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/*
* 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;
// Whether the sequence is completed. (only consider capture result)
private boolean mSequenceCompleted;
// Whether the inflight request is completed. (consider result, buffers, and notifies)
private boolean mInflightCompleted;
/**
* 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();
mSequenceCompleted = false;
mInflightCompleted = false;
}
/**
* 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;
mSequenceCompleted = false;
mInflightCompleted = false;
}
/**
* 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;
}
/**
* Return whether the capture sequence is completed.
*/
public boolean isSequenceCompleted() {
return mSequenceCompleted;
}
/**
* Mark the capture sequence as completed.
*/
public void markSequenceCompleted() {
mSequenceCompleted = true;
}
/**
* Return whether the inflight capture is completed.
*/
public boolean isInflightCompleted() {
return mInflightCompleted;
}
/**
* Mark the inflight capture as completed.
*/
public void markInflightCompleted() {
mInflightCompleted = true;
}
}
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