| /* | 
 |  * Copyright (C) 2013-2018 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_TAG "Camera3-Device" | 
 | #define ATRACE_TAG ATRACE_TAG_CAMERA | 
 | //#define LOG_NDEBUG 0 | 
 | //#define LOG_NNDEBUG 0  // Per-frame verbose logging | 
 |  | 
 | #ifdef LOG_NNDEBUG | 
 | #define ALOGVV(...) ALOGV(__VA_ARGS__) | 
 | #else | 
 | #define ALOGVV(...) ((void)0) | 
 | #endif | 
 |  | 
 | // Convenience macro for transient errors | 
 | #define CLOGE(fmt, ...) ALOGE("Camera %s: %s: " fmt, mId.string(), __FUNCTION__, \ | 
 |             ##__VA_ARGS__) | 
 |  | 
 | #define CLOGW(fmt, ...) ALOGW("Camera %s: %s: " fmt, mId.string(), __FUNCTION__, \ | 
 |             ##__VA_ARGS__) | 
 |  | 
 | // Convenience macros for transitioning to the error state | 
 | #define SET_ERR(fmt, ...) setErrorState(   \ | 
 |     "%s: " fmt, __FUNCTION__,              \ | 
 |     ##__VA_ARGS__) | 
 | #define SET_ERR_L(fmt, ...) setErrorStateLocked( \ | 
 |     "%s: " fmt, __FUNCTION__,                    \ | 
 |     ##__VA_ARGS__) | 
 |  | 
 | #include <inttypes.h> | 
 |  | 
 | #include <utility> | 
 |  | 
 | #include <utils/Log.h> | 
 | #include <utils/Trace.h> | 
 | #include <utils/Timers.h> | 
 | #include <cutils/properties.h> | 
 |  | 
 | #include <android/hardware/camera/device/3.7/ICameraInjectionSession.h> | 
 | #include <android/hardware/camera2/ICameraDeviceUser.h> | 
 |  | 
 | #include "utils/CameraTraces.h" | 
 | #include "mediautils/SchedulingPolicyService.h" | 
 | #include "device3/Camera3Device.h" | 
 | #include "device3/Camera3OutputStream.h" | 
 | #include "device3/Camera3InputStream.h" | 
 | #include "device3/Camera3FakeStream.h" | 
 | #include "device3/Camera3SharedOutputStream.h" | 
 | #include "CameraService.h" | 
 | #include "utils/CameraThreadState.h" | 
 | #include "utils/SessionConfigurationUtils.h" | 
 | #include "utils/TraceHFR.h" | 
 | #include "utils/CameraServiceProxyWrapper.h" | 
 |  | 
 | #include <algorithm> | 
 | #include <tuple> | 
 |  | 
 | using namespace android::camera3; | 
 | using namespace android::hardware::camera; | 
 |  | 
 | namespace android { | 
 |  | 
 | Camera3Device::Camera3Device(const String8 &id, bool overrideForPerfClass, bool legacyClient): | 
 |         mId(id), | 
 |         mLegacyClient(legacyClient), | 
 |         mOperatingMode(NO_MODE), | 
 |         mIsConstrainedHighSpeedConfiguration(false), | 
 |         mStatus(STATUS_UNINITIALIZED), | 
 |         mStatusWaiters(0), | 
 |         mUsePartialResult(false), | 
 |         mNumPartialResults(1), | 
 |         mDeviceTimeBaseIsRealtime(false), | 
 |         mTimestampOffset(0), | 
 |         mNextResultFrameNumber(0), | 
 |         mNextReprocessResultFrameNumber(0), | 
 |         mNextZslStillResultFrameNumber(0), | 
 |         mNextShutterFrameNumber(0), | 
 |         mNextReprocessShutterFrameNumber(0), | 
 |         mNextZslStillShutterFrameNumber(0), | 
 |         mListener(NULL), | 
 |         mVendorTagId(CAMERA_METADATA_INVALID_VENDOR_ID), | 
 |         mLastTemplateId(-1), | 
 |         mNeedFixupMonochromeTags(false), | 
 |         mOverrideForPerfClass(overrideForPerfClass) | 
 | { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Created device for camera %s", __FUNCTION__, mId.string()); | 
 | } | 
 |  | 
 | Camera3Device::~Camera3Device() | 
 | { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Tearing down for camera id %s", __FUNCTION__, mId.string()); | 
 |     disconnectImpl(); | 
 | } | 
 |  | 
 | const String8& Camera3Device::getId() const { | 
 |     return mId; | 
 | } | 
 |  | 
 | status_t Camera3Device::initializeCommonLocked() { | 
 |  | 
 |     /** Start up status tracker thread */ | 
 |     mStatusTracker = new StatusTracker(this); | 
 |     status_t res = mStatusTracker->run(String8::format("C3Dev-%s-Status", mId.string()).string()); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Unable to start status tracking thread: %s (%d)", | 
 |                 strerror(-res), res); | 
 |         mInterface->close(); | 
 |         mStatusTracker.clear(); | 
 |         return res; | 
 |     } | 
 |  | 
 |     /** Register in-flight map to the status tracker */ | 
 |     mInFlightStatusId = mStatusTracker->addComponent("InflightRequests"); | 
 |  | 
 |     if (mUseHalBufManager) { | 
 |         res = mRequestBufferSM.initialize(mStatusTracker); | 
 |         if (res != OK) { | 
 |             SET_ERR_L("Unable to start request buffer state machine: %s (%d)", | 
 |                     strerror(-res), res); | 
 |             mInterface->close(); | 
 |             mStatusTracker.clear(); | 
 |             return res; | 
 |         } | 
 |     } | 
 |  | 
 |     /** Create buffer manager */ | 
 |     mBufferManager = new Camera3BufferManager(); | 
 |  | 
 |     Vector<int32_t> sessionParamKeys; | 
 |     camera_metadata_entry_t sessionKeysEntry = mDeviceInfo.find( | 
 |             ANDROID_REQUEST_AVAILABLE_SESSION_KEYS); | 
 |     if (sessionKeysEntry.count > 0) { | 
 |         sessionParamKeys.insertArrayAt(sessionKeysEntry.data.i32, 0, sessionKeysEntry.count); | 
 |     } | 
 |  | 
 |     camera_metadata_entry_t availableTestPatternModes = mDeviceInfo.find( | 
 |             ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES); | 
 |     for (size_t i = 0; i < availableTestPatternModes.count; i++) { | 
 |         if (availableTestPatternModes.data.i32[i] == | 
 |                 ANDROID_SENSOR_TEST_PATTERN_MODE_SOLID_COLOR) { | 
 |             mSupportCameraMute = true; | 
 |             mSupportTestPatternSolidColor = true; | 
 |             break; | 
 |         } else if (availableTestPatternModes.data.i32[i] == | 
 |                 ANDROID_SENSOR_TEST_PATTERN_MODE_BLACK) { | 
 |             mSupportCameraMute = true; | 
 |             mSupportTestPatternSolidColor = false; | 
 |         } | 
 |     } | 
 |  | 
 |     /** Start up request queue thread */ | 
 |     mRequestThread = createNewRequestThread( | 
 |             this, mStatusTracker, mInterface, sessionParamKeys, | 
 |             mUseHalBufManager, mSupportCameraMute); | 
 |     res = mRequestThread->run(String8::format("C3Dev-%s-ReqQueue", mId.string()).string()); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Unable to start request queue thread: %s (%d)", | 
 |                 strerror(-res), res); | 
 |         mInterface->close(); | 
 |         mRequestThread.clear(); | 
 |         return res; | 
 |     } | 
 |  | 
 |     mPreparerThread = new PreparerThread(); | 
 |  | 
 |     internalUpdateStatusLocked(STATUS_UNCONFIGURED); | 
 |     mNextStreamId = 0; | 
 |     mFakeStreamId = NO_STREAM; | 
 |     mNeedConfig = true; | 
 |     mPauseStateNotify = false; | 
 |     mIsInputStreamMultiResolution = false; | 
 |  | 
 |     // Measure the clock domain offset between camera and video/hw_composer | 
 |     mTimestampOffset = getMonoToBoottimeOffset(); | 
 |     camera_metadata_entry timestampSource = | 
 |             mDeviceInfo.find(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE); | 
 |     if (timestampSource.count > 0 && timestampSource.data.u8[0] == | 
 |             ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME) { | 
 |         mDeviceTimeBaseIsRealtime = true; | 
 |     } | 
 |  | 
 |     // Will the HAL be sending in early partial result metadata? | 
 |     camera_metadata_entry partialResultsCount = | 
 |             mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT); | 
 |     if (partialResultsCount.count > 0) { | 
 |         mNumPartialResults = partialResultsCount.data.i32[0]; | 
 |         mUsePartialResult = (mNumPartialResults > 1); | 
 |     } | 
 |  | 
 |     bool usePrecorrectArray = DistortionMapper::isDistortionSupported(mDeviceInfo); | 
 |     if (usePrecorrectArray) { | 
 |         res = mDistortionMappers[mId.c_str()].setupStaticInfo(mDeviceInfo); | 
 |         if (res != OK) { | 
 |             SET_ERR_L("Unable to read necessary calibration fields for distortion correction"); | 
 |             return res; | 
 |         } | 
 |     } | 
 |  | 
 |     mZoomRatioMappers[mId.c_str()] = ZoomRatioMapper(&mDeviceInfo, | 
 |             mSupportNativeZoomRatio, usePrecorrectArray); | 
 |  | 
 |     if (SessionConfigurationUtils::isUltraHighResolutionSensor(mDeviceInfo)) { | 
 |         mUHRCropAndMeteringRegionMappers[mId.c_str()] = | 
 |                 UHRCropAndMeteringRegionMapper(mDeviceInfo, usePrecorrectArray); | 
 |     } | 
 |  | 
 |     if (RotateAndCropMapper::isNeeded(&mDeviceInfo)) { | 
 |         mRotateAndCropMappers.emplace(mId.c_str(), &mDeviceInfo); | 
 |     } | 
 |  | 
 |     // Hidl/AidlCamera3DeviceInjectionMethods | 
 |     mInjectionMethods = createCamera3DeviceInjectionMethods(this); | 
 |  | 
 |     /** Start watchdog thread */ | 
 |     mCameraServiceWatchdog = new CameraServiceWatchdog(); | 
 |     res = mCameraServiceWatchdog->run("CameraServiceWatchdog"); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Unable to start camera service watchdog thread: %s (%d)", | 
 |                 strerror(-res), res); | 
 |         return res; | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::disconnect() { | 
 |     return disconnectImpl(); | 
 | } | 
 |  | 
 | status_t Camera3Device::disconnectImpl() { | 
 |     ATRACE_CALL(); | 
 |     ALOGI("%s: E", __FUNCTION__); | 
 |  | 
 |     status_t res = OK; | 
 |     std::vector<wp<Camera3StreamInterface>> streams; | 
 |     { | 
 |         Mutex::Autolock il(mInterfaceLock); | 
 |         nsecs_t maxExpectedDuration = getExpectedInFlightDuration(); | 
 |         { | 
 |             Mutex::Autolock l(mLock); | 
 |             if (mStatus == STATUS_UNINITIALIZED) return res; | 
 |  | 
 |             if (mRequestThread != NULL) { | 
 |                 if (mStatus == STATUS_ACTIVE || mStatus == STATUS_ERROR) { | 
 |                     res = mRequestThread->clear(); | 
 |                     if (res != OK) { | 
 |                         SET_ERR_L("Can't stop streaming"); | 
 |                         // Continue to close device even in case of error | 
 |                     } else { | 
 |                         res = waitUntilStateThenRelock(/*active*/ false, maxExpectedDuration); | 
 |                         if (res != OK) { | 
 |                             SET_ERR_L("Timeout waiting for HAL to drain (% " PRIi64 " ns)", | 
 |                                     maxExpectedDuration); | 
 |                             // Continue to close device even in case of error | 
 |                         } | 
 |                     } | 
 |                 } | 
 |                 // Signal to request thread that we're not expecting any | 
 |                 // more requests. This will be true since once we're in | 
 |                 // disconnect and we've cleared off the request queue, the | 
 |                 // request thread can't receive any new requests through | 
 |                 // binder calls - since disconnect holds | 
 |                 // mBinderSerialization lock. | 
 |                 mRequestThread->setRequestClearing(); | 
 |             } | 
 |  | 
 |             if (mStatus == STATUS_ERROR) { | 
 |                 CLOGE("Shutting down in an error state"); | 
 |             } | 
 |  | 
 |             if (mStatusTracker != NULL) { | 
 |                 mStatusTracker->requestExit(); | 
 |             } | 
 |  | 
 |             if (mRequestThread != NULL) { | 
 |                 mRequestThread->requestExit(); | 
 |             } | 
 |  | 
 |             streams.reserve(mOutputStreams.size() + (mInputStream != nullptr ? 1 : 0)); | 
 |             for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |                 streams.push_back(mOutputStreams[i]); | 
 |             } | 
 |             if (mInputStream != nullptr) { | 
 |                 streams.push_back(mInputStream); | 
 |             } | 
 |         } | 
 |     } | 
 |     // Joining done without holding mLock and mInterfaceLock, otherwise deadlocks may ensue | 
 |     // as the threads try to access parent state (b/143513518) | 
 |     if (mRequestThread != NULL && mStatus != STATUS_ERROR) { | 
 |         // HAL may be in a bad state, so waiting for request thread | 
 |         // (which may be stuck in the HAL processCaptureRequest call) | 
 |         // could be dangerous. | 
 |         // give up mInterfaceLock here and then lock it again. Could this lead | 
 |         // to other deadlocks | 
 |         mRequestThread->join(); | 
 |     } | 
 |     { | 
 |         Mutex::Autolock il(mInterfaceLock); | 
 |         if (mStatusTracker != NULL) { | 
 |             mStatusTracker->join(); | 
 |         } | 
 |  | 
 |         if (mInjectionMethods->isInjecting()) { | 
 |             mInjectionMethods->stopInjection(); | 
 |         } | 
 |  | 
 |         HalInterface* interface; | 
 |         { | 
 |             Mutex::Autolock l(mLock); | 
 |             mRequestThread.clear(); | 
 |             Mutex::Autolock stLock(mTrackerLock); | 
 |             mStatusTracker.clear(); | 
 |             interface = mInterface.get(); | 
 |         } | 
 |  | 
 |         // Call close without internal mutex held, as the HAL close may need to | 
 |         // wait on assorted callbacks,etc, to complete before it can return. | 
 |         mCameraServiceWatchdog->WATCH(interface->close()); | 
 |  | 
 |         flushInflightRequests(); | 
 |  | 
 |         { | 
 |             Mutex::Autolock l(mLock); | 
 |             mInterface->clear(); | 
 |             mOutputStreams.clear(); | 
 |             mInputStream.clear(); | 
 |             mDeletedStreams.clear(); | 
 |             mBufferManager.clear(); | 
 |             internalUpdateStatusLocked(STATUS_UNINITIALIZED); | 
 |         } | 
 |  | 
 |         for (auto& weakStream : streams) { | 
 |               sp<Camera3StreamInterface> stream = weakStream.promote(); | 
 |             if (stream != nullptr) { | 
 |                 ALOGE("%s: Stream %d leaked! strong reference (%d)!", | 
 |                         __FUNCTION__, stream->getId(), stream->getStrongCount() - 1); | 
 |             } | 
 |         } | 
 |     } | 
 |     ALOGI("%s: X", __FUNCTION__); | 
 |  | 
 |     if (mCameraServiceWatchdog != NULL) { | 
 |         mCameraServiceWatchdog->requestExit(); | 
 |         mCameraServiceWatchdog.clear(); | 
 |     } | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | // For dumping/debugging only - | 
 | // try to acquire a lock a few times, eventually give up to proceed with | 
 | // debug/dump operations | 
 | bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { | 
 |     bool gotLock = false; | 
 |     for (size_t i = 0; i < kDumpLockAttempts; ++i) { | 
 |         if (lock.tryLock() == NO_ERROR) { | 
 |             gotLock = true; | 
 |             break; | 
 |         } else { | 
 |             usleep(kDumpSleepDuration); | 
 |         } | 
 |     } | 
 |     return gotLock; | 
 | } | 
 |  | 
 | nsecs_t Camera3Device::getMonoToBoottimeOffset() { | 
 |     // try three times to get the clock offset, choose the one | 
 |     // with the minimum gap in measurements. | 
 |     const int tries = 3; | 
 |     nsecs_t bestGap, measured; | 
 |     for (int i = 0; i < tries; ++i) { | 
 |         const nsecs_t tmono = systemTime(SYSTEM_TIME_MONOTONIC); | 
 |         const nsecs_t tbase = systemTime(SYSTEM_TIME_BOOTTIME); | 
 |         const nsecs_t tmono2 = systemTime(SYSTEM_TIME_MONOTONIC); | 
 |         const nsecs_t gap = tmono2 - tmono; | 
 |         if (i == 0 || gap < bestGap) { | 
 |             bestGap = gap; | 
 |             measured = tbase - ((tmono + tmono2) >> 1); | 
 |         } | 
 |     } | 
 |     return measured; | 
 | } | 
 |  | 
 | ssize_t Camera3Device::getJpegBufferSize(const CameraMetadata &info, uint32_t width, | 
 |         uint32_t height) const { | 
 |     // Get max jpeg size (area-wise) for default sensor pixel mode | 
 |     camera3::Size maxDefaultJpegResolution = | 
 |             SessionConfigurationUtils::getMaxJpegResolution(info, | 
 |                     /*isUltraHighResolutionSensor*/false); | 
 |     // Get max jpeg size (area-wise) for max resolution sensor pixel mode / 0 if | 
 |     // not ultra high res sensor | 
 |     camera3::Size uhrMaxJpegResolution = | 
 |             SessionConfigurationUtils::getMaxJpegResolution(info, | 
 |                     /*isUltraHighResolution*/true); | 
 |     if (maxDefaultJpegResolution.width == 0) { | 
 |         ALOGE("%s: Camera %s: Can't find valid available jpeg sizes in static metadata!", | 
 |                 __FUNCTION__, mId.string()); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     bool useMaxSensorPixelModeThreshold = false; | 
 |     if (uhrMaxJpegResolution.width != 0 && | 
 |             width * height > maxDefaultJpegResolution.width * maxDefaultJpegResolution.height) { | 
 |         // Use the ultra high res max jpeg size and max jpeg buffer size | 
 |         useMaxSensorPixelModeThreshold = true; | 
 |     } | 
 |  | 
 |     // Get max jpeg buffer size | 
 |     ssize_t maxJpegBufferSize = 0; | 
 |     camera_metadata_ro_entry jpegBufMaxSize = info.find(ANDROID_JPEG_MAX_SIZE); | 
 |     if (jpegBufMaxSize.count == 0) { | 
 |         ALOGE("%s: Camera %s: Can't find maximum JPEG size in static metadata!", __FUNCTION__, | 
 |                 mId.string()); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; | 
 |  | 
 |     camera3::Size chosenMaxJpegResolution = maxDefaultJpegResolution; | 
 |     if (useMaxSensorPixelModeThreshold) { | 
 |         maxJpegBufferSize = | 
 |                 SessionConfigurationUtils::getUHRMaxJpegBufferSize(uhrMaxJpegResolution, | 
 |                         maxDefaultJpegResolution, maxJpegBufferSize); | 
 |         chosenMaxJpegResolution = uhrMaxJpegResolution; | 
 |     } | 
 |     assert(kMinJpegBufferSize < maxJpegBufferSize); | 
 |  | 
 |     // Calculate final jpeg buffer size for the given resolution. | 
 |     float scaleFactor = ((float) (width * height)) / | 
 |             (chosenMaxJpegResolution.width * chosenMaxJpegResolution.height); | 
 |     ssize_t jpegBufferSize = scaleFactor * (maxJpegBufferSize - kMinJpegBufferSize) + | 
 |             kMinJpegBufferSize; | 
 |     if (jpegBufferSize > maxJpegBufferSize) { | 
 |         ALOGI("%s: jpeg buffer size calculated is > maxJpeg bufferSize(%zd), clamping", | 
 |                   __FUNCTION__, maxJpegBufferSize); | 
 |         jpegBufferSize = maxJpegBufferSize; | 
 |     } | 
 |     return jpegBufferSize; | 
 | } | 
 |  | 
 | ssize_t Camera3Device::getPointCloudBufferSize(const CameraMetadata &info) const { | 
 |     const int FLOATS_PER_POINT=4; | 
 |     camera_metadata_ro_entry maxPointCount = info.find(ANDROID_DEPTH_MAX_DEPTH_SAMPLES); | 
 |     if (maxPointCount.count == 0) { | 
 |         ALOGE("%s: Camera %s: Can't find maximum depth point cloud size in static metadata!", | 
 |                 __FUNCTION__, mId.string()); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     ssize_t maxBytesForPointCloud = sizeof(android_depth_points) + | 
 |             maxPointCount.data.i32[0] * sizeof(float) * FLOATS_PER_POINT; | 
 |     return maxBytesForPointCloud; | 
 | } | 
 |  | 
 | ssize_t Camera3Device::getRawOpaqueBufferSize(const CameraMetadata &info, int32_t width, | 
 |         int32_t height, bool maxResolution) const { | 
 |     const int PER_CONFIGURATION_SIZE = 3; | 
 |     const int WIDTH_OFFSET = 0; | 
 |     const int HEIGHT_OFFSET = 1; | 
 |     const int SIZE_OFFSET = 2; | 
 |     camera_metadata_ro_entry rawOpaqueSizes = | 
 |         info.find( | 
 |             camera3::SessionConfigurationUtils::getAppropriateModeTag( | 
 |                     ANDROID_SENSOR_OPAQUE_RAW_SIZE, | 
 |                     maxResolution)); | 
 |     size_t count = rawOpaqueSizes.count; | 
 |     if (count == 0 || (count % PER_CONFIGURATION_SIZE)) { | 
 |         ALOGE("%s: Camera %s: bad opaque RAW size static metadata length(%zu)!", | 
 |                 __FUNCTION__, mId.string(), count); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     for (size_t i = 0; i < count; i += PER_CONFIGURATION_SIZE) { | 
 |         if (width == rawOpaqueSizes.data.i32[i + WIDTH_OFFSET] && | 
 |                 height == rawOpaqueSizes.data.i32[i + HEIGHT_OFFSET]) { | 
 |             return rawOpaqueSizes.data.i32[i + SIZE_OFFSET]; | 
 |         } | 
 |     } | 
 |  | 
 |     ALOGE("%s: Camera %s: cannot find size for %dx%d opaque RAW image!", | 
 |             __FUNCTION__, mId.string(), width, height); | 
 |     return BAD_VALUE; | 
 | } | 
 |  | 
 | status_t Camera3Device::dump(int fd, const Vector<String16> &args) { | 
 |     ATRACE_CALL(); | 
 |     (void)args; | 
 |  | 
 |     // Try to lock, but continue in case of failure (to avoid blocking in | 
 |     // deadlocks) | 
 |     bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); | 
 |     bool gotLock = tryLockSpinRightRound(mLock); | 
 |  | 
 |     ALOGW_IF(!gotInterfaceLock, | 
 |             "Camera %s: %s: Unable to lock interface lock, proceeding anyway", | 
 |             mId.string(), __FUNCTION__); | 
 |     ALOGW_IF(!gotLock, | 
 |             "Camera %s: %s: Unable to lock main lock, proceeding anyway", | 
 |             mId.string(), __FUNCTION__); | 
 |  | 
 |     bool dumpTemplates = false; | 
 |  | 
 |     String16 templatesOption("-t"); | 
 |     int n = args.size(); | 
 |     for (int i = 0; i < n; i++) { | 
 |         if (args[i] == templatesOption) { | 
 |             dumpTemplates = true; | 
 |         } | 
 |         if (args[i] == TagMonitor::kMonitorOption) { | 
 |             if (i + 1 < n) { | 
 |                 String8 monitorTags = String8(args[i + 1]); | 
 |                 if (monitorTags == "off") { | 
 |                     mTagMonitor.disableMonitoring(); | 
 |                 } else { | 
 |                     mTagMonitor.parseTagsToMonitor(monitorTags); | 
 |                 } | 
 |             } else { | 
 |                 mTagMonitor.disableMonitoring(); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     String8 lines; | 
 |  | 
 |     const char *status = | 
 |             mStatus == STATUS_ERROR         ? "ERROR" : | 
 |             mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : | 
 |             mStatus == STATUS_UNCONFIGURED  ? "UNCONFIGURED" : | 
 |             mStatus == STATUS_CONFIGURED    ? "CONFIGURED" : | 
 |             mStatus == STATUS_ACTIVE        ? "ACTIVE" : | 
 |             "Unknown"; | 
 |  | 
 |     lines.appendFormat("    Device status: %s\n", status); | 
 |     if (mStatus == STATUS_ERROR) { | 
 |         lines.appendFormat("    Error cause: %s\n", mErrorCause.string()); | 
 |     } | 
 |     lines.appendFormat("    Stream configuration:\n"); | 
 |     const char *mode = | 
 |             mOperatingMode == CAMERA_STREAM_CONFIGURATION_NORMAL_MODE ? "NORMAL" : | 
 |             mOperatingMode == CAMERA_STREAM_CONFIGURATION_CONSTRAINED_HIGH_SPEED_MODE ? | 
 |                     "CONSTRAINED_HIGH_SPEED" : "CUSTOM"; | 
 |     lines.appendFormat("    Operation mode: %s (%d) \n", mode, mOperatingMode); | 
 |  | 
 |     if (mInputStream != NULL) { | 
 |         write(fd, lines.string(), lines.size()); | 
 |         mInputStream->dump(fd, args); | 
 |     } else { | 
 |         lines.appendFormat("      No input stream.\n"); | 
 |         write(fd, lines.string(), lines.size()); | 
 |     } | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |         mOutputStreams[i]->dump(fd,args); | 
 |     } | 
 |  | 
 |     if (mBufferManager != NULL) { | 
 |         lines = String8("    Camera3 Buffer Manager:\n"); | 
 |         write(fd, lines.string(), lines.size()); | 
 |         mBufferManager->dump(fd, args); | 
 |     } | 
 |  | 
 |     lines = String8("    In-flight requests:\n"); | 
 |     if (mInFlightLock.try_lock()) { | 
 |         if (mInFlightMap.size() == 0) { | 
 |             lines.append("      None\n"); | 
 |         } else { | 
 |             for (size_t i = 0; i < mInFlightMap.size(); i++) { | 
 |                 InFlightRequest r = mInFlightMap.valueAt(i); | 
 |                 lines.appendFormat("      Frame %d |  Timestamp: %" PRId64 ", metadata" | 
 |                         " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), | 
 |                         r.shutterTimestamp, r.haveResultMetadata ? "true" : "false", | 
 |                         r.numBuffersLeft); | 
 |             } | 
 |         } | 
 |         mInFlightLock.unlock(); | 
 |     } else { | 
 |         lines.append("      Failed to acquire In-flight lock!\n"); | 
 |     } | 
 |     write(fd, lines.string(), lines.size()); | 
 |  | 
 |     if (mRequestThread != NULL) { | 
 |         mRequestThread->dumpCaptureRequestLatency(fd, | 
 |                 "    ProcessCaptureRequest latency histogram:"); | 
 |     } | 
 |  | 
 |     { | 
 |         lines = String8("    Last request sent:\n"); | 
 |         write(fd, lines.string(), lines.size()); | 
 |  | 
 |         CameraMetadata lastRequest = getLatestRequestLocked(); | 
 |         lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); | 
 |     } | 
 |  | 
 |     if (dumpTemplates) { | 
 |         const char *templateNames[CAMERA_TEMPLATE_COUNT] = { | 
 |             "TEMPLATE_PREVIEW", | 
 |             "TEMPLATE_STILL_CAPTURE", | 
 |             "TEMPLATE_VIDEO_RECORD", | 
 |             "TEMPLATE_VIDEO_SNAPSHOT", | 
 |             "TEMPLATE_ZERO_SHUTTER_LAG", | 
 |             "TEMPLATE_MANUAL", | 
 |         }; | 
 |  | 
 |         for (int i = 1; i < CAMERA_TEMPLATE_COUNT; i++) { | 
 |             camera_metadata_t *templateRequest = nullptr; | 
 |             mInterface->constructDefaultRequestSettings( | 
 |                     (camera_request_template_t) i, &templateRequest); | 
 |             lines = String8::format("    HAL Request %s:\n", templateNames[i-1]); | 
 |             if (templateRequest == nullptr) { | 
 |                 lines.append("       Not supported\n"); | 
 |                 write(fd, lines.string(), lines.size()); | 
 |             } else { | 
 |                 write(fd, lines.string(), lines.size()); | 
 |                 dump_indented_camera_metadata(templateRequest, | 
 |                         fd, /*verbosity*/2, /*indentation*/8); | 
 |             } | 
 |             free_camera_metadata(templateRequest); | 
 |         } | 
 |     } | 
 |  | 
 |     mTagMonitor.dumpMonitoredMetadata(fd); | 
 |  | 
 |     if (mInterface->valid()) { | 
 |         lines = String8("     HAL device dump:\n"); | 
 |         write(fd, lines.string(), lines.size()); | 
 |         mInterface->dump(fd); | 
 |     } | 
 |  | 
 |     if (gotLock) mLock.unlock(); | 
 |     if (gotInterfaceLock) mInterfaceLock.unlock(); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::startWatchingTags(const String8 &tags) { | 
 |     mTagMonitor.parseTagsToMonitor(tags); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::stopWatchingTags() { | 
 |     mTagMonitor.disableMonitoring(); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::dumpWatchedEventsToVector(std::vector<std::string> &out) { | 
 |     mTagMonitor.getLatestMonitoredTagEvents(out); | 
 |     return OK; | 
 | } | 
 |  | 
 | const CameraMetadata& Camera3Device::infoPhysical(const String8& physicalId) const { | 
