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/*
* Copyright (C) 2015 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "ACameraDevice"
#include <vector>
#include <inttypes.h>
#include <android/hardware/ICameraService.h>
#include <gui/Surface.h>
#include "ACameraDevice.h"
#include "ACameraMetadata.h"
#include "ACaptureRequest.h"
#include "ACameraCaptureSession.h"
#include "ACameraCaptureSession.inc"
ACameraDevice::~ACameraDevice() {
mDevice->stopLooperAndDisconnect();
}
namespace android {
namespace acam {
// Static member definitions
const char* CameraDevice::kContextKey = "Context";
const char* CameraDevice::kDeviceKey = "Device";
const char* CameraDevice::kErrorCodeKey = "ErrorCode";
const char* CameraDevice::kCallbackFpKey = "Callback";
const char* CameraDevice::kSessionSpKey = "SessionSp";
const char* CameraDevice::kCaptureRequestKey = "CaptureRequest";
const char* CameraDevice::kTimeStampKey = "TimeStamp";
const char* CameraDevice::kCaptureResultKey = "CaptureResult";
const char* CameraDevice::kPhysicalCaptureResultKey = "PhysicalCaptureResult";
const char* CameraDevice::kCaptureFailureKey = "CaptureFailure";
const char* CameraDevice::kSequenceIdKey = "SequenceId";
const char* CameraDevice::kFrameNumberKey = "FrameNumber";
const char* CameraDevice::kAnwKey = "Anw";
const char* CameraDevice::kFailingPhysicalCameraId= "FailingPhysicalCameraId";
/**
* CameraDevice Implementation
*/
CameraDevice::CameraDevice(
const char* id,
ACameraDevice_StateCallbacks* cb,
sp<ACameraMetadata> chars,
ACameraDevice* wrapper) :
mCameraId(id),
mAppCallbacks(*cb),
mChars(chars),
mServiceCallback(new ServiceCallback(this)),
mWrapper(wrapper),
mInError(false),
mError(ACAMERA_OK),
mIdle(true),
mCurrentSession(nullptr) {
mClosing = false;
// Setup looper thread to perfrom device callbacks to app
mCbLooper = new ALooper;
mCbLooper->setName("C2N-dev-looper");
status_t err = mCbLooper->start(
/*runOnCallingThread*/false,
/*canCallJava*/ true,
PRIORITY_DEFAULT);
if (err != OK) {
ALOGE("%s: Unable to start camera device callback looper: %s (%d)",
__FUNCTION__, strerror(-err), err);
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_DEVICE);
}
mHandler = new CallbackHandler(id);
mCbLooper->registerHandler(mHandler);
const CameraMetadata& metadata = mChars->getInternalData();
camera_metadata_ro_entry entry = metadata.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT);
if (entry.count != 1) {
ALOGW("%s: bad count %zu for partial result count", __FUNCTION__, entry.count);
mPartialResultCount = 1;
} else {
mPartialResultCount = entry.data.i32[0];
}
entry = metadata.find(ANDROID_LENS_INFO_SHADING_MAP_SIZE);
if (entry.count != 2) {
ALOGW("%s: bad count %zu for shading map size", __FUNCTION__, entry.count);
mShadingMapSize[0] = 0;
mShadingMapSize[1] = 0;
} else {
mShadingMapSize[0] = entry.data.i32[0];
mShadingMapSize[1] = entry.data.i32[1];
}
size_t physicalIdCnt = 0;
const char*const* physicalCameraIds;
if (mChars->isLogicalMultiCamera(&physicalIdCnt, &physicalCameraIds)) {
for (size_t i = 0; i < physicalIdCnt; i++) {
mPhysicalIds.push_back(physicalCameraIds[i]);
}
}
}
CameraDevice::~CameraDevice() { }
void
CameraDevice::postSessionMsgAndCleanup(sp<AMessage>& msg) {
msg->post();
msg.clear();
sp<AMessage> cleanupMsg = new AMessage(kWhatCleanUpSessions, mHandler);
cleanupMsg->post();
}
// TODO: cached created request?
camera_status_t
CameraDevice::createCaptureRequest(
ACameraDevice_request_template templateId,
const ACameraIdList* physicalIdList,
ACaptureRequest** request) const {
Mutex::Autolock _l(mDeviceLock);
if (physicalIdList != nullptr) {
if (physicalIdList->numCameras > static_cast<int>(mPhysicalIds.size())) {
ALOGE("%s: physicalIdList size %d exceeds number of available physical cameras %zu",
__FUNCTION__, physicalIdList->numCameras, mPhysicalIds.size());
return ACAMERA_ERROR_INVALID_PARAMETER;
}
for (auto i = 0; i < physicalIdList->numCameras; i++) {
if (physicalIdList->cameraIds[i] == nullptr) {
ALOGE("%s: physicalId is null!", __FUNCTION__);
return ACAMERA_ERROR_INVALID_PARAMETER;
}
if (mPhysicalIds.end() == std::find(
mPhysicalIds.begin(), mPhysicalIds.end(), physicalIdList->cameraIds[i])) {
ALOGE("%s: Invalid physicalId %s!", __FUNCTION__, physicalIdList->cameraIds[i]);
return ACAMERA_ERROR_INVALID_PARAMETER;
}
}
}
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
return ret;
}
if (mRemote == nullptr) {
return ACAMERA_ERROR_CAMERA_DISCONNECTED;
}
CameraMetadata rawRequest;
binder::Status remoteRet = mRemote->createDefaultRequest(templateId, &rawRequest);
if (remoteRet.serviceSpecificErrorCode() ==
hardware::ICameraService::ERROR_ILLEGAL_ARGUMENT) {
ALOGW("Create capture request failed! template %d is not supported on this device",
templateId);
return ACAMERA_ERROR_INVALID_PARAMETER;
} else if (!remoteRet.isOk()) {
ALOGE("Create capture request failed: %s", remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
ACaptureRequest* outReq = new ACaptureRequest();
outReq->settings = new ACameraMetadata(rawRequest.release(), ACameraMetadata::ACM_REQUEST);
if (physicalIdList != nullptr) {
for (auto i = 0; i < physicalIdList->numCameras; i++) {
outReq->physicalSettings.emplace(physicalIdList->cameraIds[i],
new ACameraMetadata(*(outReq->settings)));
}
}
outReq->targets = new ACameraOutputTargets();
*request = outReq;
return ACAMERA_OK;
}
camera_status_t
CameraDevice::createCaptureSession(
const ACaptureSessionOutputContainer* outputs,
const ACaptureRequest* sessionParameters,
const ACameraCaptureSession_stateCallbacks* callbacks,
/*out*/ACameraCaptureSession** session) {
nsecs_t startTimeNs = systemTime();
sp<ACameraCaptureSession> currentSession = mCurrentSession.promote();
Mutex::Autolock _l(mDeviceLock);
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
return ret;
}
if (currentSession != nullptr) {
currentSession->closeByDevice();
stopRepeatingLocked();
}
// Create new session
ret = configureStreamsLocked(outputs, sessionParameters, startTimeNs);
if (ret != ACAMERA_OK) {
ALOGE("Fail to create new session. cannot configure streams");
return ret;
}
ACameraCaptureSession* newSession = new ACameraCaptureSession(
mNextSessionId++, outputs, callbacks, this);
// set new session as current session
newSession->incStrong((void *) ACameraDevice_createCaptureSession);
mCurrentSession = newSession;
mFlushing = false;
*session = newSession;
return ACAMERA_OK;
}
camera_status_t CameraDevice::isSessionConfigurationSupported(
const ACaptureSessionOutputContainer* sessionOutputContainer) const {
Mutex::Autolock _l(mDeviceLock);
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
return ret;
}
SessionConfiguration sessionConfiguration(0 /*inputWidth*/, 0 /*inputHeight*/,
