| /* |
| * 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.CaptureRequest; |
| import android.hardware.camera2.utils.SubmitInfo; |
| |
| import java.util.List; |
| |
| /** |
| * This class holds a capture ID and its expected last regular, zslStill, and reprocess |
| * frame number. |
| */ |
| public class RequestLastFrameNumbersHolder { |
| // request ID |
| private final int mRequestId; |
| // The last regular frame number for this request ID. It's |
| // CaptureCallback.NO_FRAMES_CAPTURED if the request ID has no regular request. |
| private final long mLastRegularFrameNumber; |
| // The last reprocess frame number for this request ID. It's |
| // CaptureCallback.NO_FRAMES_CAPTURED if the request ID has no reprocess request. |
| private final long mLastReprocessFrameNumber; |
| // The last ZSL still capture frame number for this request ID. It's |
| // CaptureCallback.NO_FRAMES_CAPTURED if the request ID has no zsl request. |
| private final long mLastZslStillFrameNumber; |
| |
| /** |
| * Create a request-last-frame-numbers holder with a list of requests, request ID, and |
| * the last frame number returned by camera service. |
| */ |
| public RequestLastFrameNumbersHolder(List<CaptureRequest> requestList, SubmitInfo requestInfo) { |
| long lastRegularFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| long lastReprocessFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| long lastZslStillFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| long frameNumber = requestInfo.getLastFrameNumber(); |
| |
| if (requestInfo.getLastFrameNumber() < requestList.size() - 1) { |
| throw new IllegalArgumentException( |
| "lastFrameNumber: " + requestInfo.getLastFrameNumber() + |
| " should be at least " + (requestList.size() - 1) + " for the number of " + |
| " requests in the list: " + requestList.size()); |
| } |
| |
| // find the last regular, zslStill, and reprocess frame number |
| for (int i = requestList.size() - 1; i >= 0; i--) { |
| CaptureRequest request = requestList.get(i); |
| int requestType = request.getRequestType(); |
| if (requestType == CaptureRequest.REQUEST_TYPE_REPROCESS |
| && lastReprocessFrameNumber == |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| lastReprocessFrameNumber = frameNumber; |
| } else if (requestType == CaptureRequest.REQUEST_TYPE_ZSL_STILL |
| && lastZslStillFrameNumber == |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| lastZslStillFrameNumber = frameNumber; |
| } else if (requestType == CaptureRequest.REQUEST_TYPE_REGULAR |
| && lastRegularFrameNumber == |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| lastRegularFrameNumber = frameNumber; |
| } |
| |
| if (lastReprocessFrameNumber != CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED |
| && lastZslStillFrameNumber != |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED |
| && lastRegularFrameNumber != |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| break; |
| } |
| |
| frameNumber--; |
| } |
| |
| mLastRegularFrameNumber = lastRegularFrameNumber; |
| mLastReprocessFrameNumber = lastReprocessFrameNumber; |
| mLastZslStillFrameNumber = lastZslStillFrameNumber; |
| mRequestId = requestInfo.getRequestId(); |
| } |
| |
| /** |
| * Create a request-last-frame-numbers holder with a request ID and last regular/ZslStill |
| * frame number. |
| */ |
| RequestLastFrameNumbersHolder(int requestId, long lastFrameNumber, |
| int[] repeatingRequestTypes) { |
| long lastRegularFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| long lastZslStillFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| |
| if (repeatingRequestTypes == null) { |
| throw new IllegalArgumentException( |
| "repeatingRequest list must not be null"); |
| } |
| if (lastFrameNumber < repeatingRequestTypes.length - 1) { |
| throw new IllegalArgumentException( |
| "lastFrameNumber: " + lastFrameNumber + " should be at least " |
| + (repeatingRequestTypes.length - 1) |
| + " for the number of requests in the list: " |
| + repeatingRequestTypes.length); |
| } |
| |
| long frameNumber = lastFrameNumber; |
| for (int i = repeatingRequestTypes.length - 1; i >= 0; i--) { |
| if (repeatingRequestTypes[i] == CaptureRequest.REQUEST_TYPE_ZSL_STILL |
| && lastZslStillFrameNumber == |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| lastZslStillFrameNumber = frameNumber; |
| } else if (repeatingRequestTypes[i] == CaptureRequest.REQUEST_TYPE_REGULAR |
| && lastRegularFrameNumber == |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| lastRegularFrameNumber = frameNumber; |
| } |
| |
| if (lastZslStillFrameNumber != CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED |
| && lastRegularFrameNumber != |
| CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED) { |
| break; |
| } |
| |
| frameNumber--; |
| } |
| |
| mLastRegularFrameNumber = lastRegularFrameNumber; |
| mLastZslStillFrameNumber = lastZslStillFrameNumber; |
| mLastReprocessFrameNumber = CameraCaptureSession.CaptureCallback.NO_FRAMES_CAPTURED; |
| mRequestId = requestId; |
| } |
| |
| /** |
| * Return the last regular frame number. Return CaptureCallback.NO_FRAMES_CAPTURED if |
| * it contains no regular request. |
| */ |
| public long getLastRegularFrameNumber() { |
| return mLastRegularFrameNumber; |
| } |
| |
| /** |
| * Return the last reprocess frame number. Return CaptureCallback.NO_FRAMES_CAPTURED if |
| * it contains no reprocess request. |
| */ |
| public long getLastReprocessFrameNumber() { |
| return mLastReprocessFrameNumber; |
| } |
| |
| /** |
| * Return the last ZslStill frame number. Return CaptureCallback.NO_FRAMES_CAPTURED if |
| * it contains no Zsl request. |
| */ |
| public long getLastZslStillFrameNumber() { |
| return mLastZslStillFrameNumber; |
| } |
| |
| /** |
| * Return the last frame number overall. |
| */ |
| public long getLastFrameNumber() { |
| return Math.max(mLastZslStillFrameNumber, |
| Math.max(mLastRegularFrameNumber, mLastReprocessFrameNumber)); |
| } |
| |
| /** |
| * Return the request ID. |
| */ |
| public int getRequestId() { |
| return mRequestId; |
| } |
| } |
| |