 |     ALOGVV("%s: E", __FUNCTION__); | 
 |     if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || | 
 |                     mStatus == STATUS_ERROR)) { | 
 |         ALOGW("%s: Access to static info %s!", __FUNCTION__, | 
 |                 mStatus == STATUS_ERROR ? | 
 |                 "when in error state" : "before init"); | 
 |     } | 
 |     if (physicalId.isEmpty()) { | 
 |         return mDeviceInfo; | 
 |     } else { | 
 |         std::string id(physicalId.c_str()); | 
 |         if (mPhysicalDeviceInfoMap.find(id) != mPhysicalDeviceInfoMap.end()) { | 
 |             return mPhysicalDeviceInfoMap.at(id); | 
 |         } else { | 
 |             ALOGE("%s: Invalid physical camera id %s", __FUNCTION__, physicalId.c_str()); | 
 |             return mDeviceInfo; | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | const CameraMetadata& Camera3Device::info() const { | 
 |     String8 emptyId; | 
 |     return infoPhysical(emptyId); | 
 | } | 
 |  | 
 | status_t Camera3Device::checkStatusOkToCaptureLocked() { | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             CLOGE("Device has encountered a serious error"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             CLOGE("Device not initialized"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |         case STATUS_ACTIVE: | 
 |             // OK | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::convertMetadataListToRequestListLocked( | 
 |         const List<const PhysicalCameraSettingsList> &metadataList, | 
 |         const std::list<const SurfaceMap> &surfaceMaps, | 
 |         bool repeating, nsecs_t requestTimeNs, | 
 |         RequestList *requestList) { | 
 |     if (requestList == NULL) { | 
 |         CLOGE("requestList cannot be NULL."); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     int32_t burstId = 0; | 
 |     List<const PhysicalCameraSettingsList>::const_iterator metadataIt = metadataList.begin(); | 
 |     std::list<const SurfaceMap>::const_iterator surfaceMapIt = surfaceMaps.begin(); | 
 |     for (; metadataIt != metadataList.end() && surfaceMapIt != surfaceMaps.end(); | 
 |             ++metadataIt, ++surfaceMapIt) { | 
 |         sp<CaptureRequest> newRequest = setUpRequestLocked(*metadataIt, *surfaceMapIt); | 
 |         if (newRequest == 0) { | 
 |             CLOGE("Can't create capture request"); | 
 |             return BAD_VALUE; | 
 |         } | 
 |  | 
 |         newRequest->mRepeating = repeating; | 
 |         newRequest->mRequestTimeNs = requestTimeNs; | 
 |  | 
 |         // Setup burst Id and request Id | 
 |         newRequest->mResultExtras.burstId = burstId++; | 
 |         auto requestIdEntry = metadataIt->begin()->metadata.find(ANDROID_REQUEST_ID); | 
 |         if (requestIdEntry.count == 0) { | 
 |             CLOGE("RequestID does not exist in metadata"); | 
 |             return BAD_VALUE; | 
 |         } | 
 |         newRequest->mResultExtras.requestId = requestIdEntry.data.i32[0]; | 
 |  | 
 |         requestList->push_back(newRequest); | 
 |  | 
 |         ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); | 
 |     } | 
 |     if (metadataIt != metadataList.end() || surfaceMapIt != surfaceMaps.end()) { | 
 |         ALOGE("%s: metadataList and surfaceMaps are not the same size!", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     // Setup batch size if this is a high speed video recording request. | 
 |     if (mIsConstrainedHighSpeedConfiguration && requestList->size() > 0) { | 
 |         auto firstRequest = requestList->begin(); | 
 |         for (auto& outputStream : (*firstRequest)->mOutputStreams) { | 
 |             if (outputStream->isVideoStream()) { | 
 |                 (*firstRequest)->mBatchSize = requestList->size(); | 
 |                 outputStream->setBatchSize(requestList->size()); | 
 |                 break; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::capture(CameraMetadata &request, int64_t* lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     List<const PhysicalCameraSettingsList> requestsList; | 
 |     std::list<const SurfaceMap> surfaceMaps; | 
 |     convertToRequestList(requestsList, surfaceMaps, request); | 
 |  | 
 |     return captureList(requestsList, surfaceMaps, lastFrameNumber); | 
 | } | 
 |  | 
 | void Camera3Device::convertToRequestList(List<const PhysicalCameraSettingsList>& requestsList, | 
 |         std::list<const SurfaceMap>& surfaceMaps, | 
 |         const CameraMetadata& request) { | 
 |     PhysicalCameraSettingsList requestList; | 
 |     requestList.push_back({std::string(getId().string()), request}); | 
 |     requestsList.push_back(requestList); | 
 |  | 
 |     SurfaceMap surfaceMap; | 
 |     camera_metadata_ro_entry streams = request.find(ANDROID_REQUEST_OUTPUT_STREAMS); | 
 |     // With no surface list passed in, stream and surface will have 1-to-1 | 
 |     // mapping. So the surface index is 0 for each stream in the surfaceMap. | 
 |     for (size_t i = 0; i < streams.count; i++) { | 
 |         surfaceMap[streams.data.i32[i]].push_back(0); | 
 |     } | 
 |     surfaceMaps.push_back(surfaceMap); | 
 | } | 
 |  | 
 | status_t Camera3Device::submitRequestsHelper( | 
 |         const List<const PhysicalCameraSettingsList> &requests, | 
 |         const std::list<const SurfaceMap> &surfaceMaps, | 
 |         bool repeating, | 
 |         /*out*/ | 
 |         int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     nsecs_t requestTimeNs = systemTime(); | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     status_t res = checkStatusOkToCaptureLocked(); | 
 |     if (res != OK) { | 
 |         // error logged by previous call | 
 |         return res; | 
 |     } | 
 |  | 
 |     RequestList requestList; | 
 |  | 
 |     res = convertMetadataListToRequestListLocked(requests, surfaceMaps, | 
 |             repeating, requestTimeNs, /*out*/&requestList); | 
 |     if (res != OK) { | 
 |         // error logged by previous call | 
 |         return res; | 
 |     } | 
 |  | 
 |     if (repeating) { | 
 |         res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); | 
 |     } else { | 
 |         res = mRequestThread->queueRequestList(requestList, lastFrameNumber); | 
 |     } | 
 |  | 
 |     if (res == OK) { | 
 |         waitUntilStateThenRelock(/*active*/true, kActiveTimeout); | 
 |         if (res != OK) { | 
 |             SET_ERR_L("Can't transition to active in %f seconds!", | 
 |                     kActiveTimeout/1e9); | 
 |         } | 
 |         ALOGV("Camera %s: Capture request %" PRId32 " enqueued", mId.string(), | 
 |               (*(requestList.begin()))->mResultExtras.requestId); | 
 |     } else { | 
 |         CLOGE("Cannot queue request. Impossible."); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | status_t Camera3Device::captureList(const List<const PhysicalCameraSettingsList> &requestsList, | 
 |                                     const std::list<const SurfaceMap> &surfaceMaps, | 
 |                                     int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     return submitRequestsHelper(requestsList, surfaceMaps, /*repeating*/false, lastFrameNumber); | 
 | } | 
 |  | 
 | status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, | 
 |                                             int64_t* /*lastFrameNumber*/) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     List<const PhysicalCameraSettingsList> requestsList; | 
 |     std::list<const SurfaceMap> surfaceMaps; | 
 |     convertToRequestList(requestsList, surfaceMaps, request); | 
 |  | 
 |     return setStreamingRequestList(requestsList, /*surfaceMap*/surfaceMaps, | 
 |                                    /*lastFrameNumber*/NULL); | 
 | } | 
 |  | 
 | status_t Camera3Device::setStreamingRequestList( | 
 |         const List<const PhysicalCameraSettingsList> &requestsList, | 
 |         const std::list<const SurfaceMap> &surfaceMaps, int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     return submitRequestsHelper(requestsList, surfaceMaps, /*repeating*/true, lastFrameNumber); | 
 | } | 
 |  | 
 | sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( | 
 |         const PhysicalCameraSettingsList &request, const SurfaceMap &surfaceMap) { | 
 |     status_t res; | 
 |  | 
 |     if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { | 
 |         // This point should only be reached via API1 (API2 must explicitly call configureStreams) | 
 |         // so unilaterally select normal operating mode. | 
 |         res = filterParamsAndConfigureLocked(request.begin()->metadata, | 
 |                 CAMERA_STREAM_CONFIGURATION_NORMAL_MODE); | 
 |         // Stream configuration failed. Client might try other configuraitons. | 
 |         if (res != OK) { | 
 |             CLOGE("Can't set up streams: %s (%d)", strerror(-res), res); | 
 |             return NULL; | 
 |         } else if (mStatus == STATUS_UNCONFIGURED) { | 
 |             // Stream configuration successfully configure to empty stream configuration. | 
 |             CLOGE("No streams configured"); | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |  | 
 |     sp<CaptureRequest> newRequest = createCaptureRequest(request, surfaceMap); | 
 |     return newRequest; | 
 | } | 
 |  | 
 | status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             CLOGE("Device has encountered a serious error"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             CLOGE("Device not initialized"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |         case STATUS_ACTIVE: | 
 |             // OK | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |     ALOGV("Camera %s: Clearing repeating request", mId.string()); | 
 |  | 
 |     return mRequestThread->clearRepeatingRequests(lastFrameNumber); | 
 | } | 
 |  | 
 | status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     return mRequestThread->waitUntilRequestProcessed(requestId, timeout); | 
 | } | 
 |  | 
 | status_t Camera3Device::createInputStream( | 
 |         uint32_t width, uint32_t height, int format, bool isMultiResolution, int *id) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     nsecs_t maxExpectedDuration = getExpectedInFlightDuration(); | 
 |     Mutex::Autolock l(mLock); | 
 |     ALOGV("Camera %s: Creating new input stream %d: %d x %d, format %d", | 
 |             mId.string(), mNextStreamId, width, height, format); | 
 |  | 
 |     status_t res; | 
 |     bool wasActive = false; | 
 |  | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             ALOGE("%s: Device has encountered a serious error", __FUNCTION__); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             ALOGE("%s: Device not initialized", __FUNCTION__); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |             // OK | 
 |             break; | 
 |         case STATUS_ACTIVE: | 
 |             ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); | 
 |             res = internalPauseAndWaitLocked(maxExpectedDuration); | 
 |             if (res != OK) { | 
 |                 SET_ERR_L("Can't pause captures to reconfigure streams!"); | 
 |                 return res; | 
 |             } | 
 |             wasActive = true; | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("%s: Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |     assert(mStatus != STATUS_ACTIVE); | 
 |  | 
 |     if (mInputStream != 0) { | 
 |         ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, | 
 |                 width, height, format); | 
 |     newStream->setStatusTracker(mStatusTracker); | 
 |  | 
 |     mInputStream = newStream; | 
 |     mIsInputStreamMultiResolution = isMultiResolution; | 
 |  | 
 |     *id = mNextStreamId++; | 
 |  | 
 |     // Continue captures if active at start | 
 |     if (wasActive) { | 
 |         ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); | 
 |         // Reuse current operating mode and session parameters for new stream config | 
 |         res = configureStreamsLocked(mOperatingMode, mSessionParams); | 
 |         if (res != OK) { | 
 |             ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", | 
 |                     __FUNCTION__, mNextStreamId, strerror(-res), res); | 
 |             return res; | 
 |         } | 
 |         internalResumeLocked(); | 
 |     } | 
 |  | 
 |     ALOGV("Camera %s: Created input stream", mId.string()); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::createStream(sp<Surface> consumer, | 
 |             uint32_t width, uint32_t height, int format, | 
 |             android_dataspace dataSpace, camera_stream_rotation_t rotation, int *id, | 
 |             const String8& physicalCameraId, | 
 |             const std::unordered_set<int32_t> &sensorPixelModesUsed, | 
 |             std::vector<int> *surfaceIds, int streamSetId, bool isShared, bool isMultiResolution, | 
 |             uint64_t consumerUsage, int64_t dynamicRangeProfile, int64_t streamUseCase, | 
 |             int timestampBase, int mirrorMode) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (consumer == nullptr) { | 
 |         ALOGE("%s: consumer must not be null", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     std::vector<sp<Surface>> consumers; | 
 |     consumers.push_back(consumer); | 
 |  | 
 |     return createStream(consumers, /*hasDeferredConsumer*/ false, width, height, | 
 |             format, dataSpace, rotation, id, physicalCameraId, sensorPixelModesUsed, surfaceIds, | 
 |             streamSetId, isShared, isMultiResolution, consumerUsage, dynamicRangeProfile, | 
 |             streamUseCase, timestampBase, mirrorMode); | 
 | } | 
 |  | 
 | static bool isRawFormat(int format) { | 
 |     switch (format) { | 
 |         case HAL_PIXEL_FORMAT_RAW16: | 
 |         case HAL_PIXEL_FORMAT_RAW12: | 
 |         case HAL_PIXEL_FORMAT_RAW10: | 
 |         case HAL_PIXEL_FORMAT_RAW_OPAQUE: | 
 |             return true; | 
 |         default: | 
 |             return false; | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::createStream(const std::vector<sp<Surface>>& consumers, | 
 |         bool hasDeferredConsumer, uint32_t width, uint32_t height, int format, | 
 |         android_dataspace dataSpace, camera_stream_rotation_t rotation, int *id, | 
 |         const String8& physicalCameraId, const std::unordered_set<int32_t> &sensorPixelModesUsed, | 
 |         std::vector<int> *surfaceIds, int streamSetId, bool isShared, bool isMultiResolution, | 
 |         uint64_t consumerUsage, int64_t dynamicRangeProfile, int64_t streamUseCase, | 
 |         int timestampBase, int mirrorMode) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     nsecs_t maxExpectedDuration = getExpectedInFlightDuration(); | 
 |     Mutex::Autolock l(mLock); | 
 |     ALOGV("Camera %s: Creating new stream %d: %d x %d, format %d, dataspace %d rotation %d" | 
 |             " consumer usage %" PRIu64 ", isShared %d, physicalCameraId %s, isMultiResolution %d" | 
 |             " dynamicRangeProfile 0x%" PRIx64 ", streamUseCase %" PRId64 ", timestampBase %d," | 
 |             " mirrorMode %d", | 
 |             mId.string(), mNextStreamId, width, height, format, dataSpace, rotation, | 
 |             consumerUsage, isShared, physicalCameraId.string(), isMultiResolution, | 
 |             dynamicRangeProfile, streamUseCase, timestampBase, mirrorMode); | 
 |  | 
 |     status_t res; | 
 |     bool wasActive = false; | 
 |  | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             CLOGE("Device has encountered a serious error"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             CLOGE("Device not initialized"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |             // OK | 
 |             break; | 
 |         case STATUS_ACTIVE: | 
 |             ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); | 
 |             res = internalPauseAndWaitLocked(maxExpectedDuration); | 
 |             if (res != OK) { | 
 |                 SET_ERR_L("Can't pause captures to reconfigure streams!"); | 
 |                 return res; | 
 |             } | 
 |             wasActive = true; | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |     assert(mStatus != STATUS_ACTIVE); | 
 |  | 
 |     sp<Camera3OutputStream> newStream; | 
 |  | 
 |     if (consumers.size() == 0 && !hasDeferredConsumer) { | 
 |         ALOGE("%s: Number of consumers cannot be smaller than 1", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (hasDeferredConsumer && format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { | 
 |         ALOGE("Deferred consumer stream creation only support IMPLEMENTATION_DEFINED format"); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (isRawFormat(format) && sensorPixelModesUsed.size() > 1) { | 
 |         // We can't use one stream with a raw format in both sensor pixel modes since its going to | 
 |         // be found in only one sensor pixel mode. | 
 |         ALOGE("%s: RAW opaque stream cannot be used with > 1 sensor pixel modes", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     IPCTransport transport = getTransportType(); | 
 |     if (format == HAL_PIXEL_FORMAT_BLOB) { | 
 |         ssize_t blobBufferSize; | 
 |         if (dataSpace == HAL_DATASPACE_DEPTH) { | 
 |             blobBufferSize = getPointCloudBufferSize(infoPhysical(physicalCameraId)); | 
 |             if (blobBufferSize <= 0) { | 
 |                 SET_ERR_L("Invalid point cloud buffer size %zd", blobBufferSize); | 
 |                 return BAD_VALUE; | 
 |             } | 
 |         } else if (dataSpace == static_cast<android_dataspace>(HAL_DATASPACE_JPEG_APP_SEGMENTS)) { | 
 |             blobBufferSize = width * height; | 
 |         } else { | 
 |             blobBufferSize = getJpegBufferSize(infoPhysical(physicalCameraId), width, height); | 
 |             if (blobBufferSize <= 0) { | 
 |                 SET_ERR_L("Invalid jpeg buffer size %zd", blobBufferSize); | 
 |                 return BAD_VALUE; | 
 |             } | 
 |         } | 
 |         newStream = new Camera3OutputStream(mNextStreamId, consumers[0], | 
 |                 width, height, blobBufferSize, format, dataSpace, rotation, | 
 |                 mTimestampOffset, physicalCameraId, sensorPixelModesUsed, transport, streamSetId, | 
 |                 isMultiResolution, dynamicRangeProfile, streamUseCase, mDeviceTimeBaseIsRealtime, | 
 |                 timestampBase, mirrorMode); | 
 |     } else if (format == HAL_PIXEL_FORMAT_RAW_OPAQUE) { | 
 |         bool maxResolution = | 
 |                 sensorPixelModesUsed.find(ANDROID_SENSOR_PIXEL_MODE_MAXIMUM_RESOLUTION) != | 
 |                         sensorPixelModesUsed.end(); | 
 |         ssize_t rawOpaqueBufferSize = getRawOpaqueBufferSize(infoPhysical(physicalCameraId), width, | 
 |                 height, maxResolution); | 
 |         if (rawOpaqueBufferSize <= 0) { | 
 |             SET_ERR_L("Invalid RAW opaque buffer size %zd", rawOpaqueBufferSize); | 
 |             return BAD_VALUE; | 
 |         } | 
 |         newStream = new Camera3OutputStream(mNextStreamId, consumers[0], | 
 |                 width, height, rawOpaqueBufferSize, format, dataSpace, rotation, | 
 |                 mTimestampOffset, physicalCameraId, sensorPixelModesUsed, transport, streamSetId, | 
 |                 isMultiResolution, dynamicRangeProfile, streamUseCase, mDeviceTimeBaseIsRealtime, | 
 |                 timestampBase, mirrorMode); | 
 |     } else if (isShared) { | 
 |         newStream = new Camera3SharedOutputStream(mNextStreamId, consumers, | 
 |                 width, height, format, consumerUsage, dataSpace, rotation, | 
 |                 mTimestampOffset, physicalCameraId, sensorPixelModesUsed, transport, streamSetId, | 
 |                 mUseHalBufManager, dynamicRangeProfile, streamUseCase, mDeviceTimeBaseIsRealtime, | 
 |                 timestampBase, mirrorMode); | 
 |     } else if (consumers.size() == 0 && hasDeferredConsumer) { | 
 |         newStream = new Camera3OutputStream(mNextStreamId, | 
 |                 width, height, format, consumerUsage, dataSpace, rotation, | 
 |                 mTimestampOffset, physicalCameraId, sensorPixelModesUsed, transport, streamSetId, | 
 |                 isMultiResolution, dynamicRangeProfile, streamUseCase, mDeviceTimeBaseIsRealtime, | 
 |                 timestampBase, mirrorMode); | 
 |     } else { | 
 |         newStream = new Camera3OutputStream(mNextStreamId, consumers[0], | 
 |                 width, height, format, dataSpace, rotation, | 
 |                 mTimestampOffset, physicalCameraId, sensorPixelModesUsed, transport, streamSetId, | 
 |                 isMultiResolution, dynamicRangeProfile, streamUseCase, mDeviceTimeBaseIsRealtime, | 
 |                 timestampBase, mirrorMode); | 
 |     } | 
 |  | 
 |     size_t consumerCount = consumers.size(); | 
 |     for (size_t i = 0; i < consumerCount; i++) { | 
 |         int id = newStream->getSurfaceId(consumers[i]); | 
 |         if (id < 0) { | 
 |             SET_ERR_L("Invalid surface id"); | 
 |             return BAD_VALUE; | 
 |         } | 
 |         if (surfaceIds != nullptr) { | 
 |             surfaceIds->push_back(id); | 
 |         } | 
 |     } | 
 |  | 
 |     newStream->setStatusTracker(mStatusTracker); | 
 |  | 
 |     newStream->setBufferManager(mBufferManager); | 
 |  | 
 |     newStream->setImageDumpMask(mImageDumpMask); | 
 |  | 
 |     res = mOutputStreams.add(mNextStreamId, newStream); | 
 |     if (res < 0) { | 
 |         SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); | 
 |         return res; | 
 |     } | 
 |  | 
 |     mSessionStatsBuilder.addStream(mNextStreamId); | 
 |  | 
 |     *id = mNextStreamId++; | 
 |     mNeedConfig = true; | 
 |  | 
 |     // Continue captures if active at start | 
 |     if (wasActive) { | 
 |         ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); | 
 |         // Reuse current operating mode and session parameters for new stream config | 
 |         res = configureStreamsLocked(mOperatingMode, mSessionParams); | 
 |         if (res != OK) { | 
 |             CLOGE("Can't reconfigure device for new stream %d: %s (%d)", | 
 |                     mNextStreamId, strerror(-res), res); | 
 |             return res; | 
 |         } | 
 |         internalResumeLocked(); | 
 |     } | 
 |     ALOGV("Camera %s: Created new stream", mId.string()); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::getStreamInfo(int id, StreamInfo *streamInfo) { | 
 |     ATRACE_CALL(); | 
 |     if (nullptr == streamInfo) { | 
 |         return BAD_VALUE; | 
 |     } | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             CLOGE("Device has encountered a serious error"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             CLOGE("Device not initialized!"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |         case STATUS_ACTIVE: | 
 |             // OK | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     sp<Camera3StreamInterface> stream = mOutputStreams.get(id); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d is unknown", id); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     streamInfo->width  = stream->getWidth(); | 
 |     streamInfo->height = stream->getHeight(); | 
 |     streamInfo->format = stream->getFormat(); | 
 |     streamInfo->dataSpace = stream->getDataSpace(); | 
 |     streamInfo->formatOverridden = stream->isFormatOverridden(); | 
 |     streamInfo->originalFormat = stream->getOriginalFormat(); | 
 |     streamInfo->dataSpaceOverridden = stream->isDataSpaceOverridden(); | 
 |     streamInfo->originalDataSpace = stream->getOriginalDataSpace(); | 
 |     streamInfo->dynamicRangeProfile = stream->getDynamicRangeProfile(); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::setStreamTransform(int id, | 
 |         int transform) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     switch (mStatus) { | 
 |         case STATUS_ERROR: | 
 |             CLOGE("Device has encountered a serious error"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNINITIALIZED: | 
 |             CLOGE("Device not initialized"); | 
 |             return INVALID_OPERATION; | 
 |         case STATUS_UNCONFIGURED: | 
 |         case STATUS_CONFIGURED: | 
 |         case STATUS_ACTIVE: | 
 |             // OK | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d", mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     sp<Camera3OutputStreamInterface> stream = mOutputStreams.get(id); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d does not exist", id); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     return stream->setTransform(transform, false /*mayChangeMirror*/); | 
 | } | 
 |  | 
 | status_t Camera3Device::deleteStream(int id) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |     status_t res; | 
 |  | 
 |     ALOGV("%s: Camera %s: Deleting stream %d", __FUNCTION__, mId.string(), id); | 
 |  | 
 |     // CameraDevice semantics require device to already be idle before | 
 |     // deleteStream is called, unlike for createStream. | 
 |     if (mStatus == STATUS_ACTIVE) { | 
 |         ALOGW("%s: Camera %s: Device not idle", __FUNCTION__, mId.string()); | 
 |         return -EBUSY; | 
 |     } | 
 |  | 
 |     if (mStatus == STATUS_ERROR) { | 
 |         ALOGW("%s: Camera %s: deleteStream not allowed in ERROR state", | 
 |                 __FUNCTION__, mId.string()); | 
 |         return -EBUSY; | 
 |     } | 
 |  | 
 |     sp<Camera3StreamInterface> deletedStream; | 
 |     sp<Camera3StreamInterface> stream = mOutputStreams.get(id); | 
 |     if (mInputStream != NULL && id == mInputStream->getId()) { | 
 |         deletedStream = mInputStream; | 
 |         mInputStream.clear(); | 
 |     } else { | 
 |         if (stream == nullptr) { | 
 |             CLOGE("Stream %d does not exist", id); | 
 |             return BAD_VALUE; | 
 |         } | 
 |         mSessionStatsBuilder.removeStream(id); | 
 |     } | 
 |  | 
 |     // Delete output stream or the output part of a bi-directional stream. | 
 |     if (stream != nullptr) { | 
 |         deletedStream = stream; | 
 |         mOutputStreams.remove(id); | 
 |     } | 
 |  | 
 |     // Free up the stream endpoint so that it can be used by some other stream | 
 |     res = deletedStream->disconnect(); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Can't disconnect deleted stream %d", id); | 
 |         // fall through since we want to still list the stream as deleted. | 
 |     } | 
 |     mDeletedStreams.add(deletedStream); | 
 |     mNeedConfig = true; | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | status_t Camera3Device::configureStreams(const CameraMetadata& sessionParams, int operatingMode) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: E", __FUNCTION__); | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     // In case the client doesn't include any session parameter, try a | 
 |     // speculative configuration using the values from the last cached | 
 |     // default request. | 
 |     if (sessionParams.isEmpty() && | 
 |             ((mLastTemplateId > 0) && (mLastTemplateId < CAMERA_TEMPLATE_COUNT)) && | 
