1 /* 2 * Copyright (C) 2013-2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_SERVERS_CAMERA3DEVICE_H 18 #define ANDROID_SERVERS_CAMERA3DEVICE_H 19 20 #include <utility> 21 #include <unordered_map> 22 #include <set> 23 24 #include <utils/Condition.h> 25 #include <utils/Errors.h> 26 #include <utils/List.h> 27 #include <utils/Mutex.h> 28 #include <utils/Thread.h> 29 #include <utils/KeyedVector.h> 30 #include <utils/Timers.h> 31 32 #include <android/hardware/camera/device/3.2/ICameraDevice.h> 33 #include <android/hardware/camera/device/3.2/ICameraDeviceSession.h> 34 #include <android/hardware/camera/device/3.3/ICameraDeviceSession.h> 35 #include <android/hardware/camera/device/3.4/ICameraDeviceSession.h> 36 #include <android/hardware/camera/device/3.5/ICameraDeviceSession.h> 37 #include <android/hardware/camera/device/3.6/ICameraDeviceSession.h> 38 #include <android/hardware/camera/device/3.7/ICameraDeviceSession.h> 39 #include <android/hardware/camera/device/3.2/ICameraDeviceCallback.h> 40 #include <android/hardware/camera/device/3.4/ICameraDeviceCallback.h> 41 #include <android/hardware/camera/device/3.5/ICameraDeviceCallback.h> 42 #include <fmq/MessageQueue.h> 43 44 #include <camera/CaptureResult.h> 45 46 #include "common/CameraDeviceBase.h" 47 #include "device3/BufferUtils.h" 48 #include "device3/StatusTracker.h" 49 #include "device3/Camera3BufferManager.h" 50 #include "device3/DistortionMapper.h" 51 #include "device3/ZoomRatioMapper.h" 52 #include "device3/RotateAndCropMapper.h" 53 #include "device3/UHRCropAndMeteringRegionMapper.h" 54 #include "device3/InFlightRequest.h" 55 #include "device3/Camera3OutputInterface.h" 56 #include "device3/Camera3OfflineSession.h" 57 #include "device3/Camera3StreamInterface.h" 58 #include "utils/TagMonitor.h" 59 #include "utils/LatencyHistogram.h" 60 #include <camera_metadata_hidden.h> 61 62 using android::camera3::camera_capture_request_t; 63 using android::camera3::camera_jpeg_blob_t; 64 using android::camera3::camera_request_template; 65 using android::camera3::camera_stream_buffer_t; 66 using android::camera3::camera_stream_configuration_t; 67 using android::camera3::camera_stream_configuration_mode_t; 68 using android::camera3::CAMERA_TEMPLATE_COUNT; 69 using android::camera3::OutputStreamInfo; 70 71 namespace android { 72 73 namespace camera3 { 74 75 class Camera3Stream; 76 class Camera3ZslStream; 77 class Camera3StreamInterface; 78 79 } // namespace camera3 80 81 /** 82 * CameraDevice for HAL devices with version CAMERA_DEVICE_API_VERSION_3_0 or higher. 83 */ 84 class Camera3Device : 85 public CameraDeviceBase, 86 virtual public hardware::camera::device::V3_5::ICameraDeviceCallback, 87 public camera3::SetErrorInterface, 88 public camera3::InflightRequestUpdateInterface, 89 public camera3::RequestBufferInterface, 90 public camera3::FlushBufferInterface { 91 public: 92 93 explicit Camera3Device(const String8& id, bool overrideForPerfClass); 94 95 virtual ~Camera3Device(); 96 97 /** 98 * CameraDeviceBase interface 99 */ 100 101 const String8& getId() const override; 102 getVendorTagId()103 metadata_vendor_id_t getVendorTagId() const override { return mVendorTagId; } 104 105 // Transitions to idle state on success. 106 status_t initialize(sp<CameraProviderManager> manager, const String8& monitorTags) override; 107 status_t disconnect() override; 108 status_t dump(int fd, const Vector<String16> &args) override; 109 const CameraMetadata& info() const override; 110 const CameraMetadata& infoPhysical(const String8& physicalId) const override; 111 112 // Capture and setStreamingRequest will configure streams if currently in 113 // idle state 114 status_t capture(CameraMetadata &request, int64_t *lastFrameNumber = NULL) override; 115 status_t captureList(const List<const PhysicalCameraSettingsList> &requestsList, 116 const std::list<const SurfaceMap> &surfaceMaps, 117 int64_t *lastFrameNumber = NULL) override; 118 status_t setStreamingRequest(const CameraMetadata &request, 119 int64_t *lastFrameNumber = NULL) override; 120 status_t setStreamingRequestList(const List<const PhysicalCameraSettingsList> &requestsList, 121 const std::list<const SurfaceMap> &surfaceMaps, 122 int64_t *lastFrameNumber = NULL) override; 123 status_t clearStreamingRequest(int64_t *lastFrameNumber = NULL) override; 124 125 status_t waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) override; 126 127 // Actual stream creation/deletion is delayed until first request is submitted 128 // If adding streams while actively capturing, will pause device before adding 129 // stream, reconfiguring device, and unpausing. If the client create a stream 130 // with nullptr consumer surface, the client must then call setConsumers() 131 // and finish the stream configuration before starting output streaming. 132 status_t createStream(sp<Surface> consumer, 133 uint32_t width, uint32_t height, int format, 134 android_dataspace dataSpace, camera_stream_rotation_t rotation, int *id, 135 const String8& physicalCameraId, 136 const std::unordered_set<int32_t> &sensorPixelModesUsed, 137 std::vector<int> *surfaceIds = nullptr, 138 int streamSetId = camera3::CAMERA3_STREAM_SET_ID_INVALID, 139 bool isShared = false, bool isMultiResolution = false, 140 uint64_t consumerUsage = 0) override; 141 142 status_t createStream(const std::vector<sp<Surface>>& consumers, 143 bool hasDeferredConsumer, uint32_t width, uint32_t height, int format, 144 android_dataspace dataSpace, camera_stream_rotation_t rotation, int *id, 145 const String8& physicalCameraId, 146 const std::unordered_set<int32_t> &sensorPixelModesUsed, 147 std::vector<int> *surfaceIds = nullptr, 148 int streamSetId = camera3::CAMERA3_STREAM_SET_ID_INVALID, 149 bool isShared = false, bool isMultiResolution = false, 150 uint64_t consumerUsage = 0) override; 151 152 status_t createInputStream( 153 uint32_t width, uint32_t height, int format, bool isMultiResolution, 154 int *id) override; 155 156 status_t getStreamInfo(int id, StreamInfo *streamInfo) override; 157 status_t setStreamTransform(int id, int transform) override; 158 159 status_t deleteStream(int id) override; 160 161 status_t configureStreams(const CameraMetadata& sessionParams, 162 int operatingMode = 163 camera_stream_configuration_mode_t::CAMERA_STREAM_CONFIGURATION_NORMAL_MODE) override; 164 status_t getInputBufferProducer( 165 sp<IGraphicBufferProducer> *producer) override; 166 167 void getOfflineStreamIds(std::vector<int> *offlineStreamIds) override; 168 169 status_t createDefaultRequest(camera_request_template_t templateId, 170 CameraMetadata *request) override; 171 172 // Transitions to the idle state on success 173 status_t waitUntilDrained() override; 