-1 /*inputFormat*/, CAMERA3_STREAM_CONFIGURATION_NORMAL_MODE);
for (const auto& output : sessionOutputContainer->mOutputs) {
sp<IGraphicBufferProducer> iGBP(nullptr);
ret = getIGBPfromAnw(output.mWindow, iGBP);
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s failed to extract graphic producer from native window",
getId());
return ret;
}
String16 physicalId16(output.mPhysicalCameraId.c_str());
OutputConfiguration outConfig(iGBP, output.mRotation, physicalId16,
OutputConfiguration::INVALID_SET_ID, true);
for (auto& anw : output.mSharedWindows) {
ret = getIGBPfromAnw(anw, iGBP);
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s failed to extract graphic producer from native window",
getId());
return ret;
}
outConfig.addGraphicProducer(iGBP);
}
sessionConfiguration.addOutputConfiguration(outConfig);
}
bool supported = false;
binder::Status remoteRet = mRemote->isSessionConfigurationSupported(
sessionConfiguration, &supported);
if (remoteRet.serviceSpecificErrorCode() ==
hardware::ICameraService::ERROR_INVALID_OPERATION) {
return ACAMERA_ERROR_UNSUPPORTED_OPERATION;
} else if (!remoteRet.isOk()) {
return ACAMERA_ERROR_UNKNOWN;
} else {
return supported ? ACAMERA_OK : ACAMERA_ERROR_STREAM_CONFIGURE_FAIL;
}
}
camera_status_t CameraDevice::updateOutputConfigurationLocked(ACaptureSessionOutput *output) {
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
return ret;
}
if (output == nullptr) {
return ACAMERA_ERROR_INVALID_PARAMETER;
}
if (!output->mIsShared) {
ALOGE("Error output configuration is not shared");
return ACAMERA_ERROR_INVALID_OPERATION;
}
int32_t streamId = -1;
for (auto& kvPair : mConfiguredOutputs) {
if (kvPair.second.first == output->mWindow) {
streamId = kvPair.first;
break;
}
}
if (streamId < 0) {
ALOGE("Error: Invalid output configuration");
return ACAMERA_ERROR_INVALID_PARAMETER;
}
sp<IGraphicBufferProducer> iGBP(nullptr);
ret = getIGBPfromAnw(output->mWindow, iGBP);
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s failed to extract graphic producer from native window",
getId());
return ret;
}
String16 physicalId16(output->mPhysicalCameraId.c_str());
OutputConfiguration outConfig(iGBP, output->mRotation, physicalId16,
OutputConfiguration::INVALID_SET_ID, true);
for (auto& anw : output->mSharedWindows) {
ret = getIGBPfromAnw(anw, iGBP);
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s failed to extract graphic producer from native window",
getId());
return ret;
}
outConfig.addGraphicProducer(iGBP);
}
auto remoteRet = mRemote->updateOutputConfiguration(streamId, outConfig);
if (!remoteRet.isOk()) {
switch (remoteRet.serviceSpecificErrorCode()) {
case hardware::ICameraService::ERROR_INVALID_OPERATION:
ALOGE("Camera device %s invalid operation: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_INVALID_OPERATION;
break;
case hardware::ICameraService::ERROR_ALREADY_EXISTS:
ALOGE("Camera device %s output surface already exists: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_INVALID_PARAMETER;
break;
case hardware::ICameraService::ERROR_ILLEGAL_ARGUMENT:
ALOGE("Camera device %s invalid input argument: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_INVALID_PARAMETER;
break;
default:
ALOGE("Camera device %s failed to add shared output: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
}
mConfiguredOutputs[streamId] = std::make_pair(output->mWindow, outConfig);
return ACAMERA_OK;
}
camera_status_t
CameraDevice::allocateCaptureRequest(
const ACaptureRequest* request, /*out*/sp<CaptureRequest>& outReq) {
camera_status_t ret;
sp<CaptureRequest> req(new CaptureRequest());
req->mPhysicalCameraSettings.push_back({getId(),
request->settings->getInternalData()});
for (auto& entry : request->physicalSettings) {
req->mPhysicalCameraSettings.push_back({entry.first,
entry.second->getInternalData()});
}
req->mIsReprocess = false; // NDK does not support reprocessing yet
req->mContext = request->context;
req->mSurfaceConverted = true; // set to true, and fill in stream/surface idx to speed up IPC
for (auto outputTarget : request->targets->mOutputs) {
ANativeWindow* anw = outputTarget.mWindow;
sp<Surface> surface;
ret = getSurfaceFromANativeWindow(anw, surface);
if (ret != ACAMERA_OK) {
ALOGE("Bad output target in capture request! ret %d", ret);
return ret;
}
req->mSurfaceList.push_back(surface);
bool found = false;
// lookup stream/surface ID
for (const auto& kvPair : mConfiguredOutputs) {
int streamId = kvPair.first;
const OutputConfiguration& outConfig = kvPair.second.second;
const auto& gbps = outConfig.getGraphicBufferProducers();
for (int surfaceId = 0; surfaceId < (int) gbps.size(); surfaceId++) {
if (gbps[surfaceId] == surface->getIGraphicBufferProducer()) {
found = true;
req->mStreamIdxList.push_back(streamId);
req->mSurfaceIdxList.push_back(surfaceId);
break;
}
}
if (found) {
break;
}
}
if (!found) {
ALOGE("Unconfigured output target %p in capture request!", anw);
return ret;
}
}
outReq = req;
return ACAMERA_OK;
}
ACaptureRequest*
CameraDevice::allocateACaptureRequest(sp<CaptureRequest>& req, const std::string& deviceId) {
ACaptureRequest* pRequest = new ACaptureRequest();
for (auto& entry : req->mPhysicalCameraSettings) {
CameraMetadata clone = entry.settings;
if (entry.id == deviceId) {
pRequest->settings = new ACameraMetadata(clone.release(), ACameraMetadata::ACM_REQUEST);
} else {
pRequest->physicalSettings.emplace(entry.id,
new ACameraMetadata(clone.release(), ACameraMetadata::ACM_REQUEST));
}
}
pRequest->targets = new ACameraOutputTargets();
for (size_t i = 0; i < req->mSurfaceList.size(); i++) {
ANativeWindow* anw = static_cast<ANativeWindow*>(req->mSurfaceList[i].get());
ACameraOutputTarget outputTarget(anw);
pRequest->targets->mOutputs.insert(outputTarget);
}
pRequest->context = req->mContext;
return pRequest;
}
void
CameraDevice::freeACaptureRequest(ACaptureRequest* req) {
if (req == nullptr) {
return;
}
req->settings.clear();
req->physicalSettings.clear();
delete req->targets;
delete req;
}
void
CameraDevice::notifySessionEndOfLifeLocked(ACameraCaptureSession* session) {
if (isClosed()) {
// Device is closing already. do nothing
return;
}
if (mCurrentSession != session) {
// Session has been replaced by other seesion or device is closed
return;
}
mCurrentSession = nullptr;
// Should not happen
if (!session->mIsClosed) {
ALOGE("Error: unclosed session %p reaches end of life!", session);
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_DEVICE);
return;
}
// No new session, unconfigure now
// Note: The unconfiguration of session won't be accounted for session
// latency because a stream configuration with 0 streams won't ever become
// active.