 |             (!mRequestTemplateCache[mLastTemplateId].isEmpty())) { | 
 |         ALOGV("%s: Speculative session param configuration with template id: %d", __func__, | 
 |                 mLastTemplateId); | 
 |         return filterParamsAndConfigureLocked(mRequestTemplateCache[mLastTemplateId], | 
 |                 operatingMode); | 
 |     } | 
 |  | 
 |     return filterParamsAndConfigureLocked(sessionParams, operatingMode); | 
 | } | 
 |  | 
 | status_t Camera3Device::filterParamsAndConfigureLocked(const CameraMetadata& sessionParams, | 
 |         int operatingMode) { | 
 |     //Filter out any incoming session parameters | 
 |     const CameraMetadata params(sessionParams); | 
 |     camera_metadata_entry_t availableSessionKeys = mDeviceInfo.find( | 
 |             ANDROID_REQUEST_AVAILABLE_SESSION_KEYS); | 
 |     CameraMetadata filteredParams(availableSessionKeys.count); | 
 |     camera_metadata_t *meta = const_cast<camera_metadata_t *>( | 
 |             filteredParams.getAndLock()); | 
 |     set_camera_metadata_vendor_id(meta, mVendorTagId); | 
 |     filteredParams.unlock(meta); | 
 |     if (availableSessionKeys.count > 0) { | 
 |         for (size_t i = 0; i < availableSessionKeys.count; i++) { | 
 |             camera_metadata_ro_entry entry = params.find( | 
 |                     availableSessionKeys.data.i32[i]); | 
 |             if (entry.count > 0) { | 
 |                 filteredParams.update(entry); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     return configureStreamsLocked(operatingMode, filteredParams); | 
 | } | 
 |  | 
 | status_t Camera3Device::getInputBufferProducer( | 
 |         sp<IGraphicBufferProducer> *producer) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     if (producer == NULL) { | 
 |         return BAD_VALUE; | 
 |     } else if (mInputStream == NULL) { | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     return mInputStream->getInputBufferProducer(producer); | 
 | } | 
 |  | 
 | status_t Camera3Device::createDefaultRequest(camera_request_template_t templateId, | 
 |         CameraMetadata *request) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: for template %d", __FUNCTION__, templateId); | 
 |  | 
 |     if (templateId <= 0 || templateId >= CAMERA_TEMPLATE_COUNT) { | 
 |         android_errorWriteWithInfoLog(CameraService::SN_EVENT_LOG_ID, "26866110", | 
 |                 CameraThreadState::getCallingUid(), nullptr, 0); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     { | 
 |         Mutex::Autolock l(mLock); | 
 |         switch (mStatus) { | 
 |             case STATUS_ERROR: | 
 |                 CLOGE("Device has encountered a serious error"); | 
 |                 return INVALID_OPERATION; | 
 |             case STATUS_UNINITIALIZED: | 
 |                 CLOGE("Device is not initialized!"); | 
 |                 return INVALID_OPERATION; | 
 |             case STATUS_UNCONFIGURED: | 
 |             case STATUS_CONFIGURED: | 
 |             case STATUS_ACTIVE: | 
 |                 // OK | 
 |                 break; | 
 |             default: | 
 |                 SET_ERR_L("Unexpected status: %d", mStatus); | 
 |                 return INVALID_OPERATION; | 
 |         } | 
 |  | 
 |         if (!mRequestTemplateCache[templateId].isEmpty()) { | 
 |             *request = mRequestTemplateCache[templateId]; | 
 |             mLastTemplateId = templateId; | 
 |             return OK; | 
 |         } | 
 |     } | 
 |  | 
 |     camera_metadata_t *rawRequest; | 
 |     status_t res = mInterface->constructDefaultRequestSettings( | 
 |             (camera_request_template_t) templateId, &rawRequest); | 
 |  | 
 |     { | 
 |         Mutex::Autolock l(mLock); | 
 |         if (res == BAD_VALUE) { | 
 |             ALOGI("%s: template %d is not supported on this camera device", | 
 |                   __FUNCTION__, templateId); | 
 |             return res; | 
 |         } else if (res != OK) { | 
 |             CLOGE("Unable to construct request template %d: %s (%d)", | 
 |                     templateId, strerror(-res), res); | 
 |             return res; | 
 |         } | 
 |  | 
 |         set_camera_metadata_vendor_id(rawRequest, mVendorTagId); | 
 |         mRequestTemplateCache[templateId].acquire(rawRequest); | 
 |  | 
 |         // Override the template request with zoomRatioMapper | 
 |         res = mZoomRatioMappers[mId.c_str()].initZoomRatioInTemplate( | 
 |                 &mRequestTemplateCache[templateId]); | 
 |         if (res != OK) { | 
 |             CLOGE("Failed to update zoom ratio for template %d: %s (%d)", | 
 |                     templateId, strerror(-res), res); | 
 |             return res; | 
 |         } | 
 |  | 
 |         // Fill in JPEG_QUALITY if not available | 
 |         if (!mRequestTemplateCache[templateId].exists(ANDROID_JPEG_QUALITY)) { | 
 |             static const uint8_t kDefaultJpegQuality = 95; | 
 |             mRequestTemplateCache[templateId].update(ANDROID_JPEG_QUALITY, | 
 |                     &kDefaultJpegQuality, 1); | 
 |         } | 
 |  | 
 |         *request = mRequestTemplateCache[templateId]; | 
 |         mLastTemplateId = templateId; | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::waitUntilDrained() { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     nsecs_t maxExpectedDuration = getExpectedInFlightDuration(); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     return waitUntilDrainedLocked(maxExpectedDuration); | 
 | } | 
 |  | 
 | status_t Camera3Device::waitUntilDrainedLocked(nsecs_t maxExpectedDuration) { | 
 |     switch (mStatus) { | 
 |         case STATUS_UNINITIALIZED: | 
 |         case STATUS_UNCONFIGURED: | 
 |             ALOGV("%s: Already idle", __FUNCTION__); | 
 |             return OK; | 
 |         case STATUS_CONFIGURED: | 
 |             // To avoid race conditions, check with tracker to be sure | 
 |         case STATUS_ERROR: | 
 |         case STATUS_ACTIVE: | 
 |             // Need to verify shut down | 
 |             break; | 
 |         default: | 
 |             SET_ERR_L("Unexpected status: %d",mStatus); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |     ALOGV("%s: Camera %s: Waiting until idle (%" PRIi64 "ns)", __FUNCTION__, mId.string(), | 
 |             maxExpectedDuration); | 
 |     status_t res = waitUntilStateThenRelock(/*active*/ false, maxExpectedDuration); | 
 |     if (res != OK) { | 
 |         mStatusTracker->dumpActiveComponents(); | 
 |         SET_ERR_L("Error waiting for HAL to drain: %s (%d)", strerror(-res), | 
 |                 res); | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | void Camera3Device::internalUpdateStatusLocked(Status status) { | 
 |     mStatus = status; | 
 |     mRecentStatusUpdates.add(mStatus); | 
 |     mStatusChanged.broadcast(); | 
 | } | 
 |  | 
 | // Pause to reconfigure | 
 | status_t Camera3Device::internalPauseAndWaitLocked(nsecs_t maxExpectedDuration) { | 
 |     if (mRequestThread.get() != nullptr) { | 
 |         mRequestThread->setPaused(true); | 
 |     } else { | 
 |         return NO_INIT; | 
 |     } | 
 |  | 
 |     ALOGV("%s: Camera %s: Internal wait until idle (% " PRIi64 " ns)", __FUNCTION__, mId.string(), | 
 |           maxExpectedDuration); | 
 |     status_t res = waitUntilStateThenRelock(/*active*/ false, maxExpectedDuration); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Can't idle device in %f seconds!", | 
 |                 maxExpectedDuration/1e9); | 
 |     } | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | // Resume after internalPauseAndWaitLocked | 
 | status_t Camera3Device::internalResumeLocked() { | 
 |     status_t res; | 
 |  | 
 |     mRequestThread->setPaused(false); | 
 |  | 
 |     ALOGV("%s: Camera %s: Internal wait until active (% " PRIi64 " ns)", __FUNCTION__, mId.string(), | 
 |             kActiveTimeout); | 
 |     res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Can't transition to active in %f seconds!", | 
 |                 kActiveTimeout/1e9); | 
 |     } | 
 |     mPauseStateNotify = false; | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::waitUntilStateThenRelock(bool active, nsecs_t timeout) { | 
 |     status_t res = OK; | 
 |  | 
 |     size_t startIndex = 0; | 
 |     if (mStatusWaiters == 0) { | 
 |         // Clear the list of recent statuses if there are no existing threads waiting on updates to | 
 |         // this status list | 
 |         mRecentStatusUpdates.clear(); | 
 |     } else { | 
 |         // If other threads are waiting on updates to this status list, set the position of the | 
 |         // first element that this list will check rather than clearing the list. | 
 |         startIndex = mRecentStatusUpdates.size(); | 
 |     } | 
 |  | 
 |     mStatusWaiters++; | 
 |  | 
 |     bool signalPipelineDrain = false; | 
 |     if (!active && mUseHalBufManager) { | 
 |         auto streamIds = mOutputStreams.getStreamIds(); | 
 |         if (mStatus == STATUS_ACTIVE) { | 
 |             mRequestThread->signalPipelineDrain(streamIds); | 
 |             signalPipelineDrain = true; | 
 |         } | 
 |         mRequestBufferSM.onWaitUntilIdle(); | 
 |     } | 
 |  | 
 |     bool stateSeen = false; | 
 |     nsecs_t startTime = systemTime(); | 
 |     do { | 
 |         if (active == (mStatus == STATUS_ACTIVE)) { | 
 |             // Desired state is current | 
 |             break; | 
 |         } | 
 |  | 
 |         nsecs_t timeElapsed = systemTime() - startTime; | 
 |         nsecs_t timeToWait = timeout - timeElapsed; | 
 |         if (timeToWait <= 0) { | 
 |             // Thread woke up spuriously but has timed out since. | 
 |             // Force out of loop with TIMED_OUT result. | 
 |             res = TIMED_OUT; | 
 |             break; | 
 |         } | 
 |         res = mStatusChanged.waitRelative(mLock, timeToWait); | 
 |         if (res != OK) break; | 
 |  | 
 |         // This is impossible, but if not, could result in subtle deadlocks and invalid state | 
 |         // transitions. | 
 |         LOG_ALWAYS_FATAL_IF(startIndex > mRecentStatusUpdates.size(), | 
 |                 "%s: Skipping status updates in Camera3Device, may result in deadlock.", | 
 |                 __FUNCTION__); | 
 |  | 
 |         // Encountered desired state since we began waiting | 
 |         for (size_t i = startIndex; i < mRecentStatusUpdates.size(); i++) { | 
 |             if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { | 
 |                 stateSeen = true; | 
 |                 break; | 
 |             } | 
 |         } | 
 |     } while (!stateSeen); | 
 |  | 
 |     if (signalPipelineDrain) { | 
 |         mRequestThread->resetPipelineDrain(); | 
 |     } | 
 |  | 
 |     mStatusWaiters--; | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 |  | 
 | status_t Camera3Device::setNotifyCallback(wp<NotificationListener> listener) { | 
 |     ATRACE_CALL(); | 
 |     std::lock_guard<std::mutex> l(mOutputLock); | 
 |  | 
 |     if (listener != NULL && mListener != NULL) { | 
 |         ALOGW("%s: Replacing old callback listener", __FUNCTION__); | 
 |     } | 
 |     mListener = listener; | 
 |     mRequestThread->setNotificationListener(listener); | 
 |     mPreparerThread->setNotificationListener(listener); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | bool Camera3Device::willNotify3A() { | 
 |     return false; | 
 | } | 
 |  | 
 | status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { | 
 |     ATRACE_CALL(); | 
 |     std::unique_lock<std::mutex> l(mOutputLock); | 
 |  | 
 |     while (mResultQueue.empty()) { | 
 |         auto st = mResultSignal.wait_for(l, std::chrono::nanoseconds(timeout)); | 
 |         if (st == std::cv_status::timeout) { | 
 |             return TIMED_OUT; | 
 |         } | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::getNextResult(CaptureResult *frame) { | 
 |     ATRACE_CALL(); | 
 |     std::lock_guard<std::mutex> l(mOutputLock); | 
 |  | 
 |     if (mResultQueue.empty()) { | 
 |         return NOT_ENOUGH_DATA; | 
 |     } | 
 |  | 
 |     if (frame == NULL) { | 
 |         ALOGE("%s: argument cannot be NULL", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     CaptureResult &result = *(mResultQueue.begin()); | 
 |     frame->mResultExtras = result.mResultExtras; | 
 |     frame->mMetadata.acquire(result.mMetadata); | 
 |     frame->mPhysicalMetadatas = std::move(result.mPhysicalMetadatas); | 
 |     mResultQueue.erase(mResultQueue.begin()); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::triggerAutofocus(uint32_t id) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); | 
 |     // Mix-in this trigger into the next request and only the next request. | 
 |     RequestTrigger trigger[] = { | 
 |         { | 
 |             ANDROID_CONTROL_AF_TRIGGER, | 
 |             ANDROID_CONTROL_AF_TRIGGER_START | 
 |         }, | 
 |         { | 
 |             ANDROID_CONTROL_AF_TRIGGER_ID, | 
 |             static_cast<int32_t>(id) | 
 |         } | 
 |     }; | 
 |  | 
 |     return mRequestThread->queueTrigger(trigger, | 
 |                                         sizeof(trigger)/sizeof(trigger[0])); | 
 | } | 
 |  | 
 | status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); | 
 |     // Mix-in this trigger into the next request and only the next request. | 
 |     RequestTrigger trigger[] = { | 
 |         { | 
 |             ANDROID_CONTROL_AF_TRIGGER, | 
 |             ANDROID_CONTROL_AF_TRIGGER_CANCEL | 
 |         }, | 
 |         { | 
 |             ANDROID_CONTROL_AF_TRIGGER_ID, | 
 |             static_cast<int32_t>(id) | 
 |         } | 
 |     }; | 
 |  | 
 |     return mRequestThread->queueTrigger(trigger, | 
 |                                         sizeof(trigger)/sizeof(trigger[0])); | 
 | } | 
 |  | 
 | status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); | 
 |     // Mix-in this trigger into the next request and only the next request. | 
 |     RequestTrigger trigger[] = { | 
 |         { | 
 |             ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, | 
 |             ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START | 
 |         }, | 
 |         { | 
 |             ANDROID_CONTROL_AE_PRECAPTURE_ID, | 
 |             static_cast<int32_t>(id) | 
 |         } | 
 |     }; | 
 |  | 
 |     return mRequestThread->queueTrigger(trigger, | 
 |                                         sizeof(trigger)/sizeof(trigger[0])); | 
 | } | 
 |  | 
 | status_t Camera3Device::flush(int64_t *frameNumber) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Camera %s: Flushing all requests", __FUNCTION__, mId.string()); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     { | 
 |         Mutex::Autolock l(mLock); | 
 |  | 
 |         // b/116514106 "disconnect()" can get called twice for the same device. The | 
 |         // camera device will not be initialized during the second run. | 
 |         if (mStatus == STATUS_UNINITIALIZED) { | 
 |             return OK; | 
 |         } | 
 |  | 
 |         mRequestThread->clear(/*out*/frameNumber); | 
 |  | 
 |         // Stop session and stream counter | 
 |         mSessionStatsBuilder.stopCounter(); | 
 |     } | 
 |  | 
 |     // Calculate expected duration for flush with additional buffer time in ms for watchdog | 
 |     uint64_t maxExpectedDuration = ns2ms(getExpectedInFlightDuration() + kBaseGetBufferWait); | 
 |     status_t res = mCameraServiceWatchdog->WATCH_CUSTOM_TIMER(mRequestThread->flush(), | 
 |             maxExpectedDuration / kCycleLengthMs, kCycleLengthMs); | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | status_t Camera3Device::prepare(int streamId) { | 
 |     return prepare(camera3::Camera3StreamInterface::ALLOCATE_PIPELINE_MAX, streamId); | 
 | } | 
 |  | 
 | status_t Camera3Device::prepare(int maxCount, int streamId) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Camera %s: Preparing stream %d", __FUNCTION__, mId.string(), streamId); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     sp<Camera3StreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d does not exist", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (stream->isUnpreparable() || stream->hasOutstandingBuffers() ) { | 
 |         CLOGE("Stream %d has already been a request target", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (mRequestThread->isStreamPending(stream)) { | 
 |         CLOGE("Stream %d is already a target in a pending request", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     return mPreparerThread->prepare(maxCount, stream); | 
 | } | 
 |  | 
 | status_t Camera3Device::tearDown(int streamId) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Camera %s: Tearing down stream %d", __FUNCTION__, mId.string(), streamId); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     sp<Camera3StreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d does not exist", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (stream->hasOutstandingBuffers() || mRequestThread->isStreamPending(stream)) { | 
 |         CLOGE("Stream %d is a target of a in-progress request", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     return stream->tearDown(); | 
 | } | 
 |  | 
 | status_t Camera3Device::addBufferListenerForStream(int streamId, | 
 |         wp<Camera3StreamBufferListener> listener) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Camera %s: Adding buffer listener for stream %d", __FUNCTION__, mId.string(), streamId); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     sp<Camera3StreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d does not exist", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     stream->addBufferListener(listener); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | float Camera3Device::getMaxPreviewFps(sp<camera3::Camera3OutputStreamInterface> stream) { | 
 |     camera_metadata_entry minDurations = | 
 |             mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS); | 
 |     for (size_t i = 0; i < minDurations.count; i += 4) { | 
 |         if (minDurations.data.i64[i] == stream->getFormat() | 
 |                 && minDurations.data.i64[i+1] == stream->getWidth() | 
 |                 && minDurations.data.i64[i+2] == stream->getHeight()) { | 
 |             int64_t minFrameDuration = minDurations.data.i64[i+3]; | 
 |             return 1e9f / minFrameDuration; | 
 |         } | 
 |     } | 
 |     return 0.0f; | 
 | } | 
 |  | 
 | /** | 
 |  * Methods called by subclasses | 
 |  */ | 
 |  | 
 | void Camera3Device::notifyStatus(bool idle) { | 
 |     ATRACE_CALL(); | 
 |     std::vector<int> streamIds; | 
 |     std::vector<hardware::CameraStreamStats> streamStats; | 
 |     float sessionMaxPreviewFps = 0.0f; | 
 |  | 
 |     { | 
 |         // Need mLock to safely update state and synchronize to current | 
 |         // state of methods in flight. | 
 |         Mutex::Autolock l(mLock); | 
 |         // We can get various system-idle notices from the status tracker | 
 |         // while starting up. Only care about them if we've actually sent | 
 |         // in some requests recently. | 
 |         if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { | 
 |             return; | 
 |         } | 
 |         ALOGV("%s: Camera %s: Now %s, pauseState: %s", __FUNCTION__, mId.string(), | 
 |                 idle ? "idle" : "active", mPauseStateNotify ? "true" : "false"); | 
 |         internalUpdateStatusLocked(idle ? STATUS_CONFIGURED : STATUS_ACTIVE); | 
 |  | 
 |         // Skip notifying listener if we're doing some user-transparent | 
 |         // state changes | 
 |         if (mPauseStateNotify) return; | 
 |  | 
 |         for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |             auto stream = mOutputStreams[i]; | 
 |             if (stream.get() == nullptr) continue; | 
 |  | 
 |             float streamMaxPreviewFps = getMaxPreviewFps(stream); | 
 |             sessionMaxPreviewFps = std::max(sessionMaxPreviewFps, streamMaxPreviewFps); | 
 |  | 
 |             // Populate stream statistics in case of Idle | 
 |             if (idle) { | 
 |                 streamIds.push_back(stream->getId()); | 
 |                 Camera3Stream* camera3Stream = Camera3Stream::cast(stream->asHalStream()); | 
 |                 int64_t usage = 0LL; | 
 |                 int64_t streamUseCase = ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT; | 
 |                 if (camera3Stream != nullptr) { | 
 |                     usage = camera3Stream->getUsage(); | 
 |                     streamUseCase = camera3Stream->getStreamUseCase(); | 
 |                 } | 
 |                 streamStats.emplace_back(stream->getWidth(), stream->getHeight(), | 
 |                     stream->getFormat(), streamMaxPreviewFps, stream->getDataSpace(), usage, | 
 |                     stream->getMaxHalBuffers(), | 
 |                     stream->getMaxTotalBuffers() - stream->getMaxHalBuffers(), | 
 |                     stream->getDynamicRangeProfile(), streamUseCase); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     sp<NotificationListener> listener; | 
 |     { | 
 |         std::lock_guard<std::mutex> l(mOutputLock); | 
 |         listener = mListener.promote(); | 
 |     } | 
 |     status_t res = OK; | 
 |     if (listener != nullptr) { | 
 |         if (idle) { | 
 |             // Get session stats from the builder, and notify the listener. | 
 |             int64_t requestCount, resultErrorCount; | 
 |             bool deviceError; | 
 |             std::map<int, StreamStats> streamStatsMap; | 
 |             mSessionStatsBuilder.buildAndReset(&requestCount, &resultErrorCount, | 
 |                     &deviceError, &streamStatsMap); | 
 |             for (size_t i = 0; i < streamIds.size(); i++) { | 
 |                 int streamId = streamIds[i]; | 
 |                 auto stats = streamStatsMap.find(streamId); | 
 |                 if (stats != streamStatsMap.end()) { | 
 |                     streamStats[i].mRequestCount = stats->second.mRequestedFrameCount; | 
 |                     streamStats[i].mErrorCount = stats->second.mDroppedFrameCount; | 
 |                     streamStats[i].mStartLatencyMs = stats->second.mStartLatencyMs; | 
 |                     streamStats[i].mHistogramType = | 
 |                             hardware::CameraStreamStats::HISTOGRAM_TYPE_CAPTURE_LATENCY; | 
 |                     streamStats[i].mHistogramBins.assign( | 
 |                             stats->second.mCaptureLatencyBins.begin(), | 
 |                             stats->second.mCaptureLatencyBins.end()); | 
 |                     streamStats[i].mHistogramCounts.assign( | 
 |                            stats->second.mCaptureLatencyHistogram.begin(), | 
 |                            stats->second.mCaptureLatencyHistogram.end()); | 
 |                 } | 
 |             } | 
 |             listener->notifyIdle(requestCount, resultErrorCount, deviceError, streamStats); | 
 |         } else { | 
 |             res = listener->notifyActive(sessionMaxPreviewFps); | 
 |         } | 
 |     } | 
 |     if (res != OK) { | 
 |         SET_ERR("Camera access permission lost mid-operation: %s (%d)", | 
 |                 strerror(-res), res); | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::setConsumerSurfaces(int streamId, | 
 |         const std::vector<sp<Surface>>& consumers, std::vector<int> *surfaceIds) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("%s: Camera %s: set consumer surface for stream %d", | 
 |             __FUNCTION__, mId.string(), streamId); | 
 |  | 
 |     if (surfaceIds == nullptr) { | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     if (consumers.size() == 0) { | 
 |         CLOGE("No consumer is passed!"); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     sp<Camera3OutputStreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d is unknown", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     // isConsumerConfigurationDeferred will be off after setConsumers | 
 |     bool isDeferred = stream->isConsumerConfigurationDeferred(); | 
 |     status_t res = stream->setConsumers(consumers); | 
 |     if (res != OK) { | 
 |         CLOGE("Stream %d set consumer failed (error %d %s) ", streamId, res, strerror(-res)); | 
 |         return res; | 
 |     } | 
 |  | 
 |     for (auto &consumer : consumers) { | 
 |         int id = stream->getSurfaceId(consumer); | 
 |         if (id < 0) { | 
 |             CLOGE("Invalid surface id!"); | 
 |             return BAD_VALUE; | 
 |         } | 
 |         surfaceIds->push_back(id); | 
 |     } | 
 |  | 
 |     if (isDeferred) { | 
 |         if (!stream->isConfiguring()) { | 
 |             CLOGE("Stream %d was already fully configured.", streamId); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |  | 
 |         res = stream->finishConfiguration(); | 
 |         if (res != OK) { | 
 |             // If finishConfiguration fails due to abandoned surface, do not set | 
 |             // device to error state. | 
 |             bool isSurfaceAbandoned = | 
 |                     (res == NO_INIT || res == DEAD_OBJECT) && stream->isAbandoned(); | 
 |             if (!isSurfaceAbandoned) { | 
 |                 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", | 
 |                         stream->getId(), strerror(-res), res); | 
 |             } | 
 |             return res; | 
 |         } | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::updateStream(int streamId, const std::vector<sp<Surface>> &newSurfaces, | 
 |         const std::vector<OutputStreamInfo> &outputInfo, | 
 |         const std::vector<size_t> &removedSurfaceIds, KeyedVector<sp<Surface>, size_t> *outputMap) { | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     sp<Camera3OutputStreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         CLOGE("Stream %d is unknown", streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     for (const auto &it : removedSurfaceIds) { | 
 |         if (mRequestThread->isOutputSurfacePending(streamId, it)) { | 
 |             CLOGE("Shared surface still part of a pending request!"); | 
 |             return -EBUSY; | 
 |         } | 
 |     } | 
 |  | 
 |     status_t res = stream->updateStream(newSurfaces, outputInfo, removedSurfaceIds, outputMap); | 
 |     if (res != OK) { | 
 |         CLOGE("Stream %d failed to update stream (error %d %s) ", | 
 |               streamId, res, strerror(-res)); | 
 |         if (res == UNKNOWN_ERROR) { | 
 |             SET_ERR_L("%s: Stream update failed to revert to previous output configuration!", | 
 |                     __FUNCTION__); | 
 |         } | 
 |         return res; | 
 |     } | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | status_t Camera3Device::dropStreamBuffers(bool dropping, int streamId) { | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     sp<Camera3OutputStreamInterface> stream = mOutputStreams.get(streamId); | 
 |     if (stream == nullptr) { | 
 |         ALOGE("%s: Stream %d is not found.", __FUNCTION__, streamId); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     if (dropping) { | 