174 175 status_t setNotifyCallback(wp<NotificationListener> listener) override; 176 bool willNotify3A() override; 177 status_t waitForNextFrame(nsecs_t timeout) override; 178 status_t getNextResult(CaptureResult *frame) override; 179 180 status_t triggerAutofocus(uint32_t id) override; 181 status_t triggerCancelAutofocus(uint32_t id) override; 182 status_t triggerPrecaptureMetering(uint32_t id) override; 183 184 status_t flush(int64_t *lastFrameNumber = NULL) override; 185 186 status_t prepare(int streamId) override; 187 188 status_t tearDown(int streamId) override; 189 190 status_t addBufferListenerForStream(int streamId, 191 wp<camera3::Camera3StreamBufferListener> listener) override; 192 193 status_t prepare(int maxCount, int streamId) override; 194 195 ssize_t getJpegBufferSize(uint32_t width, uint32_t height) const override; 196 ssize_t getPointCloudBufferSize() const; 197 ssize_t getRawOpaqueBufferSize(int32_t width, int32_t height, bool maxResolution) const; 198 199 // Methods called by subclasses 200 void notifyStatus(bool idle); // updates from StatusTracker 201 202 /** 203 * Set the deferred consumer surfaces to the output stream and finish the deferred 204 * consumer configuration. 205 */ 206 status_t setConsumerSurfaces( 207 int streamId, const std::vector<sp<Surface>>& consumers, 208 std::vector<int> *surfaceIds /*out*/) override; 209 210 /** 211 * Update a given stream. 212 */ 213 status_t updateStream(int streamId, const std::vector<sp<Surface>> &newSurfaces, 214 const std::vector<OutputStreamInfo> &outputInfo, 215 const std::vector<size_t> &removedSurfaceIds, 216 KeyedVector<sp<Surface>, size_t> *outputMap/*out*/); 217 218 /** 219 * Drop buffers for stream of streamId if dropping is true. If dropping is false, do not 220 * drop buffers for stream of streamId. 221 */ 222 status_t dropStreamBuffers(bool dropping, int streamId) override; 223 224 nsecs_t getExpectedInFlightDuration() override; 225 226 status_t switchToOffline(const std::vector<int32_t>& streamsToKeep, 227 /*out*/ sp<CameraOfflineSessionBase>* session) override; 228 229 // RequestBufferInterface 230 bool startRequestBuffer() override; 231 void endRequestBuffer() override; 232 nsecs_t getWaitDuration() override; 233 234 // FlushBufferInterface 235 void getInflightBufferKeys(std::vector<std::pair<int32_t, int32_t>>* out) override; 236 void getInflightRequestBufferKeys(std::vector<uint64_t>* out) override; 237 std::vector<sp<camera3::Camera3StreamInterface>> getAllStreams() override; 238 239 /** 240 * Set the current behavior for the ROTATE_AND_CROP control when in AUTO. 241 * 242 * The value must be one of the ROTATE_AND_CROP_* values besides AUTO, 243 * and defaults to NONE. 244 */ 245 status_t setRotateAndCropAutoBehavior( 246 camera_metadata_enum_android_scaler_rotate_and_crop_t rotateAndCropValue); 247 248 /** 249 * Whether camera muting (producing black-only output) is supported. 250 * 251 * Calling setCameraMute(true) when this returns false will return an 252 * INVALID_OPERATION error. 253 */ 254 bool supportsCameraMute(); 255 256 /** 257 * Mute the camera. 258 * 259 * When muted, black image data is output on all output streams. 260 */ 261 status_t setCameraMute(bool enabled); 262 263 // Get the status trackeer for the camera device getStatusTracker()264 wp<camera3::StatusTracker> getStatusTracker() { return mStatusTracker; } 265 266 /** 267 * The injection camera session to replace the internal camera 268 * session. 269 */ 270 status_t injectCamera(const String8& injectedCamId, 271 sp<CameraProviderManager> manager); 272 273 /** 274 * Stop the injection camera and restore to internal camera session. 275 */ 276 status_t stopInjection(); 277 278 /** 279 * Helper functions to map between framework and HIDL values 280 */ 281 static hardware::graphics::common::V1_0::PixelFormat mapToPixelFormat(int frameworkFormat); 282 static hardware::camera::device::V3_2::DataspaceFlags mapToHidlDataspace( 283 android_dataspace dataSpace); 284 static hardware::camera::device::V3_2::BufferUsageFlags mapToConsumerUsage(uint64_t usage); 285 static hardware::camera::device::V3_2::StreamRotation mapToStreamRotation( 286 camera_stream_rotation_t rotation); 287 // Returns a negative error code if the passed-in operation mode is not valid. 288 static status_t mapToStreamConfigurationMode(camera_stream_configuration_mode_t operationMode, 289 /*out*/ hardware::camera::device::V3_2::StreamConfigurationMode *mode); 290 static int mapToFrameworkFormat(hardware::graphics::common::V1_0::PixelFormat pixelFormat); 291 static android_dataspace mapToFrameworkDataspace( 292 hardware::camera::device::V3_2::DataspaceFlags); 293 static uint64_t mapConsumerToFrameworkUsage( 294 hardware::camera::device::V3_2::BufferUsageFlags usage); 295 static uint64_t mapProducerToFrameworkUsage( 296 hardware::camera::device::V3_2::BufferUsageFlags usage); 297 298 private: 299 status_t disconnectImpl(); 300 301 // internal typedefs 302 using RequestMetadataQueue = hardware::MessageQueue<uint8_t, hardware::kSynchronizedReadWrite>; 303 304 static const size_t kDumpLockAttempts = 10; 305 static const size_t kDumpSleepDuration = 100000; // 0.10 sec 306 static const nsecs_t kActiveTimeout = 500000000; // 500 ms 307 static const nsecs_t kMinWarnInflightDuration = 5000000000; // 5 s 308 static const size_t kInFlightWarnLimit = 30; 309 static const size_t kInFlightWarnLimitHighSpeed = 256; // batch size 32 * pipe depth 8 310 static const nsecs_t kDefaultExpectedDuration = 100000000; // 100 ms 311 static const nsecs_t kMinInflightDuration = 5000000000; // 5 s 312 static const nsecs_t kBaseGetBufferWait = 3000000000; // 3 sec. 313 // SCHED_FIFO priority for request submission thread in HFR mode 314 static const int kRequestThreadPriority = 1; 315 316 struct RequestTrigger; 317 // minimal jpeg buffer size: 256KB + blob header 318 static const ssize_t kMinJpegBufferSize = 256 * 1024 + sizeof(camera_jpeg_blob_t); 319 // Constant to use for stream ID when one doesn't exist 320 static const int NO_STREAM = -1; 321 322 // A lock to enforce serialization on the input/configure side 323 // of the public interface. 324 // Not locked by methods guarded by mOutputLock, since they may act 325 // concurrently to the input/configure side of the interface. 326 // Must be locked before mLock if both will be locked by a method 327 Mutex mInterfaceLock; 328 329 // The main lock on internal state 330 Mutex mLock; 331 332 // Camera device ID 333 const String8 mId; 334 335 // Current stream configuration mode; 336 int mOperatingMode; 337 // Current session wide parameters 338 hardware::camera2::impl::CameraMetadataNative mSessionParams; 339 340 // Constant to use for no set operating mode 341 static const int NO_MODE = -1; 342 343 // Flag indicating is the current active stream configuration is constrained high speed. 