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/*
* Copyright (C) 2023 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 androidx.camera.extensions.impl.serviceforward;
import android.graphics.ImageFormat;
import android.hardware.camera2.CameraCharacteristics;
import android.hardware.camera2.CaptureRequest;
import android.hardware.camera2.CaptureResult;
import android.hardware.camera2.TotalCaptureResult;
import android.os.RemoteException;
import android.util.Log;
import android.util.Range;
import android.util.Size;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.camera.extensions.impl.advanced.AdvancedExtenderImpl;
import androidx.camera.extensions.impl.advanced.SessionProcessorImpl;
import androidx.camera.extensions.impl.service.CameraMetadataWrapper;
import androidx.camera.extensions.impl.service.IAdvancedExtenderImpl;
import androidx.camera.extensions.impl.service.ISessionProcessorImpl;
import androidx.camera.extensions.impl.service.LatencyRange;
import androidx.camera.extensions.impl.service.SizeList;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ForwardAdvancedExtender implements AdvancedExtenderImpl {
private static final String TAG = "ForwardAdvancedExtender";
private IAdvancedExtenderImpl mIAdvancedExtender;
private String mCameraId;
private final int mExtensionType;
private ForwardSessionProcessor mForwardSessionProcessor;
public ForwardAdvancedExtender(int extensionType) {
mIAdvancedExtender = ServiceManager.getInstance().createAdvancedExtenderImpl(
extensionType);
mExtensionType = extensionType;
}
private static ArrayList<Size> getSupportedSizes(SizeList sizesList) {
ArrayList<Size> ret = new ArrayList<>();
for (androidx.camera.extensions.impl.service.Size size : sizesList.sizes) {
ret.add(new Size(size.width, size.height));
}
return ret;
}
@Override
public boolean isExtensionAvailable(@NonNull String cameraId,
@NonNull Map<String, CameraCharacteristics> characteristicsMap) {
try {
return mIAdvancedExtender.isExtensionAvailable(cameraId);
} catch (RemoteException e) {
Log.e(TAG, "isExtensionAvailable failed", e);
throw new IllegalStateException("isExtensionAvailable failed", e);
}
}
@Override
public void init(@NonNull String cameraId,
@NonNull Map<String, CameraCharacteristics> characteristicsMap) {
try {
mCameraId = cameraId;
mIAdvancedExtender.init(cameraId);
} catch (RemoteException e) {
Log.e(TAG, "init failed", e);
throw new IllegalStateException("init failed", e);
}
}
@Override
@Nullable
public Range<Long> getEstimatedCaptureLatencyRange(@NonNull String cameraId,
@NonNull Size captureOutputSize,
int imageFormat) {
try {
androidx.camera.extensions.impl.service.Size size =
new androidx.camera.extensions.impl.service.Size();
size.width = captureOutputSize.getWidth();
size.height = captureOutputSize.getHeight();
LatencyRange latencyRange =
mIAdvancedExtender.getEstimatedCaptureLatencyRange(cameraId,
size, imageFormat);
return new Range<>(latencyRange.min, latencyRange.max);
} catch (RemoteException e) {
Log.e(TAG, "getEstimatedCaptureLatencyRange failed", e);
throw new IllegalStateException("getEstimatedCaptureLatencyRange failed", e);
}
}
@Override
public Map<Integer, List<Size>> getSupportedPreviewOutputResolutions(String cameraId) {
try {
List<SizeList> sizeLists = mIAdvancedExtender.getSupportedPreviewOutputResolutions(
cameraId);
Map<Integer, List<Size>> result = new HashMap<>();
for (SizeList sizeList : sizeLists) {
result.put(sizeList.format, getSupportedSizes(sizeList));
}
return result;
} catch (RemoteException e) {
Log.e(TAG, "getSupportedPreviewOutputResolutions failed", e);
throw new IllegalStateException("getSupportedPreviewOutputResolutions failed", e);
}
}
@Override
public Map<Integer, List<Size>> getSupportedCaptureOutputResolutions(String cameraId) {
try {
List<SizeList> sizeLists = mIAdvancedExtender.getSupportedCaptureOutputResolutions(
cameraId);
Map<Integer, List<Size>> result = new HashMap<>();
for (SizeList sizeList : sizeLists) {
result.put(sizeList.format, getSupportedSizes(sizeList));
}
return result;
} catch (RemoteException e) {
Log.e(TAG, "getSupportedCaptureOutputResolutions failed", e);
throw new IllegalStateException("getSupportedCaptureOutputResolutions failed", e);
}
}
@Override
public List<Size> getSupportedYuvAnalysisResolutions(String cameraId) {
try {
List<SizeList> sizeLists = mIAdvancedExtender.getSupportedYuvAnalysisResolutions(
cameraId);
if (sizeLists == null) {
return null;
}
for (SizeList sizeList : sizeLists) {
if (sizeList.format == ImageFormat.YUV_420_888) {
return getSupportedSizes(sizeList);
}
}
return null;
} catch (RemoteException e) {
Log.e(TAG, "getSupportedYuvAnalysisResolutions failed", e);
throw new IllegalStateException("getSupportedYuvAnalysisResolutions failed", e);
}
}
/**
* Re-initialize IAdvancedExtenderImpl when binder died.