 |         mSessionStatsBuilder.stopCounter(streamId); | 
 |     } else { | 
 |         mSessionStatsBuilder.startCounter(streamId); | 
 |     } | 
 |     return stream->dropBuffers(dropping); | 
 | } | 
 |  | 
 | /** | 
 |  * Camera3Device private methods | 
 |  */ | 
 |  | 
 | sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( | 
 |         const PhysicalCameraSettingsList &request, const SurfaceMap &surfaceMap) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     sp<CaptureRequest> newRequest = new CaptureRequest(); | 
 |     newRequest->mSettingsList = request; | 
 |  | 
 |     camera_metadata_entry_t inputStreams = | 
 |             newRequest->mSettingsList.begin()->metadata.find(ANDROID_REQUEST_INPUT_STREAMS); | 
 |     if (inputStreams.count > 0) { | 
 |         if (mInputStream == NULL || | 
 |                 mInputStream->getId() != inputStreams.data.i32[0]) { | 
 |             CLOGE("Request references unknown input stream %d", | 
 |                     inputStreams.data.u8[0]); | 
 |             return NULL; | 
 |         } | 
 |  | 
 |         if (mInputStream->isConfiguring()) { | 
 |             SET_ERR_L("%s: input stream %d is not configured!", | 
 |                     __FUNCTION__, mInputStream->getId()); | 
 |             return NULL; | 
 |         } | 
 |         // Check if stream prepare is blocking requests. | 
 |         if (mInputStream->isBlockedByPrepare()) { | 
 |             CLOGE("Request references an input stream that's being prepared!"); | 
 |             return NULL; | 
 |         } | 
 |  | 
 |         newRequest->mInputStream = mInputStream; | 
 |         newRequest->mSettingsList.begin()->metadata.erase(ANDROID_REQUEST_INPUT_STREAMS); | 
 |     } | 
 |  | 
 |     camera_metadata_entry_t streams = | 
 |             newRequest->mSettingsList.begin()->metadata.find(ANDROID_REQUEST_OUTPUT_STREAMS); | 
 |     if (streams.count == 0) { | 
 |         CLOGE("Zero output streams specified!"); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     for (size_t i = 0; i < streams.count; i++) { | 
 |         sp<Camera3OutputStreamInterface> stream = mOutputStreams.get(streams.data.i32[i]); | 
 |         if (stream == nullptr) { | 
 |             CLOGE("Request references unknown stream %d", | 
 |                     streams.data.i32[i]); | 
 |             return NULL; | 
 |         } | 
 |         // It is illegal to include a deferred consumer output stream into a request | 
 |         auto iter = surfaceMap.find(streams.data.i32[i]); | 
 |         if (iter != surfaceMap.end()) { | 
 |             const std::vector<size_t>& surfaces = iter->second; | 
 |             for (const auto& surface : surfaces) { | 
 |                 if (stream->isConsumerConfigurationDeferred(surface)) { | 
 |                     CLOGE("Stream %d surface %zu hasn't finished configuration yet " | 
 |                           "due to deferred consumer", stream->getId(), surface); | 
 |                     return NULL; | 
 |                 } | 
 |             } | 
 |             newRequest->mOutputSurfaces[streams.data.i32[i]] = surfaces; | 
 |         } | 
 |  | 
 |         if (stream->isConfiguring()) { | 
 |             SET_ERR_L("%s: stream %d is not configured!", __FUNCTION__, stream->getId()); | 
 |             return NULL; | 
 |         } | 
 |         // Check if stream prepare is blocking requests. | 
 |         if (stream->isBlockedByPrepare()) { | 
 |             CLOGE("Request references an output stream that's being prepared!"); | 
 |             return NULL; | 
 |         } | 
 |  | 
 |         newRequest->mOutputStreams.push(stream); | 
 |     } | 
 |     newRequest->mSettingsList.begin()->metadata.erase(ANDROID_REQUEST_OUTPUT_STREAMS); | 
 |     newRequest->mBatchSize = 1; | 
 |  | 
 |     auto rotateAndCropEntry = | 
 |             newRequest->mSettingsList.begin()->metadata.find(ANDROID_SCALER_ROTATE_AND_CROP); | 
 |     if (rotateAndCropEntry.count > 0 && | 
 |             rotateAndCropEntry.data.u8[0] == ANDROID_SCALER_ROTATE_AND_CROP_AUTO) { | 
 |         newRequest->mRotateAndCropAuto = true; | 
 |     } else { | 
 |         newRequest->mRotateAndCropAuto = false; | 
 |     } | 
 |  | 
 |     auto zoomRatioEntry = | 
 |             newRequest->mSettingsList.begin()->metadata.find(ANDROID_CONTROL_ZOOM_RATIO); | 
 |     if (zoomRatioEntry.count > 0 && | 
 |             zoomRatioEntry.data.f[0] == 1.0f) { | 
 |         newRequest->mZoomRatioIs1x = true; | 
 |     } else { | 
 |         newRequest->mZoomRatioIs1x = false; | 
 |     } | 
 |  | 
 |     if (mSupportCameraMute) { | 
 |         for (auto& settings : newRequest->mSettingsList) { | 
 |             auto testPatternModeEntry = | 
 |                     settings.metadata.find(ANDROID_SENSOR_TEST_PATTERN_MODE); | 
 |             settings.mOriginalTestPatternMode = testPatternModeEntry.count > 0 ? | 
 |                     testPatternModeEntry.data.i32[0] : | 
 |                     ANDROID_SENSOR_TEST_PATTERN_MODE_OFF; | 
 |  | 
 |             auto testPatternDataEntry = | 
 |                     settings.metadata.find(ANDROID_SENSOR_TEST_PATTERN_DATA); | 
 |             if (testPatternDataEntry.count >= 4) { | 
 |                 memcpy(settings.mOriginalTestPatternData, testPatternDataEntry.data.i32, | 
 |                         sizeof(PhysicalCameraSettings::mOriginalTestPatternData)); | 
 |             } else { | 
 |                 settings.mOriginalTestPatternData[0] = 0; | 
 |                 settings.mOriginalTestPatternData[1] = 0; | 
 |                 settings.mOriginalTestPatternData[2] = 0; | 
 |                 settings.mOriginalTestPatternData[3] = 0; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     return newRequest; | 
 | } | 
 |  | 
 | void Camera3Device::cancelStreamsConfigurationLocked() { | 
 |     int res = OK; | 
 |     if (mInputStream != NULL && mInputStream->isConfiguring()) { | 
 |         res = mInputStream->cancelConfiguration(); | 
 |         if (res != OK) { | 
 |             CLOGE("Can't cancel configuring input stream %d: %s (%d)", | 
 |                     mInputStream->getId(), strerror(-res), res); | 
 |         } | 
 |     } | 
 |  | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |         sp<Camera3OutputStreamInterface> outputStream = mOutputStreams[i]; | 
 |         if (outputStream->isConfiguring()) { | 
 |             res = outputStream->cancelConfiguration(); | 
 |             if (res != OK) { | 
 |                 CLOGE("Can't cancel configuring output stream %d: %s (%d)", | 
 |                         outputStream->getId(), strerror(-res), res); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     // Return state to that at start of call, so that future configures | 
 |     // properly clean things up | 
 |     internalUpdateStatusLocked(STATUS_UNCONFIGURED); | 
 |     mNeedConfig = true; | 
 |  | 
 |     res = mPreparerThread->resume(); | 
 |     if (res != OK) { | 
 |         ALOGE("%s: Camera %s: Preparer thread failed to resume!", __FUNCTION__, mId.string()); | 
 |     } | 
 | } | 
 |  | 
 | bool Camera3Device::checkAbandonedStreamsLocked() { | 
 |     if ((mInputStream.get() != nullptr) && (mInputStream->isAbandoned())) { | 
 |         return true; | 
 |     } | 
 |  | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |         auto stream = mOutputStreams[i]; | 
 |         if ((stream.get() != nullptr) && (stream->isAbandoned())) { | 
 |             return true; | 
 |         } | 
 |     } | 
 |  | 
 |     return false; | 
 | } | 
 |  | 
 | bool Camera3Device::reconfigureCamera(const CameraMetadata& sessionParams, int clientStatusId) { | 
 |     ATRACE_CALL(); | 
 |     bool ret = false; | 
 |  | 
 |     nsecs_t startTime = systemTime(); | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     nsecs_t maxExpectedDuration = getExpectedInFlightDuration(); | 
 |  | 
 |     Mutex::Autolock l(mLock); | 
 |     if (checkAbandonedStreamsLocked()) { | 
 |         ALOGW("%s: Abandoned stream detected, session parameters can't be applied correctly!", | 
 |                 __FUNCTION__); | 
 |         return true; | 
 |     } | 
 |  | 
 |     status_t rc = NO_ERROR; | 
 |     bool markClientActive = false; | 
 |     if (mStatus == STATUS_ACTIVE) { | 
 |         markClientActive = true; | 
 |         mPauseStateNotify = true; | 
 |         mStatusTracker->markComponentIdle(clientStatusId, Fence::NO_FENCE); | 
 |  | 
 |         rc = internalPauseAndWaitLocked(maxExpectedDuration); | 
 |     } | 
 |  | 
 |     if (rc == NO_ERROR) { | 
 |         mNeedConfig = true; | 
 |         rc = configureStreamsLocked(mOperatingMode, sessionParams, /*notifyRequestThread*/ false); | 
 |         if (rc == NO_ERROR) { | 
 |             ret = true; | 
 |             mPauseStateNotify = false; | 
 |             //Moving to active state while holding 'mLock' is important. | 
 |             //There could be pending calls to 'create-/deleteStream' which | 
 |             //will trigger another stream configuration while the already | 
 |             //present streams end up with outstanding buffers that will | 
 |             //not get drained. | 
 |             internalUpdateStatusLocked(STATUS_ACTIVE); | 
 |         } else if (rc == DEAD_OBJECT) { | 
 |             // DEAD_OBJECT can be returned if either the consumer surface is | 
 |             // abandoned, or the HAL has died. | 
 |             // - If the HAL has died, configureStreamsLocked call will set | 
 |             // device to error state, | 
 |             // - If surface is abandoned, we should not set device to error | 
 |             // state. | 
 |             ALOGE("Failed to re-configure camera due to abandoned surface"); | 
 |         } else { | 
 |             SET_ERR_L("Failed to re-configure camera: %d", rc); | 
 |         } | 
 |     } else { | 
 |         ALOGE("%s: Failed to pause streaming: %d", __FUNCTION__, rc); | 
 |     } | 
 |  | 
 |     CameraServiceProxyWrapper::logStreamConfigured(mId, mOperatingMode, true /*internalReconfig*/, | 
 |         ns2ms(systemTime() - startTime)); | 
 |  | 
 |     if (markClientActive) { | 
 |         mStatusTracker->markComponentActive(clientStatusId); | 
 |     } | 
 |  | 
 |     return ret; | 
 | } | 
 |  | 
 | status_t Camera3Device::configureStreamsLocked(int operatingMode, | 
 |         const CameraMetadata& sessionParams, bool notifyRequestThread) { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |  | 
 |     if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { | 
 |         CLOGE("Not idle"); | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     if (operatingMode < 0) { | 
 |         CLOGE("Invalid operating mode: %d", operatingMode); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     bool isConstrainedHighSpeed = | 
 |             CAMERA_STREAM_CONFIGURATION_CONSTRAINED_HIGH_SPEED_MODE == operatingMode; | 
 |  | 
 |     if (mOperatingMode != operatingMode) { | 
 |         mNeedConfig = true; | 
 |         mIsConstrainedHighSpeedConfiguration = isConstrainedHighSpeed; | 
 |         mOperatingMode = operatingMode; | 
 |     } | 
 |  | 
 |     // Reset min expected duration when session is reconfigured. | 
 |     mMinExpectedDuration = 0; | 
 |  | 
 |     // In case called from configureStreams, abort queued input buffers not belonging to | 
 |     // any pending requests. | 
 |     if (mInputStream != NULL && notifyRequestThread) { | 
 |         while (true) { | 
 |             camera_stream_buffer_t inputBuffer; | 
 |             camera3::Size inputBufferSize; | 
 |             status_t res = mInputStream->getInputBuffer(&inputBuffer, | 
 |                     &inputBufferSize, /*respectHalLimit*/ false); | 
 |             if (res != OK) { | 
 |                 // Exhausted acquiring all input buffers. | 
 |                 break; | 
 |             } | 
 |  | 
 |             inputBuffer.status = CAMERA_BUFFER_STATUS_ERROR; | 
 |             res = mInputStream->returnInputBuffer(inputBuffer); | 
 |             if (res != OK) { | 
 |                 ALOGE("%s: %d: couldn't return input buffer while clearing input queue: " | 
 |                         "%s (%d)", __FUNCTION__, __LINE__, strerror(-res), res); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     if (!mNeedConfig) { | 
 |         ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); | 
 |         return OK; | 
 |     } | 
 |  | 
 |     // Workaround for device HALv3.2 or older spec bug - zero streams requires | 
 |     // adding a fake stream instead. | 
 |     // TODO: Bug: 17321404 for fixing the HAL spec and removing this workaround. | 
 |     if (mOutputStreams.size() == 0) { | 
 |         addFakeStreamLocked(); | 
 |     } else { | 
 |         tryRemoveFakeStreamLocked(); | 
 |     } | 
 |  | 
 |     // Start configuring the streams | 
 |     ALOGV("%s: Camera %s: Starting stream configuration", __FUNCTION__, mId.string()); | 
 |  | 
 |     mPreparerThread->pause(); | 
 |  | 
 |     camera_stream_configuration config; | 
 |     config.operation_mode = mOperatingMode; | 
 |     config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); | 
 |     config.input_is_multi_resolution = false; | 
 |  | 
 |     Vector<camera3::camera_stream_t*> streams; | 
 |     streams.setCapacity(config.num_streams); | 
 |     std::vector<uint32_t> bufferSizes(config.num_streams, 0); | 
 |  | 
 |  | 
 |     if (mInputStream != NULL) { | 
 |         camera3::camera_stream_t *inputStream; | 
 |         inputStream = mInputStream->startConfiguration(); | 
 |         if (inputStream == NULL) { | 
 |             CLOGE("Can't start input stream configuration"); | 
 |             cancelStreamsConfigurationLocked(); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |         streams.add(inputStream); | 
 |  | 
 |         config.input_is_multi_resolution = mIsInputStreamMultiResolution; | 
 |     } | 
 |  | 
 |     mGroupIdPhysicalCameraMap.clear(); | 
 |     bool composerSurfacePresent = false; | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |  | 
 |         // Don't configure bidi streams twice, nor add them twice to the list | 
 |         if (mOutputStreams[i].get() == | 
 |             static_cast<Camera3StreamInterface*>(mInputStream.get())) { | 
 |  | 
 |             config.num_streams--; | 
 |             continue; | 
 |         } | 
 |  | 
 |         camera3::camera_stream_t *outputStream; | 
 |         outputStream = mOutputStreams[i]->startConfiguration(); | 
 |         if (outputStream == NULL) { | 
 |             CLOGE("Can't start output stream configuration"); | 
 |             cancelStreamsConfigurationLocked(); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |         streams.add(outputStream); | 
 |  | 
 |         if (outputStream->format == HAL_PIXEL_FORMAT_BLOB) { | 
 |             size_t k = i + ((mInputStream != nullptr) ? 1 : 0); // Input stream if present should | 
 |                                                                 // always occupy the initial entry. | 
 |             if (outputStream->data_space == HAL_DATASPACE_V0_JFIF) { | 
 |                 bufferSizes[k] = static_cast<uint32_t>( | 
 |                         getJpegBufferSize(infoPhysical(String8(outputStream->physical_camera_id)), | 
 |                                 outputStream->width, outputStream->height)); | 
 |             } else if (outputStream->data_space == | 
 |                     static_cast<android_dataspace>(HAL_DATASPACE_JPEG_APP_SEGMENTS)) { | 
 |                 bufferSizes[k] = outputStream->width * outputStream->height; | 
 |             } else { | 
 |                 ALOGW("%s: Blob dataSpace %d not supported", | 
 |                         __FUNCTION__, outputStream->data_space); | 
 |             } | 
 |         } | 
 |  | 
 |         if (mOutputStreams[i]->isMultiResolution()) { | 
 |             int32_t streamGroupId = mOutputStreams[i]->getHalStreamGroupId(); | 
 |             const String8& physicalCameraId = mOutputStreams[i]->getPhysicalCameraId(); | 
 |             mGroupIdPhysicalCameraMap[streamGroupId].insert(physicalCameraId); | 
 |         } | 
 |  | 
 |         if (outputStream->usage & GraphicBuffer::USAGE_HW_COMPOSER) { | 
 |             composerSurfacePresent = true; | 
 |         } | 
 |     } | 
 |  | 
 |     config.streams = streams.editArray(); | 
 |  | 
 |     // Do the HAL configuration; will potentially touch stream | 
 |     // max_buffers, usage, and priv fields, as well as data_space and format | 
 |     // fields for IMPLEMENTATION_DEFINED formats. | 
 |  | 
 |     const camera_metadata_t *sessionBuffer = sessionParams.getAndLock(); | 
 |     res = mInterface->configureStreams(sessionBuffer, &config, bufferSizes); | 
 |     sessionParams.unlock(sessionBuffer); | 
 |  | 
 |     if (res == BAD_VALUE) { | 
 |         // HAL rejected this set of streams as unsupported, clean up config | 
 |         // attempt and return to unconfigured state | 
 |         CLOGE("Set of requested inputs/outputs not supported by HAL"); | 
 |         cancelStreamsConfigurationLocked(); | 
 |         return BAD_VALUE; | 
 |     } else if (res != OK) { | 
 |         // Some other kind of error from configure_streams - this is not | 
 |         // expected | 
 |         SET_ERR_L("Unable to configure streams with HAL: %s (%d)", | 
 |                 strerror(-res), res); | 
 |         return res; | 
 |     } | 
 |  | 
 |     // Finish all stream configuration immediately. | 
 |     // TODO: Try to relax this later back to lazy completion, which should be | 
 |     // faster | 
 |  | 
 |     if (mInputStream != NULL && mInputStream->isConfiguring()) { | 
 |         bool streamReConfigured = false; | 
 |         res = mInputStream->finishConfiguration(&streamReConfigured); | 
 |         if (res != OK) { | 
 |             CLOGE("Can't finish configuring input stream %d: %s (%d)", | 
 |                     mInputStream->getId(), strerror(-res), res); | 
 |             cancelStreamsConfigurationLocked(); | 
 |             if ((res == NO_INIT || res == DEAD_OBJECT) && mInputStream->isAbandoned()) { | 
 |                 return DEAD_OBJECT; | 
 |             } | 
 |             return BAD_VALUE; | 
 |         } | 
 |         if (streamReConfigured) { | 
 |             mInterface->onStreamReConfigured(mInputStream->getId()); | 
 |         } | 
 |     } | 
 |  | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |         sp<Camera3OutputStreamInterface> outputStream = mOutputStreams[i]; | 
 |         if (outputStream->isConfiguring() && !outputStream->isConsumerConfigurationDeferred()) { | 
 |             bool streamReConfigured = false; | 
 |             res = outputStream->finishConfiguration(&streamReConfigured); | 
 |             if (res != OK) { | 
 |                 CLOGE("Can't finish configuring output stream %d: %s (%d)", | 
 |                         outputStream->getId(), strerror(-res), res); | 
 |                 cancelStreamsConfigurationLocked(); | 
 |                 if ((res == NO_INIT || res == DEAD_OBJECT) && outputStream->isAbandoned()) { | 
 |                     return DEAD_OBJECT; | 
 |                 } | 
 |                 return BAD_VALUE; | 
 |             } | 
 |             if (streamReConfigured) { | 
 |                 mInterface->onStreamReConfigured(outputStream->getId()); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     mRequestThread->setComposerSurface(composerSurfacePresent); | 
 |  | 
 |     // Request thread needs to know to avoid using repeat-last-settings protocol | 
 |     // across configure_streams() calls | 
 |     if (notifyRequestThread) { | 
 |         mRequestThread->configurationComplete(mIsConstrainedHighSpeedConfiguration, | 
 |                 sessionParams, mGroupIdPhysicalCameraMap); | 
 |     } | 
 |  | 
 |     char value[PROPERTY_VALUE_MAX]; | 
 |     property_get("camera.fifo.disable", value, "0"); | 
 |     int32_t disableFifo = atoi(value); | 
 |     if (disableFifo != 1) { | 
 |         // Boost priority of request thread to SCHED_FIFO. | 
 |         pid_t requestThreadTid = mRequestThread->getTid(); | 
 |         res = requestPriority(getpid(), requestThreadTid, | 
 |                 kRequestThreadPriority, /*isForApp*/ false, /*asynchronous*/ false); | 
 |         if (res != OK) { | 
 |             ALOGW("Can't set realtime priority for request processing thread: %s (%d)", | 
 |                     strerror(-res), res); | 
 |         } else { | 
 |             ALOGD("Set real time priority for request queue thread (tid %d)", requestThreadTid); | 
 |         } | 
 |     } | 
 |  | 
 |     // Update device state | 
 |     const camera_metadata_t *newSessionParams = sessionParams.getAndLock(); | 
 |     const camera_metadata_t *currentSessionParams = mSessionParams.getAndLock(); | 
 |     bool updateSessionParams = (newSessionParams != currentSessionParams) ? true : false; | 
 |     sessionParams.unlock(newSessionParams); | 
 |     mSessionParams.unlock(currentSessionParams); | 
 |     if (updateSessionParams)  { | 
 |         mSessionParams = sessionParams; | 
 |     } | 
 |  | 
 |     mNeedConfig = false; | 
 |  | 
 |     internalUpdateStatusLocked((mFakeStreamId == NO_STREAM) ? | 
 |             STATUS_CONFIGURED : STATUS_UNCONFIGURED); | 
 |  | 
 |     ALOGV("%s: Camera %s: Stream configuration complete", __FUNCTION__, mId.string()); | 
 |  | 
 |     // tear down the deleted streams after configure streams. | 
 |     mDeletedStreams.clear(); | 
 |  | 
 |     auto rc = mPreparerThread->resume(); | 
 |     if (rc != OK) { | 
 |         SET_ERR_L("%s: Camera %s: Preparer thread failed to resume!", __FUNCTION__, mId.string()); | 
 |         return rc; | 
 |     } | 
 |  | 
 |     if (mFakeStreamId == NO_STREAM) { | 
 |         mRequestBufferSM.onStreamsConfigured(); | 
 |     } | 
 |  | 
 |     // First call injectCamera() and then run configureStreamsLocked() case: | 
 |     // Since the streams configuration of the injection camera is based on the internal camera, we | 
 |     // must wait until the internal camera configure streams before running the injection job to | 
 |     // configure the injection streams. | 
 |     if (mInjectionMethods->isInjecting()) { | 
 |         ALOGD("%s: Injection camera %s: Start to configure streams.", | 
 |               __FUNCTION__, mInjectionMethods->getInjectedCamId().string()); | 
 |         res = mInjectionMethods->injectCamera(config, bufferSizes); | 
 |         if (res != OK) { | 
 |             ALOGE("Can't finish inject camera process!"); | 
 |             return res; | 
 |         } | 
 |     } else { | 
 |         // First run configureStreamsLocked() and then call injectCamera() case: | 
 |         // If the stream configuration has been completed and camera deive is active, but the | 
 |         // injection camera has not been injected yet, we need to store the stream configuration of | 
 |         // the internal camera (because the stream configuration of the injection camera is based | 
 |         // on the internal camera). When injecting occurs later, this configuration can be used by | 
 |         // the injection camera. | 
 |         ALOGV("%s: The stream configuration is complete and the camera device is active, but the" | 
 |               " injection camera has not been injected yet.", __FUNCTION__); | 
 |         mInjectionMethods->storeInjectionConfig(config, bufferSizes); | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::addFakeStreamLocked() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |  | 
 |     if (mFakeStreamId != NO_STREAM) { | 
 |         // Should never be adding a second fake stream when one is already | 
 |         // active | 
 |         SET_ERR_L("%s: Camera %s: A fake stream already exists!", | 
 |                 __FUNCTION__, mId.string()); | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     ALOGV("%s: Camera %s: Adding a fake stream", __FUNCTION__, mId.string()); | 
 |  | 
 |     sp<Camera3OutputStreamInterface> fakeStream = | 
 |             new Camera3FakeStream(mNextStreamId); | 
 |  | 
 |     res = mOutputStreams.add(mNextStreamId, fakeStream); | 
 |     if (res < 0) { | 
 |         SET_ERR_L("Can't add fake stream to set: %s (%d)", strerror(-res), res); | 
 |         return res; | 
 |     } | 
 |  | 
 |     mFakeStreamId = mNextStreamId; | 
 |     mNextStreamId++; | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::tryRemoveFakeStreamLocked() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |  | 
 |     if (mFakeStreamId == NO_STREAM) return OK; | 
 |     if (mOutputStreams.size() == 1) return OK; | 
 |  | 
 |     ALOGV("%s: Camera %s: Removing the fake stream", __FUNCTION__, mId.string()); | 
 |  | 
 |     // Ok, have a fake stream and there's at least one other output stream, | 
 |     // so remove the fake | 
 |  | 
 |     sp<Camera3StreamInterface> deletedStream = mOutputStreams.get(mFakeStreamId); | 
 |     if (deletedStream == nullptr) { | 
 |         SET_ERR_L("Fake stream %d does not appear to exist", mFakeStreamId); | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |     mOutputStreams.remove(mFakeStreamId); | 
 |  | 
 |     // Free up the stream endpoint so that it can be used by some other stream | 
 |     res = deletedStream->disconnect(); | 
 |     if (res != OK) { | 
 |         SET_ERR_L("Can't disconnect deleted fake stream %d", mFakeStreamId); | 
 |         // fall through since we want to still list the stream as deleted. | 
 |     } | 
 |     mDeletedStreams.add(deletedStream); | 
 |     mFakeStreamId = NO_STREAM; | 
 |  | 
 |     return res; | 
 | } | 
 |  | 
 | void Camera3Device::setErrorState(const char *fmt, ...) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mLock); | 
 |     va_list args; | 
 |     va_start(args, fmt); | 
 |  | 
 |     setErrorStateLockedV(fmt, args); | 
 |  | 
 |     va_end(args); | 
 | } | 
 |  | 
 | void Camera3Device::setErrorStateV(const char *fmt, va_list args) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mLock); | 
 |     setErrorStateLockedV(fmt, args); | 
 | } | 
 |  | 
 | void Camera3Device::setErrorStateLocked(const char *fmt, ...) { | 
 |     va_list args; | 
 |     va_start(args, fmt); | 
 |  | 
 |     setErrorStateLockedV(fmt, args); | 
 |  | 
 |     va_end(args); | 
 | } | 
 |  | 
 | void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { | 
 |     // Print out all error messages to log | 
 |     String8 errorCause = String8::formatV(fmt, args); | 
 |     ALOGE("Camera %s: %s", mId.string(), errorCause.string()); | 
 |  | 
 |     // But only do error state transition steps for the first error | 
 |     if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; | 
 |  | 
 |     mErrorCause = errorCause; | 
 |  | 
 |     if (mRequestThread != nullptr) { | 
 |         mRequestThread->setPaused(true); | 
 |     } | 
 |     internalUpdateStatusLocked(STATUS_ERROR); | 
 |  | 
 |     // Notify upstream about a device error | 
 |     sp<NotificationListener> listener = mListener.promote(); | 
 |     if (listener != NULL) { | 
 |         listener->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, | 
 |                 CaptureResultExtras()); | 
 |         mSessionStatsBuilder.onDeviceError(); | 
 |     } | 
 |  | 