344 bool mIsConstrainedHighSpeedConfiguration; 345 346 // FMQ to write result on. Must be guarded by mProcessCaptureResultLock. 347 std::unique_ptr<ResultMetadataQueue> mResultMetadataQueue; 348 349 /**** Scope for mLock ****/ 350 351 /** 352 * Adapter for legacy HAL / HIDL HAL interface calls; calls either into legacy HALv3 or the 353 * HIDL HALv3 interfaces. 354 */ 355 class HalInterface : public camera3::Camera3StreamBufferFreedListener, 356 public camera3::BufferRecordsInterface { 357 public: 358 HalInterface(sp<hardware::camera::device::V3_2::ICameraDeviceSession> &session, 359 std::shared_ptr<RequestMetadataQueue> queue, 360 bool useHalBufManager, bool supportOfflineProcessing); 361 HalInterface(const HalInterface &other); 362 HalInterface(); 363 364 // Returns true if constructed with a valid device or session, and not yet cleared 365 bool valid(); 366 367 // Reset this HalInterface object (does not call close()) 368 void clear(); 369 370 // Calls into the HAL interface 371 372 // Caller takes ownership of requestTemplate 373 status_t constructDefaultRequestSettings(camera_request_template templateId, 374 /*out*/ camera_metadata_t **requestTemplate); 375 status_t configureStreams(const camera_metadata_t *sessionParams, 376 /*inout*/ camera_stream_configuration_t *config, 377 const std::vector<uint32_t>& bufferSizes); 378 379 // The injection camera configures the streams to hal. 380 status_t configureInjectedStreams( 381 const camera_metadata_t* sessionParams, 382 /*inout*/ camera_stream_configuration_t* config, 383 const std::vector<uint32_t>& bufferSizes, 384 const CameraMetadata& cameraCharacteristics); 385 386 // When the call succeeds, the ownership of acquire fences in requests is transferred to 387 // HalInterface. More specifically, the current implementation will send the fence to 388 // HAL process and close the FD in cameraserver process. When the call fails, the ownership 389 // of the acquire fence still belongs to the caller. 390 status_t processBatchCaptureRequests( 391 std::vector<camera_capture_request_t*>& requests, 392 /*out*/uint32_t* numRequestProcessed); 393 status_t flush(); 394 status_t dump(int fd); 395 status_t close(); 396 397 void signalPipelineDrain(const std::vector<int>& streamIds); 398 bool isReconfigurationRequired(CameraMetadata& oldSessionParams, 399 CameraMetadata& newSessionParams); 400 401 // Upon successful return, HalInterface will return buffer maps needed for offline 402 // processing, and clear all its internal buffer maps. 403 status_t switchToOffline( 404 const std::vector<int32_t>& streamsToKeep, 405 /*out*/hardware::camera::device::V3_6::CameraOfflineSessionInfo* offlineSessionInfo, 406 /*out*/sp<hardware::camera::device::V3_6::ICameraOfflineSession>* offlineSession, 407 /*out*/camera3::BufferRecords* bufferRecords); 408 409 ///////////////////////////////////////////////////////////////////// 410 // Implements BufferRecordsInterface 411 412 std::pair<bool, uint64_t> getBufferId( 413 const buffer_handle_t& buf, int streamId) override; 414 415 status_t popInflightBuffer(int32_t frameNumber, int32_t streamId, 416 /*out*/ buffer_handle_t **buffer) override; 417 418 status_t pushInflightRequestBuffer( 419 uint64_t bufferId, buffer_handle_t* buf, int32_t streamId) override; 420 421 status_t popInflightRequestBuffer(uint64_t bufferId, 422 /*out*/ buffer_handle_t** buffer, 423 /*optional out*/ int32_t* streamId = nullptr) override; 424 425 ///////////////////////////////////////////////////////////////////// 426 427 // Get a vector of (frameNumber, streamId) pair of currently inflight 428 // buffers 429 void getInflightBufferKeys(std::vector<std::pair<int32_t, int32_t>>* out); 430 431 // Get a vector of bufferId of currently inflight buffers 432 void getInflightRequestBufferKeys(std::vector<uint64_t>* out); 433 434 void onStreamReConfigured(int streamId); 435 436 private: 437 // Always valid 438 sp<hardware::camera::device::V3_2::ICameraDeviceSession> mHidlSession; 439 // Valid if ICameraDeviceSession is @3.3 or newer 440 sp<hardware::camera::device::V3_3::ICameraDeviceSession> mHidlSession_3_3; 441 // Valid if ICameraDeviceSession is @3.4 or newer 442 sp<hardware::camera::device::V3_4::ICameraDeviceSession> mHidlSession_3_4; 443 // Valid if ICameraDeviceSession is @3.5 or newer 444 sp<hardware::camera::device::V3_5::ICameraDeviceSession> mHidlSession_3_5; 445 // Valid if ICameraDeviceSession is @3.6 or newer 446 sp<hardware::camera::device::V3_6::ICameraDeviceSession> mHidlSession_3_6; 447 // Valid if ICameraDeviceSession is @3.7 or newer 448 sp<hardware::camera::device::V3_7::ICameraDeviceSession> mHidlSession_3_7; 449 450 std::shared_ptr<RequestMetadataQueue> mRequestMetadataQueue; 451 452 // The output HIDL request still depends on input camera_capture_request_t 453 // Do not free input camera_capture_request_t before output HIDL request 454 status_t wrapAsHidlRequest(camera_capture_request_t* in, 455 /*out*/hardware::camera::device::V3_2::CaptureRequest* out, 456 /*out*/std::vector<native_handle_t*>* handlesCreated, 457 /*out*/std::vector<std::pair<int32_t, int32_t>>* inflightBuffers); 458 459 status_t pushInflightBufferLocked(int32_t frameNumber, int32_t streamId, 460 buffer_handle_t *buffer); 461 462 // Pop inflight buffers based on pairs of (frameNumber,streamId) 463 void popInflightBuffers(const std::vector<std::pair<int32_t, int32_t>>& buffers); 464 465 // Return true if the input caches match what we have; otherwise false 466 bool verifyBufferIds(int32_t streamId, std::vector<uint64_t>& inBufIds); 467 468 // Delete and optionally close native handles and clear the input vector afterward 469 static void cleanupNativeHandles( 470 std::vector<native_handle_t*> *handles, bool closeFd = false); 471 472 virtual void onBufferFreed(int streamId, const native_handle_t* handle) override; 473 474 std::mutex mFreedBuffersLock; 475 std::vector<std::pair<int, uint64_t>> mFreedBuffers; 476 477 // Keep track of buffer cache and inflight buffer records 478 camera3::BufferRecords mBufferRecords; 479 480 uint32_t mNextStreamConfigCounter = 1; 481 482 const bool mUseHalBufManager; 483 bool mIsReconfigurationQuerySupported; 484 485 const bool mSupportOfflineProcessing; 486 }; 487 488 sp<HalInterface> mInterface; 489 490 CameraMetadata mDeviceInfo; 491 bool mSupportNativeZoomRatio; 492 std::unordered_map<std::string, CameraMetadata> mPhysicalDeviceInfoMap; 493 494 CameraMetadata mRequestTemplateCache[CAMERA_TEMPLATE_COUNT]; 495 496 