| /* |
| * Copyright (C) 2014 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.one.v2.photo; |
| |
| import android.hardware.camera2.CameraDevice; |
| |
| import com.android.camera.async.MainThread; |
| import com.android.camera.debug.Logger; |
| import com.android.camera.one.OneCamera; |
| import com.android.camera.one.v2.commands.CameraCommandExecutor; |
| import com.android.camera.one.v2.core.FrameServer; |
| import com.android.camera.one.v2.core.RequestBuilder; |
| import com.android.camera.one.v2.imagesaver.ImageSaver; |
| import com.android.camera.one.v2.sharedimagereader.ManagedImageReader; |
| import com.google.common.base.Supplier; |
| |
| import java.util.Arrays; |
| |
| public final class PictureTakerFactory { |
| private final PictureTakerImpl mPictureTaker; |
| |
| private PictureTakerFactory(PictureTakerImpl pictureTaker) { |
| mPictureTaker = pictureTaker; |
| } |
| |
| public static PictureTakerFactory create(Logger.Factory logFactory, MainThread mainExecutor, |
| CameraCommandExecutor commandExecutor, |
| ImageSaver.Builder imageSaverBuilder, |
| FrameServer frameServer, |
| RequestBuilder.Factory rootRequestBuilder, |
| ManagedImageReader sharedImageReader, |
| Supplier<OneCamera.PhotoCaptureParameters.Flash> flashMode) { |
| // When flash is ON, always use the ConvergedImageCaptureCommand which |
| // performs the AF & AE precapture sequence. |
| ImageCaptureCommand flashOnCommand = new ConvergedImageCaptureCommand( |
| sharedImageReader, frameServer, rootRequestBuilder, |
| CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, |
| Arrays.asList(rootRequestBuilder), true /* ae */, true /* af */); |
| |
| // When flash is OFF, wait for AF convergence, but not AE convergence |
| // (which can be very slow). |
| ImageCaptureCommand flashOffCommand = new ConvergedImageCaptureCommand( |
| sharedImageReader, frameServer, rootRequestBuilder, |
| CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, |
| Arrays.asList(rootRequestBuilder), false /* ae */, true /* af */); |
| |
| // When flash is AUTO, wait for AF & AE. |
| // TODO OPTIMIZE If the last converged-AE state indicates that flash is |
| // not necessary, then this could skip waiting for AE convergence. |
| ImageCaptureCommand flashAutoCommand = new ConvergedImageCaptureCommand( |
| sharedImageReader, frameServer, rootRequestBuilder, |
| CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG, |
| Arrays.asList(rootRequestBuilder), true /* ae */, true /* af */); |
| |
| ImageCaptureCommand flashBasedCommand = new FlashBasedPhotoCommand(logFactory, flashMode, |
| flashOnCommand, flashAutoCommand, flashOffCommand); |
| return new PictureTakerFactory(new PictureTakerImpl(mainExecutor, commandExecutor, |
| imageSaverBuilder, flashBasedCommand)); |
| } |
| |
| public PictureTaker providePictureTaker() { |
| return mPictureTaker; |
| } |
| } |