 |     // Save stack trace. View by dumping it later. | 
 |     CameraTraces::saveTrace(); | 
 |     // TODO: consider adding errorCause and client pid/procname | 
 | } | 
 |  | 
 | /** | 
 |  * In-flight request management | 
 |  */ | 
 |  | 
 | status_t Camera3Device::registerInFlight(uint32_t frameNumber, | 
 |         int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput, | 
 |         bool hasAppCallback, nsecs_t minExpectedDuration, nsecs_t maxExpectedDuration, | 
 |         bool isFixedFps, const std::set<std::set<String8>>& physicalCameraIds, | 
 |         bool isStillCapture, bool isZslCapture, bool rotateAndCropAuto, | 
 |         const std::set<std::string>& cameraIdsWithZoom, | 
 |         const SurfaceMap& outputSurfaces, nsecs_t requestTimeNs) { | 
 |     ATRACE_CALL(); | 
 |     std::lock_guard<std::mutex> l(mInFlightLock); | 
 |  | 
 |     ssize_t res; | 
 |     res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput, | 
 |             hasAppCallback, minExpectedDuration, maxExpectedDuration, isFixedFps, physicalCameraIds, | 
 |             isStillCapture, isZslCapture, rotateAndCropAuto, cameraIdsWithZoom, requestTimeNs, | 
 |             outputSurfaces)); | 
 |     if (res < 0) return res; | 
 |  | 
 |     if (mInFlightMap.size() == 1) { | 
 |         // Hold a separate dedicated tracker lock to prevent race with disconnect and also | 
 |         // avoid a deadlock during reprocess requests. | 
 |         Mutex::Autolock l(mTrackerLock); | 
 |         if (mStatusTracker != nullptr) { | 
 |             mStatusTracker->markComponentActive(mInFlightStatusId); | 
 |         } | 
 |     } | 
 |  | 
 |     mExpectedInflightDuration += maxExpectedDuration; | 
 |     return OK; | 
 | } | 
 |  | 
 | void Camera3Device::onInflightEntryRemovedLocked(nsecs_t duration) { | 
 |     // Indicate idle inFlightMap to the status tracker | 
 |     if (mInFlightMap.size() == 0) { | 
 |         mRequestBufferSM.onInflightMapEmpty(); | 
 |         // Hold a separate dedicated tracker lock to prevent race with disconnect and also | 
 |         // avoid a deadlock during reprocess requests. | 
 |         Mutex::Autolock l(mTrackerLock); | 
 |         if (mStatusTracker != nullptr) { | 
 |             mStatusTracker->markComponentIdle(mInFlightStatusId, Fence::NO_FENCE); | 
 |         } | 
 |     } | 
 |     mExpectedInflightDuration -= duration; | 
 | } | 
 |  | 
 | void Camera3Device::checkInflightMapLengthLocked() { | 
 |     // Validation check - if we have too many in-flight frames with long total inflight duration, | 
 |     // something has likely gone wrong. This might still be legit only if application send in | 
 |     // a long burst of long exposure requests. | 
 |     if (mExpectedInflightDuration > kMinWarnInflightDuration) { | 
 |         if (!mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() > kInFlightWarnLimit) { | 
 |             CLOGW("In-flight list too large: %zu, total inflight duration %" PRIu64, | 
 |                     mInFlightMap.size(), mExpectedInflightDuration); | 
 |         } else if (mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() > | 
 |                 kInFlightWarnLimitHighSpeed) { | 
 |             CLOGW("In-flight list too large for high speed configuration: %zu," | 
 |                     "total inflight duration %" PRIu64, | 
 |                     mInFlightMap.size(), mExpectedInflightDuration); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | void Camera3Device::onInflightMapFlushedLocked() { | 
 |     mExpectedInflightDuration = 0; | 
 | } | 
 |  | 
 | void Camera3Device::removeInFlightMapEntryLocked(int idx) { | 
 |     ATRACE_HFR_CALL(); | 
 |     nsecs_t duration = mInFlightMap.valueAt(idx).maxExpectedDuration; | 
 |     mInFlightMap.removeItemsAt(idx, 1); | 
 |  | 
 |     onInflightEntryRemovedLocked(duration); | 
 | } | 
 |  | 
 |  | 
 | void Camera3Device::flushInflightRequests() { | 
 |     ATRACE_CALL(); | 
 |     sp<NotificationListener> listener; | 
 |     { | 
 |         std::lock_guard<std::mutex> l(mOutputLock); | 
 |         listener = mListener.promote(); | 
 |     } | 
 |  | 
 |     FlushInflightReqStates states { | 
 |         mId, mInFlightLock, mInFlightMap, mUseHalBufManager, | 
 |         listener, *this, *mInterface, *this, mSessionStatsBuilder}; | 
 |  | 
 |     camera3::flushInflightRequests(states); | 
 | } | 
 |  | 
 | CameraMetadata Camera3Device::getLatestRequestLocked() { | 
 |     ALOGV("%s", __FUNCTION__); | 
 |  | 
 |     CameraMetadata retVal; | 
 |  | 
 |     if (mRequestThread != NULL) { | 
 |         retVal = mRequestThread->getLatestRequest(); | 
 |     } | 
 |  | 
 |     return retVal; | 
 | } | 
 |  | 
 | void Camera3Device::monitorMetadata(TagMonitor::eventSource source, | 
 |         int64_t frameNumber, nsecs_t timestamp, const CameraMetadata& metadata, | 
 |         const std::unordered_map<std::string, CameraMetadata>& physicalMetadata, | 
 |         const camera_stream_buffer_t *outputBuffers, uint32_t numOutputBuffers, | 
 |         int32_t inputStreamId) { | 
 |  | 
 |     mTagMonitor.monitorMetadata(source, frameNumber, timestamp, metadata, | 
 |             physicalMetadata, outputBuffers, numOutputBuffers, inputStreamId); | 
 | } | 
 |  | 
 | void Camera3Device::cleanupNativeHandles( | 
 |         std::vector<native_handle_t*> *handles, bool closeFd) { | 
 |     if (handles == nullptr) { | 
 |         return; | 
 |     } | 
 |     if (closeFd) { | 
 |         for (auto& handle : *handles) { | 
 |             native_handle_close(handle); | 
 |         } | 
 |     } | 
 |     for (auto& handle : *handles) { | 
 |         native_handle_delete(handle); | 
 |     } | 
 |     handles->clear(); | 
 |     return; | 
 | } | 
 |  | 
 | /** | 
 |  * HalInterface inner class methods | 
 |  */ | 
 |  | 
 | void Camera3Device::HalInterface::getInflightBufferKeys( | 
 |         std::vector<std::pair<int32_t, int32_t>>* out) { | 
 |     mBufferRecords.getInflightBufferKeys(out); | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::HalInterface::getInflightRequestBufferKeys( | 
 |         std::vector<uint64_t>* out) { | 
 |     mBufferRecords.getInflightRequestBufferKeys(out); | 
 |     return; | 
 | } | 
 |  | 
 | bool Camera3Device::HalInterface::verifyBufferIds( | 
 |         int32_t streamId, std::vector<uint64_t>& bufIds) { | 
 |     return mBufferRecords.verifyBufferIds(streamId, bufIds); | 
 | } | 
 |  | 
 | status_t Camera3Device::HalInterface::popInflightBuffer( | 
 |         int32_t frameNumber, int32_t streamId, | 
 |         /*out*/ buffer_handle_t **buffer) { | 
 |     return mBufferRecords.popInflightBuffer(frameNumber, streamId, buffer); | 
 | } | 
 |  | 
 | status_t Camera3Device::HalInterface::pushInflightRequestBuffer( | 
 |         uint64_t bufferId, buffer_handle_t* buf, int32_t streamId) { | 
 |     return mBufferRecords.pushInflightRequestBuffer(bufferId, buf, streamId); | 
 | } | 
 |  | 
 | // Find and pop a buffer_handle_t based on bufferId | 
 | status_t Camera3Device::HalInterface::popInflightRequestBuffer( | 
 |         uint64_t bufferId, | 
 |         /*out*/ buffer_handle_t** buffer, | 
 |         /*optional out*/ int32_t* streamId) { | 
 |     return mBufferRecords.popInflightRequestBuffer(bufferId, buffer, streamId); | 
 | } | 
 |  | 
 | std::pair<bool, uint64_t> Camera3Device::HalInterface::getBufferId( | 
 |         const buffer_handle_t& buf, int streamId) { | 
 |     return mBufferRecords.getBufferId(buf, streamId); | 
 | } | 
 |  | 
 | uint64_t Camera3Device::HalInterface::removeOneBufferCache(int streamId, | 
 |         const native_handle_t* handle) { | 
 |     return mBufferRecords.removeOneBufferCache(streamId, handle); | 
 | } | 
 |  | 
 | void Camera3Device::HalInterface::onBufferFreed( | 
 |         int streamId, const native_handle_t* handle) { | 
 |     uint32_t bufferId = mBufferRecords.removeOneBufferCache(streamId, handle); | 
 |     std::lock_guard<std::mutex> lock(mFreedBuffersLock); | 
 |     if (bufferId != BUFFER_ID_NO_BUFFER) { | 
 |         mFreedBuffers.push_back(std::make_pair(streamId, bufferId)); | 
 |     } | 
 | } | 
 |  | 
 | void Camera3Device::HalInterface::onStreamReConfigured(int streamId) { | 
 |     std::vector<uint64_t> bufIds = mBufferRecords.clearBufferCaches(streamId); | 
 |     std::lock_guard<std::mutex> lock(mFreedBuffersLock); | 
 |     for (auto bufferId : bufIds) { | 
 |         mFreedBuffers.push_back(std::make_pair(streamId, bufferId)); | 
 |     } | 
 | } | 
 |  | 
 | /** | 
 |  * RequestThread inner class methods | 
 |  */ | 
 |  | 
 | Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, | 
 |         sp<StatusTracker> statusTracker, | 
 |         sp<HalInterface> interface, const Vector<int32_t>& sessionParamKeys, | 
 |         bool useHalBufManager, | 
 |         bool supportCameraMute) : | 
 |         Thread(/*canCallJava*/false), | 
 |         mParent(parent), | 
 |         mStatusTracker(statusTracker), | 
 |         mInterface(interface), | 
 |         mListener(nullptr), | 
 |         mId(getId(parent)), | 
 |         mRequestClearing(false), | 
 |         mFirstRepeating(false), | 
 |         mReconfigured(false), | 
 |         mDoPause(false), | 
 |         mPaused(true), | 
 |         mNotifyPipelineDrain(false), | 
 |         mFrameNumber(0), | 
 |         mLatestRequestId(NAME_NOT_FOUND), | 
 |         mCurrentAfTriggerId(0), | 
 |         mCurrentPreCaptureTriggerId(0), | 
 |         mRotateAndCropOverride(ANDROID_SCALER_ROTATE_AND_CROP_NONE), | 
 |         mComposerOutput(false), | 
 |         mCameraMute(ANDROID_SENSOR_TEST_PATTERN_MODE_OFF), | 
 |         mCameraMuteChanged(false), | 
 |         mRepeatingLastFrameNumber( | 
 |             hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES), | 
 |         mPrepareVideoStream(false), | 
 |         mConstrainedMode(false), | 
 |         mRequestLatency(kRequestLatencyBinSize), | 
 |         mSessionParamKeys(sessionParamKeys), | 
 |         mLatestSessionParams(sessionParamKeys.size()), | 
 |         mUseHalBufManager(useHalBufManager), | 
 |         mSupportCameraMute(supportCameraMute){ | 
 |     mStatusId = statusTracker->addComponent("RequestThread"); | 
 | } | 
 |  | 
 | Camera3Device::RequestThread::~RequestThread() {} | 
 |  | 
 | void Camera3Device::RequestThread::setNotificationListener( | 
 |         wp<NotificationListener> listener) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     mListener = listener; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::configurationComplete(bool isConstrainedHighSpeed, | 
 |         const CameraMetadata& sessionParams, | 
 |         const std::map<int32_t, std::set<String8>>& groupIdPhysicalCameraMap) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     mReconfigured = true; | 
 |     mLatestSessionParams = sessionParams; | 
 |     mGroupIdPhysicalCameraMap = groupIdPhysicalCameraMap; | 
 |     // Prepare video stream for high speed recording. | 
 |     mPrepareVideoStream = isConstrainedHighSpeed; | 
 |     mConstrainedMode = isConstrainedHighSpeed; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::queueRequestList( | 
 |         List<sp<CaptureRequest> > &requests, | 
 |         /*out*/ | 
 |         int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); | 
 |             ++it) { | 
 |         mRequestQueue.push_back(*it); | 
 |     } | 
 |  | 
 |     if (lastFrameNumber != NULL) { | 
 |         *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; | 
 |         ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", | 
 |               __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, | 
 |               *lastFrameNumber); | 
 |     } | 
 |  | 
 |     unpauseForNewRequests(); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 |  | 
 | status_t Camera3Device::RequestThread::queueTrigger( | 
 |         RequestTrigger trigger[], | 
 |         size_t count) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mTriggerMutex); | 
 |     status_t ret; | 
 |  | 
 |     for (size_t i = 0; i < count; ++i) { | 
 |         ret = queueTriggerLocked(trigger[i]); | 
 |  | 
 |         if (ret != OK) { | 
 |             return ret; | 
 |         } | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | const String8& Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { | 
 |     static String8 deadId("<DeadDevice>"); | 
 |     sp<Camera3Device> d = device.promote(); | 
 |     if (d != nullptr) return d->mId; | 
 |     return deadId; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::queueTriggerLocked( | 
 |         RequestTrigger trigger) { | 
 |  | 
 |     uint32_t tag = trigger.metadataTag; | 
 |     ssize_t index = mTriggerMap.indexOfKey(tag); | 
 |  | 
 |     switch (trigger.getTagType()) { | 
 |         case TYPE_BYTE: | 
 |         // fall-through | 
 |         case TYPE_INT32: | 
 |             break; | 
 |         default: | 
 |             ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, | 
 |                     trigger.getTagType()); | 
 |             return INVALID_OPERATION; | 
 |     } | 
 |  | 
 |     /** | 
 |      * Collect only the latest trigger, since we only have 1 field | 
 |      * in the request settings per trigger tag, and can't send more than 1 | 
 |      * trigger per request. | 
 |      */ | 
 |     if (index != NAME_NOT_FOUND) { | 
 |         mTriggerMap.editValueAt(index) = trigger; | 
 |     } else { | 
 |         mTriggerMap.add(tag, trigger); | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::setRepeatingRequests( | 
 |         const RequestList &requests, | 
 |         /*out*/ | 
 |         int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     if (lastFrameNumber != NULL) { | 
 |         *lastFrameNumber = mRepeatingLastFrameNumber; | 
 |     } | 
 |     mRepeatingRequests.clear(); | 
 |     mFirstRepeating = true; | 
 |     mRepeatingRequests.insert(mRepeatingRequests.begin(), | 
 |             requests.begin(), requests.end()); | 
 |  | 
 |     unpauseForNewRequests(); | 
 |  | 
 |     mRepeatingLastFrameNumber = hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES; | 
 |     return OK; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest>& requestIn) { | 
 |     if (mRepeatingRequests.empty()) { | 
 |         return false; | 
 |     } | 
 |     int32_t requestId = requestIn->mResultExtras.requestId; | 
 |     const RequestList &repeatRequests = mRepeatingRequests; | 
 |     // All repeating requests are guaranteed to have same id so only check first quest | 
 |     const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); | 
 |     return (firstRequest->mResultExtras.requestId == requestId); | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     return clearRepeatingRequestsLocked(lastFrameNumber); | 
 |  | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::clearRepeatingRequestsLocked( | 
 |         /*out*/int64_t *lastFrameNumber) { | 
 |     std::vector<int32_t> streamIds; | 
 |     for (const auto& request : mRepeatingRequests) { | 
 |         for (const auto& stream : request->mOutputStreams) { | 
 |             streamIds.push_back(stream->getId()); | 
 |         } | 
 |     } | 
 |  | 
 |     mRepeatingRequests.clear(); | 
 |     if (lastFrameNumber != NULL) { | 
 |         *lastFrameNumber = mRepeatingLastFrameNumber; | 
 |     } | 
 |  | 
 |     mInterface->repeatingRequestEnd(mRepeatingLastFrameNumber, streamIds); | 
 |  | 
 |     mRepeatingLastFrameNumber = hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES; | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::clear( | 
 |         /*out*/int64_t *lastFrameNumber) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     ALOGV("RequestThread::%s:", __FUNCTION__); | 
 |  | 
 |     // Send errors for all requests pending in the request queue, including | 
 |     // pending repeating requests | 
 |     sp<NotificationListener> listener = mListener.promote(); | 
 |     if (listener != NULL) { | 
 |         for (RequestList::iterator it = mRequestQueue.begin(); | 
 |                  it != mRequestQueue.end(); ++it) { | 
 |             // Abort the input buffers for reprocess requests. | 
 |             if ((*it)->mInputStream != NULL) { | 
 |                 camera_stream_buffer_t inputBuffer; | 
 |                 camera3::Size inputBufferSize; | 
 |                 status_t res = (*it)->mInputStream->getInputBuffer(&inputBuffer, | 
 |                         &inputBufferSize, /*respectHalLimit*/ false); | 
 |                 if (res != OK) { | 
 |                     ALOGW("%s: %d: couldn't get input buffer while clearing the request " | 
 |                             "list: %s (%d)", __FUNCTION__, __LINE__, strerror(-res), res); | 
 |                 } else { | 
 |                     inputBuffer.status = CAMERA_BUFFER_STATUS_ERROR; | 
 |                     res = (*it)->mInputStream->returnInputBuffer(inputBuffer); | 
 |                     if (res != OK) { | 
 |                         ALOGE("%s: %d: couldn't return input buffer while clearing the request " | 
 |                                 "list: %s (%d)", __FUNCTION__, __LINE__, strerror(-res), res); | 
 |                     } | 
 |                 } | 
 |             } | 
 |             // Set the frame number this request would have had, if it | 
 |             // had been submitted; this frame number will not be reused. | 
 |             // The requestId and burstId fields were set when the request was | 
 |             // submitted originally (in convertMetadataListToRequestListLocked) | 
 |             (*it)->mResultExtras.frameNumber = mFrameNumber++; | 
 |             listener->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, | 
 |                     (*it)->mResultExtras); | 
 |         } | 
 |     } | 
 |     mRequestQueue.clear(); | 
 |  | 
 |     Mutex::Autolock al(mTriggerMutex); | 
 |     mTriggerMap.clear(); | 
 |     clearRepeatingRequestsLocked(lastFrameNumber); | 
 |     mRequestClearing = true; | 
 |     mRequestSignal.signal(); | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::flush() { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mFlushLock); | 
 |  | 
 |     return mInterface->flush(); | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::setPaused(bool paused) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mPauseLock); | 
 |     mDoPause = paused; | 
 |     mDoPauseSignal.signal(); | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::waitUntilRequestProcessed( | 
 |         int32_t requestId, nsecs_t timeout) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mLatestRequestMutex); | 
 |     status_t res; | 
 |     while (mLatestRequestId != requestId) { | 
 |         nsecs_t startTime = systemTime(); | 
 |  | 
 |         res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); | 
 |         if (res != OK) return res; | 
 |  | 
 |         timeout -= (systemTime() - startTime); | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::requestExit() { | 
 |     // Call parent to set up shutdown | 
 |     Thread::requestExit(); | 
 |     // The exit from any possible waits | 
 |     mDoPauseSignal.signal(); | 
 |     mRequestSignal.signal(); | 
 |  | 
 |     mRequestLatency.log("ProcessCaptureRequest latency histogram"); | 
 |     mRequestLatency.reset(); | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::checkAndStopRepeatingRequest() { | 
 |     ATRACE_CALL(); | 
 |     bool surfaceAbandoned = false; | 
 |     int64_t lastFrameNumber = 0; | 
 |     sp<NotificationListener> listener; | 
 |     { | 
 |         Mutex::Autolock l(mRequestLock); | 
 |         // Check all streams needed by repeating requests are still valid. Otherwise, stop | 
 |         // repeating requests. | 
 |         for (const auto& request : mRepeatingRequests) { | 
 |             for (const auto& s : request->mOutputStreams) { | 
 |                 if (s->isAbandoned()) { | 
 |                     surfaceAbandoned = true; | 
 |                     clearRepeatingRequestsLocked(&lastFrameNumber); | 
 |                     break; | 
 |                 } | 
 |             } | 
 |             if (surfaceAbandoned) { | 
 |                 break; | 
 |             } | 
 |         } | 
 |         listener = mListener.promote(); | 
 |     } | 
 |  | 
 |     if (listener != NULL && surfaceAbandoned) { | 
 |         listener->notifyRepeatingRequestError(lastFrameNumber); | 
 |     } | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::sendRequestsBatch() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |     size_t batchSize = mNextRequests.size(); | 
 |     std::vector<camera_capture_request_t*> requests(batchSize); | 
 |     uint32_t numRequestProcessed = 0; | 
 |     for (size_t i = 0; i < batchSize; i++) { | 
 |         requests[i] = &mNextRequests.editItemAt(i).halRequest; | 
 |         ATRACE_ASYNC_BEGIN("frame capture", mNextRequests[i].halRequest.frame_number); | 
 |     } | 
 |  | 
 |     res = mInterface->processBatchCaptureRequests(requests, &numRequestProcessed); | 
 |  | 
 |     bool triggerRemoveFailed = false; | 
 |     NextRequest& triggerFailedRequest = mNextRequests.editItemAt(0); | 
 |     for (size_t i = 0; i < numRequestProcessed; i++) { | 
 |         NextRequest& nextRequest = mNextRequests.editItemAt(i); | 
 |         nextRequest.submitted = true; | 
 |  | 
 |         updateNextRequest(nextRequest); | 
 |  | 
 |         if (!triggerRemoveFailed) { | 
 |             // Remove any previously queued triggers (after unlock) | 
 |             status_t removeTriggerRes = removeTriggers(mPrevRequest); | 
 |             if (removeTriggerRes != OK) { | 
 |                 triggerRemoveFailed = true; | 
 |                 triggerFailedRequest = nextRequest; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     if (triggerRemoveFailed) { | 
 |         SET_ERR("RequestThread: Unable to remove triggers " | 
 |               "(capture request %d, HAL device: %s (%d)", | 
 |               triggerFailedRequest.halRequest.frame_number, strerror(-res), res); | 
 |         cleanUpFailedRequests(/*sendRequestError*/ false); | 
 |         return false; | 
 |     } | 
 |  | 
 |     if (res != OK) { | 
 |         // Should only get a failure here for malformed requests or device-level | 
 |         // errors, so consider all errors fatal.  Bad metadata failures should | 
 |         // come through notify. | 
 |         SET_ERR("RequestThread: Unable to submit capture request %d to HAL device: %s (%d)", | 
 |                 mNextRequests[numRequestProcessed].halRequest.frame_number, | 
 |                 strerror(-res), res); | 
 |         cleanUpFailedRequests(/*sendRequestError*/ false); | 
 |         return false; | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | Camera3Device::RequestThread::ExpectedDurationInfo | 
 |         Camera3Device::RequestThread::calculateExpectedDurationRange( | 
 |                 const camera_metadata_t *request) { | 
 |     ExpectedDurationInfo expectedDurationInfo = { | 
 |             InFlightRequest::kDefaultMinExpectedDuration, | 
 |             InFlightRequest::kDefaultMaxExpectedDuration, | 
 |             /*isFixedFps*/false}; | 
 |     camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); | 
 |     find_camera_metadata_ro_entry(request, | 
 |             ANDROID_CONTROL_AE_MODE, | 
 |             &e); | 
 |     if (e.count == 0) return expectedDurationInfo; | 
 |  | 
 |     switch (e.data.u8[0]) { | 
 |         case ANDROID_CONTROL_AE_MODE_OFF: | 
 |             find_camera_metadata_ro_entry(request, | 
 |                     ANDROID_SENSOR_EXPOSURE_TIME, | 
 |                     &e); | 
 |             if (e.count > 0) { | 
 |                 expectedDurationInfo.minDuration = e.data.i64[0]; | 
 |                 expectedDurationInfo.maxDuration = expectedDurationInfo.minDuration; | 
 |             } | 
 |             find_camera_metadata_ro_entry(request, | 
 |                     ANDROID_SENSOR_FRAME_DURATION, | 
 |                     &e); | 
 |             if (e.count > 0) { | 
 |                 expectedDurationInfo.minDuration = | 
 |                         std::max(e.data.i64[0], expectedDurationInfo.minDuration); | 
 |                 expectedDurationInfo.maxDuration = expectedDurationInfo.minDuration; | 
 |             } | 
 |             expectedDurationInfo.isFixedFps = false; | 
 |             break; | 
 |         default: | 
 |             find_camera_metadata_ro_entry(request, | 
 |                     ANDROID_CONTROL_AE_TARGET_FPS_RANGE, | 
 |                     &e); | 
 |             if (e.count > 1) { | 
 |                 expectedDurationInfo.minDuration = 1e9 / e.data.i32[1]; | 
 |                 expectedDurationInfo.maxDuration = 1e9 / e.data.i32[0]; | 
 |             } | 
 |             expectedDurationInfo.isFixedFps = (e.data.i32[1] == e.data.i32[0]); | 
 |             break; | 
 |     } | 
 |  | 
 |     return expectedDurationInfo; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::skipHFRTargetFPSUpdate(int32_t tag, | 
 |         const camera_metadata_ro_entry_t& newEntry, const camera_metadata_entry_t& currentEntry) { | 
 |     if (mConstrainedMode && (ANDROID_CONTROL_AE_TARGET_FPS_RANGE == tag) && | 
 |             (newEntry.count == currentEntry.count) && (currentEntry.count == 2) && | 
 |             (currentEntry.data.i32[1] == newEntry.data.i32[1])) { | 
 |         return true; | 
 |     } | 
 |  | 
 |     return false; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::updateNextRequest(NextRequest& nextRequest) { | 
 |     // Update the latest request sent to HAL | 
 |     camera_capture_request_t& halRequest = nextRequest.halRequest; | 
 |     if (halRequest.settings != NULL) { // Don't update if they were unchanged | 
 |         Mutex::Autolock al(mLatestRequestMutex); | 
 |  | 
 |         camera_metadata_t* cloned = clone_camera_metadata(halRequest.settings); | 
 |         mLatestRequest.acquire(cloned); | 
 |  | 
 |         mLatestPhysicalRequest.clear(); | 
 |         for (uint32_t i = 0; i < halRequest.num_physcam_settings; i++) { | 
 |             cloned = clone_camera_metadata(halRequest.physcam_settings[i]); | 
 |             mLatestPhysicalRequest.emplace(halRequest.physcam_id[i], | 
 |                     CameraMetadata(cloned)); | 
 |         } | 
 |  | 
 |         sp<Camera3Device> parent = mParent.promote(); | 
 |         if (parent != NULL) { | 
 |             int32_t inputStreamId = -1; | 
 |             if (halRequest.input_buffer != nullptr) { | 
 |               inputStreamId = Camera3Stream::cast(halRequest.input_buffer->stream)->getId(); | 
 |             } | 
 |  | 
 |             parent->monitorMetadata(TagMonitor::REQUEST, | 
 |                     halRequest.frame_number, | 
 |                     0, mLatestRequest, mLatestPhysicalRequest, halRequest.output_buffers, | 
 |                     halRequest.num_output_buffers, inputStreamId); | 
 |         } | 
 |     } | 
 |  | 
 |     if (halRequest.settings != NULL) { | 
 |         nextRequest.captureRequest->mSettingsList.begin()->metadata.unlock( | 
 |                 halRequest.settings); | 
 |     } | 
 |  | 
 |     cleanupPhysicalSettings(nextRequest.captureRequest, &halRequest); | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::updateSessionParameters(const CameraMetadata& settings) { | 
