| /* |
| * Copyright 2019 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; |
| |
| import android.content.Context; |
| import android.hardware.camera2.CameraCharacteristics; |
| import android.hardware.camera2.CaptureRequest; |
| import android.hardware.camera2.TotalCaptureResult; |
| import android.media.Image; |
| import android.media.ImageWriter; |
| import android.os.Build; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.Size; |
| import android.view.Surface; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Implementation for auto image capture use case. |
| * |
| * <p>This class should be implemented by OEM and deployed to the target devices. 3P developers |
| * don't need to implement this, unless this is used for related testing usage. |
| * |
| * @since 1.0 |
| * @hide |
| */ |
| public final class AutoImageCaptureExtenderImpl implements ImageCaptureExtenderImpl { |
| private static final String TAG = "AutoICExtender"; |
| private static final int DEFAULT_STAGE_ID = 0; |
| private static final int SESSION_STAGE_ID = 101; |
| private static final int MODE = CaptureRequest.CONTROL_AWB_MODE_DAYLIGHT; |
| |
| /** |
| * @hide |
| */ |
| public AutoImageCaptureExtenderImpl() { |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public void init(String cameraId, CameraCharacteristics cameraCharacteristics) { |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public boolean isExtensionAvailable(String cameraId, |
| CameraCharacteristics cameraCharacteristics) { |
| return false; |
| } |
| |
| public boolean isExtensionAvailableOriginal(String cameraId, |
| CameraCharacteristics cameraCharacteristics) { |
| // Requires API 23 for ImageWriter |
| if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { |
| return false; |
| } |
| |
| if (cameraCharacteristics == null) { |
| return false; |
| } |
| |
| return CameraCharacteristicAvailability.isWBModeAvailable(cameraCharacteristics, MODE); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public List<CaptureStageImpl> getCaptureStages() { |
| // Placeholder set of CaptureRequest.Key values |
| SettableCaptureStage captureStage = new SettableCaptureStage(DEFAULT_STAGE_ID); |
| captureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, MODE); |
| List<CaptureStageImpl> captureStages = new ArrayList<>(); |
| captureStages.add(captureStage); |
| return captureStages; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public CaptureProcessorImpl getCaptureProcessor() { |
| CaptureProcessorImpl captureProcessor = |
| new CaptureProcessorImpl() { |
| private ImageWriter mImageWriter; |
| |
| @Override |
| public void onOutputSurface(Surface surface, int imageFormat) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
| mImageWriter = ImageWriter.newInstance(surface, 1); |
| } |
| } |
| |
| @Override |
| public void process(Map<Integer, Pair<Image, TotalCaptureResult>> results) { |
| Log.d(TAG, "Started auto CaptureProcessor"); |
| |
| Pair<Image, TotalCaptureResult> result = results.get(DEFAULT_STAGE_ID); |
| |
| if (result == null) { |
| Log.w(TAG, |
| "Unable to process since images does not contain all stages."); |
| return; |
| } else { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
| Image image = mImageWriter.dequeueInputImage(); |
| |
| // Do processing here |
| ByteBuffer yByteBuffer = image.getPlanes()[0].getBuffer(); |
| ByteBuffer uByteBuffer = image.getPlanes()[2].getBuffer(); |
| ByteBuffer vByteBuffer = image.getPlanes()[1].getBuffer(); |
| |
| // Sample here just simply copy/paste the capture image result |
| yByteBuffer.put(result.first.getPlanes()[0].getBuffer()); |
| uByteBuffer.put(result.first.getPlanes()[2].getBuffer()); |
| vByteBuffer.put(result.first.getPlanes()[1].getBuffer()); |
| |
| mImageWriter.queueInputImage(image); |
| } |
| } |
| |
| // Close all input images |
| for (Pair<Image, TotalCaptureResult> imageDataPair : results.values()) { |
| imageDataPair.first.close(); |
| } |
| |
| Log.d(TAG, "Completed auto CaptureProcessor"); |
| } |
| |
| @Override |
| public void onResolutionUpdate(Size size) { |
| |
| } |
| |
| @Override |
| public void onImageFormatUpdate(int imageFormat) { |
| |
| } |
| }; |
| return captureProcessor; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public void onInit(String cameraId, CameraCharacteristics cameraCharacteristics, |
| Context context) { |
| |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public void onDeInit() { |
| |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public CaptureStageImpl onPresetSession() { |
| // Set the necessary CaptureRequest parameters via CaptureStage, here we use some |
| // placeholder set of CaptureRequest.Key values |
| SettableCaptureStage captureStage = new SettableCaptureStage(SESSION_STAGE_ID); |
| captureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, MODE); |
| |
| return captureStage; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public CaptureStageImpl onEnableSession() { |
| // Set the necessary CaptureRequest parameters via CaptureStage, here we use some |
| // placeholder set of CaptureRequest.Key values |
| SettableCaptureStage captureStage = new SettableCaptureStage(SESSION_STAGE_ID); |
| captureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, MODE); |
| |
| return captureStage; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public CaptureStageImpl onDisableSession() { |
| // Set the necessary CaptureRequest parameters via CaptureStage, here we use some |
| // placeholder set of CaptureRequest.Key values |
| SettableCaptureStage captureStage = new SettableCaptureStage(SESSION_STAGE_ID); |
| captureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, MODE); |
| |
| return captureStage; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public int getMaxCaptureStage() { |
| return 3; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public List<Pair<Integer, Size[]>> getSupportedResolutions() { |
| return null; |
| } |
| } |