| /* |
| * Copyright (C) 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 android.hardware.camera2.impl; |
| |
| import android.hardware.camera2.CameraCaptureSession; |
| import android.hardware.camera2.CameraDevice; |
| import android.hardware.camera2.CaptureFailure; |
| import android.hardware.camera2.CaptureRequest; |
| import android.hardware.camera2.CaptureResult; |
| import android.hardware.camera2.TotalCaptureResult; |
| import android.view.Surface; |
| |
| import java.util.concurrent.Executor; |
| |
| /** |
| * <p>An internal callback for tracking the progress of a {@link CaptureRequest} |
| * submitted to the camera device.</p> |
| */ |
| public abstract class CaptureCallback { |
| |
| private Executor mExecutor; |
| private CameraCaptureSession.CaptureCallback mCallback; |
| |
| public CaptureCallback(Executor executor, CameraCaptureSession.CaptureCallback callback) { |
| mExecutor = executor; |
| mCallback = callback; |
| } |
| |
| /** |
| * Retrieve callback executor |
| * |
| */ |
| public Executor getExecutor() { |
| return mExecutor; |
| } |
| |
| /** |
| * Retrieve capture callback |
| * |
| */ |
| public CameraCaptureSession.CaptureCallback getSessionCallback() { |
| return mCallback; |
| } |
| |
| /** |
| * This method is called when the camera device has started capturing |
| * the output image for the request, at the beginning of image exposure. |
| * |
| * @see android.media.MediaActionSound |
| */ |
| public abstract void onCaptureStarted(CameraDevice camera, |
| CaptureRequest request, long timestamp, long frameNumber); |
| |
| /** |
| * This method is called when some results from an image capture are |
| * available. |
| * |
| * @hide |
| */ |
| public abstract void onCapturePartial(CameraDevice camera, |
| CaptureRequest request, CaptureResult result); |
| |
| /** |
| * This method is called when an image capture makes partial forward progress; some |
| * (but not all) results from an image capture are available. |
| * |
| */ |
| public abstract void onCaptureProgressed(CameraDevice camera, |
| CaptureRequest request, CaptureResult partialResult); |
| |
| /** |
| * This method is called when an image capture has fully completed and all the |
| * result metadata is available. |
| */ |
| public abstract void onCaptureCompleted(CameraDevice camera, |
| CaptureRequest request, TotalCaptureResult result); |
| |
| /** |
| * This method is called instead of {@link #onCaptureCompleted} when the |
| * camera device failed to produce a {@link CaptureResult} for the |
| * request. |
| */ |
| public abstract void onCaptureFailed(CameraDevice camera, |
| CaptureRequest request, CaptureFailure failure); |
| |
| /** |
| * This method is called independently of the others in CaptureCallback, |
| * when a capture sequence finishes and all {@link CaptureResult} |
| * or {@link CaptureFailure} for it have been returned via this callback. |
| */ |
| public abstract void onCaptureSequenceCompleted(CameraDevice camera, |
| int sequenceId, long frameNumber); |
| |
| /** |
| * This method is called independently of the others in CaptureCallback, |
| * when a capture sequence aborts before any {@link CaptureResult} |
| * or {@link CaptureFailure} for it have been returned via this callback. |
| */ |
| public abstract void onCaptureSequenceAborted(CameraDevice camera, |
| int sequenceId); |
| |
| /** |
| * This method is called independently of the others in CaptureCallback, if an output buffer |
| * is dropped for a particular capture request. |
| * |
| * Loss of metadata is communicated via onCaptureFailed, independently of any buffer loss. |
| */ |
| public abstract void onCaptureBufferLost(CameraDevice camera, |
| CaptureRequest request, Surface target, long frameNumber); |
| } |