struct Size { 497 uint32_t width; 498 uint32_t height; widthSize499 explicit Size(uint32_t w = 0, uint32_t h = 0) : width(w), height(h){} 500 }; 501 502 enum Status { 503 STATUS_ERROR, 504 STATUS_UNINITIALIZED, 505 STATUS_UNCONFIGURED, 506 STATUS_CONFIGURED, 507 STATUS_ACTIVE 508 } mStatus; 509 510 // Only clear mRecentStatusUpdates, mStatusWaiters from waitUntilStateThenRelock 511 Vector<Status> mRecentStatusUpdates; 512 int mStatusWaiters; 513 514 Condition mStatusChanged; 515 516 // Tracking cause of fatal errors when in STATUS_ERROR 517 String8 mErrorCause; 518 519 camera3::StreamSet mOutputStreams; 520 sp<camera3::Camera3Stream> mInputStream; 521 bool mIsInputStreamMultiResolution; 522 SessionStatsBuilder mSessionStatsBuilder; 523 // Map from stream group ID to physical cameras backing the stream group 524 std::map<int32_t, std::set<String8>> mGroupIdPhysicalCameraMap; 525 526 int mNextStreamId; 527 bool mNeedConfig; 528 529 int mFakeStreamId; 530 531 // Whether to send state updates upstream 532 // Pause when doing transparent reconfiguration 533 bool mPauseStateNotify; 534 535 // Need to hold on to stream references until configure completes. 536 Vector<sp<camera3::Camera3StreamInterface> > mDeletedStreams; 537 538 // Whether the HAL will send partial result 539 bool mUsePartialResult; 540 541 // Number of partial results that will be delivered by the HAL. 542 uint32_t mNumPartialResults; 543 544 /**** End scope for mLock ****/ 545 546 // The offset converting from clock domain of other subsystem 547 // (video/hardware composer) to that of camera. Assumption is that this 548 // offset won't change during the life cycle of the camera device. In other 549 // words, camera device shouldn't be open during CPU suspend. 550 nsecs_t mTimestampOffset; 551 552 class CaptureRequest : public LightRefBase<CaptureRequest> { 553 public: 554 PhysicalCameraSettingsList mSettingsList; 555 sp<camera3::Camera3Stream> mInputStream; 556 camera_stream_buffer_t mInputBuffer; 557 camera3::Size mInputBufferSize; 558 Vector<sp<camera3::Camera3OutputStreamInterface> > 559 mOutputStreams; 560 SurfaceMap mOutputSurfaces; 561 CaptureResultExtras mResultExtras; 562 // The number of requests that should be submitted to HAL at a time. 563 // For example, if batch size is 8, this request and the following 7 564 // requests will be submitted to HAL at a time. The batch size for 565 // the following 7 requests will be ignored by the request thread. 566 int mBatchSize; 567 // Whether this request is from a repeating or repeating burst. 568 bool mRepeating; 569 // Whether this request has ROTATE_AND_CROP_AUTO set, so needs both 570 // overriding of ROTATE_AND_CROP value and adjustment of coordinates 571 // in several other controls in both the request and the result 572 bool mRotateAndCropAuto; 573 // Original value of TEST_PATTERN_MODE and DATA so that they can be 574 // restored when sensor muting is turned off 575 int32_t mOriginalTestPatternMode; 576 int32_t mOriginalTestPatternData[4]; 577 578 // Whether this capture request has its zoom ratio set to 1.0x before 579 // the framework overrides it for camera HAL consumption. 580 bool mZoomRatioIs1x; 581 // The systemTime timestamp when the request is created. 582 nsecs_t mRequestTimeNs; 583 584 585 // Whether this capture request's distortion correction update has 586 // been done. 587 bool mDistortionCorrectionUpdated = false; 588 // Whether this capture request's rotation and crop update has been 589 // done. 590 bool mRotationAndCropUpdated = false; 591 // Whether this capture request's zoom ratio update has been done. 592 bool mZoomRatioUpdated = false; 593 // Whether this max resolution capture request's crop / metering region update has been 594 // done. 595 bool mUHRCropAndMeteringRegionsUpdated = false; 596 }; 597 typedef List<sp<CaptureRequest> > RequestList; 598 599 status_t checkStatusOkToCaptureLocked(); 600 601 status_t convertMetadataListToRequestListLocked( 602 const List<const PhysicalCameraSettingsList> &metadataList, 603 const std::list<const SurfaceMap> &surfaceMaps, 604 bool repeating, nsecs_t requestTimeNs, 605 /*out*/ 606 RequestList *requestList); 607 608 void convertToRequestList(List<const PhysicalCameraSettingsList>& requestsList, 609 std::list<const SurfaceMap>& surfaceMaps, 610 const CameraMetadata& request); 611 612 status_t submitRequestsHelper(const List<const PhysicalCameraSettingsList> &requestsList, 613 const std::list<const SurfaceMap> &surfaceMaps, 614 bool repeating, 615 int64_t *lastFrameNumber = NULL); 616 617 618 /** 619 * Implementation of android::hardware::camera::device::V3_5::ICameraDeviceCallback 620 */ 621 622 hardware::Return<void> processCaptureResult_3_4( 623 const hardware::hidl_vec< 624 hardware::camera::device::V3_4::CaptureResult>& results) override; 625 hardware::Return<void> processCaptureResult( 626 const hardware::hidl_vec< 627 hardware::camera::device::V3_2::CaptureResult>& results) override; 628 hardware::Return<void> notify( 629 const hardware::hidl_vec< 630 hardware::camera::device::V3_2::NotifyMsg>& msgs) override; 631 632 hardware::Return<void> requestStreamBuffers( 633 const hardware::hidl_vec< 634 hardware::camera::device::V3_5::BufferRequest>& bufReqs, 635 requestStreamBuffers_cb _hidl_cb) override; 636 637 hardware::Return<void> returnStreamBuffers( 638 const hardware::hidl_vec< 639 hardware::camera::device::V3_2::StreamBuffer>& buffers) override; 640 641 // Handle one notify message 642 void notify(const hardware::camera::device::V3_2::NotifyMsg& msg); 643 644 // lock to ensure only one processCaptureResult is called at a time. 645 Mutex mProcessCaptureResultLock; 646 647 /** 648 * Common initialization code shared by both HAL paths 649 * 650 * Must be called with mLock and mInterfaceLock held. 651 */ 652 status_t initializeCommonLocked(); 653 654 /** 655 * Get the last request submitted to the hal by the request thread. 656 * 657 * Must be called with mLock held. 658 */ 659 virtual CameraMetadata getLatestRequestLocked(); 660 661 /** 662 * Update the current device status and wake all waiting threads. 663 * 664 * Must be called with mLock held. 665 */ 666 void internalUpdateStatusLocked(Status status); 667 668 /** 669 * Pause processing and flush everything, but don't tell the clients. 670 * This is for reconfiguring outputs transparently when according to the 671 * CameraDeviceBase interface we shouldn't need to. 672 * Must be called with mLock and mInterfaceLock both held. 673 */ 674 status_t internalPauseAndWaitLocked(nsecs_t maxExpectedDuration); 675 676 /** 677 * Resume work after internalPauseAndWaitLocked() 678 * Must be called with mLock and mInterfaceLock both held. 679 */ 680 status_t internalResumeLocked(); 681 682 /** 683 * Wait until status tracker tells us we've transitioned to the target state 684 * set, which is either ACTIVE when active==true or IDLE (which is any 685 * non-ACTIVE state) when active==false. 