nsecs_t startTimeNs = systemTime();
camera_status_t ret = configureStreamsLocked(nullptr, nullptr, startTimeNs);
if (ret != ACAMERA_OK) {
ALOGE("Unconfigure stream failed. Device might still be configured! ret %d", ret);
}
}
void
CameraDevice::disconnectLocked(sp<ACameraCaptureSession>& session) {
if (mClosing.exchange(true)) {
// Already closing, just return
ALOGW("Camera device %s is already closing.", getId());
return;
}
if (mRemote != nullptr) {
mRemote->disconnect();
}
mRemote = nullptr;
if (session != nullptr) {
session->closeByDevice();
}
}
camera_status_t
CameraDevice::stopRepeatingLocked() {
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
ALOGE("Camera %s stop repeating failed! ret %d", getId(), ret);
return ret;
}
if (mRepeatingSequenceId != REQUEST_ID_NONE) {
int repeatingSequenceId = mRepeatingSequenceId;
mRepeatingSequenceId = REQUEST_ID_NONE;
int64_t lastFrameNumber;
binder::Status remoteRet = mRemote->cancelRequest(repeatingSequenceId, &lastFrameNumber);
if (remoteRet.serviceSpecificErrorCode() ==
hardware::ICameraService::ERROR_ILLEGAL_ARGUMENT) {
ALOGV("Repeating request is already stopped.");
return ACAMERA_OK;
} else if (!remoteRet.isOk()) {
ALOGE("Stop repeating request fails in remote: %s", remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
checkRepeatingSequenceCompleteLocked(repeatingSequenceId, lastFrameNumber);
}
return ACAMERA_OK;
}
camera_status_t
CameraDevice::flushLocked(ACameraCaptureSession* session) {
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
ALOGE("Camera %s abort captures failed! ret %d", getId(), ret);
return ret;
}
// This should never happen because creating a new session will close
// previous one and thus reject any API call from previous session.
// But still good to check here in case something unexpected happen.
if (mCurrentSession != session) {
ALOGE("Camera %s session %p is not current active session!", getId(), session);
return ACAMERA_ERROR_INVALID_OPERATION;
}
if (mFlushing) {
ALOGW("Camera %s is already aborting captures", getId());
return ACAMERA_OK;
}
mFlushing = true;
// Send onActive callback to guarantee there is always active->ready transition
sp<AMessage> msg = new AMessage(kWhatSessionStateCb, mHandler);
msg->setPointer(kContextKey, session->mUserSessionCallback.context);
msg->setObject(kSessionSpKey, session);
msg->setPointer(kCallbackFpKey, (void*) session->mUserSessionCallback.onActive);
postSessionMsgAndCleanup(msg);
// If device is already idling, send callback and exit early
if (mIdle) {
sp<AMessage> msg = new AMessage(kWhatSessionStateCb, mHandler);
msg->setPointer(kContextKey, session->mUserSessionCallback.context);
msg->setObject(kSessionSpKey, session);
msg->setPointer(kCallbackFpKey, (void*) session->mUserSessionCallback.onReady);
postSessionMsgAndCleanup(msg);
mFlushing = false;
return ACAMERA_OK;
}
int64_t lastFrameNumber;
binder::Status remoteRet = mRemote->flush(&lastFrameNumber);
if (!remoteRet.isOk()) {
ALOGE("Abort captures fails in remote: %s", remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
if (mRepeatingSequenceId != REQUEST_ID_NONE) {
checkRepeatingSequenceCompleteLocked(mRepeatingSequenceId, lastFrameNumber);
}
return ACAMERA_OK;
}
camera_status_t
CameraDevice::waitUntilIdleLocked() {
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
ALOGE("Wait until camera %s idle failed! ret %d", getId(), ret);
return ret;
}
if (mRepeatingSequenceId != REQUEST_ID_NONE) {
ALOGE("Camera device %s won't go to idle when there is repeating request!", getId());
return ACAMERA_ERROR_INVALID_OPERATION;
}
binder::Status remoteRet = mRemote->waitUntilIdle();
if (!remoteRet.isOk()) {
ALOGE("Camera device %s waitUntilIdle failed: %s", getId(), remoteRet.toString8().string());
// TODO: define a function to convert status_t -> camera_status_t
return ACAMERA_ERROR_UNKNOWN;
}
return ACAMERA_OK;
}
camera_status_t
CameraDevice::getIGBPfromAnw(
ANativeWindow* anw,
sp<IGraphicBufferProducer>& out) {
sp<Surface> surface;
camera_status_t ret = getSurfaceFromANativeWindow(anw, surface);
if (ret != ACAMERA_OK) {
return ret;
}
out = surface->getIGraphicBufferProducer();
return ACAMERA_OK;
}
camera_status_t
CameraDevice::getSurfaceFromANativeWindow(
ANativeWindow* anw, sp<Surface>& out) {
if (anw == nullptr) {
ALOGE("Error: output ANativeWindow is null");
return ACAMERA_ERROR_INVALID_PARAMETER;
}
int value;
int err = (*anw->query)(anw, NATIVE_WINDOW_CONCRETE_TYPE, &value);
if (err != OK || value != NATIVE_WINDOW_SURFACE) {
ALOGE("Error: ANativeWindow is not backed by Surface!");
return ACAMERA_ERROR_INVALID_PARAMETER;
}
sp<Surface> surface(static_cast<Surface*>(anw));
out = surface;
return ACAMERA_OK;
}
camera_status_t
CameraDevice::configureStreamsLocked(const ACaptureSessionOutputContainer* outputs,
const ACaptureRequest* sessionParameters, nsecs_t startTimeNs) {
ACaptureSessionOutputContainer emptyOutput;
if (outputs == nullptr) {
outputs = &emptyOutput;
}
camera_status_t ret = checkCameraClosedOrErrorLocked();
if (ret != ACAMERA_OK) {
return ret;
}
std::set<std::pair<ANativeWindow*, OutputConfiguration>> outputSet;
for (const auto& outConfig : outputs->mOutputs) {
ANativeWindow* anw = outConfig.mWindow;
sp<IGraphicBufferProducer> iGBP(nullptr);
ret = getIGBPfromAnw(anw, iGBP);
if (ret != ACAMERA_OK) {
return ret;
}
String16 physicalId16(outConfig.mPhysicalCameraId.c_str());
outputSet.insert(std::make_pair(
anw, OutputConfiguration(iGBP, outConfig.mRotation, physicalId16,
OutputConfiguration::INVALID_SET_ID, outConfig.mIsShared)));
}
auto addSet = outputSet;
std::vector<int> deleteList;
// Determine which streams need to be created, which to be deleted
for (auto& kvPair : mConfiguredOutputs) {
int streamId = kvPair.first;
auto& outputPair = kvPair.second;
if (outputSet.count(outputPair) == 0) {
deleteList.push_back(streamId); // Need to delete a no longer needed stream
} else {
addSet.erase(outputPair); // No need to add already existing stream
}
}
ret = stopRepeatingLocked();