*/
private void ensureIAdvancedExtenderImplAlive() {
try {
if (!mIAdvancedExtender.asBinder().pingBinder()) {
Log.e(TAG, "IAdvancedExtenderImpl binder died, recreate");
mIAdvancedExtender = ServiceManager.getInstance().createAdvancedExtenderImpl(
mExtensionType);
mIAdvancedExtender.init(mCameraId);
}
} catch (RemoteException e) {
Log.e(TAG, "can't create IAdvancedExtenderImpl", e);
throw new IllegalStateException("can't create IAdvancedExtenderImpl", e);
}
}
/**
* Re-initialize ISessionProcessImpl when binder died.
*/
ISessionProcessorImpl recreateISessionProcessor() {
Log.e(TAG, "Recreating ISessionProcessorImpl");
try {
ensureIAdvancedExtenderImplAlive();
return mIAdvancedExtender.getSessionProcessor();
} catch (RemoteException e) {
Log.e(TAG, "can't get the SessionProcessor from IAdvancedExtenderImpl", e);
throw new IllegalStateException(
"can't get the SessionProcessor from IAdvancedExtenderImpl", e);
}
}
@Override
@NonNull
public SessionProcessorImpl createSessionProcessor() {
try {
ISessionProcessorImpl sessionProcessor = mIAdvancedExtender.getSessionProcessor();
mForwardSessionProcessor =
new ForwardSessionProcessor(this, sessionProcessor);
return mForwardSessionProcessor;
} catch (RemoteException e) {
Log.e(TAG, "can't get the SessionProcessor from IAdvancedExtenderImpl", e);
throw new IllegalStateException(
"can't get the SessionProcessor from IAdvancedExtenderImpl", e); }
}
@Override
@Nullable
public List<CaptureRequest.Key> getAvailableCaptureRequestKeys() {
try {
CameraMetadataWrapper cameraMetadataWrapper
= mIAdvancedExtender.getAvailableCaptureRequestKeys(mCameraId);
CaptureRequest captureRequest = cameraMetadataWrapper.toCaptureRequest();
List<CaptureRequest.Key> result = new ArrayList<>();
for (CaptureRequest.Key<?> key : captureRequest.getKeys()) {
result.add(key);
}
return result;
} catch (RemoteException e) {
Log.e(TAG, "getAvailableCaptureRequestKeys failed", e);
throw new IllegalStateException("getAvailableCaptureRequestKeys failed", e);
}
}
@Override
@Nullable
public List<CaptureResult.Key> getAvailableCaptureResultKeys() {
try {
CameraMetadataWrapper cameraMetadataWrapper
= mIAdvancedExtender.getAvailableCaptureResultKeys(mCameraId);
TotalCaptureResult captureResult = cameraMetadataWrapper.toTotalCaptureResult();
List<CaptureResult.Key> result = new ArrayList<>();
for (CaptureResult.Key<?> key : captureResult.getKeys()) {
result.add(key);
}
return result;
} catch (RemoteException e) {
Log.e(TAG, "getAvailableCaptureRequestKeys failed", e);
throw new IllegalStateException("getAvailableCaptureRequestKeys failed", e);
}
}
}
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