686 * 687 * Needs to be called with mLock and mInterfaceLock held. This means there 688 * can ever only be one waiter at most. 689 * 690 * During the wait mLock is released. 691 * 692 */ 693 status_t waitUntilStateThenRelock(bool active, nsecs_t timeout); 694 695 /** 696 * Implementation of waitUntilDrained. On success, will transition to IDLE state. 697 * 698 * Need to be called with mLock and mInterfaceLock held. 699 */ 700 status_t waitUntilDrainedLocked(nsecs_t maxExpectedDuration); 701 702 /** 703 * Do common work for setting up a streaming or single capture request. 704 * On success, will transition to ACTIVE if in IDLE. 705 */ 706 sp<CaptureRequest> setUpRequestLocked(const PhysicalCameraSettingsList &request, 707 const SurfaceMap &surfaceMap); 708 709 /** 710 * Build a CaptureRequest request from the CameraDeviceBase request 711 * settings. 712 */ 713 sp<CaptureRequest> createCaptureRequest(const PhysicalCameraSettingsList &request, 714 const SurfaceMap &surfaceMap); 715 716 /** 717 * Internally re-configure camera device using new session parameters. 718 * This will get triggered by the request thread. 719 */ 720 bool reconfigureCamera(const CameraMetadata& sessionParams, int clientStatusId); 721 722 /** 723 * Return true in case of any output or input abandoned streams, 724 * otherwise return false. 725 */ 726 bool checkAbandonedStreamsLocked(); 727 728 /** 729 * Filter stream session parameters and configure camera HAL. 730 */ 731 status_t filterParamsAndConfigureLocked(const CameraMetadata& sessionParams, 732 int operatingMode); 733 734 /** 735 * Take the currently-defined set of streams and configure the HAL to use 736 * them. This is a long-running operation (may be several hundered ms). 737 */ 738 status_t configureStreamsLocked(int operatingMode, 739 const CameraMetadata& sessionParams, bool notifyRequestThread = true); 740 741 /** 742 * Cancel stream configuration that did not finish successfully. 743 */ 744 void cancelStreamsConfigurationLocked(); 745 746 /** 747 * Add a fake stream to the current stream set as a workaround for 748 * not allowing 0 streams in the camera HAL spec. 749 */ 750 status_t addFakeStreamLocked(); 751 752 /** 753 * Remove a fake stream if the current config includes real streams. 754 */ 755 status_t tryRemoveFakeStreamLocked(); 756 757 /** 758 * Set device into an error state due to some fatal failure, and set an 759 * error message to indicate why. Only the first call's message will be 760 * used. The message is also sent to the log. 761 */ 762 void setErrorState(const char *fmt, ...) override; 763 void setErrorStateLocked(const char *fmt, ...) override; 764 void setErrorStateV(const char *fmt, va_list args); 765 void setErrorStateLockedV(const char *fmt, va_list args); 766 767 ///////////////////////////////////////////////////////////////////// 768 // Implements InflightRequestUpdateInterface 769 770 void onInflightEntryRemovedLocked(nsecs_t duration) override; 771 void checkInflightMapLengthLocked() override; 772 void onInflightMapFlushedLocked() override; 773 774 ///////////////////////////////////////////////////////////////////// 775 776 /** 777 * Debugging trylock/spin method 778 * Try to acquire a lock a few times with sleeps between before giving up. 779 */ 780 bool tryLockSpinRightRound(Mutex& lock); 781 782 /** 783 * Helper function to get the offset between MONOTONIC and BOOTTIME 784 * timestamp. 785 */ 786 static nsecs_t getMonoToBoottimeOffset(); 787 788 struct RequestTrigger { 789 // Metadata tag number, e.g. android.control.aePrecaptureTrigger 790 uint32_t metadataTag; 791 // Metadata value, e.g. 'START' or the trigger ID 792 int32_t entryValue; 793 794 // The last part of the fully qualified path, e.g. afTrigger getTagNameRequestTrigger795 const char *getTagName() const { 796 return get_camera_metadata_tag_name(metadataTag) ?: "NULL"; 797 } 798 799 // e.g. TYPE_BYTE, TYPE_INT32, etc. getTagTypeRequestTrigger800 int getTagType() const { 801 return get_camera_metadata_tag_type(metadataTag); 802 } 803 }; 804 805 /** 806 * Thread for managing capture request submission to HAL device. 807 */ 808 class RequestThread : public Thread { 809 810 public: 811 812 RequestThread(wp<Camera3Device> parent, 813 sp<camera3::StatusTracker> statusTracker, 814 sp<HalInterface> interface, 815 const Vector<int32_t>& sessionParamKeys, 816 bool useHalBufManager, 817 bool supportCameraMute); 818 ~RequestThread(); 819 820 void setNotificationListener(wp<NotificationListener> listener); 821 822 /** 823 * Call after stream (re)-configuration is completed. 824 */ 825 void configurationComplete(bool isConstrainedHighSpeed, 826 const CameraMetadata& sessionParams, 827 const std::map<int32_t, std::set<String8>>& groupIdPhysicalCameraMap); 828 829 /** 830 * Set or clear the list of repeating requests. Does not block 831 * on either. Use waitUntilPaused to wait until request queue 832 * has emptied out. 833 */ 834 status_t setRepeatingRequests(const RequestList& requests, 835 /*out*/ 836 int64_t *lastFrameNumber = NULL); 837 status_t clearRepeatingRequests(/*out*/ 838 int64_t *lastFrameNumber = NULL); 839 840 status_t queueRequestList(List<sp<CaptureRequest> > &requests, 841 /*out*/ 842 int64_t *lastFrameNumber = NULL); 843 844 /** 845 * Remove all queued and repeating requests, and pending triggers 846 */ 847 status_t clear(/*out*/int64_t *lastFrameNumber = NULL); 848 849 /** 850 * Flush all pending requests in HAL. 851 */ 852 status_t flush(); 853 854 /** 855 * Queue a trigger to be dispatched with the next outgoing 856 * process_capture_request. The settings for that request only 857 * will be temporarily rewritten to add the trigger tag/value. 858 * Subsequent requests will not be rewritten (for this tag). 859 */ 860 status_t queueTrigger(RequestTrigger trigger[], size_t count); 861 862 /** 863 * Pause/unpause the capture thread. Doesn't block, so use 864 * waitUntilPaused to wait until the thread is paused. 865 */ 866 void setPaused(bool paused); 867 868 /** 869 * Wait until thread processes the capture request with settings' 870 * android.request.id == requestId. 871 * 872 * Returns TIMED_OUT in case the thread does not process the request 873 * within the timeout. 874 */ 875 status_t waitUntilRequestProcessed(int32_t requestId, nsecs_t timeout); 876 877 /** 878 * Shut down the thread. Shutdown is asynchronous, so thread may 879 * still be running once this method returns. 