 |     ATRACE_CALL(); | 
 |     bool updatesDetected = false; | 
 |  | 
 |     CameraMetadata updatedParams(mLatestSessionParams); | 
 |     for (auto tag : mSessionParamKeys) { | 
 |         camera_metadata_ro_entry entry = settings.find(tag); | 
 |         camera_metadata_entry lastEntry = updatedParams.find(tag); | 
 |  | 
 |         if (entry.count > 0) { | 
 |             bool isDifferent = false; | 
 |             if (lastEntry.count > 0) { | 
 |                 // Have a last value, compare to see if changed | 
 |                 if (lastEntry.type == entry.type && | 
 |                         lastEntry.count == entry.count) { | 
 |                     // Same type and count, compare values | 
 |                     size_t bytesPerValue = camera_metadata_type_size[lastEntry.type]; | 
 |                     size_t entryBytes = bytesPerValue * lastEntry.count; | 
 |                     int cmp = memcmp(entry.data.u8, lastEntry.data.u8, entryBytes); | 
 |                     if (cmp != 0) { | 
 |                         isDifferent = true; | 
 |                     } | 
 |                 } else { | 
 |                     // Count or type has changed | 
 |                     isDifferent = true; | 
 |                 } | 
 |             } else { | 
 |                 // No last entry, so always consider to be different | 
 |                 isDifferent = true; | 
 |             } | 
 |  | 
 |             if (isDifferent) { | 
 |                 ALOGV("%s: Session parameter tag id %d changed", __FUNCTION__, tag); | 
 |                 if (!skipHFRTargetFPSUpdate(tag, entry, lastEntry)) { | 
 |                     updatesDetected = true; | 
 |                 } | 
 |                 updatedParams.update(entry); | 
 |             } | 
 |         } else if (lastEntry.count > 0) { | 
 |             // Value has been removed | 
 |             ALOGV("%s: Session parameter tag id %d removed", __FUNCTION__, tag); | 
 |             updatedParams.erase(tag); | 
 |             updatesDetected = true; | 
 |         } | 
 |     } | 
 |  | 
 |     bool reconfigureRequired; | 
 |     if (updatesDetected) { | 
 |         reconfigureRequired = mInterface->isReconfigurationRequired(mLatestSessionParams, | 
 |                 updatedParams); | 
 |         mLatestSessionParams = updatedParams; | 
 |     } else { | 
 |         reconfigureRequired = false; | 
 |     } | 
 |  | 
 |     return reconfigureRequired; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::threadLoop() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |     // Any function called from threadLoop() must not hold mInterfaceLock since | 
 |     // it could lead to deadlocks (disconnect() -> hold mInterfaceMutex -> wait for request thread | 
 |     // to finish -> request thread waits on mInterfaceMutex) http://b/143513518 | 
 |  | 
 |     // Handle paused state. | 
 |     if (waitIfPaused()) { | 
 |         return true; | 
 |     } | 
 |  | 
 |     // Wait for the next batch of requests. | 
 |     waitForNextRequestBatch(); | 
 |     if (mNextRequests.size() == 0) { | 
 |         return true; | 
 |     } | 
 |  | 
 |     // Get the latest request ID, if any | 
 |     int latestRequestId; | 
 |     camera_metadata_entry_t requestIdEntry = mNextRequests[mNextRequests.size() - 1]. | 
 |             captureRequest->mSettingsList.begin()->metadata.find(ANDROID_REQUEST_ID); | 
 |     if (requestIdEntry.count > 0) { | 
 |         latestRequestId = requestIdEntry.data.i32[0]; | 
 |     } else { | 
 |         ALOGW("%s: Did not have android.request.id set in the request.", __FUNCTION__); | 
 |         latestRequestId = NAME_NOT_FOUND; | 
 |     } | 
 |  | 
 |     // 'mNextRequests' will at this point contain either a set of HFR batched requests | 
 |     //  or a single request from streaming or burst. In either case the first element | 
 |     //  should contain the latest camera settings that we need to check for any session | 
 |     //  parameter updates. | 
 |     if (updateSessionParameters(mNextRequests[0].captureRequest->mSettingsList.begin()->metadata)) { | 
 |         res = OK; | 
 |  | 
 |         //Input stream buffers are already acquired at this point so an input stream | 
 |         //will not be able to move to idle state unless we force it. | 
 |         if (mNextRequests[0].captureRequest->mInputStream != nullptr) { | 
 |             res = mNextRequests[0].captureRequest->mInputStream->forceToIdle(); | 
 |             if (res != OK) { | 
 |                 ALOGE("%s: Failed to force idle input stream: %d", __FUNCTION__, res); | 
 |                 cleanUpFailedRequests(/*sendRequestError*/ false); | 
 |                 return false; | 
 |             } | 
 |         } | 
 |  | 
 |         if (res == OK) { | 
 |             sp<Camera3Device> parent = mParent.promote(); | 
 |             if (parent != nullptr) { | 
 |                 mReconfigured |= parent->reconfigureCamera(mLatestSessionParams, mStatusId); | 
 |             } | 
 |             setPaused(false); | 
 |  | 
 |             if (mNextRequests[0].captureRequest->mInputStream != nullptr) { | 
 |                 mNextRequests[0].captureRequest->mInputStream->restoreConfiguredState(); | 
 |                 if (res != OK) { | 
 |                     ALOGE("%s: Failed to restore configured input stream: %d", __FUNCTION__, res); | 
 |                     cleanUpFailedRequests(/*sendRequestError*/ false); | 
 |                     return false; | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     // Prepare a batch of HAL requests and output buffers. | 
 |     res = prepareHalRequests(); | 
 |     if (res == TIMED_OUT) { | 
 |         // Not a fatal error if getting output buffers time out. | 
 |         cleanUpFailedRequests(/*sendRequestError*/ true); | 
 |         // Check if any stream is abandoned. | 
 |         checkAndStopRepeatingRequest(); | 
 |         return true; | 
 |     } else if (res != OK) { | 
 |         cleanUpFailedRequests(/*sendRequestError*/ false); | 
 |         return false; | 
 |     } | 
 |  | 
 |     // Inform waitUntilRequestProcessed thread of a new request ID | 
 |     { | 
 |         Mutex::Autolock al(mLatestRequestMutex); | 
 |  | 
 |         mLatestRequestId = latestRequestId; | 
 |         mLatestRequestSignal.signal(); | 
 |     } | 
 |  | 
 |     // Submit a batch of requests to HAL. | 
 |     // Use flush lock only when submitting multilple requests in a batch. | 
 |     // TODO: The problem with flush lock is flush() will be blocked by process_capture_request() | 
 |     // which may take a long time to finish so synchronizing flush() and | 
 |     // process_capture_request() defeats the purpose of cancelling requests ASAP with flush(). | 
 |     // For now, only synchronize for high speed recording and we should figure something out for | 
 |     // removing the synchronization. | 
 |     bool useFlushLock = mNextRequests.size() > 1; | 
 |  | 
 |     if (useFlushLock) { | 
 |         mFlushLock.lock(); | 
 |     } | 
 |  | 
 |     ALOGVV("%s: %d: submitting %zu requests in a batch.", __FUNCTION__, __LINE__, | 
 |             mNextRequests.size()); | 
 |  | 
 |     sp<Camera3Device> parent = mParent.promote(); | 
 |     if (parent != nullptr) { | 
 |         parent->mRequestBufferSM.onSubmittingRequest(); | 
 |     } | 
 |  | 
 |     bool submitRequestSuccess = false; | 
 |     nsecs_t tRequestStart = systemTime(SYSTEM_TIME_MONOTONIC); | 
 |     submitRequestSuccess = sendRequestsBatch(); | 
 |  | 
 |     nsecs_t tRequestEnd = systemTime(SYSTEM_TIME_MONOTONIC); | 
 |     mRequestLatency.add(tRequestStart, tRequestEnd); | 
 |  | 
 |     if (useFlushLock) { | 
 |         mFlushLock.unlock(); | 
 |     } | 
 |  | 
 |     // Unset as current request | 
 |     { | 
 |         Mutex::Autolock l(mRequestLock); | 
 |         mNextRequests.clear(); | 
 |     } | 
 |     mRequestSubmittedSignal.signal(); | 
 |  | 
 |     return submitRequestSuccess; | 
 | } | 
 |  | 
 | status_t Camera3Device::removeFwkOnlyRegionKeys(CameraMetadata *request) { | 
 |     static const std::array<uint32_t, 4> kFwkOnlyRegionKeys = {ANDROID_CONTROL_AF_REGIONS_SET, | 
 |         ANDROID_CONTROL_AE_REGIONS_SET, ANDROID_CONTROL_AWB_REGIONS_SET, | 
 |         ANDROID_SCALER_CROP_REGION_SET}; | 
 |     if (request == nullptr) { | 
 |         ALOGE("%s request metadata nullptr", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |     status_t res = OK; | 
 |     for (const auto &key : kFwkOnlyRegionKeys) { | 
 |         if (request->exists(key)) { | 
 |             res = request->erase(key); | 
 |             if (res != OK) { | 
 |                 return res; | 
 |             } | 
 |         } | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::prepareHalRequests() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     bool batchedRequest = mNextRequests[0].captureRequest->mBatchSize > 1; | 
 |     for (size_t i = 0; i < mNextRequests.size(); i++) { | 
 |         auto& nextRequest = mNextRequests.editItemAt(i); | 
 |         sp<CaptureRequest> captureRequest = nextRequest.captureRequest; | 
 |         camera_capture_request_t* halRequest = &nextRequest.halRequest; | 
 |         Vector<camera_stream_buffer_t>* outputBuffers = &nextRequest.outputBuffers; | 
 |  | 
 |         // Prepare a request to HAL | 
 |         halRequest->frame_number = captureRequest->mResultExtras.frameNumber; | 
 |  | 
 |         // Insert any queued triggers (before metadata is locked) | 
 |         status_t res = insertTriggers(captureRequest); | 
 |         if (res < 0) { | 
 |             SET_ERR("RequestThread: Unable to insert triggers " | 
 |                     "(capture request %d, HAL device: %s (%d)", | 
 |                     halRequest->frame_number, strerror(-res), res); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |  | 
 |         int triggerCount = res; | 
 |         bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); | 
 |         mPrevTriggers = triggerCount; | 
 |  | 
 |         // Do not override rotate&crop for stream configurations that include | 
 |         // SurfaceViews(HW_COMPOSER) output. The display rotation there will be | 
 |         // compensated by NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY | 
 |         bool rotateAndCropChanged = mComposerOutput ? false : | 
 |             overrideAutoRotateAndCrop(captureRequest); | 
 |         bool testPatternChanged = overrideTestPattern(captureRequest); | 
 |  | 
 |         // If the request is the same as last, or we had triggers now or last time or | 
 |         // changing overrides this time | 
 |         bool newRequest = | 
 |                 (mPrevRequest != captureRequest || triggersMixedIn || | 
 |                         rotateAndCropChanged || testPatternChanged) && | 
 |                 // Request settings are all the same within one batch, so only treat the first | 
 |                 // request in a batch as new | 
 |                 !(batchedRequest && i > 0); | 
 |         if (newRequest) { | 
 |             std::set<std::string> cameraIdsWithZoom; | 
 |             /** | 
 |              * HAL workaround: | 
 |              * Insert a fake trigger ID if a trigger is set but no trigger ID is | 
 |              */ | 
 |             res = addFakeTriggerIds(captureRequest); | 
 |             if (res != OK) { | 
 |                 SET_ERR("RequestThread: Unable to insert fake trigger IDs " | 
 |                         "(capture request %d, HAL device: %s (%d)", | 
 |                         halRequest->frame_number, strerror(-res), res); | 
 |                 return INVALID_OPERATION; | 
 |             } | 
 |  | 
 |             { | 
 |                 sp<Camera3Device> parent = mParent.promote(); | 
 |                 if (parent != nullptr) { | 
 |                     List<PhysicalCameraSettings>::iterator it; | 
 |                     for (it = captureRequest->mSettingsList.begin(); | 
 |                             it != captureRequest->mSettingsList.end(); it++) { | 
 |                         if (parent->mUHRCropAndMeteringRegionMappers.find(it->cameraId) == | 
 |                                 parent->mUHRCropAndMeteringRegionMappers.end()) { | 
 |                             if (removeFwkOnlyRegionKeys(&(it->metadata)) != OK) { | 
 |                                 SET_ERR("RequestThread: Unable to remove fwk-only keys from request" | 
 |                                         "%d: %s (%d)", halRequest->frame_number, strerror(-res), | 
 |                                         res); | 
 |                                 return INVALID_OPERATION; | 
 |                             } | 
 |                             continue; | 
 |                         } | 
 |  | 
 |                         if (!captureRequest->mUHRCropAndMeteringRegionsUpdated) { | 
 |                             res = parent->mUHRCropAndMeteringRegionMappers[it->cameraId]. | 
 |                                     updateCaptureRequest(&(it->metadata)); | 
 |                             if (res != OK) { | 
 |                                 SET_ERR("RequestThread: Unable to correct capture requests " | 
 |                                         "for scaler crop region and metering regions for request " | 
 |                                         "%d: %s (%d)", halRequest->frame_number, strerror(-res), | 
 |                                         res); | 
 |                                 return INVALID_OPERATION; | 
 |                             } | 
 |                             captureRequest->mUHRCropAndMeteringRegionsUpdated = true; | 
 |                             if (removeFwkOnlyRegionKeys(&(it->metadata)) != OK) { | 
 |                                 SET_ERR("RequestThread: Unable to remove fwk-only keys from request" | 
 |                                         "%d: %s (%d)", halRequest->frame_number, strerror(-res), | 
 |                                         res); | 
 |                                 return INVALID_OPERATION; | 
 |                             } | 
 |                         } | 
 |                     } | 
 |  | 
 |                     // Correct metadata regions for distortion correction if enabled | 
 |                     for (it = captureRequest->mSettingsList.begin(); | 
 |                             it != captureRequest->mSettingsList.end(); it++) { | 
 |                         if (parent->mDistortionMappers.find(it->cameraId) == | 
 |                                 parent->mDistortionMappers.end()) { | 
 |                             continue; | 
 |                         } | 
 |  | 
 |                         if (!captureRequest->mDistortionCorrectionUpdated) { | 
 |                             res = parent->mDistortionMappers[it->cameraId].correctCaptureRequest( | 
 |                                     &(it->metadata)); | 
 |                             if (res != OK) { | 
 |                                 SET_ERR("RequestThread: Unable to correct capture requests " | 
 |                                         "for lens distortion for request %d: %s (%d)", | 
 |                                         halRequest->frame_number, strerror(-res), res); | 
 |                                 return INVALID_OPERATION; | 
 |                             } | 
 |                             captureRequest->mDistortionCorrectionUpdated = true; | 
 |                         } | 
 |                     } | 
 |  | 
 |                     for (it = captureRequest->mSettingsList.begin(); | 
 |                             it != captureRequest->mSettingsList.end(); it++) { | 
 |                         if (parent->mZoomRatioMappers.find(it->cameraId) == | 
 |                                 parent->mZoomRatioMappers.end()) { | 
 |                             continue; | 
 |                         } | 
 |  | 
 |                         if (!captureRequest->mZoomRatioIs1x) { | 
 |                             cameraIdsWithZoom.insert(it->cameraId); | 
 |                         } | 
 |  | 
 |                         if (!captureRequest->mZoomRatioUpdated) { | 
 |                             res = parent->mZoomRatioMappers[it->cameraId].updateCaptureRequest( | 
 |                                     &(it->metadata)); | 
 |                             if (res != OK) { | 
 |                                 SET_ERR("RequestThread: Unable to correct capture requests " | 
 |                                         "for zoom ratio for request %d: %s (%d)", | 
 |                                         halRequest->frame_number, strerror(-res), res); | 
 |                                 return INVALID_OPERATION; | 
 |                             } | 
 |                             captureRequest->mZoomRatioUpdated = true; | 
 |                         } | 
 |                     } | 
 |                     if (captureRequest->mRotateAndCropAuto && | 
 |                             !captureRequest->mRotationAndCropUpdated) { | 
 |                         for (it = captureRequest->mSettingsList.begin(); | 
 |                                 it != captureRequest->mSettingsList.end(); it++) { | 
 |                             auto mapper = parent->mRotateAndCropMappers.find(it->cameraId); | 
 |                             if (mapper != parent->mRotateAndCropMappers.end()) { | 
 |                                 res = mapper->second.updateCaptureRequest(&(it->metadata)); | 
 |                                 if (res != OK) { | 
 |                                     SET_ERR("RequestThread: Unable to correct capture requests " | 
 |                                             "for rotate-and-crop for request %d: %s (%d)", | 
 |                                             halRequest->frame_number, strerror(-res), res); | 
 |                                     return INVALID_OPERATION; | 
 |                                 } | 
 |                             } | 
 |                         } | 
 |                         captureRequest->mRotationAndCropUpdated = true; | 
 |                     } | 
 |                 } | 
 |             } | 
 |  | 
 |             /** | 
 |              * The request should be presorted so accesses in HAL | 
 |              *   are O(logn). Sidenote, sorting a sorted metadata is nop. | 
 |              */ | 
 |             captureRequest->mSettingsList.begin()->metadata.sort(); | 
 |             halRequest->settings = captureRequest->mSettingsList.begin()->metadata.getAndLock(); | 
 |             mPrevRequest = captureRequest; | 
 |             mPrevCameraIdsWithZoom = cameraIdsWithZoom; | 
 |             ALOGVV("%s: Request settings are NEW", __FUNCTION__); | 
 |  | 
 |             IF_ALOGV() { | 
 |                 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); | 
 |                 find_camera_metadata_ro_entry( | 
 |                         halRequest->settings, | 
 |                         ANDROID_CONTROL_AF_TRIGGER, | 
 |                         &e | 
 |                 ); | 
 |                 if (e.count > 0) { | 
 |                     ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", | 
 |                           __FUNCTION__, | 
 |                           halRequest->frame_number, | 
 |                           e.data.u8[0]); | 
 |                 } | 
 |             } | 
 |         } else { | 
 |             // leave request.settings NULL to indicate 'reuse latest given' | 
 |             ALOGVV("%s: Request settings are REUSED", | 
 |                    __FUNCTION__); | 
 |         } | 
 |  | 
 |         if (captureRequest->mSettingsList.size() > 1) { | 
 |             halRequest->num_physcam_settings = captureRequest->mSettingsList.size() - 1; | 
 |             halRequest->physcam_id = new const char* [halRequest->num_physcam_settings]; | 
 |             if (newRequest) { | 
 |                 halRequest->physcam_settings = | 
 |                     new const camera_metadata* [halRequest->num_physcam_settings]; | 
 |             } else { | 
 |                 halRequest->physcam_settings = nullptr; | 
 |             } | 
 |             auto it = ++captureRequest->mSettingsList.begin(); | 
 |             size_t i = 0; | 
 |             for (; it != captureRequest->mSettingsList.end(); it++, i++) { | 
 |                 halRequest->physcam_id[i] = it->cameraId.c_str(); | 
 |                 if (newRequest) { | 
 |                     it->metadata.sort(); | 
 |                     halRequest->physcam_settings[i] = it->metadata.getAndLock(); | 
 |                 } | 
 |             } | 
 |         } | 
 |  | 
 |         uint32_t totalNumBuffers = 0; | 
 |  | 
 |         // Fill in buffers | 
 |         if (captureRequest->mInputStream != NULL) { | 
 |             halRequest->input_buffer = &captureRequest->mInputBuffer; | 
 |  | 
 |             halRequest->input_width = captureRequest->mInputBufferSize.width; | 
 |             halRequest->input_height = captureRequest->mInputBufferSize.height; | 
 |             totalNumBuffers += 1; | 
 |         } else { | 
 |             halRequest->input_buffer = NULL; | 
 |         } | 
 |  | 
 |         outputBuffers->insertAt(camera_stream_buffer_t(), 0, | 
 |                 captureRequest->mOutputStreams.size()); | 
 |         halRequest->output_buffers = outputBuffers->array(); | 
 |         std::set<std::set<String8>> requestedPhysicalCameras; | 
 |  | 
 |         sp<Camera3Device> parent = mParent.promote(); | 
 |         if (parent == NULL) { | 
 |             // Should not happen, and nowhere to send errors to, so just log it | 
 |             CLOGE("RequestThread: Parent is gone"); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |         nsecs_t waitDuration = kBaseGetBufferWait + parent->getExpectedInFlightDuration(); | 
 |  | 
 |         SurfaceMap uniqueSurfaceIdMap; | 
 |         for (size_t j = 0; j < captureRequest->mOutputStreams.size(); j++) { | 
 |             sp<Camera3OutputStreamInterface> outputStream = | 
 |                     captureRequest->mOutputStreams.editItemAt(j); | 
 |             int streamId = outputStream->getId(); | 
 |  | 
 |             // Prepare video buffers for high speed recording on the first video request. | 
 |             if (mPrepareVideoStream && outputStream->isVideoStream()) { | 
 |                 // Only try to prepare video stream on the first video request. | 
 |                 mPrepareVideoStream = false; | 
 |  | 
 |                 res = outputStream->startPrepare(Camera3StreamInterface::ALLOCATE_PIPELINE_MAX, | 
 |                         false /*blockRequest*/); | 
 |                 while (res == NOT_ENOUGH_DATA) { | 
 |                     res = outputStream->prepareNextBuffer(); | 
 |                 } | 
 |                 if (res != OK) { | 
 |                     ALOGW("%s: Preparing video buffers for high speed failed: %s (%d)", | 
 |                         __FUNCTION__, strerror(-res), res); | 
 |                     outputStream->cancelPrepare(); | 
 |                 } | 
 |             } | 
 |  | 
 |             std::vector<size_t> uniqueSurfaceIds; | 
 |             res = outputStream->getUniqueSurfaceIds( | 
 |                     captureRequest->mOutputSurfaces[streamId], | 
 |                     &uniqueSurfaceIds); | 
 |             // INVALID_OPERATION is normal output for streams not supporting surfaceIds | 
 |             if (res != OK && res != INVALID_OPERATION) { | 
 |                 ALOGE("%s: failed to query stream %d unique surface IDs", | 
 |                         __FUNCTION__, streamId); | 
 |                 return res; | 
 |             } | 
 |             if (res == OK) { | 
 |                 uniqueSurfaceIdMap.insert({streamId, std::move(uniqueSurfaceIds)}); | 
 |             } | 
 |  | 
 |             if (mUseHalBufManager) { | 
 |                 if (outputStream->isAbandoned()) { | 
 |                     ALOGV("%s: stream %d is abandoned, skipping request", __FUNCTION__, streamId); | 
 |                     return TIMED_OUT; | 
 |                 } | 
 |                 // HAL will request buffer through requestStreamBuffer API | 
 |                 camera_stream_buffer_t& buffer = outputBuffers->editItemAt(j); | 
 |                 buffer.stream = outputStream->asHalStream(); | 
 |                 buffer.buffer = nullptr; | 
 |                 buffer.status = CAMERA_BUFFER_STATUS_OK; | 
 |                 buffer.acquire_fence = -1; | 
 |                 buffer.release_fence = -1; | 
 |                 // Mark the output stream as unpreparable to block clients from calling | 
 |                 // 'prepare' after this request reaches CameraHal and before the respective | 
 |                 // buffers are requested. | 
 |                 outputStream->markUnpreparable(); | 
 |             } else { | 
 |                 res = outputStream->getBuffer(&outputBuffers->editItemAt(j), | 
 |                         waitDuration, | 
 |                         captureRequest->mOutputSurfaces[streamId]); | 
 |                 if (res != OK) { | 
 |                     // Can't get output buffer from gralloc queue - this could be due to | 
 |                     // abandoned queue or other consumer misbehavior, so not a fatal | 
 |                     // error | 
 |                     ALOGV("RequestThread: Can't get output buffer, skipping request:" | 
 |                             " %s (%d)", strerror(-res), res); | 
 |  | 
 |                     return TIMED_OUT; | 
 |                 } | 
 |             } | 
 |  | 
 |             { | 
 |                 sp<Camera3Device> parent = mParent.promote(); | 
 |                 if (parent != nullptr) { | 
 |                     const String8& streamCameraId = outputStream->getPhysicalCameraId(); | 
 |                     for (const auto& settings : captureRequest->mSettingsList) { | 
 |                         if ((streamCameraId.isEmpty() && | 
 |                                 parent->getId() == settings.cameraId.c_str()) || | 
 |                                 streamCameraId == settings.cameraId.c_str()) { | 
 |                             outputStream->fireBufferRequestForFrameNumber( | 
 |                                     captureRequest->mResultExtras.frameNumber, | 
 |                                     settings.metadata); | 
 |                         } | 
 |                     } | 
 |                 } | 
 |             } | 
 |  | 
 |             String8 physicalCameraId = outputStream->getPhysicalCameraId(); | 
 |             int32_t streamGroupId = outputStream->getHalStreamGroupId(); | 
 |             if (streamGroupId != -1 && mGroupIdPhysicalCameraMap.count(streamGroupId) == 1) { | 
 |                 requestedPhysicalCameras.insert(mGroupIdPhysicalCameraMap[streamGroupId]); | 
 |             } else if (!physicalCameraId.isEmpty()) { | 
 |                 requestedPhysicalCameras.insert(std::set<String8>({physicalCameraId})); | 
 |             } | 
 |             halRequest->num_output_buffers++; | 
 |         } | 
 |         totalNumBuffers += halRequest->num_output_buffers; | 
 |  | 
 |         // Log request in the in-flight queue | 
