132 lines
4.5 KiB
Java
132 lines
4.5 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.camera2.impl;
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import android.hardware.camera2.CameraCaptureSession;
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import android.hardware.camera2.CameraDevice;
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import android.hardware.camera2.CaptureFailure;
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import android.hardware.camera2.CaptureRequest;
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import android.hardware.camera2.CaptureResult;
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import android.hardware.camera2.TotalCaptureResult;
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import android.view.Surface;
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import java.util.concurrent.Executor;
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/**
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* <p>An internal callback for tracking the progress of a {@link CaptureRequest}
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* submitted to the camera device.</p>
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*/
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public abstract class CaptureCallback {
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private Executor mExecutor;
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private CameraCaptureSession.CaptureCallback mCallback;
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public CaptureCallback(Executor executor, CameraCaptureSession.CaptureCallback callback) {
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mExecutor = executor;
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mCallback = callback;
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}
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/**
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* Retrieve callback executor
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*
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*/
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public Executor getExecutor() {
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return mExecutor;
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}
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/**
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* Retrieve capture callback
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*
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*/
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public CameraCaptureSession.CaptureCallback getSessionCallback() {
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return mCallback;
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}
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/**
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* This method is called when the camera device has started capturing
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* the output image for the request, at the beginning of image exposure.
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*
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* @see android.media.MediaActionSound
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*/
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public abstract void onCaptureStarted(CameraDevice camera,
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CaptureRequest request, long timestamp, long frameNumber);
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/**
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* This method is called when the camera device has started reading out the output
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* image for the request, at the beginning of the sensor image readout.
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*/
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public abstract void onReadoutStarted(CameraDevice camera,
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CaptureRequest request, long timestamp, long frameNumber);
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/**
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* This method is called when some results from an image capture are
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* available.
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*
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* @hide
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*/
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public abstract void onCapturePartial(CameraDevice camera,
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CaptureRequest request, CaptureResult result);
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/**
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* This method is called when an image capture makes partial forward progress; some
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* (but not all) results from an image capture are available.
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*
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*/
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public abstract void onCaptureProgressed(CameraDevice camera,
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CaptureRequest request, CaptureResult partialResult);
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/**
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* This method is called when an image capture has fully completed and all the
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* result metadata is available.
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*/
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public abstract void onCaptureCompleted(CameraDevice camera,
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CaptureRequest request, TotalCaptureResult result);
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/**
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* This method is called instead of {@link #onCaptureCompleted} when the
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* camera device failed to produce a {@link CaptureResult} for the
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* request.
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*/
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public abstract void onCaptureFailed(CameraDevice camera,
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CaptureRequest request, CaptureFailure failure);
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/**
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* This method is called independently of the others in CaptureCallback,
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* when a capture sequence finishes and all {@link CaptureResult}
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* or {@link CaptureFailure} for it have been returned via this callback.
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*/
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public abstract void onCaptureSequenceCompleted(CameraDevice camera,
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int sequenceId, long frameNumber);
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/**
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* This method is called independently of the others in CaptureCallback,
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* when a capture sequence aborts before any {@link CaptureResult}
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* or {@link CaptureFailure} for it have been returned via this callback.
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*/
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public abstract void onCaptureSequenceAborted(CameraDevice camera,
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int sequenceId);
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/**
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* This method is called independently of the others in CaptureCallback, if an output buffer
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* is dropped for a particular capture request.
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*
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* Loss of metadata is communicated via onCaptureFailed, independently of any buffer loss.
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*/
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public abstract void onCaptureBufferLost(CameraDevice camera,
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CaptureRequest request, Surface target, long frameNumber);
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}
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