880 */ 881 virtual void requestExit(); 882 883 /** 884 * Get the latest request that was sent to the HAL 885 * with process_capture_request. 886 */ 887 CameraMetadata getLatestRequest() const; 888 889 /** 890 * Returns true if the stream is a target of any queued or repeating 891 * capture request 892 */ 893 bool isStreamPending(sp<camera3::Camera3StreamInterface>& stream); 894 895 /** 896 * Returns true if the surface is a target of any queued or repeating 897 * capture request 898 */ 899 bool isOutputSurfacePending(int streamId, size_t surfaceId); 900 901 // dump processCaptureRequest latency dumpCaptureRequestLatency(int fd,const char * name)902 void dumpCaptureRequestLatency(int fd, const char* name) { 903 mRequestLatency.dump(fd, name); 904 } 905 906 void signalPipelineDrain(const std::vector<int>& streamIds); 907 void resetPipelineDrain(); 908 909 status_t switchToOffline( 910 const std::vector<int32_t>& streamsToKeep, 911 /*out*/hardware::camera::device::V3_6::CameraOfflineSessionInfo* offlineSessionInfo, 912 /*out*/sp<hardware::camera::device::V3_6::ICameraOfflineSession>* offlineSession, 913 /*out*/camera3::BufferRecords* bufferRecords); 914 915 void clearPreviousRequest(); 916 917 status_t setRotateAndCropAutoBehavior( 918 camera_metadata_enum_android_scaler_rotate_and_crop_t rotateAndCropValue); 919 920 status_t setCameraMute(int32_t muteMode); 921 922 status_t setHalInterface(sp<HalInterface> newHalInterface); 923 924 protected: 925 926 virtual bool threadLoop(); 927 928 private: 929 static const String8& getId(const wp<Camera3Device> &device); 930 931 status_t queueTriggerLocked(RequestTrigger trigger); 932 // Mix-in queued triggers into this request 933 int32_t insertTriggers(const sp<CaptureRequest> &request); 934 // Purge the queued triggers from this request, 935 // restoring the old field values for those tags. 936 status_t removeTriggers(const sp<CaptureRequest> &request); 937 938 // HAL workaround: Make sure a trigger ID always exists if 939 // a trigger does 940 status_t addFakeTriggerIds(const sp<CaptureRequest> &request); 941 942 // Override rotate_and_crop control if needed; returns true if the current value was changed 943 bool overrideAutoRotateAndCrop(const sp<CaptureRequest> &request); 944 945 // Override test_pattern control if needed for camera mute; returns true 946 // if the current value was changed 947 bool overrideTestPattern(const sp<CaptureRequest> &request); 948 949 static const nsecs_t kRequestTimeout = 50e6; // 50 ms 950 951 // TODO: does this need to be adjusted for long exposure requests? 952 static const nsecs_t kRequestSubmitTimeout = 200e6; // 200 ms 953 954 // Used to prepare a batch of requests. 955 struct NextRequest { 956 sp<CaptureRequest> captureRequest; 957 camera_capture_request_t halRequest; 958 Vector<camera_stream_buffer_t> outputBuffers; 959 bool submitted; 960 }; 961 962 // Wait for the next batch of requests and put them in mNextRequests. mNextRequests will 963 // be empty if it times out. 964 void waitForNextRequestBatch(); 965 966 // Waits for a request, or returns NULL if times out. Must be called with mRequestLock hold. 967 sp<CaptureRequest> waitForNextRequestLocked(); 968 969 // Prepare HAL requests and output buffers in mNextRequests. Return TIMED_OUT if getting any 970 // output buffer timed out. If an error is returned, the caller should clean up the pending 971 // request batch. 972 status_t prepareHalRequests(); 973 974 // Return buffers, etc, for requests in mNextRequests that couldn't be fully constructed and 975 // send request errors if sendRequestError is true. The buffers will be returned in the 976 // ERROR state to mark them as not having valid data. mNextRequests will be cleared. 977 void cleanUpFailedRequests(bool sendRequestError); 978 979 // Stop the repeating request if any of its output streams is abandoned. 980 void checkAndStopRepeatingRequest(); 981 982 // Release physical camera settings and camera id resources. 983 void cleanupPhysicalSettings(sp<CaptureRequest> request, 984 /*out*/camera_capture_request_t *halRequest); 985 986 // Pause handling 987 bool waitIfPaused(); 988 void unpauseForNewRequests(); 989 990 // Relay error to parent device object setErrorState 991 void setErrorState(const char *fmt, ...); 992 993 // If the input request is in mRepeatingRequests. Must be called with mRequestLock hold 994 bool isRepeatingRequestLocked(const sp<CaptureRequest>&); 995 996 // Clear repeating requests. Must be called with mRequestLock held. 997 status_t clearRepeatingRequestsLocked(/*out*/ int64_t *lastFrameNumber = NULL); 998 999 // send request in mNextRequests to HAL in a batch. Return true = sucssess 1000 bool sendRequestsBatch(); 1001 1002 // Calculate the expected maximum duration for a request 1003 nsecs_t calculateMaxExpectedDuration(const camera_metadata_t *request); 1004 1005 // Check and update latest session parameters based on the current request settings. 1006 bool updateSessionParameters(const CameraMetadata& settings); 1007 1008 // Check whether FPS range session parameter re-configuration is needed in constrained 1009 // high speed recording camera sessions. 1010 bool skipHFRTargetFPSUpdate(int32_t tag, const camera_metadata_ro_entry_t& newEntry, 1011 const camera_metadata_entry_t& currentEntry); 1012 1013 // Update next request sent to HAL 1014 void updateNextRequest(NextRequest& nextRequest); 1015 1016 wp<Camera3Device> mParent; 1017 wp<camera3::StatusTracker> mStatusTracker; 1018 sp<HalInterface> mInterface; 1019 1020 wp<NotificationListener> mListener; 1021 1022 const String8& mId; // The camera ID 1023 int mStatusId; // The RequestThread's component ID for 1024 // status tracking 1025 1026 Mutex mRequestLock; 1027 Condition mRequestSignal; 1028 Condition mRequestSubmittedSignal; 1029 RequestList mRequestQueue; 1030 RequestList mRepeatingRequests; 1031 bool mFirstRepeating; 1032 // The next batch of requests being prepped for submission to the HAL, no longer 1033 // on the request queue. Read-only even with mRequestLock held, outside 1034 // of threadLoop 1035 Vector<NextRequest> mNextRequests; 1036 1037 // To protect flush() and sending a request batch to HAL. 1038 Mutex mFlushLock; 1039 1040 bool mReconfigured; 1041 1042 // Used by waitIfPaused, waitForNextRequest, waitUntilPaused, and signalPipelineDrain 1043 Mutex mPauseLock; 1044 bool mDoPause; 1045 Condition mDoPauseSignal; 1046 bool mPaused; 1047 bool mNotifyPipelineDrain; 1048 std::vector<int> mStreamIdsToBeDrained; 1049 1050 sp<CaptureRequest> mPrevRequest; 1051 int32_t mPrevTriggers; 1052 std::set<std::string> mPrevCameraIdsWithZoom; 1053 1054 uint32_t mFrameNumber; 1055 1056 mutable Mutex mLatestRequestMutex; 1057 Condition mLatestRequestSignal; 1058 // android.request.id for latest process_capture_request 1059 int32_t mLatestRequestId; 1060 CameraMetadata mLatestRequest; 1061 std::unordered_map<std::string, CameraMetadata> mLatestPhysicalRequest; 1062 1063 typedef KeyedVector<uint32_t/*tag*/, RequestTrigger> TriggerMap; 1064 Mutex mTriggerMutex; 1065 TriggerMap mTriggerMap; 1066 TriggerMap mTriggerRemovedMap; 1067 TriggerMap mTriggerReplacedMap; 1068 uint32_t mCurrentAfTriggerId; 1069 uint32_t mCurrentPreCaptureTriggerId; 1070 camera_metadata_enum_android_scaler_rotate_and_crop_t mRotateAndCropOverride; 1071 int32_t mCameraMute; // 0 = no mute, otherwise the TEST_PATTERN_MODE to use 1072 bool mCameraMuteChanged; 1073 1074 int64_t mRepeatingLastFrameNumber; 1075 1076 // Flag indicating if we should prepare video stream for video requests. 