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s stop repeating failed, ret %d", getId(), ret);
return ret;
}
ret = waitUntilIdleLocked();
if (ret != ACAMERA_OK) {
ALOGE("Camera device %s wait until idle failed, ret %d", getId(), ret);
return ret;
}
// Send onReady to previous session
// CurrentSession will be updated after configureStreamLocked, so here
// mCurrentSession is the session to be replaced by a new session
if (!mIdle && mCurrentSession != nullptr) {
if (mBusySession != mCurrentSession) {
ALOGE("Current session != busy session");
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_DEVICE);
return ACAMERA_ERROR_CAMERA_DEVICE;
}
sp<AMessage> msg = new AMessage(kWhatSessionStateCb, mHandler);
msg->setPointer(kContextKey, mBusySession->mUserSessionCallback.context);
msg->setObject(kSessionSpKey, mBusySession);
msg->setPointer(kCallbackFpKey, (void*) mBusySession->mUserSessionCallback.onReady);
mBusySession.clear();
postSessionMsgAndCleanup(msg);
}
mIdle = true;
binder::Status remoteRet = mRemote->beginConfigure();
if (!remoteRet.isOk()) {
ALOGE("Camera device %s begin configure failed: %s", getId(), remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
// delete to-be-deleted streams
for (auto streamId : deleteList) {
remoteRet = mRemote->deleteStream(streamId);
if (!remoteRet.isOk()) {
ALOGE("Camera device %s failed to remove stream %d: %s", getId(), streamId,
remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
mConfiguredOutputs.erase(streamId);
}
// add new streams
for (const auto& outputPair : addSet) {
int streamId;
remoteRet = mRemote->createStream(outputPair.second, &streamId);
if (!remoteRet.isOk()) {
ALOGE("Camera device %s failed to create stream: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
mConfiguredOutputs.insert(std::make_pair(streamId, outputPair));
}
CameraMetadata params;
if ((sessionParameters != nullptr) && (sessionParameters->settings != nullptr)) {
params.append(sessionParameters->settings->getInternalData());
}
std::vector<int> offlineStreamIds;
remoteRet = mRemote->endConfigure(/*isConstrainedHighSpeed*/ false, params,
ns2ms(startTimeNs), &offlineStreamIds);
if (remoteRet.serviceSpecificErrorCode() == hardware::ICameraService::ERROR_ILLEGAL_ARGUMENT) {
ALOGE("Camera device %s cannnot support app output configuration: %s", getId(),
remoteRet.toString8().string());
return ACAMERA_ERROR_STREAM_CONFIGURE_FAIL;
} else if (!remoteRet.isOk()) {
ALOGE("Camera device %s end configure failed: %s", getId(), remoteRet.toString8().string());
return ACAMERA_ERROR_UNKNOWN;
}
return ACAMERA_OK;
}
void
CameraDevice::setRemoteDevice(sp<hardware::camera2::ICameraDeviceUser> remote) {
Mutex::Autolock _l(mDeviceLock);
mRemote = remote;
}
camera_status_t
CameraDevice::checkCameraClosedOrErrorLocked() const {
if (mRemote == nullptr) {
ALOGE("%s: camera device already closed", __FUNCTION__);
return ACAMERA_ERROR_CAMERA_DISCONNECTED;
}
if (mInError) {// triggered by onDeviceError
ALOGE("%s: camera device has encountered a serious error", __FUNCTION__);
return mError;
}
return ACAMERA_OK;
}
void
CameraDevice::setCameraDeviceErrorLocked(camera_status_t error) {
mInError = true;
mError = error;
return;
}
void
CameraDevice::FrameNumberTracker::updateTracker(int64_t frameNumber, bool isError) {
ALOGV("updateTracker frame %" PRId64 " isError %d", frameNumber, isError);
if (isError) {
mFutureErrorSet.insert(frameNumber);
} else if (frameNumber <= mCompletedFrameNumber) {
ALOGE("Frame number %" PRId64 " decreased! current fn %" PRId64,
frameNumber, mCompletedFrameNumber);
return;
} else {
if (frameNumber != mCompletedFrameNumber + 1) {
ALOGE("Frame number out of order. Expect %" PRId64 " but get %" PRId64,
mCompletedFrameNumber + 1, frameNumber);
// Do not assert as in java implementation
}
mCompletedFrameNumber = frameNumber;
}
update();
}
void
CameraDevice::FrameNumberTracker::update() {
for (auto it = mFutureErrorSet.begin(); it != mFutureErrorSet.end();) {
int64_t errorFrameNumber = *it;
if (errorFrameNumber == mCompletedFrameNumber + 1) {
mCompletedFrameNumber++;
it = mFutureErrorSet.erase(it);
} else if (errorFrameNumber <= mCompletedFrameNumber) {
// This should not happen, but deal with it anyway
ALOGE("Completd frame number passed through current frame number!");
// erase the old error since it's no longer useful
it = mFutureErrorSet.erase(it);
} else {
// Normal requests hasn't catched up error frames, just break
break;
}
}
ALOGV("Update complete frame %" PRId64, mCompletedFrameNumber);
}
void
CameraDevice::onCaptureErrorLocked(
int32_t errorCode,
const CaptureResultExtras& resultExtras) {
int sequenceId = resultExtras.requestId;
int64_t frameNumber = resultExtras.frameNumber;
int32_t burstId = resultExtras.burstId;
auto it = mSequenceCallbackMap.find(sequenceId);
if (it == mSequenceCallbackMap.end()) {
ALOGE("%s: Error: capture sequence index %d not found!",
__FUNCTION__, sequenceId);
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
return;
}
CallbackHolder cbh = (*it).second;
sp<ACameraCaptureSession> session = cbh.mSession;
if ((size_t) burstId >= cbh.mRequests.size()) {
ALOGE("%s: Error: request index %d out of bound (size %zu)",
__FUNCTION__, burstId, cbh.mRequests.size());
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
return;
}
sp<CaptureRequest> request = cbh.mRequests[burstId];
// Handle buffer error
if (errorCode == hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER) {
int32_t streamId = resultExtras.errorStreamId;
ACameraCaptureSession_captureCallback_bufferLost onBufferLost =
cbh.mOnCaptureBufferLost;
auto outputPairIt = mConfiguredOutputs.find(streamId);
if (outputPairIt == mConfiguredOutputs.end()) {
ALOGE("%s: Error: stream id %d does not exist", __FUNCTION__, streamId);
setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
return;
}
const auto& gbps = outputPairIt->second.second.getGraphicBufferProducers();
for (const auto& outGbp : gbps) {
for (const auto& surface : request->mSurfaceList) {
