class);
+
+ String [] cameraIds = manager.getCameraIdListNoLazy();
+ if (cameraIds != null) {
+ for (String cameraId : cameraIds) {
+ CameraCharacteristics ch = manager.getCameraCharacteristics(cameraId);
+ }
+ }
+ } catch (CameraAccessException e) {
+ Log.e(TAG, "Failed to query camera characteristics!");
+ }
+ }
+
+ @Override
+ public void onDestroy() {
+ super.onDestroy();
+ }
+
+
+ @Override
+ public IBinder onBind(Intent intent) {
+ return new CameraExtensionsProxyServiceStub();
+ }
+
+ private static List<SizeList> initializeParcelable(
+ List<Pair<Integer, android.util.Size[]>> sizes) {
+ if (sizes == null) {
+ return null;
+ }
+ ArrayList<SizeList> ret = new ArrayList<>(sizes.size());
+ for (Pair<Integer, Size[]> entry : sizes) {
+ SizeList sizeList = new SizeList();
+ sizeList.format = entry.first;
+ sizeList.sizes = new ArrayList<>();
+ for (android.util.Size size : entry.second) {
+ android.hardware.camera2.extension.Size sz =
+ new android.hardware.camera2.extension.Size();
+ sz.width = size.getWidth();
+ sz.height = size.getHeight();
+ sizeList.sizes.add(sz);
+ }
+ }
+
+ return ret;
+ }
+
+ private static CameraMetadataNative initializeParcelableMetadata(
+ List<Pair<CaptureRequest.Key, Object>> paramList) {
+ if (paramList == null) {
+ return null;
+ }
+
+ CameraMetadataNative ret = new CameraMetadataNative();
+ for (Pair<CaptureRequest.Key, Object> param : paramList) {
+ ret.set(param.first, param.second);
+ }
+
+ return ret;
+ }
+
+ private static android.hardware.camera2.extension.CaptureStageImpl initializeParcelable(
+ androidx.camera.extensions.impl.CaptureStageImpl captureStage) {
+ if (captureStage == null) {
+ return null;
+ }
+
+ android.hardware.camera2.extension.CaptureStageImpl ret =
+ new android.hardware.camera2.extension.CaptureStageImpl();
+ ret.id = captureStage.getId();
+ ret.parameters = initializeParcelableMetadata(captureStage.getParameters());
+
+ return ret;
+ }
+
+ private class CameraExtensionsProxyServiceStub extends ICameraExtensionsProxyService.Stub {
+ @Override
+ public long registerClient() {
+ return CameraExtensionsProxyService.registerClient(CameraExtensionsProxyService.this);
+ }
+
+ @Override
+ public void unregisterClient(long clientId) {
+ CameraExtensionsProxyService.unregisterClient(clientId);
+ }
+
+ @Override
+ public IPreviewExtenderImpl initializePreviewExtension(int extensionType) {
+ Pair<PreviewExtenderImpl, ImageCaptureExtenderImpl> extension;
+ try {
+ extension = initializeExtension(extensionType);
+ } catch (IllegalArgumentException e) {
+ return null;
+ }
+
+ return new PreviewExtenderImplStub(extension.first);
+ }
+
+ @Override
+ public IImageCaptureExtenderImpl initializeImageExtension(int extensionType) {
+ Pair<PreviewExtenderImpl, ImageCaptureExtenderImpl> extension;
+ try {
+ extension = initializeExtension(extensionType);
+ } catch (IllegalArgumentException e) {
+ return null;
+ }
+
+ return new ImageCaptureExtenderImplStub(extension.second);
+ }
+ }
+
+ private class PreviewExtenderImplStub extends IPreviewExtenderImpl.Stub {
+ private final PreviewExtenderImpl mPreviewExtender;
+
+ public PreviewExtenderImplStub(PreviewExtenderImpl previewExtender) {
+ mPreviewExtender = previewExtender;
+ }
+
+ @Override
+ public void onInit(String cameraId, CameraMetadataNative cameraCharacteristics) {
+ mPreviewExtender.onInit(cameraId, new CameraCharacteristics(cameraCharacteristics),
+ CameraExtensionsProxyService.this);
+ }
+
+ @Override
+ public void onDeInit() {
+ mPreviewExtender.onDeInit();
+ }
+
+ @Override