1077 bool mPrepareVideoStream; 1078 1079 bool mConstrainedMode; 1080 1081 static const int32_t kRequestLatencyBinSize = 40; // in ms 1082 CameraLatencyHistogram mRequestLatency; 1083 1084 Vector<int32_t> mSessionParamKeys; 1085 CameraMetadata mLatestSessionParams; 1086 1087 std::map<int32_t, std::set<String8>> mGroupIdPhysicalCameraMap; 1088 1089 const bool mUseHalBufManager; 1090 const bool mSupportCameraMute; 1091 }; 1092 sp<RequestThread> mRequestThread; 1093 1094 /** 1095 * In-flight queue for tracking completion of capture requests. 1096 */ 1097 std::mutex mInFlightLock; 1098 camera3::InFlightRequestMap mInFlightMap; 1099 nsecs_t mExpectedInflightDuration = 0; 1100 int64_t mLastCompletedRegularFrameNumber = -1; 1101 int64_t mLastCompletedReprocessFrameNumber = -1; 1102 int64_t mLastCompletedZslFrameNumber = -1; 1103 // End of mInFlightLock protection scope 1104 1105 int mInFlightStatusId; // const after initialize 1106 1107 status_t registerInFlight(uint32_t frameNumber, 1108 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput, 1109 bool callback, nsecs_t maxExpectedDuration, 1110 const std::set<std::set<String8>>& physicalCameraIds, 1111 bool isStillCapture, bool isZslCapture, bool rotateAndCropAuto, 1112 const std::set<std::string>& cameraIdsWithZoom, const SurfaceMap& outputSurfaces, 1113 nsecs_t requestTimeNs); 1114 1115 /** 1116 * Tracking for idle detection 1117 */ 1118 sp<camera3::StatusTracker> mStatusTracker; 1119 1120 /** 1121 * Graphic buffer manager for output streams. Each device has a buffer manager, which is used 1122 * by the output streams to get and return buffers if these streams are registered to this 1123 * buffer manager. 1124 */ 1125 sp<camera3::Camera3BufferManager> mBufferManager; 1126 1127 /** 1128 * Thread for preparing streams 1129 */ 1130 class PreparerThread : private Thread, public virtual RefBase { 1131 public: 1132 PreparerThread(); 1133 ~PreparerThread(); 1134 1135 void setNotificationListener(wp<NotificationListener> listener); 1136 1137 /** 1138 * Queue up a stream to be prepared. Streams are processed by a background thread in FIFO 1139 * order. Pre-allocate up to maxCount buffers for the stream, or the maximum number needed 1140 * for the pipeline if maxCount is ALLOCATE_PIPELINE_MAX. 1141 */ 1142 status_t prepare(int maxCount, sp<camera3::Camera3StreamInterface>& stream); 1143 1144 /** 1145 * Cancel all current and pending stream preparation 1146 */ 1147 status_t clear(); 1148 1149 /** 1150 * Pause all preparation activities 1151 */ 1152 void pause(); 1153 1154 /** 1155 * Resume preparation activities 1156 */ 1157 status_t resume(); 1158 1159 private: 1160 Mutex mLock; 1161 Condition mThreadActiveSignal; 1162 1163 virtual bool threadLoop(); 1164 1165 // Guarded by mLock 1166 1167 wp<NotificationListener> mListener; 1168 std::unordered_map<int, sp<camera3::Camera3StreamInterface> > mPendingStreams; 1169 bool mActive; 1170 bool mCancelNow; 1171 1172 // Only accessed by threadLoop and the destructor 1173 1174 sp<camera3::Camera3StreamInterface> mCurrentStream; 1175 int mCurrentMaxCount; 1176 bool mCurrentPrepareComplete; 1177 }; 1178 sp<PreparerThread> mPreparerThread; 1179 1180 /** 1181 * Output result queue and current HAL device 3A state 1182 */ 1183 1184 // Lock for output side of device 1185 std::mutex mOutputLock; 1186 1187 /**** Scope for mOutputLock ****/ 1188 // the minimal frame number of the next non-reprocess result 1189 uint32_t mNextResultFrameNumber; 1190 // the minimal frame number of the next reprocess result 1191 uint32_t mNextReprocessResultFrameNumber; 1192 // the minimal frame number of the next ZSL still capture result 1193 uint32_t mNextZslStillResultFrameNumber; 1194 // the minimal frame number of the next non-reprocess shutter 1195 uint32_t mNextShutterFrameNumber; 1196 // the minimal frame number of the next reprocess shutter 1197 uint32_t mNextReprocessShutterFrameNumber; 1198 // the minimal frame number of the next ZSL still capture shutter 1199 uint32_t mNextZslStillShutterFrameNumber; 1200 std::list<CaptureResult> mResultQueue; 1201 std::condition_variable mResultSignal; 1202 wp<NotificationListener> mListener; 1203 1204 /**** End scope for mOutputLock ****/ 1205 1206 /**** Scope for mInFlightLock ****/ 1207 1208 // Remove the in-flight map entry of the given index from mInFlightMap. 1209 // It must only be called with mInFlightLock held. 1210 void removeInFlightMapEntryLocked(int idx); 1211 1212 // Remove all in-flight requests and return all buffers. 1213 // This is used after HAL interface is closed to cleanup any request/buffers 1214 // not returned by HAL. 1215 void flushInflightRequests(); 1216 1217 /**** End scope for mInFlightLock ****/ 1218 1219 /** 1220 * Distortion correction support 1221 */ 1222 // Map from camera IDs to its corresponding distortion mapper. Only contains 1223 // 1 ID if the device isn't a logical multi-camera. Otherwise contains both 1224 // logical camera and its physical subcameras. 1225 std::unordered_map<std::string, camera3::DistortionMapper> mDistortionMappers; 1226 1227 /** 1228 * Zoom ratio mapper support 1229 */ 1230 std::unordered_map<std::string, camera3::ZoomRatioMapper> mZoomRatioMappers; 1231 1232 /** 1233 * UHR request crop / metering region mapper support 1234 */ 1235 std::unordered_map<std::string, camera3::UHRCropAndMeteringRegionMapper> 1236 mUHRCropAndMeteringRegionMappers; 1237 1238 /** 1239 * RotateAndCrop mapper support 1240 */ 1241 std::unordered_map<std::string, camera3::RotateAndCropMapper> mRotateAndCropMappers; 1242 1243 // Debug tracker for metadata tag value changes 1244 // - Enabled with the -m <taglist> option to dumpsys, such as 1245 // dumpsys -m android.control.aeState,android.control.aeMode 1246 // - Disabled with -m off 1247 // - dumpsys -m 3a is a shortcut for ae/af/awbMode, State, and Triggers 1248 TagMonitor mTagMonitor; 1249 1250 void monitorMetadata(TagMonitor::eventSource source, int64_t frameNumber, 1251 nsecs_t timestamp, const CameraMetadata& metadata, 1252 const std::unordered_map<std::string, CameraMetadata>& physicalMetadata); 1253 1254 metadata_vendor_id_t mVendorTagId; 1255 1256 // Cached last requested template id 1257 int mLastTemplateId; 1258 1259 // Synchronizes access to status tracker between inflight updates and disconnect. 