if (surface->getIGraphicBufferProducer() == outGbp) {
ANativeWindow* anw = static_cast<ANativeWindow*>(surface.get());
ALOGV("Camera %s Lost output buffer for ANW %p frame %" PRId64,
getId(), anw, frameNumber);
sp<AMessage> msg = new AMessage(kWhatCaptureBufferLost, mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, session);
msg->setPointer(kCallbackFpKey, (void*) onBufferLost);
msg->setObject(kCaptureRequestKey, request);
msg->setPointer(kAnwKey, (void*) anw);
msg->setInt64(kFrameNumberKey, frameNumber);
postSessionMsgAndCleanup(msg);
}
}
}
} else { // Handle other capture failures
// Fire capture failure callback if there is one registered
ACameraCaptureSession_captureCallback_failed onError = cbh.mOnCaptureFailed;
sp<CameraCaptureFailure> failure(new CameraCaptureFailure());
failure->frameNumber = frameNumber;
// TODO: refine this when implementing flush
failure->reason = CAPTURE_FAILURE_REASON_ERROR;
failure->sequenceId = sequenceId;
failure->wasImageCaptured = (errorCode ==
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_RESULT);
sp<AMessage> msg = new AMessage(cbh.mIsLogicalCameraCallback ? kWhatLogicalCaptureFail :
kWhatCaptureFail, mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, session);
if (cbh.mIsLogicalCameraCallback) {
if (resultExtras.errorPhysicalCameraId.size() > 0) {
String8 cameraId(resultExtras.errorPhysicalCameraId);
msg->setString(kFailingPhysicalCameraId, cameraId.string(), cameraId.size());
}
msg->setPointer(kCallbackFpKey, (void*) cbh.mOnLogicalCameraCaptureFailed);
} else {
msg->setPointer(kCallbackFpKey, (void*) onError);
}
msg->setObject(kCaptureRequestKey, request);
msg->setObject(kCaptureFailureKey, failure);
postSessionMsgAndCleanup(msg);
// Update tracker
mFrameNumberTracker.updateTracker(frameNumber, /*isError*/true);
checkAndFireSequenceCompleteLocked();
}
return;
}
void CameraDevice::stopLooperAndDisconnect() {
Mutex::Autolock _l(mDeviceLock);
sp<ACameraCaptureSession> session = mCurrentSession.promote();
if (!isClosed()) {
disconnectLocked(session);
}
mCurrentSession = nullptr;
if (mCbLooper != nullptr) {
mCbLooper->unregisterHandler(mHandler->id());
mCbLooper->stop();
}
mCbLooper.clear();
mHandler.clear();
}
CameraDevice::CallbackHandler::CallbackHandler(const char* id) : mId(id) {
}
void CameraDevice::CallbackHandler::onMessageReceived(
const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatOnDisconnected:
case kWhatOnError:
case kWhatSessionStateCb:
case kWhatCaptureStart:
case kWhatCaptureResult:
case kWhatLogicalCaptureResult:
case kWhatCaptureFail:
case kWhatLogicalCaptureFail:
case kWhatCaptureSeqEnd:
case kWhatCaptureSeqAbort:
case kWhatCaptureBufferLost:
ALOGV("%s: Received msg %d", __FUNCTION__, msg->what());
break;
case kWhatCleanUpSessions:
mCachedSessions.clear();
return;
default:
ALOGE("%s:Error: unknown device callback %d", __FUNCTION__, msg->what());
return;
}
// Check the common part of all message
void* context;
bool found = msg->findPointer(kContextKey, &context);
if (!found) {
ALOGE("%s: Cannot find callback context!", __FUNCTION__);
return;
}
switch (msg->what()) {
case kWhatOnDisconnected:
{
ACameraDevice* dev;
found = msg->findPointer(kDeviceKey, (void**) &dev);
if (!found || dev == nullptr) {
ALOGE("%s: Cannot find device pointer!", __FUNCTION__);
return;
}
ACameraDevice_StateCallback onDisconnected;
found = msg->findPointer(kCallbackFpKey, (void**) &onDisconnected);
if (!found) {
ALOGE("%s: Cannot find onDisconnected!", __FUNCTION__);
return;
}
if (onDisconnected == nullptr) {
return;
}
(*onDisconnected)(context, dev);
break;
}
case kWhatOnError:
{
ACameraDevice* dev;
found = msg->findPointer(kDeviceKey, (void**) &dev);
if (!found || dev == nullptr) {
ALOGE("%s: Cannot find device pointer!", __FUNCTION__);
return;
}
ACameraDevice_ErrorStateCallback onError;
found = msg->findPointer(kCallbackFpKey, (void**) &onError);
if (!found) {
ALOGE("%s: Cannot find onError!", __FUNCTION__);
return;
}
int errorCode;
found = msg->findInt32(kErrorCodeKey, &errorCode);
if (!found) {
ALOGE("%s: Cannot find error code!", __FUNCTION__);
return;
}
if (onError == nullptr) {
return;
}
(*onError)(context, dev, errorCode);
break;
}
case kWhatSessionStateCb:
case kWhatCaptureStart:
case kWhatCaptureResult:
case kWhatLogicalCaptureResult:
case kWhatCaptureFail:
case kWhatLogicalCaptureFail:
case kWhatCaptureSeqEnd:
case kWhatCaptureSeqAbort:
case kWhatCaptureBufferLost:
{
sp<RefBase> obj;
found = msg->findObject(kSessionSpKey, &obj);
if (!found || obj == nullptr) {
ALOGE("%s: Cannot find session pointer!", __FUNCTION__);
return;
}
sp<ACameraCaptureSession> session(static_cast<ACameraCaptureSession*>(obj.get()));
mCachedSessions.push(session);
sp<CaptureRequest> requestSp = nullptr;
switch (msg->what()) {
case kWhatCaptureStart:
case kWhatCaptureResult:
case kWhatLogicalCaptureResult:
case kWhatCaptureFail:
case kWhatLogicalCaptureFail:
case kWhatCaptureBufferLost:
found = msg->findObject(kCaptureRequestKey, &obj);
if (!found) {
ALOGE("%s: Cannot find capture request!", __FUNCTION__);
return;
}
requestSp = static_cast<CaptureRequest*>(obj.get());
break;
}
switch (msg->what()) {
case kWhatSessionStateCb:
{
ACameraCaptureSession_stateCallback onState;
found = msg->findPointer(kCallbackFpKey, (void**) &onState);
if (!found) {
ALOGE("%s: Cannot find state callback!", __FUNCTION__);
return;
}
if (onState == nullptr) {
return;
}
(*onState)(context, session.get());
break;
}
case kWhatCaptureStart:
{
ACameraCaptureSession_captureCallback_start onStart;
found = msg->findPointer(kCallbackFpKey, (void**) &onStart);
if (!found) {
ALOGE("%s: Cannot find capture start callback!", __FUNCTION__);
return;
}
if (onStart == nullptr) {
return;
}
int64_t timestamp;
found = msg->findInt64(kTimeStampKey, &timestamp);
if (!found) {
ALOGE("%s: Cannot find timestamp!", __FUNCTION__);
return;
}
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onStart)(context, session.get(), request, timestamp);
freeACaptureRequest(request);