+ public CaptureStageImpl onPresetSession() {
+ return initializeParcelable(mPreviewExtender.onPresetSession());
+ }
+
+ @Override
+ public CaptureStageImpl onEnableSession() {
+ return initializeParcelable(mPreviewExtender.onEnableSession());
+ }
+
+ @Override
+ public CaptureStageImpl onDisableSession() {
+ return initializeParcelable(mPreviewExtender.onDisableSession());
+ }
+
+ @Override
+ public void init(String cameraId, CameraMetadataNative chars) {
+ if (LATEST_VERSION_SUPPORTED) {
+ mPreviewExtender.init(cameraId, new CameraCharacteristics(chars));
+ }
+ }
+
+ @Override
+ public boolean isExtensionAvailable(String cameraId, CameraMetadataNative chars) {
+ return mPreviewExtender.isExtensionAvailable(cameraId,
+ new CameraCharacteristics(chars));
+ }
+
+ @Override
+ public CaptureStageImpl getCaptureStage() {
+ return initializeParcelable(mPreviewExtender.getCaptureStage());
+ }
+
+ @Override
+ public int getProcessorType() {
+ ProcessorType processorType = mPreviewExtender.getProcessorType();
+ if (processorType == ProcessorType.PROCESSOR_TYPE_REQUEST_UPDATE_ONLY) {
+ return IPreviewExtenderImpl.PROCESSOR_TYPE_REQUEST_UPDATE_ONLY;
+ } else if (processorType == ProcessorType.PROCESSOR_TYPE_IMAGE_PROCESSOR) {
+ return IPreviewExtenderImpl.PROCESSOR_TYPE_IMAGE_PROCESSOR;
+ } else {
+ return IPreviewExtenderImpl.PROCESSOR_TYPE_NONE;
+ }
+ }
+
+ @Override
+ public IPreviewImageProcessorImpl getPreviewImageProcessor() {
+ PreviewImageProcessorImpl processor;
+ try {
+ processor = (PreviewImageProcessorImpl) mPreviewExtender.getProcessor();
+ } catch (ClassCastException e) {
+ Log.e(TAG, "Failed casting preview processor!");
+ return null;
+ }
+
+ if (processor != null) {
+ return new PreviewImageProcessorImplStub(processor);
+ }
+
+ return null;
+ }
+
+ @Override
+ public IRequestUpdateProcessorImpl getRequestUpdateProcessor() {
+ RequestUpdateProcessorImpl processor;
+ try {
+ processor = (RequestUpdateProcessorImpl) mPreviewExtender.getProcessor();
+ } catch (ClassCastException e) {
+ Log.e(TAG, "Failed casting preview processor!");
+ return null;
+ }
+
+ if (processor != null) {
+ return new RequestUpdateProcessorImplStub(processor);
+ }
+
+ return null;
+ }
+
+ @Override
+ public List<SizeList> getSupportedResolutions() {
+ if (LATEST_VERSION_SUPPORTED) {
+ List<Pair<Integer, android.util.Size[]>> sizes =
+ mPreviewExtender.getSupportedResolutions();
+ if ((sizes != null) && !sizes.isEmpty()) {
+ return initializeParcelable(sizes);
+ }
+ }
+ return null;
+ }
+ }
+
+ private class ImageCaptureExtenderImplStub extends IImageCaptureExtenderImpl.Stub {
+ private final ImageCaptureExtenderImpl mImageExtender;
+
+ public ImageCaptureExtenderImplStub(ImageCaptureExtenderImpl imageExtender) {
+ mImageExtender = imageExtender;
+ }
+
+ @Override
+ public void onInit(String cameraId, CameraMetadataNative cameraCharacteristics) {
+ mImageExtender.onInit(cameraId, new CameraCharacteristics(cameraCharacteristics),
+ CameraExtensionsProxyService.this);
+ }
+
+ @Override
+ public void onDeInit() {
+ mImageExtender.onDeInit();
+ }
+
+ @Override
+ public CaptureStageImpl onPresetSession() {
+ return initializeParcelable(mImageExtender.onPresetSession());
+ }
+
+ @Override
+ public CaptureStageImpl onEnableSession() {
+ return initializeParcelable(mImageExtender.onEnableSession());
+ }
+
+ @Override
+ public CaptureStageImpl onDisableSession() {
+ return initializeParcelable(mImageExtender.onDisableSession());
+ }
+
+ @Override
+ public void init(String cameraId, CameraMetadataNative chars) {