1260 // b/79972865 1261 Mutex mTrackerLock; 1262 1263 // Whether HAL request buffers through requestStreamBuffers API 1264 bool mUseHalBufManager = false; 1265 1266 // Lock to ensure requestStreamBuffers() callbacks are serialized 1267 std::mutex mRequestBufferInterfaceLock; 1268 1269 // The state machine to control when requestStreamBuffers should allow 1270 // HAL to request buffers. 1271 enum RequestBufferState { 1272 /** 1273 * This is the initial state. 1274 * requestStreamBuffers call will return FAILED_CONFIGURING in this state. 1275 * Will switch to RB_STATUS_READY after a successful configureStreams or 1276 * processCaptureRequest call. 1277 */ 1278 RB_STATUS_STOPPED, 1279 1280 /** 1281 * requestStreamBuffers call will proceed in this state. 1282 * When device is asked to stay idle via waitUntilStateThenRelock() call: 1283 * - Switch to RB_STATUS_STOPPED if there is no inflight requests and 1284 * request thread is paused. 1285 * - Switch to RB_STATUS_PENDING_STOP otherwise 1286 */ 1287 RB_STATUS_READY, 1288 1289 /** 1290 * requestStreamBuffers call will proceed in this state. 1291 * Switch to RB_STATUS_STOPPED when all inflight requests are fulfilled 1292 * and request thread is paused 1293 */ 1294 RB_STATUS_PENDING_STOP, 1295 }; 1296 1297 class RequestBufferStateMachine { 1298 public: 1299 status_t initialize(sp<camera3::StatusTracker> statusTracker); 1300 1301 // Return if the state machine currently allows for requestBuffers 1302 // If the state allows for it, mRequestBufferOngoing will be set to true 1303 // and caller must call endRequestBuffer() later to unset the flag 1304 bool startRequestBuffer(); 1305 void endRequestBuffer(); 1306 1307 // Events triggered by application API call 1308 void onStreamsConfigured(); 1309 void onWaitUntilIdle(); 1310 1311 // Events usually triggered by hwBinder processCaptureResult callback thread 1312 // But can also be triggered on request thread for failed request, or on 1313 // hwbinder notify callback thread for shutter/error callbacks 1314 void onInflightMapEmpty(); 1315 1316 // Events triggered by RequestThread 1317 void onSubmittingRequest(); 1318 void onRequestThreadPaused(); 1319 1320 // Events triggered by successful switchToOffline call 1321 // Return true is there is no ongoing requestBuffer call. 1322 bool onSwitchToOfflineSuccess(); 1323 1324 private: 1325 void notifyTrackerLocked(bool active); 1326 1327 // Switch to STOPPED state and return true if all conditions allows for it. 1328 // Otherwise do nothing and return false. 1329 bool checkSwitchToStopLocked(); 1330 1331 std::mutex mLock; 1332 RequestBufferState mStatus = RB_STATUS_STOPPED; 1333 1334 bool mRequestThreadPaused = true; 1335 bool mInflightMapEmpty = true; 1336 bool mRequestBufferOngoing = false; 1337 bool mSwitchedToOffline = false; 1338 1339 wp<camera3::StatusTracker> mStatusTracker; 1340 int mRequestBufferStatusId; 1341 } mRequestBufferSM; 1342 1343 // Fix up result metadata for monochrome camera. 1344 bool mNeedFixupMonochromeTags; 1345 1346 // Whether HAL supports offline processing capability. 1347 bool mSupportOfflineProcessing = false; 1348 1349 // Whether the HAL supports camera muting via test pattern 1350 bool mSupportCameraMute = false; 1351 // Whether the HAL supports SOLID_COLOR or BLACK if mSupportCameraMute is true 1352 bool mSupportTestPatternSolidColor = false; 1353 1354 // Whether the camera framework overrides the device characteristics for 1355 // performance class. 1356 bool mOverrideForPerfClass; 1357 1358 // Injection camera related methods. 1359 class Camera3DeviceInjectionMethods : public virtual RefBase { 1360 public: 1361 Camera3DeviceInjectionMethods(wp<Camera3Device> parent); 1362 1363 ~Camera3DeviceInjectionMethods(); 1364 1365 // Initialize the injection camera and generate an hal interface. 1366 status_t injectionInitialize( 1367 const String8& injectedCamId, sp<CameraProviderManager> manager, 1368 const sp< 1369 android::hardware::camera::device::V3_2 ::ICameraDeviceCallback>& 1370 callback); 1371 1372 // Injection camera will replace the internal camera and configure streams 1373 // when device is IDLE and request thread is paused. 1374 status_t injectCamera( 1375 camera3::camera_stream_configuration& injectionConfig, 1376 std::vector<uint32_t>& injectionBufferSizes); 1377 1378 // Stop the injection camera and switch back to backup hal interface. 1379 status_t stopInjection(); 1380 1381 bool isInjecting(); 1382 1383 const String8& getInjectedCamId() const; 1384 1385 void getInjectionConfig(/*out*/ camera3::camera_stream_configuration* injectionConfig, 1386 /*out*/ std::vector<uint32_t>* injectionBufferSizes); 1387 1388 private: 1389 // Configure the streams of injection camera, it need wait until the 1390 // output streams are created and configured to the original camera before 1391 // proceeding. 1392 status_t injectionConfigureStreams( 1393 camera3::camera_stream_configuration& injectionConfig, 1394 std::vector<uint32_t>& injectionBufferSizes); 1395 1396 // Disconnect the injection camera and delete the hal interface. 1397 void injectionDisconnectImpl(); 1398 1399 // Use injection camera hal interface to replace and backup original 1400 // camera hal interface. 1401 status_t replaceHalInterface(sp<HalInterface> newHalInterface, 1402 bool keepBackup); 1403 1404 wp<Camera3Device> mParent; 1405 1406 // Backup of the original camera hal interface. 1407 sp<HalInterface> mBackupHalInterface; 1408 1409 // Generated injection camera hal interface. 1410 sp<HalInterface> mInjectedCamHalInterface; 1411 1412 // Copy the configuration of the internal camera. 1413 camera3::camera_stream_configuration mInjectionConfig; 1414 1415 // Copy the bufferSizes of the output streams of the internal camera. 1416 std::vector<uint32_t> mInjectionBufferSizes; 1417 1418 // Synchronizes access to injection camera between initialize and 1419 // disconnect. 1420 Mutex mInjectionLock; 1421 1422 // The injection camera ID. 1423 String8 mInjectedCamId; 1424 }; 1425 sp<Camera3DeviceInjectionMethods> mInjectionMethods; 1426 1427 }; // class Camera3Device 1428 1429 }; // namespace android 1430 1431 #endif 1432