break;
}
case kWhatCaptureResult:
{
ACameraCaptureSession_captureCallback_result onResult;
found = msg->findPointer(kCallbackFpKey, (void**) &onResult);
if (!found) {
ALOGE("%s: Cannot find capture result callback!", __FUNCTION__);
return;
}
if (onResult == nullptr) {
return;
}
found = msg->findObject(kCaptureResultKey, &obj);
if (!found) {
ALOGE("%s: Cannot find capture result!", __FUNCTION__);
return;
}
sp<ACameraMetadata> result(static_cast<ACameraMetadata*>(obj.get()));
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onResult)(context, session.get(), request, result.get());
freeACaptureRequest(request);
break;
}
case kWhatLogicalCaptureResult:
{
ACameraCaptureSession_logicalCamera_captureCallback_result onResult;
found = msg->findPointer(kCallbackFpKey, (void**) &onResult);
if (!found) {
ALOGE("%s: Cannot find logicalCamera capture result callback!",
__FUNCTION__);
return;
}
if (onResult == nullptr) {
return;
}
found = msg->findObject(kCaptureResultKey, &obj);
if (!found) {
ALOGE("%s: Cannot find capture result!", __FUNCTION__);
return;
}
sp<ACameraMetadata> result(static_cast<ACameraMetadata*>(obj.get()));
found = msg->findObject(kPhysicalCaptureResultKey, &obj);
if (!found) {
ALOGE("%s: Cannot find physical capture result!", __FUNCTION__);
return;
}
sp<ACameraPhysicalCaptureResultInfo> physicalResult(
static_cast<ACameraPhysicalCaptureResultInfo*>(obj.get()));
std::vector<PhysicalCaptureResultInfo>& physicalResultInfo =
physicalResult->mPhysicalResultInfo;
std::vector<std::string> physicalCameraIds;
std::vector<sp<ACameraMetadata>> physicalMetadataCopy;
for (size_t i = 0; i < physicalResultInfo.size(); i++) {
String8 physicalId8(physicalResultInfo[i].mPhysicalCameraId);
physicalCameraIds.push_back(physicalId8.c_str());
CameraMetadata clone = physicalResultInfo[i].mPhysicalCameraMetadata;
clone.update(ANDROID_SYNC_FRAME_NUMBER,
&physicalResult->mFrameNumber, /*data_count*/1);
sp<ACameraMetadata> metadata =
new ACameraMetadata(clone.release(), ACameraMetadata::ACM_RESULT);
physicalMetadataCopy.push_back(metadata);
}
std::vector<const char*> physicalCameraIdPtrs;
std::vector<const ACameraMetadata*> physicalMetadataCopyPtrs;
for (size_t i = 0; i < physicalResultInfo.size(); i++) {
physicalCameraIdPtrs.push_back(physicalCameraIds[i].c_str());
physicalMetadataCopyPtrs.push_back(physicalMetadataCopy[i].get());
}
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onResult)(context, session.get(), request, result.get(),
physicalResultInfo.size(), physicalCameraIdPtrs.data(),
physicalMetadataCopyPtrs.data());
freeACaptureRequest(request);
break;
}
case kWhatCaptureFail:
{
ACameraCaptureSession_captureCallback_failed onFail;
found = msg->findPointer(kCallbackFpKey, (void**) &onFail);
if (!found) {
ALOGE("%s: Cannot find capture fail callback!", __FUNCTION__);
return;
}
if (onFail == nullptr) {
return;
}
found = msg->findObject(kCaptureFailureKey, &obj);
if (!found) {
ALOGE("%s: Cannot find capture failure!", __FUNCTION__);
return;
}
sp<CameraCaptureFailure> failureSp(
static_cast<CameraCaptureFailure*>(obj.get()));
ACameraCaptureFailure* failure =
static_cast<ACameraCaptureFailure*>(failureSp.get());
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onFail)(context, session.get(), request, failure);
freeACaptureRequest(request);
break;
}
case kWhatLogicalCaptureFail:
{
ACameraCaptureSession_logicalCamera_captureCallback_failed onFail;
found = msg->findPointer(kCallbackFpKey, (void**) &onFail);
if (!found) {
ALOGE("%s: Cannot find capture fail callback!", __FUNCTION__);
return;
}
if (onFail == nullptr) {
return;
}
found = msg->findObject(kCaptureFailureKey, &obj);
if (!found) {
ALOGE("%s: Cannot find capture failure!", __FUNCTION__);
return;
}
sp<CameraCaptureFailure> failureSp(
static_cast<CameraCaptureFailure*>(obj.get()));
ALogicalCameraCaptureFailure failure;
AString physicalCameraId;
found = msg->findString(kFailingPhysicalCameraId, &physicalCameraId);
if (found && !physicalCameraId.empty()) {
failure.physicalCameraId = physicalCameraId.c_str();
} else {
failure.physicalCameraId = nullptr;
}
failure.captureFailure = *failureSp;
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onFail)(context, session.get(), request, &failure);
freeACaptureRequest(request);
break;
}
case kWhatCaptureSeqEnd:
{
ACameraCaptureSession_captureCallback_sequenceEnd onSeqEnd;
found = msg->findPointer(kCallbackFpKey, (void**) &onSeqEnd);
if (!found) {
ALOGE("%s: Cannot find sequence end callback!", __FUNCTION__);
return;
}
if (onSeqEnd == nullptr) {
return;
}
int seqId;
found = msg->findInt32(kSequenceIdKey, &seqId);
if (!found) {
ALOGE("%s: Cannot find frame number!", __FUNCTION__);
return;
}
int64_t frameNumber;
found = msg->findInt64(kFrameNumberKey, &frameNumber);
if (!found) {
ALOGE("%s: Cannot find frame number!", __FUNCTION__);
return;
}
(*onSeqEnd)(context, session.get(), seqId, frameNumber);
break;
}
case kWhatCaptureSeqAbort:
{
ACameraCaptureSession_captureCallback_sequenceAbort onSeqAbort;
found = msg->findPointer(kCallbackFpKey, (void**) &onSeqAbort);
if (!found) {
ALOGE("%s: Cannot find sequence end callback!", __FUNCTION__);
return;
}
if (onSeqAbort == nullptr) {
return;
}
int seqId;
found = msg->findInt32(kSequenceIdKey, &seqId);
if (!found) {
ALOGE("%s: Cannot find frame number!", __FUNCTION__);
return;
}
(*onSeqAbort)(context, session.get(), seqId);
break;
}
case kWhatCaptureBufferLost:
{
ACameraCaptureSession_captureCallback_bufferLost onBufferLost;
found = msg->findPointer(kCallbackFpKey, (void**) &onBufferLost);
if (!found) {
ALOGE("%s: Cannot find buffer lost callback!", __FUNCTION__);
return;
}
if (onBufferLost == nullptr) {
return;
}
ANativeWindow* anw;
found = msg->findPointer(kAnwKey, (void**) &anw);
if (!found) {
ALOGE("%s: Cannot find ANativeWindow!", __FUNCTION__);
return;
}
int64_t frameNumber;
found = msg->findInt64(kFrameNumberKey, &frameNumber);
if (!found) {
ALOGE("%s: Cannot find frame number!", __FUNCTION__);
return;
}