+ if (LATEST_VERSION_SUPPORTED) {
+ mImageExtender.init(cameraId, new CameraCharacteristics(chars));
+ }
+ }
+
+ @Override
+ public boolean isExtensionAvailable(String cameraId, CameraMetadataNative chars) {
+ return mImageExtender.isExtensionAvailable(cameraId,
+ new CameraCharacteristics(chars));
+ }
+
+ @Override
+ public ICaptureProcessorImpl getCaptureProcessor() {
+ CaptureProcessorImpl captureProcessor = mImageExtender.getCaptureProcessor();
+ if (captureProcessor != null) {
+ return new CaptureProcessorImplStub(captureProcessor);
+ }
+
+ return null;
+ }
+
+
+ @Override
+ public List<CaptureStageImpl> getCaptureStages() {
+ List<androidx.camera.extensions.impl.CaptureStageImpl> captureStages =
+ mImageExtender.getCaptureStages();
+ if (captureStages != null) {
+ ArrayList<android.hardware.camera2.extension.CaptureStageImpl> ret =
+ new ArrayList<>();
+ for (androidx.camera.extensions.impl.CaptureStageImpl stage : captureStages) {
+ ret.add(initializeParcelable(stage));
+ }
+
+ return ret;
+ }
+
+ return null;
+ }
+
+ @Override
+ public int getMaxCaptureStage() {
+ return mImageExtender.getMaxCaptureStage();
+ }
+
+ @Override
+ public List<SizeList> getSupportedResolutions() {
+ if (LATEST_VERSION_SUPPORTED) {
+ List<Pair<Integer, android.util.Size[]>> sizes =
+ mImageExtender.getSupportedResolutions();
+ if ((sizes != null) && !sizes.isEmpty()) {
+ return initializeParcelable(sizes);
+ }
+ }
+
+ return null;
+ }
+ }
+
+ private class CaptureProcessorImplStub extends ICaptureProcessorImpl.Stub {
+ private final CaptureProcessorImpl mCaptureProcessor;
+
+ public CaptureProcessorImplStub(CaptureProcessorImpl captureProcessor) {
+ mCaptureProcessor = captureProcessor;
+ }
+
+ @Override
+ public void onOutputSurface(Surface surface, int imageFormat) {
+ mCaptureProcessor.onOutputSurface(surface, imageFormat);
+ }
+
+ @Override
+ public void onResolutionUpdate(android.hardware.camera2.extension.Size size) {
+ mCaptureProcessor.onResolutionUpdate(new android.util.Size(size.width, size.height));
+ }
+
+ @Override
+ public void onImageFormatUpdate(int imageFormat) {
+ mCaptureProcessor.onImageFormatUpdate(imageFormat);
+ }
+
+ @Override
+ public void process(List<CaptureBundle> captureList) {
+ HashMap<Integer, Pair<Image, TotalCaptureResult>> captureMap = new HashMap<>();
+ for (CaptureBundle captureBundle : captureList) {
+ captureMap.put(captureBundle.stage, new Pair<> (
+ new ExtensionImage(captureBundle.captureImage),
+ new TotalCaptureResult(captureBundle.captureResult,
+ captureBundle.sequenceId)));
+ }
+ if (!captureMap.isEmpty()) {
+ mCaptureProcessor.process(captureMap);
+ } else {
+ Log.e(TAG, "Process request with absent capture stages!");
+ }
+ }
+ }
+
+ private class PreviewImageProcessorImplStub extends IPreviewImageProcessorImpl.Stub {
+ private final PreviewImageProcessorImpl mProcessor;
+
+ public PreviewImageProcessorImplStub(PreviewImageProcessorImpl processor) {
+ mProcessor = processor;
+ }
+
+ @Override
+ public void onOutputSurface(Surface surface, int imageFormat) {
+ mProcessor.onOutputSurface(surface, imageFormat);
+ }
+
+ @Override
+ public void onResolutionUpdate(android.hardware.camera2.extension.Size size) {
+ mProcessor.onResolutionUpdate(new android.util.Size(size.width, size.height));
+ }
+
+ @Override
+ public void onImageFormatUpdate(int imageFormat) {
+ mProcessor.onImageFormatUpdate(imageFormat);
+ }
+
+ @Override
+ public void process(android.hardware.camera2.extension.ParcelImage image,
+ CameraMetadataNative result, int sequenceId) {