 |         // If this request list is for constrained high speed recording (not | 
 |         // preview), and the current request is not the last one in the batch, | 
 |         // do not send callback to the app. | 
 |         bool hasCallback = true; | 
 |         if (batchedRequest && i != mNextRequests.size()-1) { | 
 |             hasCallback = false; | 
 |         } | 
 |         bool isStillCapture = false; | 
 |         bool isZslCapture = false; | 
 |         const camera_metadata_t* settings = halRequest->settings; | 
 |         bool shouldUnlockSettings = false; | 
 |         if (settings == nullptr) { | 
 |             shouldUnlockSettings = true; | 
 |             settings = captureRequest->mSettingsList.begin()->metadata.getAndLock(); | 
 |         } | 
 |         if (!mNextRequests[0].captureRequest->mSettingsList.begin()->metadata.isEmpty()) { | 
 |             camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); | 
 |             find_camera_metadata_ro_entry(settings, ANDROID_CONTROL_CAPTURE_INTENT, &e); | 
 |             if ((e.count > 0) && (e.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE)) { | 
 |                 isStillCapture = true; | 
 |                 ATRACE_ASYNC_BEGIN("still capture", mNextRequests[i].halRequest.frame_number); | 
 |             } | 
 |  | 
 |             e = camera_metadata_ro_entry_t(); | 
 |             find_camera_metadata_ro_entry(settings, ANDROID_CONTROL_ENABLE_ZSL, &e); | 
 |             if ((e.count > 0) && (e.data.u8[0] == ANDROID_CONTROL_ENABLE_ZSL_TRUE)) { | 
 |                 isZslCapture = true; | 
 |             } | 
 |         } | 
 |         auto expectedDurationInfo = calculateExpectedDurationRange(settings); | 
 |         res = parent->registerInFlight(halRequest->frame_number, | 
 |                 totalNumBuffers, captureRequest->mResultExtras, | 
 |                 /*hasInput*/halRequest->input_buffer != NULL, | 
 |                 hasCallback, | 
 |                 expectedDurationInfo.minDuration, | 
 |                 expectedDurationInfo.maxDuration, | 
 |                 expectedDurationInfo.isFixedFps, | 
 |                 requestedPhysicalCameras, isStillCapture, isZslCapture, | 
 |                 captureRequest->mRotateAndCropAuto, mPrevCameraIdsWithZoom, | 
 |                 (mUseHalBufManager) ? uniqueSurfaceIdMap : | 
 |                                       SurfaceMap{}, captureRequest->mRequestTimeNs); | 
 |         ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 | 
 |                ", burstId = %" PRId32 ".", | 
 |                 __FUNCTION__, | 
 |                 captureRequest->mResultExtras.requestId, captureRequest->mResultExtras.frameNumber, | 
 |                 captureRequest->mResultExtras.burstId); | 
 |  | 
 |         if (shouldUnlockSettings) { | 
 |             captureRequest->mSettingsList.begin()->metadata.unlock(settings); | 
 |         } | 
 |  | 
 |         if (res != OK) { | 
 |             SET_ERR("RequestThread: Unable to register new in-flight request:" | 
 |                     " %s (%d)", strerror(-res), res); | 
 |             return INVALID_OPERATION; | 
 |         } | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock al(mLatestRequestMutex); | 
 |  | 
 |     ALOGV("RequestThread::%s", __FUNCTION__); | 
 |  | 
 |     return mLatestRequest; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::isStreamPending( | 
 |         sp<Camera3StreamInterface>& stream) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |  | 
 |     for (const auto& nextRequest : mNextRequests) { | 
 |         if (!nextRequest.submitted) { | 
 |             for (const auto& s : nextRequest.captureRequest->mOutputStreams) { | 
 |                 if (stream == s) return true; | 
 |             } | 
 |             if (stream == nextRequest.captureRequest->mInputStream) return true; | 
 |         } | 
 |     } | 
 |  | 
 |     for (const auto& request : mRequestQueue) { | 
 |         for (const auto& s : request->mOutputStreams) { | 
 |             if (stream == s) return true; | 
 |         } | 
 |         if (stream == request->mInputStream) return true; | 
 |     } | 
 |  | 
 |     for (const auto& request : mRepeatingRequests) { | 
 |         for (const auto& s : request->mOutputStreams) { | 
 |             if (stream == s) return true; | 
 |         } | 
 |         if (stream == request->mInputStream) return true; | 
 |     } | 
 |  | 
 |     return false; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::isOutputSurfacePending(int streamId, size_t surfaceId) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mRequestLock); | 
 |  | 
 |     for (const auto& nextRequest : mNextRequests) { | 
 |         for (const auto& s : nextRequest.captureRequest->mOutputSurfaces) { | 
 |             if (s.first == streamId) { | 
 |                 const auto &it = std::find(s.second.begin(), s.second.end(), surfaceId); | 
 |                 if (it != s.second.end()) { | 
 |                     return true; | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     for (const auto& request : mRequestQueue) { | 
 |         for (const auto& s : request->mOutputSurfaces) { | 
 |             if (s.first == streamId) { | 
 |                 const auto &it = std::find(s.second.begin(), s.second.end(), surfaceId); | 
 |                 if (it != s.second.end()) { | 
 |                     return true; | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     for (const auto& request : mRepeatingRequests) { | 
 |         for (const auto& s : request->mOutputSurfaces) { | 
 |             if (s.first == streamId) { | 
 |                 const auto &it = std::find(s.second.begin(), s.second.end(), surfaceId); | 
 |                 if (it != s.second.end()) { | 
 |                     return true; | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     return false; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::signalPipelineDrain(const std::vector<int>& streamIds) { | 
 |     if (!mUseHalBufManager) { | 
 |         ALOGE("%s called for camera device not supporting HAL buffer management", __FUNCTION__); | 
 |         return; | 
 |     } | 
 |  | 
 |     Mutex::Autolock pl(mPauseLock); | 
 |     if (mPaused) { | 
 |         mInterface->signalPipelineDrain(streamIds); | 
 |         return; | 
 |     } | 
 |     // If request thread is still busy, wait until paused then notify HAL | 
 |     mNotifyPipelineDrain = true; | 
 |     mStreamIdsToBeDrained = streamIds; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::resetPipelineDrain() { | 
 |     Mutex::Autolock pl(mPauseLock); | 
 |     mNotifyPipelineDrain = false; | 
 |     mStreamIdsToBeDrained.clear(); | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::clearPreviousRequest() { | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     mPrevRequest.clear(); | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::setRotateAndCropAutoBehavior( | 
 |         camera_metadata_enum_android_scaler_rotate_and_crop_t rotateAndCropValue) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mTriggerMutex); | 
 |     if (rotateAndCropValue == ANDROID_SCALER_ROTATE_AND_CROP_AUTO) { | 
 |         return BAD_VALUE; | 
 |     } | 
 |     mRotateAndCropOverride = rotateAndCropValue; | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::setComposerSurface(bool composerSurfacePresent) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mTriggerMutex); | 
 |     mComposerOutput = composerSurfacePresent; | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::setCameraMute(int32_t muteMode) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mTriggerMutex); | 
 |     if (muteMode != mCameraMute) { | 
 |         mCameraMute = muteMode; | 
 |         mCameraMuteChanged = true; | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | nsecs_t Camera3Device::getExpectedInFlightDuration() { | 
 |     ATRACE_CALL(); | 
 |     std::lock_guard<std::mutex> l(mInFlightLock); | 
 |     return mExpectedInflightDuration > kMinInflightDuration ? | 
 |             mExpectedInflightDuration : kMinInflightDuration; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::cleanupPhysicalSettings(sp<CaptureRequest> request, | 
 |         camera_capture_request_t *halRequest) { | 
 |     if ((request == nullptr) || (halRequest == nullptr)) { | 
 |         ALOGE("%s: Invalid request!", __FUNCTION__); | 
 |         return; | 
 |     } | 
 |  | 
 |     if (halRequest->num_physcam_settings > 0) { | 
 |         if (halRequest->physcam_id != nullptr) { | 
 |             delete [] halRequest->physcam_id; | 
 |             halRequest->physcam_id = nullptr; | 
 |         } | 
 |         if (halRequest->physcam_settings != nullptr) { | 
 |             auto it = ++(request->mSettingsList.begin()); | 
 |             size_t i = 0; | 
 |             for (; it != request->mSettingsList.end(); it++, i++) { | 
 |                 it->metadata.unlock(halRequest->physcam_settings[i]); | 
 |             } | 
 |             delete [] halRequest->physcam_settings; | 
 |             halRequest->physcam_settings = nullptr; | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::setCameraServiceWatchdog(bool enabled) { | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     if (mCameraServiceWatchdog != NULL) { | 
 |         mCameraServiceWatchdog->setEnabled(enabled); | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::cleanUpFailedRequests(bool sendRequestError) { | 
 |     if (mNextRequests.empty()) { | 
 |         return; | 
 |     } | 
 |  | 
 |     for (auto& nextRequest : mNextRequests) { | 
 |         // Skip the ones that have been submitted successfully. | 
 |         if (nextRequest.submitted) { | 
 |             continue; | 
 |         } | 
 |  | 
 |         sp<CaptureRequest> captureRequest = nextRequest.captureRequest; | 
 |         camera_capture_request_t* halRequest = &nextRequest.halRequest; | 
 |         Vector<camera_stream_buffer_t>* outputBuffers = &nextRequest.outputBuffers; | 
 |  | 
 |         if (halRequest->settings != NULL) { | 
 |             captureRequest->mSettingsList.begin()->metadata.unlock(halRequest->settings); | 
 |         } | 
 |  | 
 |         cleanupPhysicalSettings(captureRequest, halRequest); | 
 |  | 
 |         if (captureRequest->mInputStream != NULL) { | 
 |             captureRequest->mInputBuffer.status = CAMERA_BUFFER_STATUS_ERROR; | 
 |             captureRequest->mInputStream->returnInputBuffer(captureRequest->mInputBuffer); | 
 |         } | 
 |  | 
 |         // No output buffer can be returned when using HAL buffer manager | 
 |         if (!mUseHalBufManager) { | 
 |             for (size_t i = 0; i < halRequest->num_output_buffers; i++) { | 
 |                 //Buffers that failed processing could still have | 
 |                 //valid acquire fence. | 
 |                 int acquireFence = (*outputBuffers)[i].acquire_fence; | 
 |                 if (0 <= acquireFence) { | 
 |                     close(acquireFence); | 
 |                     outputBuffers->editItemAt(i).acquire_fence = -1; | 
 |                 } | 
 |                 outputBuffers->editItemAt(i).status = CAMERA_BUFFER_STATUS_ERROR; | 
 |                 captureRequest->mOutputStreams.editItemAt(i)->returnBuffer((*outputBuffers)[i], | 
 |                         /*timestamp*/0, /*readoutTimestamp*/0, | 
 |                         /*timestampIncreasing*/true, std::vector<size_t> (), | 
 |                         captureRequest->mResultExtras.frameNumber); | 
 |             } | 
 |         } | 
 |  | 
 |         if (sendRequestError) { | 
 |             Mutex::Autolock l(mRequestLock); | 
 |             sp<NotificationListener> listener = mListener.promote(); | 
 |             if (listener != NULL) { | 
 |                 listener->notifyError( | 
 |                         hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, | 
 |                         captureRequest->mResultExtras); | 
 |             } | 
 |         } | 
 |  | 
 |         // Remove yet-to-be submitted inflight request from inflightMap | 
 |         { | 
 |           sp<Camera3Device> parent = mParent.promote(); | 
 |           if (parent != NULL) { | 
 |               std::lock_guard<std::mutex> l(parent->mInFlightLock); | 
 |               ssize_t idx = parent->mInFlightMap.indexOfKey(captureRequest->mResultExtras.frameNumber); | 
 |               if (idx >= 0) { | 
 |                   ALOGV("%s: Remove inflight request from queue: frameNumber %" PRId64, | 
 |                         __FUNCTION__, captureRequest->mResultExtras.frameNumber); | 
 |                   parent->removeInFlightMapEntryLocked(idx); | 
 |               } | 
 |           } | 
 |         } | 
 |     } | 
 |  | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     mNextRequests.clear(); | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::waitForNextRequestBatch() { | 
 |     ATRACE_CALL(); | 
 |     // Optimized a bit for the simple steady-state case (single repeating | 
 |     // request), to avoid putting that request in the queue temporarily. | 
 |     Mutex::Autolock l(mRequestLock); | 
 |  | 
 |     assert(mNextRequests.empty()); | 
 |  | 
 |     NextRequest nextRequest; | 
 |     nextRequest.captureRequest = waitForNextRequestLocked(); | 
 |     if (nextRequest.captureRequest == nullptr) { | 
 |         return; | 
 |     } | 
 |  | 
 |     nextRequest.halRequest = camera_capture_request_t(); | 
 |     nextRequest.submitted = false; | 
 |     mNextRequests.add(nextRequest); | 
 |  | 
 |     // Wait for additional requests | 
 |     const size_t batchSize = nextRequest.captureRequest->mBatchSize; | 
 |  | 
 |     for (size_t i = 1; i < batchSize; i++) { | 
 |         NextRequest additionalRequest; | 
 |         additionalRequest.captureRequest = waitForNextRequestLocked(); | 
 |         if (additionalRequest.captureRequest == nullptr) { | 
 |             break; | 
 |         } | 
 |  | 
 |         additionalRequest.halRequest = camera_capture_request_t(); | 
 |         additionalRequest.submitted = false; | 
 |         mNextRequests.add(additionalRequest); | 
 |     } | 
 |  | 
 |     if (mNextRequests.size() < batchSize) { | 
 |         ALOGE("RequestThread: only get %zu out of %zu requests. Skipping requests.", | 
 |                 mNextRequests.size(), batchSize); | 
 |         cleanUpFailedRequests(/*sendRequestError*/true); | 
 |     } | 
 |  | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::setRequestClearing() { | 
 |     Mutex::Autolock l(mRequestLock); | 
 |     mRequestClearing = true; | 
 | } | 
 |  | 
 | sp<Camera3Device::CaptureRequest> | 
 |         Camera3Device::RequestThread::waitForNextRequestLocked() { | 
 |     status_t res; | 
 |     sp<CaptureRequest> nextRequest; | 
 |  | 
 |     while (mRequestQueue.empty()) { | 
 |         if (!mRepeatingRequests.empty()) { | 
 |             // Always atomically enqueue all requests in a repeating request | 
 |             // list. Guarantees a complete in-sequence set of captures to | 
 |             // application. | 
 |             const RequestList &requests = mRepeatingRequests; | 
 |             if (mFirstRepeating) { | 
 |                 mFirstRepeating = false; | 
 |             } else { | 
 |                 for (auto& request : requests) { | 
 |                     // For repeating requests, override timestamp request using | 
 |                     // the time a request is inserted into the request queue, | 
 |                     // because the original repeating request will have an old | 
 |                     // fixed timestamp. | 
 |                     request->mRequestTimeNs = systemTime(); | 
 |                 } | 
 |             } | 
 |             RequestList::const_iterator firstRequest = | 
 |                     requests.begin(); | 
 |             nextRequest = *firstRequest; | 
 |             mRequestQueue.insert(mRequestQueue.end(), | 
 |                     ++firstRequest, | 
 |                     requests.end()); | 
 |             // No need to wait any longer | 
 |  | 
 |             mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; | 
 |  | 
 |             break; | 
 |         } | 
 |  | 
 |         if (!mRequestClearing) { | 
 |             res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); | 
 |         } | 
 |  | 
 |         if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || | 
 |                 exitPending()) { | 
 |             Mutex::Autolock pl(mPauseLock); | 
 |             if (mPaused == false) { | 
 |                 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); | 
 |                 mPaused = true; | 
 |                 if (mNotifyPipelineDrain) { | 
 |                     mInterface->signalPipelineDrain(mStreamIdsToBeDrained); | 
 |                     mNotifyPipelineDrain = false; | 
 |                     mStreamIdsToBeDrained.clear(); | 
 |                 } | 
 |                 // Let the tracker know | 
 |                 sp<StatusTracker> statusTracker = mStatusTracker.promote(); | 
 |                 if (statusTracker != 0) { | 
 |                     statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); | 
 |                 } | 
 |                 sp<Camera3Device> parent = mParent.promote(); | 
 |                 if (parent != nullptr) { | 
 |                     parent->mRequestBufferSM.onRequestThreadPaused(); | 
 |                 } | 
 |             } | 
 |             mRequestClearing = false; | 
 |             // Stop waiting for now and let thread management happen | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |  | 
 |     if (nextRequest == NULL) { | 
 |         // Don't have a repeating request already in hand, so queue | 
 |         // must have an entry now. | 
 |         RequestList::iterator firstRequest = | 
 |                 mRequestQueue.begin(); | 
 |         nextRequest = *firstRequest; | 
 |         mRequestQueue.erase(firstRequest); | 
 |         if (mRequestQueue.empty() && !nextRequest->mRepeating) { | 
 |             sp<NotificationListener> listener = mListener.promote(); | 
 |             if (listener != NULL) { | 
 |                 listener->notifyRequestQueueEmpty(); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     // In case we've been unpaused by setPaused clearing mDoPause, need to | 
 |     // update internal pause state (capture/setRepeatingRequest unpause | 
 |     // directly). | 
 |     Mutex::Autolock pl(mPauseLock); | 
 |     if (mPaused) { | 
 |         ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); | 
 |         sp<StatusTracker> statusTracker = mStatusTracker.promote(); | 
 |         if (statusTracker != 0) { | 
 |             statusTracker->markComponentActive(mStatusId); | 
 |         } | 
 |     } | 
 |     mPaused = false; | 
 |  | 
 |     // Check if we've reconfigured since last time, and reset the preview | 
 |     // request if so. Can't use 'NULL request == repeat' across configure calls. | 
 |     if (mReconfigured) { | 
 |         mPrevRequest.clear(); | 
 |         mReconfigured = false; | 
 |     } | 
 |  | 
 |     if (nextRequest != NULL) { | 
 |         nextRequest->mResultExtras.frameNumber = mFrameNumber++; | 
 |         nextRequest->mResultExtras.afTriggerId = mCurrentAfTriggerId; | 
 |         nextRequest->mResultExtras.precaptureTriggerId = mCurrentPreCaptureTriggerId; | 
 |  | 
 |         // Since RequestThread::clear() removes buffers from the input stream, | 
 |         // get the right buffer here before unlocking mRequestLock | 
 |         if (nextRequest->mInputStream != NULL) { | 
 |             res = nextRequest->mInputStream->getInputBuffer(&nextRequest->mInputBuffer, | 
 |                     &nextRequest->mInputBufferSize); | 
 |             if (res != OK) { | 
 |                 // Can't get input buffer from gralloc queue - this could be due to | 
 |                 // disconnected queue or other producer misbehavior, so not a fatal | 
 |                 // error | 
 |                 ALOGE("%s: Can't get input buffer, skipping request:" | 
 |                         " %s (%d)", __FUNCTION__, strerror(-res), res); | 
 |  | 
 |                 sp<NotificationListener> listener = mListener.promote(); | 
 |                 if (listener != NULL) { | 
 |                     listener->notifyError( | 
 |                             hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, | 
 |                             nextRequest->mResultExtras); | 
 |                 } | 
 |                 return NULL; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     return nextRequest; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::waitIfPaused() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |     Mutex::Autolock l(mPauseLock); | 
 |     while (mDoPause) { | 
 |         if (mPaused == false) { | 
 |             mPaused = true; | 
 |             ALOGV("%s: RequestThread: Paused", __FUNCTION__); | 
 |             if (mNotifyPipelineDrain) { | 
 |                 mInterface->signalPipelineDrain(mStreamIdsToBeDrained); | 
 |                 mNotifyPipelineDrain = false; | 
 |                 mStreamIdsToBeDrained.clear(); | 
 |             } | 
 |             // Let the tracker know | 
 |             sp<StatusTracker> statusTracker = mStatusTracker.promote(); | 
 |             if (statusTracker != 0) { | 
 |                 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); | 
 |             } | 
 |             sp<Camera3Device> parent = mParent.promote(); | 
 |             if (parent != nullptr) { | 
 |                 parent->mRequestBufferSM.onRequestThreadPaused(); | 
 |             } | 
 |         } | 
 |  | 
 |         res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); | 
 |         if (res == TIMED_OUT || exitPending()) { | 
 |             return true; | 
 |         } | 
 |     } | 
 |     // We don't set mPaused to false here, because waitForNextRequest needs | 
 |     // to further manage the paused state in case of starvation. | 
 |     return false; | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::unpauseForNewRequests() { | 
 |     ATRACE_CALL(); | 
 |     // With work to do, mark thread as unpaused. | 
 |     // If paused by request (setPaused), don't resume, to avoid | 
 |     // extra signaling/waiting overhead to waitUntilPaused | 
 |     mRequestSignal.signal(); | 
 |     Mutex::Autolock p(mPauseLock); | 
 |     if (!mDoPause) { | 
 |         ALOGV("%s: RequestThread: Going active", __FUNCTION__); | 
 |         if (mPaused) { | 
 |             sp<StatusTracker> statusTracker = mStatusTracker.promote(); | 
 |             if (statusTracker != 0) { | 
 |                 statusTracker->markComponentActive(mStatusId); | 
 |             } | 
 |         } | 
 |         mPaused = false; | 
 |     } | 
 | } | 
 |  | 
 | void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { | 
 |     sp<Camera3Device> parent = mParent.promote(); | 
 |     if (parent != NULL) { | 
 |         va_list args; | 
 |         va_start(args, fmt); | 
 |  | 
 |         parent->setErrorStateV(fmt, args); | 
 |  | 
 |         va_end(args); | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::insertTriggers( | 
 |         const sp<CaptureRequest> &request) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock al(mTriggerMutex); | 
 |  | 
 |     sp<Camera3Device> parent = mParent.promote(); | 
 |     if (parent == NULL) { | 
 |         CLOGE("RequestThread: Parent is gone"); | 
 |         return DEAD_OBJECT; | 
 |     } | 
 |  | 
 |     CameraMetadata &metadata = request->mSettingsList.begin()->metadata; | 
 |     size_t count = mTriggerMap.size(); | 
 |  | 
 |     for (size_t i = 0; i < count; ++i) { | 
 |         RequestTrigger trigger = mTriggerMap.valueAt(i); | 
 |         uint32_t tag = trigger.metadataTag; | 
 |  | 
 |         if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { | 
 |             bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); | 
 |             uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); | 
 |             if (isAeTrigger) { | 
 |                 request->mResultExtras.precaptureTriggerId = triggerId; | 
 |                 mCurrentPreCaptureTriggerId = triggerId; | 
 |             } else { | 
 |                 request->mResultExtras.afTriggerId = triggerId; | 
 |                 mCurrentAfTriggerId = triggerId; | 
 |             } | 
 |             continue; | 
 |         } | 
 |  | 
 |         camera_metadata_entry entry = metadata.find(tag); | 
 |  | 
 |         if (entry.count > 0) { | 
 |             /** | 
 |              * Already has an entry for this trigger in the request. | 
 |              * Rewrite it with our requested trigger value. | 
 |              */ | 
 |             RequestTrigger oldTrigger = trigger; | 
 |  | 
 |             oldTrigger.entryValue = entry.data.u8[0]; | 
 |  | 
 |             mTriggerReplacedMap.add(tag, oldTrigger); | 
 |         } else { | 
 |             /** | 
 |              * More typical, no trigger entry, so we just add it | 
 |              */ | 
 |             mTriggerRemovedMap.add(tag, trigger); | 
 |         } | 
 |  | 
 |         status_t res; | 
 |  | 
 |         switch (trigger.getTagType()) { | 
 |             case TYPE_BYTE: { | 
 |                 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); | 
 |                 res = metadata.update(tag, | 
 |                                       &entryValue, | 
 |                                       /*count*/1); | 
 |                 break; | 
 |             } | 
 |             case TYPE_INT32: | 
 |                 res = metadata.update(tag, | 
 |                                       &trigger.entryValue, | 
 |                                       /*count*/1); | 
 |                 break; | 
 |             default: | 
 |                 ALOGE("%s: Type not supported: 0x%x", | 
 |                       __FUNCTION__, | 
 |                       trigger.getTagType()); | 
 |                 return INVALID_OPERATION; | 
 |         } | 
 |  | 
 |         if (res != OK) { | 
 |             ALOGE("%s: Failed to update request metadata with trigger tag %s" | 
 |                   ", value %d", __FUNCTION__, trigger.getTagName(), | 
 |                   trigger.entryValue); | 
 |             return res; | 
 |         } | 
 |  | 
 |         ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, | 
 |               trigger.getTagName(), | 
 |               trigger.entryValue); | 
 |     } | 
 |  | 
 |     mTriggerMap.clear(); | 
 |  | 
 |     return count; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::removeTriggers( | 
 |         const sp<CaptureRequest> &request) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock al(mTriggerMutex); | 
 |  | 
 |     CameraMetadata &metadata = request->mSettingsList.begin()->metadata; | 
 |  | 
 |     /** | 
 |      * Replace all old entries with their old values. | 
 |      */ | 
 |     for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { | 
 |         RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); | 
 |  | 
 |         status_t res; | 
 |  | 
 |         uint32_t tag = trigger.metadataTag; | 
 |         switch (trigger.getTagType()) { | 
 |             case TYPE_BYTE: { | 