ACaptureRequest* request = allocateACaptureRequest(requestSp, mId);
(*onBufferLost)(context, session.get(), request, anw, frameNumber);
freeACaptureRequest(request);
break;
}
}
break;
}
}
}
CameraDevice::CallbackHolder::CallbackHolder(
sp<ACameraCaptureSession> session,
const Vector<sp<CaptureRequest> >& requests,
bool isRepeating,
ACameraCaptureSession_captureCallbacks* cbs) :
mSession(session), mRequests(requests),
mIsRepeating(isRepeating),
mIsLogicalCameraCallback(false) {
initCaptureCallbacks(cbs);
if (cbs != nullptr) {
mOnCaptureCompleted = cbs->onCaptureCompleted;
mOnCaptureFailed = cbs->onCaptureFailed;
}
}
CameraDevice::CallbackHolder::CallbackHolder(
sp<ACameraCaptureSession> session,
const Vector<sp<CaptureRequest> >& requests,
bool isRepeating,
ACameraCaptureSession_logicalCamera_captureCallbacks* lcbs) :
mSession(session), mRequests(requests),
mIsRepeating(isRepeating),
mIsLogicalCameraCallback(true) {
initCaptureCallbacks(lcbs);
if (lcbs != nullptr) {
mOnLogicalCameraCaptureCompleted = lcbs->onLogicalCameraCaptureCompleted;
mOnLogicalCameraCaptureFailed = lcbs->onLogicalCameraCaptureFailed;
}
}
void
CameraDevice::checkRepeatingSequenceCompleteLocked(
const int sequenceId, const int64_t lastFrameNumber) {
ALOGV("Repeating seqId %d lastFrameNumer %" PRId64, sequenceId, lastFrameNumber);
if (lastFrameNumber == NO_FRAMES_CAPTURED) {
if (mSequenceCallbackMap.count(sequenceId) == 0) {
ALOGW("No callback found for sequenceId %d", sequenceId);
return;
}
// remove callback holder from callback map
auto cbIt = mSequenceCallbackMap.find(sequenceId);
CallbackHolder cbh = cbIt->second;
mSequenceCallbackMap.erase(cbIt);
// send seq aborted callback
sp<AMessage> msg = new AMessage(kWhatCaptureSeqAbort, mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, cbh.mSession);
msg->setPointer(kCallbackFpKey, (void*) cbh.mOnCaptureSequenceAborted);
msg->setInt32(kSequenceIdKey, sequenceId);
postSessionMsgAndCleanup(msg);
} else {
// Use mSequenceLastFrameNumberMap to track
mSequenceLastFrameNumberMap.insert(std::make_pair(sequenceId, lastFrameNumber));
// Last frame might have arrived. Check now
checkAndFireSequenceCompleteLocked();
}
}
void
CameraDevice::checkAndFireSequenceCompleteLocked() {
int64_t completedFrameNumber = mFrameNumberTracker.getCompletedFrameNumber();
auto it = mSequenceLastFrameNumberMap.begin();
while (it != mSequenceLastFrameNumberMap.end()) {
int sequenceId = it->first;
int64_t lastFrameNumber = it->second.lastFrameNumber;
bool hasCallback = true;
if (mRemote == nullptr) {
ALOGW("Camera %s closed while checking sequence complete", getId());
return;
}
ALOGV("%s: seq %d's last frame number %" PRId64 ", completed %" PRId64,
__FUNCTION__, sequenceId, lastFrameNumber, completedFrameNumber);
if (!it->second.isSequenceCompleted) {
// Check if there is callback for this sequence
// This should not happen because we always register callback (with nullptr inside)
if (mSequenceCallbackMap.count(sequenceId) == 0) {
ALOGW("No callback found for sequenceId %d", sequenceId);
hasCallback = false;
}
if (lastFrameNumber <= completedFrameNumber) {
ALOGV("Mark sequenceId %d as sequence completed", sequenceId);
it->second.isSequenceCompleted = true;
}
}
if (it->second.isSequenceCompleted && it->second.isInflightCompleted) {
sendCaptureSequenceCompletedLocked(sequenceId, lastFrameNumber);
it = mSequenceLastFrameNumberMap.erase(it);
ALOGV("%s: Remove holder for sequenceId %d", __FUNCTION__, sequenceId);
} else {
++it;
}
}
}
void
CameraDevice::removeCompletedCallbackHolderLocked(int64_t lastCompletedRegularFrameNumber) {
auto it = mSequenceLastFrameNumberMap.begin();
while (it != mSequenceLastFrameNumberMap.end()) {
int sequenceId = it->first;
int64_t lastFrameNumber = it->second.lastFrameNumber;
if (mRemote == nullptr) {
ALOGW("Camera %s closed while checking sequence complete", getId());
return;
}
ALOGV("%s: seq %d's last frame number %" PRId64
", completed inflight frame number %" PRId64,
__FUNCTION__, sequenceId, lastFrameNumber,
lastCompletedRegularFrameNumber);
if (lastFrameNumber <= lastCompletedRegularFrameNumber) {
if (it->second.isSequenceCompleted) {
sendCaptureSequenceCompletedLocked(sequenceId, lastFrameNumber);
it = mSequenceLastFrameNumberMap.erase(it);
ALOGV("%s: Remove holder for sequenceId %d", __FUNCTION__, sequenceId);
} else {
ALOGV("Mark sequenceId %d as inflight completed", sequenceId);
it->second.isInflightCompleted = true;
++it;
}
} else {
++it;
}
}
}
/**
* Camera service callback implementation
*/
binder::Status
CameraDevice::ServiceCallback::onDeviceError(
int32_t errorCode,
const CaptureResultExtras& resultExtras) {
ALOGD("Device error received, code %d, frame number %" PRId64 ", request ID %d, subseq ID %d",
errorCode, resultExtras.frameNumber, resultExtras.requestId, resultExtras.burstId);
binder::Status ret = binder::Status::ok();
sp<CameraDevice> dev = mDevice.promote();
if (dev == nullptr) {
return ret; // device has been closed
}
sp<ACameraCaptureSession> session = dev->mCurrentSession.promote();
Mutex::Autolock _l(dev->mDeviceLock);
if (dev->mRemote == nullptr) {
return ret; // device has been closed
}
switch (errorCode) {
case ERROR_CAMERA_DISCONNECTED:
{
// Camera is disconnected, close the session and expect no more callbacks
if (session != nullptr) {
session->closeByDevice();
}
dev->mCurrentSession = nullptr;
sp<AMessage> msg = new AMessage(kWhatOnDisconnected, dev->mHandler);
msg->setPointer(kContextKey, dev->mAppCallbacks.context);
msg->setPointer(kDeviceKey, (void*) dev->getWrapper());
msg->setPointer(kCallbackFpKey, (void*) dev->mAppCallbacks.onDisconnected);
msg->post();
break;
}
default:
ALOGE("Unknown error from camera device: %d", errorCode);
[[fallthrough]];
case ERROR_CAMERA_DEVICE:
case ERROR_CAMERA_SERVICE:
{
int32_t errorVal = ::ERROR_CAMERA_DEVICE;
// We keep this switch since this block might be encountered with
// more than just 2 states. The default fallthrough could have us
// handling more unmatched error cases.
