| /* |
| * 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.util.Pair; |
| import android.util.Size; |
| import android.view.Surface; |
| |
| import java.util.List; |
| |
| /** |
| * Implementation for bokeh preview 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 BokehPreviewExtenderImpl implements PreviewExtenderImpl { |
| 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_SHADE; |
| |
| SettableCaptureStage mCaptureStage; |
| |
| /** |
| * @hide |
| */ |
| public BokehPreviewExtenderImpl() {} |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public void init(String cameraId, CameraCharacteristics cameraCharacteristics) { |
| mCaptureStage = new SettableCaptureStage(DEFAULT_STAGE_ID); |
| mCaptureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, |
| CaptureRequest.CONTROL_AWB_MODE_AUTO); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public boolean isExtensionAvailable(String cameraId, |
| CameraCharacteristics cameraCharacteristics) { |
| // Implement the logic to check whether the extension function is supported or not. |
| |
| if (cameraCharacteristics == null) { |
| return false; |
| } |
| |
| return CameraCharacteristicAvailability.isWBModeAvailable(cameraCharacteristics, MODE); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public CaptureStageImpl getCaptureStage() { |
| return mCaptureStage; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public ProcessorType getProcessorType() { |
| return ProcessorType.PROCESSOR_TYPE_REQUEST_UPDATE_ONLY; |
| } |
| |
| /** |
| * @hide |
| */ |
| // Switches effect every 90 frames |
| private RequestUpdateProcessorImpl mRequestUpdateProcessor = new RequestUpdateProcessorImpl() { |
| private int mFrameCount = 0; |
| private Integer mWBMode = CaptureRequest.CONTROL_AWB_MODE_AUTO; |
| |
| @Override |
| public CaptureStageImpl process(TotalCaptureResult result) { |
| mFrameCount++; |
| if (mFrameCount % 90 == 0) { |
| mCaptureStage = new SettableCaptureStage(DEFAULT_STAGE_ID); |
| switch (mWBMode) { |
| case CaptureRequest.CONTROL_AWB_MODE_AUTO: |
| mWBMode = MODE; |
| break; |
| case MODE: |
| mWBMode = CaptureRequest.CONTROL_AWB_MODE_AUTO; |
| break; |
| default: |
| } |
| mCaptureStage.addCaptureRequestParameters(CaptureRequest.CONTROL_AWB_MODE, |
| mWBMode); |
| mFrameCount = 0; |
| |
| return mCaptureStage; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void onOutputSurface(Surface surface, int imageFormat) {} |
| |
| @Override |
| public void onResolutionUpdate(Size size) {} |
| |
| @Override |
| public void onImageFormatUpdate(int imageFormat) {} |
| }; |
| |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public ProcessorImpl getProcessor() { |
| return mRequestUpdateProcessor; |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public List<Pair<Integer, Size[]>> getSupportedResolutions() { |
| return null; |
| } |
| |
| /** |
| * @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; |
| } |
| } |