 |                 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); | 
 |                 res = metadata.update(tag, | 
 |                                       &entryValue, | 
 |                                       /*count*/1); | 
 |                 break; | 
 |             } | 
 |             case TYPE_INT32: | 
 |                 res = metadata.update(tag, | 
 |                                       &trigger.entryValue, | 
 |                                       /*count*/1); | 
 |                 break; | 
 |             default: | 
 |                 ALOGE("%s: Type not supported: 0x%x", | 
 |                       __FUNCTION__, | 
 |                       trigger.getTagType()); | 
 |                 return INVALID_OPERATION; | 
 |         } | 
 |  | 
 |         if (res != OK) { | 
 |             ALOGE("%s: Failed to restore request metadata with trigger tag %s" | 
 |                   ", trigger value %d", __FUNCTION__, | 
 |                   trigger.getTagName(), trigger.entryValue); | 
 |             return res; | 
 |         } | 
 |     } | 
 |     mTriggerReplacedMap.clear(); | 
 |  | 
 |     /** | 
 |      * Remove all new entries. | 
 |      */ | 
 |     for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { | 
 |         RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); | 
 |         status_t res = metadata.erase(trigger.metadataTag); | 
 |  | 
 |         if (res != OK) { | 
 |             ALOGE("%s: Failed to erase metadata with trigger tag %s" | 
 |                   ", trigger value %d", __FUNCTION__, | 
 |                   trigger.getTagName(), trigger.entryValue); | 
 |             return res; | 
 |         } | 
 |     } | 
 |     mTriggerRemovedMap.clear(); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::addFakeTriggerIds( | 
 |         const sp<CaptureRequest> &request) { | 
 |     // Trigger ID 0 had special meaning in the HAL2 spec, so avoid it here | 
 |     static const int32_t fakeTriggerId = 1; | 
 |     status_t res; | 
 |  | 
 |     CameraMetadata &metadata = request->mSettingsList.begin()->metadata; | 
 |  | 
 |     // If AF trigger is active, insert a fake AF trigger ID if none already | 
 |     // exists | 
 |     camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); | 
 |     camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); | 
 |     if (afTrigger.count > 0 && | 
 |             afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && | 
 |             afId.count == 0) { | 
 |         res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &fakeTriggerId, 1); | 
 |         if (res != OK) return res; | 
 |     } | 
 |  | 
 |     // If AE precapture trigger is active, insert a fake precapture trigger ID | 
 |     // if none already exists | 
 |     camera_metadata_entry pcTrigger = | 
 |             metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); | 
 |     camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); | 
 |     if (pcTrigger.count > 0 && | 
 |             pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && | 
 |             pcId.count == 0) { | 
 |         res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, | 
 |                 &fakeTriggerId, 1); | 
 |         if (res != OK) return res; | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::overrideAutoRotateAndCrop( | 
 |         const sp<CaptureRequest> &request) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (request->mRotateAndCropAuto) { | 
 |         Mutex::Autolock l(mTriggerMutex); | 
 |         CameraMetadata &metadata = request->mSettingsList.begin()->metadata; | 
 |  | 
 |         auto rotateAndCropEntry = metadata.find(ANDROID_SCALER_ROTATE_AND_CROP); | 
 |         if (rotateAndCropEntry.count > 0) { | 
 |             if (rotateAndCropEntry.data.u8[0] == mRotateAndCropOverride) { | 
 |                 return false; | 
 |             } else { | 
 |                 rotateAndCropEntry.data.u8[0] = mRotateAndCropOverride; | 
 |                 return true; | 
 |             } | 
 |         } else { | 
 |             uint8_t rotateAndCrop_u8 = mRotateAndCropOverride; | 
 |             metadata.update(ANDROID_SCALER_ROTATE_AND_CROP, | 
 |                     &rotateAndCrop_u8, 1); | 
 |             return true; | 
 |         } | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestThread::overrideTestPattern( | 
 |         const sp<CaptureRequest> &request) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (!mSupportCameraMute) return false; | 
 |  | 
 |     Mutex::Autolock l(mTriggerMutex); | 
 |  | 
 |     bool changed = false; | 
 |  | 
 |     // For a multi-camera, the physical cameras support the same set of | 
 |     // test pattern modes as the logical camera. | 
 |     for (auto& settings : request->mSettingsList) { | 
 |         CameraMetadata &metadata = settings.metadata; | 
 |  | 
 |         int32_t testPatternMode = settings.mOriginalTestPatternMode; | 
 |         int32_t testPatternData[4] = { | 
 |             settings.mOriginalTestPatternData[0], | 
 |             settings.mOriginalTestPatternData[1], | 
 |             settings.mOriginalTestPatternData[2], | 
 |             settings.mOriginalTestPatternData[3] | 
 |         }; | 
 |         if (mCameraMute != ANDROID_SENSOR_TEST_PATTERN_MODE_OFF) { | 
 |             testPatternMode = mCameraMute; | 
 |             testPatternData[0] = 0; | 
 |             testPatternData[1] = 0; | 
 |             testPatternData[2] = 0; | 
 |             testPatternData[3] = 0; | 
 |         } | 
 |  | 
 |         auto testPatternEntry = metadata.find(ANDROID_SENSOR_TEST_PATTERN_MODE); | 
 |         bool supportTestPatternModeKey = settings.mHasTestPatternModeTag; | 
 |         if (testPatternEntry.count > 0) { | 
 |             if (testPatternEntry.data.i32[0] != testPatternMode) { | 
 |                 testPatternEntry.data.i32[0] = testPatternMode; | 
 |                 changed = true; | 
 |             } | 
 |         } else if (supportTestPatternModeKey) { | 
 |             metadata.update(ANDROID_SENSOR_TEST_PATTERN_MODE, | 
 |                     &testPatternMode, 1); | 
 |             changed = true; | 
 |         } | 
 |  | 
 |         auto testPatternColor = metadata.find(ANDROID_SENSOR_TEST_PATTERN_DATA); | 
 |         bool supportTestPatternDataKey = settings.mHasTestPatternDataTag; | 
 |         if (testPatternColor.count >= 4) { | 
 |             for (size_t i = 0; i < 4; i++) { | 
 |                 if (testPatternColor.data.i32[i] != testPatternData[i]) { | 
 |                     testPatternColor.data.i32[i] = testPatternData[i]; | 
 |                     changed = true; | 
 |                 } | 
 |             } | 
 |         } else if (supportTestPatternDataKey) { | 
 |             metadata.update(ANDROID_SENSOR_TEST_PATTERN_DATA, | 
 |                     testPatternData, 4); | 
 |             changed = true; | 
 |         } | 
 |     } | 
 |  | 
 |     return changed; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestThread::setHalInterface( | 
 |         sp<HalInterface> newHalInterface) { | 
 |     if (newHalInterface.get() == nullptr) { | 
 |         ALOGE("%s: The newHalInterface does not exist!", __FUNCTION__); | 
 |         return DEAD_OBJECT; | 
 |     } | 
 |  | 
 |     mInterface = newHalInterface; | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | /** | 
 |  * PreparerThread inner class methods | 
 |  */ | 
 |  | 
 | Camera3Device::PreparerThread::PreparerThread() : | 
 |         Thread(/*canCallJava*/false), mListener(nullptr), | 
 |         mActive(false), mCancelNow(false), mCurrentMaxCount(0), mCurrentPrepareComplete(false) { | 
 | } | 
 |  | 
 | Camera3Device::PreparerThread::~PreparerThread() { | 
 |     Thread::requestExitAndWait(); | 
 |     if (mCurrentStream != nullptr) { | 
 |         mCurrentStream->cancelPrepare(); | 
 |         ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId()); | 
 |         mCurrentStream.clear(); | 
 |     } | 
 |     clear(); | 
 | } | 
 |  | 
 | status_t Camera3Device::PreparerThread::prepare(int maxCount, sp<Camera3StreamInterface>& stream) { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |  | 
 |     Mutex::Autolock l(mLock); | 
 |     sp<NotificationListener> listener = mListener.promote(); | 
 |  | 
 |     res = stream->startPrepare(maxCount, true /*blockRequest*/); | 
 |     if (res == OK) { | 
 |         // No preparation needed, fire listener right off | 
 |         ALOGV("%s: Stream %d already prepared", __FUNCTION__, stream->getId()); | 
 |         if (listener != NULL) { | 
 |             listener->notifyPrepared(stream->getId()); | 
 |         } | 
 |         return OK; | 
 |     } else if (res != NOT_ENOUGH_DATA) { | 
 |         return res; | 
 |     } | 
 |  | 
 |     // Need to prepare, start up thread if necessary | 
 |     if (!mActive) { | 
 |         // mRunning will change to false before the thread fully shuts down, so wait to be sure it | 
 |         // isn't running | 
 |         Thread::requestExitAndWait(); | 
 |         res = Thread::run("C3PrepThread", PRIORITY_BACKGROUND); | 
 |         if (res != OK) { | 
 |             ALOGE("%s: Unable to start preparer stream: %d (%s)", __FUNCTION__, res, strerror(-res)); | 
 |             if (listener != NULL) { | 
 |                 listener->notifyPrepared(stream->getId()); | 
 |             } | 
 |             return res; | 
 |         } | 
 |         mCancelNow = false; | 
 |         mActive = true; | 
 |         ALOGV("%s: Preparer stream started", __FUNCTION__); | 
 |     } | 
 |  | 
 |     // queue up the work | 
 |     mPendingStreams.emplace(maxCount, stream); | 
 |     ALOGV("%s: Stream %d queued for preparing", __FUNCTION__, stream->getId()); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | void Camera3Device::PreparerThread::pause() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     std::unordered_map<int, sp<camera3::Camera3StreamInterface> > pendingStreams; | 
 |     pendingStreams.insert(mPendingStreams.begin(), mPendingStreams.end()); | 
 |     sp<camera3::Camera3StreamInterface> currentStream = mCurrentStream; | 
 |     int currentMaxCount = mCurrentMaxCount; | 
 |     mPendingStreams.clear(); | 
 |     mCancelNow = true; | 
 |     while (mActive) { | 
 |         auto res = mThreadActiveSignal.waitRelative(mLock, kActiveTimeout); | 
 |         if (res == TIMED_OUT) { | 
 |             ALOGE("%s: Timed out waiting on prepare thread!", __FUNCTION__); | 
 |             return; | 
 |         } else if (res != OK) { | 
 |             ALOGE("%s: Encountered an error: %d waiting on prepare thread!", __FUNCTION__, res); | 
 |             return; | 
 |         } | 
 |     } | 
 |  | 
 |     //Check whether the prepare thread was able to complete the current | 
 |     //stream. In case work is still pending emplace it along with the rest | 
 |     //of the streams in the pending list. | 
 |     if (currentStream != nullptr) { | 
 |         if (!mCurrentPrepareComplete) { | 
 |             pendingStreams.emplace(currentMaxCount, currentStream); | 
 |         } | 
 |     } | 
 |  | 
 |     mPendingStreams.insert(pendingStreams.begin(), pendingStreams.end()); | 
 |     for (const auto& it : mPendingStreams) { | 
 |         it.second->cancelPrepare(); | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::PreparerThread::resume() { | 
 |     ATRACE_CALL(); | 
 |     status_t res; | 
 |  | 
 |     Mutex::Autolock l(mLock); | 
 |     sp<NotificationListener> listener = mListener.promote(); | 
 |  | 
 |     if (mActive) { | 
 |         ALOGE("%s: Trying to resume an already active prepare thread!", __FUNCTION__); | 
 |         return NO_INIT; | 
 |     } | 
 |  | 
 |     auto it = mPendingStreams.begin(); | 
 |     for (; it != mPendingStreams.end();) { | 
 |         res = it->second->startPrepare(it->first, true /*blockRequest*/); | 
 |         if (res == OK) { | 
 |             if (listener != NULL) { | 
 |                 listener->notifyPrepared(it->second->getId()); | 
 |             } | 
 |             it = mPendingStreams.erase(it); | 
 |         } else if (res != NOT_ENOUGH_DATA) { | 
 |             ALOGE("%s: Unable to start preparer stream: %d (%s)", __FUNCTION__, | 
 |                     res, strerror(-res)); | 
 |             it = mPendingStreams.erase(it); | 
 |         } else { | 
 |             it++; | 
 |         } | 
 |     } | 
 |  | 
 |     if (mPendingStreams.empty()) { | 
 |         return OK; | 
 |     } | 
 |  | 
 |     res = Thread::run("C3PrepThread", PRIORITY_BACKGROUND); | 
 |     if (res != OK) { | 
 |         ALOGE("%s: Unable to start preparer stream: %d (%s)", | 
 |                 __FUNCTION__, res, strerror(-res)); | 
 |         return res; | 
 |     } | 
 |     mCancelNow = false; | 
 |     mActive = true; | 
 |     ALOGV("%s: Preparer stream started", __FUNCTION__); | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::PreparerThread::clear() { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     for (const auto& it : mPendingStreams) { | 
 |         it.second->cancelPrepare(); | 
 |     } | 
 |     mPendingStreams.clear(); | 
 |     mCancelNow = true; | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | void Camera3Device::PreparerThread::setNotificationListener(wp<NotificationListener> listener) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock l(mLock); | 
 |     mListener = listener; | 
 | } | 
 |  | 
 | bool Camera3Device::PreparerThread::threadLoop() { | 
 |     status_t res; | 
 |     { | 
 |         Mutex::Autolock l(mLock); | 
 |         if (mCurrentStream == nullptr) { | 
 |             // End thread if done with work | 
 |             if (mPendingStreams.empty()) { | 
 |                 ALOGV("%s: Preparer stream out of work", __FUNCTION__); | 
 |                 // threadLoop _must not_ re-acquire mLock after it sets mActive to false; would | 
 |                 // cause deadlock with prepare()'s requestExitAndWait triggered by !mActive. | 
 |                 mActive = false; | 
 |                 mThreadActiveSignal.signal(); | 
 |                 return false; | 
 |             } | 
 |  | 
 |             // Get next stream to prepare | 
 |             auto it = mPendingStreams.begin(); | 
 |             mCurrentStream = it->second; | 
 |             mCurrentMaxCount = it->first; | 
 |             mCurrentPrepareComplete = false; | 
 |             mPendingStreams.erase(it); | 
 |             ATRACE_ASYNC_BEGIN("stream prepare", mCurrentStream->getId()); | 
 |             ALOGV("%s: Preparing stream %d", __FUNCTION__, mCurrentStream->getId()); | 
 |         } else if (mCancelNow) { | 
 |             mCurrentStream->cancelPrepare(); | 
 |             ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId()); | 
 |             ALOGV("%s: Cancelling stream %d prepare", __FUNCTION__, mCurrentStream->getId()); | 
 |             mCurrentStream.clear(); | 
 |             mCancelNow = false; | 
 |             return true; | 
 |         } | 
 |     } | 
 |  | 
 |     res = mCurrentStream->prepareNextBuffer(); | 
 |     if (res == NOT_ENOUGH_DATA) return true; | 
 |     if (res != OK) { | 
 |         // Something bad happened; try to recover by cancelling prepare and | 
 |         // signalling listener anyway | 
 |         ALOGE("%s: Stream %d returned error %d (%s) during prepare", __FUNCTION__, | 
 |                 mCurrentStream->getId(), res, strerror(-res)); | 
 |         mCurrentStream->cancelPrepare(); | 
 |     } | 
 |  | 
 |     // This stream has finished, notify listener | 
 |     Mutex::Autolock l(mLock); | 
 |     sp<NotificationListener> listener = mListener.promote(); | 
 |     if (listener != NULL) { | 
 |         ALOGV("%s: Stream %d prepare done, signaling listener", __FUNCTION__, | 
 |                 mCurrentStream->getId()); | 
 |         listener->notifyPrepared(mCurrentStream->getId()); | 
 |     } | 
 |  | 
 |     ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId()); | 
 |     mCurrentStream.clear(); | 
 |     mCurrentPrepareComplete = true; | 
 |  | 
 |     return true; | 
 | } | 
 |  | 
 | status_t Camera3Device::RequestBufferStateMachine::initialize( | 
 |         sp<camera3::StatusTracker> statusTracker) { | 
 |     if (statusTracker == nullptr) { | 
 |         ALOGE("%s: statusTracker is null", __FUNCTION__); | 
 |         return BAD_VALUE; | 
 |     } | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     mStatusTracker = statusTracker; | 
 |     mRequestBufferStatusId = statusTracker->addComponent("BufferRequestSM"); | 
 |     return OK; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestBufferStateMachine::startRequestBuffer() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     if (mStatus == RB_STATUS_READY || mStatus == RB_STATUS_PENDING_STOP) { | 
 |         mRequestBufferOngoing = true; | 
 |         notifyTrackerLocked(/*active*/true); | 
 |         return true; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::endRequestBuffer() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     if (!mRequestBufferOngoing) { | 
 |         ALOGE("%s called without a successful startRequestBuffer call first!", __FUNCTION__); | 
 |         return; | 
 |     } | 
 |     mRequestBufferOngoing = false; | 
 |     if (mStatus == RB_STATUS_PENDING_STOP) { | 
 |         checkSwitchToStopLocked(); | 
 |     } | 
 |     notifyTrackerLocked(/*active*/false); | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::onStreamsConfigured() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     mSwitchedToOffline = false; | 
 |     mStatus = RB_STATUS_READY; | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::onSubmittingRequest() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     mRequestThreadPaused = false; | 
 |     // inflight map register actually happens in prepareHalRequest now, but it is close enough | 
 |     // approximation. | 
 |     mInflightMapEmpty = false; | 
 |     if (mStatus == RB_STATUS_STOPPED) { | 
 |         mStatus = RB_STATUS_READY; | 
 |     } | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::onRequestThreadPaused() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     mRequestThreadPaused = true; | 
 |     if (mStatus == RB_STATUS_PENDING_STOP) { | 
 |         checkSwitchToStopLocked(); | 
 |     } | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::onInflightMapEmpty() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     mInflightMapEmpty = true; | 
 |     if (mStatus == RB_STATUS_PENDING_STOP) { | 
 |         checkSwitchToStopLocked(); | 
 |     } | 
 |     return; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::onWaitUntilIdle() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     if (!checkSwitchToStopLocked()) { | 
 |         mStatus = RB_STATUS_PENDING_STOP; | 
 |     } | 
 |     return; | 
 | } | 
 |  | 
 | bool Camera3Device::RequestBufferStateMachine::onSwitchToOfflineSuccess() { | 
 |     std::lock_guard<std::mutex> lock(mLock); | 
 |     if (mRequestBufferOngoing) { | 
 |         ALOGE("%s: HAL must not be requesting buffer after HAL returns switchToOffline!", | 
 |                 __FUNCTION__); | 
 |         return false; | 
 |     } | 
 |     mSwitchedToOffline = true; | 
 |     mInflightMapEmpty = true; | 
 |     mRequestThreadPaused = true; | 
 |     mStatus = RB_STATUS_STOPPED; | 
 |     return true; | 
 | } | 
 |  | 
 | void Camera3Device::RequestBufferStateMachine::notifyTrackerLocked(bool active) { | 
 |     sp<StatusTracker> statusTracker = mStatusTracker.promote(); | 
 |     if (statusTracker != nullptr) { | 
 |         if (active) { | 
 |             statusTracker->markComponentActive(mRequestBufferStatusId); | 
 |         } else { | 
 |             statusTracker->markComponentIdle(mRequestBufferStatusId, Fence::NO_FENCE); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | bool Camera3Device::RequestBufferStateMachine::checkSwitchToStopLocked() { | 
 |     if (mInflightMapEmpty && mRequestThreadPaused && !mRequestBufferOngoing) { | 
 |         mStatus = RB_STATUS_STOPPED; | 
 |         return true; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | bool Camera3Device::startRequestBuffer() { | 
 |     return mRequestBufferSM.startRequestBuffer(); | 
 | } | 
 |  | 
 | void Camera3Device::endRequestBuffer() { | 
 |     mRequestBufferSM.endRequestBuffer(); | 
 | } | 
 |  | 
 | nsecs_t Camera3Device::getWaitDuration() { | 
 |     return kBaseGetBufferWait + getExpectedInFlightDuration(); | 
 | } | 
 |  | 
 | void Camera3Device::getInflightBufferKeys(std::vector<std::pair<int32_t, int32_t>>* out) { | 
 |     mInterface->getInflightBufferKeys(out); | 
 | } | 
 |  | 
 | void Camera3Device::getInflightRequestBufferKeys(std::vector<uint64_t>* out) { | 
 |     mInterface->getInflightRequestBufferKeys(out); | 
 | } | 
 |  | 
 | std::vector<sp<Camera3StreamInterface>> Camera3Device::getAllStreams() { | 
 |     std::vector<sp<Camera3StreamInterface>> ret; | 
 |     bool hasInputStream = mInputStream != nullptr; | 
 |     ret.reserve(mOutputStreams.size() + mDeletedStreams.size() + ((hasInputStream) ? 1 : 0)); | 
 |     if (hasInputStream) { | 
 |         ret.push_back(mInputStream); | 
 |     } | 
 |     for (size_t i = 0; i < mOutputStreams.size(); i++) { | 
 |         ret.push_back(mOutputStreams[i]); | 
 |     } | 
 |     for (size_t i = 0; i < mDeletedStreams.size(); i++) { | 
 |         ret.push_back(mDeletedStreams[i]); | 
 |     } | 
 |     return ret; | 
 | } | 
 |  | 
 | void Camera3Device::getOfflineStreamIds(std::vector<int> *offlineStreamIds) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     if (offlineStreamIds == nullptr) { | 
 |         return; | 
 |     } | 
 |  | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |  | 
 |     auto streamIds = mOutputStreams.getStreamIds(); | 
 |     bool hasInputStream = mInputStream != nullptr; | 
 |     if (hasInputStream && mInputStream->getOfflineProcessingSupport()) { | 
 |         offlineStreamIds->push_back(mInputStream->getId()); | 
 |     } | 
 |  | 
 |     for (const auto & streamId : streamIds) { | 
 |         sp<camera3::Camera3OutputStreamInterface> stream = mOutputStreams.get(streamId); | 
 |         // Streams that use the camera buffer manager are currently not supported in | 
 |         // offline mode | 
 |         if (stream->getOfflineProcessingSupport() && | 
 |                 (stream->getStreamSetId() == CAMERA3_STREAM_SET_ID_INVALID)) { | 
 |             offlineStreamIds->push_back(streamId); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | status_t Camera3Device::setRotateAndCropAutoBehavior( | 
 |     camera_metadata_enum_android_scaler_rotate_and_crop_t rotateAndCropValue) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |     if (mRequestThread == nullptr) { | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |     return mRequestThread->setRotateAndCropAutoBehavior(rotateAndCropValue); | 
 | } | 
 |  | 
 | bool Camera3Device::supportsCameraMute() { | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     return mSupportCameraMute; | 
 | } | 
 |  | 
 | status_t Camera3Device::setCameraMute(bool enabled) { | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     if (mRequestThread == nullptr || !mSupportCameraMute) { | 
 |         return INVALID_OPERATION; | 
 |     } | 
 |     int32_t muteMode = | 
 |             !enabled                      ? ANDROID_SENSOR_TEST_PATTERN_MODE_OFF : | 
 |             mSupportTestPatternSolidColor ? ANDROID_SENSOR_TEST_PATTERN_MODE_SOLID_COLOR : | 
 |                                             ANDROID_SENSOR_TEST_PATTERN_MODE_BLACK; | 
 |     return mRequestThread->setCameraMute(muteMode); | 
 | } | 
 |  | 
 | status_t Camera3Device::injectCamera(const String8& injectedCamId, | 
 |                                      sp<CameraProviderManager> manager) { | 
 |     ALOGI("%s Injection camera: injectedCamId = %s", __FUNCTION__, injectedCamId.string()); | 
 |     ATRACE_CALL(); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     // When the camera device is active, injectCamera() and stopInjection() will call | 
 |     // internalPauseAndWaitLocked() and internalResumeLocked(), and then they will call | 
 |     // mStatusChanged.waitRelative(mLock, timeout) of waitUntilStateThenRelock(). But | 
 |     // mStatusChanged.waitRelative(mLock, timeout)'s parameter: mutex "mLock" must be in the locked | 
 |     // state, so we need to add "Mutex::Autolock l(mLock)" to lock the "mLock" before calling | 
 |     // waitUntilStateThenRelock(). | 
 |     Mutex::Autolock l(mLock); | 
 |  | 
 |     status_t res = NO_ERROR; | 
 |     if (mInjectionMethods->isInjecting()) { | 
 |         if (injectedCamId == mInjectionMethods->getInjectedCamId()) { | 
 |             return OK; | 
 |         } else { | 
 |             res = mInjectionMethods->stopInjection(); | 
 |             if (res != OK) { | 
 |                 ALOGE("%s: Failed to stop the injection camera! ret != NO_ERROR: %d", | 
 |                         __FUNCTION__, res); | 
 |                 return res; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     res = injectionCameraInitialize(injectedCamId, manager); | 
 |     if (res != OK) { | 
 |         ALOGE("%s: Failed to initialize the injection camera! ret != NO_ERROR: %d", | 
 |                 __FUNCTION__, res); | 
 |         return res; | 
 |     } | 
 |  | 
 |     // When the second display of android is cast to the remote device, and the opened camera is | 
 |     // also cast to the second display, in this case, because the camera has configured the streams | 
 |     // at this time, we can directly call injectCamera() to replace the internal camera with | 
 |     // injection camera. | 
 |     if (mInjectionMethods->isStreamConfigCompleteButNotInjected()) { | 
 |         ALOGD("%s: The opened camera is directly cast to the remote device.", __FUNCTION__); | 
 |  | 
 |         camera3::camera_stream_configuration injectionConfig; | 
 |         std::vector<uint32_t> injectionBufferSizes; | 
 |         mInjectionMethods->getInjectionConfig(&injectionConfig, &injectionBufferSizes); | 
 |         if (mOperatingMode < 0 || injectionConfig.num_streams <= 0 | 
 |                     || injectionBufferSizes.size() <= 0) { | 
 |             ALOGE("Failed to inject camera due to abandoned configuration! " | 
 |                     "mOperatingMode: %d injectionConfig.num_streams: %d " | 
 |                     "injectionBufferSizes.size(): %zu", mOperatingMode, | 
 |                     injectionConfig.num_streams, injectionBufferSizes.size()); | 
 |             return DEAD_OBJECT; | 
 |         } | 
 |  | 
 |         res = mInjectionMethods->injectCamera( | 
 |                 injectionConfig, injectionBufferSizes); | 
 |         if (res != OK) { | 
 |             ALOGE("Can't finish inject camera process!"); | 
 |             return res; | 
 |         } | 
 |     } | 
 |  | 
 |     return OK; | 
 | } | 
 |  | 
 | status_t Camera3Device::stopInjection() { | 
 |     ALOGI("%s: Injection camera: stopInjection", __FUNCTION__); | 
 |     Mutex::Autolock il(mInterfaceLock); | 
 |     Mutex::Autolock l(mLock); | 
 |     return mInjectionMethods->stopInjection(); | 
 | } | 
 |  | 
 | }; // namespace android |