+ mProcessor.process(new ExtensionImage(image),
+ new TotalCaptureResult(result, sequenceId));
+ }
+ }
+
+ private class RequestUpdateProcessorImplStub extends IRequestUpdateProcessorImpl.Stub {
+ private final RequestUpdateProcessorImpl mProcessor;
+
+ public RequestUpdateProcessorImplStub(RequestUpdateProcessorImpl processor) {
+ mProcessor = processor;
+ }
+
+ @Override
+ public void onOutputSurface(Surface surface, int imageFormat) {
+ mProcessor.onOutputSurface(surface, imageFormat);
+ }
+
+ @Override
+ public void onResolutionUpdate(android.hardware.camera2.extension.Size size) {
+ mProcessor.onResolutionUpdate(new android.util.Size(size.width, size.height));
+ }
+
+ @Override
+ public void onImageFormatUpdate(int imageFormat) {
+ mProcessor.onImageFormatUpdate(imageFormat);
+ }
+
+ @Override
+ public CaptureStageImpl process(CameraMetadataNative result, int sequenceId) {
+ return initializeParcelable(
+ mProcessor.process(new TotalCaptureResult(result, sequenceId)));
+ }
+ }
+
+ private class ExtensionImage extends android.media.Image {
+ private final android.hardware.camera2.extension.ParcelImage mParcelImage;
+ private GraphicBuffer mGraphicBuffer;
+ private ImageReader.ImagePlane[] mPlanes;
+
+ private ExtensionImage(android.hardware.camera2.extension.ParcelImage parcelImage) {
+ mParcelImage = parcelImage;
+ mIsImageValid = true;
+ }
+
+ @Override
+ public int getFormat() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.format;
+ }
+
+ @Override
+ public int getWidth() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.width;
+ }
+
+ @Override
+ public HardwareBuffer getHardwareBuffer() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.buffer;
+ }
+
+ @Override
+ public int getHeight() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.height;
+ }
+
+ @Override
+ public long getTimestamp() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.timestamp;
+ }
+
+ @Override
+ public int getTransform() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.transform;
+ }
+
+ @Override
+ public int getScalingMode() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.scalingMode;
+ }
+
+ @Override
+ public Plane[] getPlanes() {
+ throwISEIfImageIsInvalid();
+ if (mPlanes == null) {
+ int fenceFd = mParcelImage.fence != null ? mParcelImage.fence.getFd() : -1;
+ mGraphicBuffer = GraphicBuffer.createFromHardwareBuffer(mParcelImage.buffer);
+ mPlanes = ImageReader.initializeImagePlanes(mParcelImage.planeCount, mGraphicBuffer,
+ fenceFd, mParcelImage.format, mParcelImage.timestamp,
+ mParcelImage.transform, mParcelImage.scalingMode, mParcelImage.crop);
+ }
+ // Shallow copy is fine.
+ return mPlanes.clone();
+ }
+
+ @Override
+ protected final void finalize() throws Throwable {
+ try {
+ close();
+ } finally {
+ super.finalize();
+ }
+ }
+
+ @Override
+ public boolean isAttachable() {
+ throwISEIfImageIsInvalid();
+ // Clients must always detach parcelable images
+ return true;
+ }
+
+ @Override
+ public Rect getCropRect() {
+ throwISEIfImageIsInvalid();
+ return mParcelImage.crop;
+ }
+
+ @Override
+ public void close() {
+ mIsImageValid = false;
+
+ if (mGraphicBuffer != null) {
+ ImageReader.unlockGraphicBuffer(mGraphicBuffer);
+ mGraphicBuffer.destroy();
+ mGraphicBuffer = null;
+ }
+
+ if (mPlanes != null) {
+ mPlanes = null;
+ }
+
+ if (mParcelImage.buffer != null) {
+ mParcelImage.buffer.close();
+ mParcelImage.buffer = null;
+ }
+
+ if (mParcelImage.fence != null) {
+ try {
+ mParcelImage.fence.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ mParcelImage.fence = null;
+ }
+ }
+ }
+}