switch (errorCode) {
case ERROR_CAMERA_DEVICE:
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_DEVICE);
break;
case ERROR_CAMERA_SERVICE:
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
errorVal = ::ERROR_CAMERA_SERVICE;
break;
default:
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_UNKNOWN);
break;
}
sp<AMessage> msg = new AMessage(kWhatOnError, dev->mHandler);
msg->setPointer(kContextKey, dev->mAppCallbacks.context);
msg->setPointer(kDeviceKey, (void*) dev->getWrapper());
msg->setPointer(kCallbackFpKey, (void*) dev->mAppCallbacks.onError);
msg->setInt32(kErrorCodeKey, errorVal);
msg->post();
break;
}
case ERROR_CAMERA_REQUEST:
case ERROR_CAMERA_RESULT:
case ERROR_CAMERA_BUFFER:
dev->onCaptureErrorLocked(errorCode, resultExtras);
break;
}
return ret;
}
binder::Status
CameraDevice::ServiceCallback::onDeviceIdle() {
ALOGV("Camera is now idle");
binder::Status ret = binder::Status::ok();
sp<CameraDevice> dev = mDevice.promote();
if (dev == nullptr) {
return ret; // device has been closed
}
Mutex::Autolock _l(dev->mDeviceLock);
if (dev->isClosed() || dev->mRemote == nullptr) {
return ret;
}
dev->removeCompletedCallbackHolderLocked(
std::numeric_limits<int64_t>::max()/*lastCompletedRegularFrameNumber*/);
if (dev->mIdle) {
// Already in idle state. Possibly other thread did waitUntilIdle
return ret;
}
if (dev->mCurrentSession != nullptr) {
ALOGE("onDeviceIdle sending state cb");
if (dev->mBusySession != dev->mCurrentSession) {
ALOGE("Current session != busy session");
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_DEVICE);
return ret;
}
sp<AMessage> msg = new AMessage(kWhatSessionStateCb, dev->mHandler);
msg->setPointer(kContextKey, dev->mBusySession->mUserSessionCallback.context);
msg->setObject(kSessionSpKey, dev->mBusySession);
msg->setPointer(kCallbackFpKey, (void*) dev->mBusySession->mUserSessionCallback.onReady);
// Make sure we clear the sp first so the session destructor can
// only happen on handler thread (where we don't hold device/session lock)
dev->mBusySession.clear();
dev->postSessionMsgAndCleanup(msg);
}
dev->mIdle = true;
dev->mFlushing = false;
return ret;
}
binder::Status
CameraDevice::ServiceCallback::onCaptureStarted(
const CaptureResultExtras& resultExtras,
int64_t timestamp) {
binder::Status ret = binder::Status::ok();
sp<CameraDevice> dev = mDevice.promote();
if (dev == nullptr) {
return ret; // device has been closed
}
Mutex::Autolock _l(dev->mDeviceLock);
if (dev->isClosed() || dev->mRemote == nullptr) {
return ret;
}
dev->removeCompletedCallbackHolderLocked(
resultExtras.lastCompletedRegularFrameNumber);
int sequenceId = resultExtras.requestId;
int32_t burstId = resultExtras.burstId;
auto it = dev->mSequenceCallbackMap.find(sequenceId);
if (it != dev->mSequenceCallbackMap.end()) {
CallbackHolder cbh = (*it).second;
ACameraCaptureSession_captureCallback_start onStart = cbh.mOnCaptureStarted;
sp<ACameraCaptureSession> session = cbh.mSession;
if ((size_t) burstId >= cbh.mRequests.size()) {
ALOGE("%s: Error: request index %d out of bound (size %zu)",
__FUNCTION__, burstId, cbh.mRequests.size());
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
}
sp<CaptureRequest> request = cbh.mRequests[burstId];
sp<AMessage> msg = new AMessage(kWhatCaptureStart, dev->mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, session);
msg->setPointer(kCallbackFpKey, (void*) onStart);
msg->setObject(kCaptureRequestKey, request);
msg->setInt64(kTimeStampKey, timestamp);
dev->postSessionMsgAndCleanup(msg);
}
return ret;
}
binder::Status
CameraDevice::ServiceCallback::onResultReceived(
const CameraMetadata& metadata,
const CaptureResultExtras& resultExtras,
const std::vector<PhysicalCaptureResultInfo>& physicalResultInfos) {
binder::Status ret = binder::Status::ok();
sp<CameraDevice> dev = mDevice.promote();
if (dev == nullptr) {
return ret; // device has been closed
}
int sequenceId = resultExtras.requestId;
int64_t frameNumber = resultExtras.frameNumber;
int32_t burstId = resultExtras.burstId;
bool isPartialResult = (resultExtras.partialResultCount < dev->mPartialResultCount);
if (!isPartialResult) {
ALOGV("SeqId %d frame %" PRId64 " result arrive.", sequenceId, frameNumber);
}
Mutex::Autolock _l(dev->mDeviceLock);
if (dev->mRemote == nullptr) {
return ret; // device has been disconnected
}
if (dev->isClosed()) {
if (!isPartialResult) {
dev->mFrameNumberTracker.updateTracker(frameNumber, /*isError*/false);
}
// early return to avoid callback sent to closed devices
return ret;
}
CameraMetadata metadataCopy = metadata;
metadataCopy.update(ANDROID_LENS_INFO_SHADING_MAP_SIZE, dev->mShadingMapSize, /*data_count*/2);
metadataCopy.update(ANDROID_SYNC_FRAME_NUMBER, &frameNumber, /*data_count*/1);
auto it = dev->mSequenceCallbackMap.find(sequenceId);
if (it != dev->mSequenceCallbackMap.end()) {
CallbackHolder cbh = (*it).second;
sp<ACameraCaptureSession> session = cbh.mSession;
if ((size_t) burstId >= cbh.mRequests.size()) {
ALOGE("%s: Error: request index %d out of bound (size %zu)",
__FUNCTION__, burstId, cbh.mRequests.size());
dev->setCameraDeviceErrorLocked(ACAMERA_ERROR_CAMERA_SERVICE);
}
sp<CaptureRequest> request = cbh.mRequests[burstId];
sp<ACameraMetadata> result(new ACameraMetadata(
metadataCopy.release(), ACameraMetadata::ACM_RESULT));
sp<ACameraPhysicalCaptureResultInfo> physicalResult(
new ACameraPhysicalCaptureResultInfo(physicalResultInfos, frameNumber));
sp<AMessage> msg = new AMessage(
cbh.mIsLogicalCameraCallback ? kWhatLogicalCaptureResult : kWhatCaptureResult,
dev->mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, session);
msg->setObject(kCaptureRequestKey, request);
msg->setObject(kCaptureResultKey, result);
if (isPartialResult) {
msg->setPointer(kCallbackFpKey,
(void *)cbh.mOnCaptureProgressed);
} else if (cbh.mIsLogicalCameraCallback) {
msg->setPointer(kCallbackFpKey,
(void *)cbh.mOnLogicalCameraCaptureCompleted);
msg->setObject(kPhysicalCaptureResultKey, physicalResult);
} else {
msg->setPointer(kCallbackFpKey,
(void *)cbh.mOnCaptureCompleted);
}
dev->postSessionMsgAndCleanup(msg);
}
if (!isPartialResult) {
dev->mFrameNumberTracker.updateTracker(frameNumber, /*isError*/false);
dev->checkAndFireSequenceCompleteLocked();
}
return ret;
}
binder::Status
CameraDevice::ServiceCallback::onPrepared(int) {
// Prepare not yet implemented in NDK
return binder::Status::ok();
}
binder::Status
CameraDevice::ServiceCallback::onRequestQueueEmpty() {
// onRequestQueueEmpty not yet implemented in NDK
return binder::Status::ok();
}
binder::Status
CameraDevice::ServiceCallback::onRepeatingRequestError(
int64_t lastFrameNumber, int32_t stoppedSequenceId) {
binder::Status ret = binder::Status::ok();
sp<CameraDevice> dev = mDevice.promote();
if (dev == nullptr) {
return ret; // device has been closed
}
Mutex::Autolock _l(dev->mDeviceLock);
int repeatingSequenceId = dev->mRepeatingSequenceId;
if (stoppedSequenceId == repeatingSequenceId) {
dev->mRepeatingSequenceId = REQUEST_ID_NONE;
}
dev->checkRepeatingSequenceCompleteLocked(repeatingSequenceId, lastFrameNumber);
return ret;
}
void
CameraDevice::sendCaptureSequenceCompletedLocked(int sequenceId, int64_t lastFrameNumber) {
auto cbIt = mSequenceCallbackMap.find(sequenceId);
if (cbIt != mSequenceCallbackMap.end()) {
CallbackHolder cbh = cbIt->second;
mSequenceCallbackMap.erase(cbIt);
// send seq complete callback
sp<AMessage> msg = new AMessage(kWhatCaptureSeqEnd, mHandler);
msg->setPointer(kContextKey, cbh.mContext);
msg->setObject(kSessionSpKey, cbh.mSession);
msg->setPointer(kCallbackFpKey, (void*) cbh.mOnCaptureSequenceCompleted);
msg->setInt32(kSequenceIdKey, sequenceId);
msg->setInt64(kFrameNumberKey, lastFrameNumber);
// Clear the session sp before we send out the message
// This will guarantee the rare case where the message is processed
// before cbh goes out of scope and causing we call the session
// destructor while holding device lock
cbh.mSession.clear();
postSessionMsgAndCleanup(msg);
} else {
// Check if there is callback for this sequence
// This should not happen because we always register callback (with nullptr inside)
ALOGW("No callback found for sequenceId %d", sequenceId);
}
}
} // namespace acam
} // namespace android