Camera3Device.cpp revision cb0652e5a850b2fcd919e977247e87239efaf70e
1/* 2 * Copyright (C) 2013 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#define LOG_TAG "Camera3-Device" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20//#define LOG_NNDEBUG 0 // Per-frame verbose logging 21 22#ifdef LOG_NNDEBUG 23#define ALOGVV(...) ALOGV(__VA_ARGS__) 24#else 25#define ALOGVV(...) ((void)0) 26#endif 27 28// Convenience macro for transient errors 29#define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ 30 ##__VA_ARGS__) 31 32// Convenience macros for transitioning to the error state 33#define SET_ERR(fmt, ...) setErrorState( \ 34 "%s: " fmt, __FUNCTION__, \ 35 ##__VA_ARGS__) 36#define SET_ERR_L(fmt, ...) setErrorStateLocked( \ 37 "%s: " fmt, __FUNCTION__, \ 38 ##__VA_ARGS__) 39 40#include <inttypes.h> 41 42#include <utils/Log.h> 43#include <utils/Trace.h> 44#include <utils/Timers.h> 45 46#include "utils/CameraTraces.h" 47#include "device3/Camera3Device.h" 48#include "device3/Camera3OutputStream.h" 49#include "device3/Camera3InputStream.h" 50#include "device3/Camera3ZslStream.h" 51 52using namespace android::camera3; 53 54namespace android { 55 56Camera3Device::Camera3Device(int id): 57 mId(id), 58 mHal3Device(NULL), 59 mStatus(STATUS_UNINITIALIZED), 60 mUsePartialResultQuirk(false), 61 mNextResultFrameNumber(0), 62 mNextShutterFrameNumber(0), 63 mListener(NULL) 64{ 65 ATRACE_CALL(); 66 camera3_callback_ops::notify = &sNotify; 67 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 68 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 69} 70 71Camera3Device::~Camera3Device() 72{ 73 ATRACE_CALL(); 74 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 75 disconnect(); 76} 77 78int Camera3Device::getId() const { 79 return mId; 80} 81 82/** 83 * CameraDeviceBase interface 84 */ 85 86status_t Camera3Device::initialize(camera_module_t *module) 87{ 88 ATRACE_CALL(); 89 Mutex::Autolock il(mInterfaceLock); 90 Mutex::Autolock l(mLock); 91 92 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 93 if (mStatus != STATUS_UNINITIALIZED) { 94 CLOGE("Already initialized!"); 95 return INVALID_OPERATION; 96 } 97 98 /** Open HAL device */ 99 100 status_t res; 101 String8 deviceName = String8::format("%d", mId); 102 103 camera3_device_t *device; 104 105 ATRACE_BEGIN("camera3->open"); 106 res = module->common.methods->open(&module->common, deviceName.string(), 107 reinterpret_cast<hw_device_t**>(&device)); 108 ATRACE_END(); 109 110 if (res != OK) { 111 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 112 return res; 113 } 114 115 /** Cross-check device version */ 116 117 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 118 SET_ERR_L("Could not open camera: " 119 "Camera device should be at least %x, reports %x instead", 120 CAMERA_DEVICE_API_VERSION_3_0, 121 device->common.version); 122 device->common.close(&device->common); 123 return BAD_VALUE; 124 } 125 126 camera_info info; 127 res = module->get_camera_info(mId, &info); 128 if (res != OK) return res; 129 130 if (info.device_version != device->common.version) { 131 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 132 " and device version (%x).", 133 info.device_version, device->common.version); 134 device->common.close(&device->common); 135 return BAD_VALUE; 136 } 137 138 /** Initialize device with callback functions */ 139 140 ATRACE_BEGIN("camera3->initialize"); 141 res = device->ops->initialize(device, this); 142 ATRACE_END(); 143 144 if (res != OK) { 145 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 146 strerror(-res), res); 147 device->common.close(&device->common); 148 return BAD_VALUE; 149 } 150 151 /** Start up status tracker thread */ 152 mStatusTracker = new StatusTracker(this); 153 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 154 if (res != OK) { 155 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 156 strerror(-res), res); 157 device->common.close(&device->common); 158 mStatusTracker.clear(); 159 return res; 160 } 161 162 /** Start up request queue thread */ 163 164 mRequestThread = new RequestThread(this, mStatusTracker, device); 165 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 166 if (res != OK) { 167 SET_ERR_L("Unable to start request queue thread: %s (%d)", 168 strerror(-res), res); 169 device->common.close(&device->common); 170 mRequestThread.clear(); 171 return res; 172 } 173 174 /** Everything is good to go */ 175 176 mDeviceInfo = info.static_camera_characteristics; 177 mHal3Device = device; 178 mStatus = STATUS_UNCONFIGURED; 179 mNextStreamId = 0; 180 mNeedConfig = true; 181 mPauseStateNotify = false; 182 183 /** Check for quirks */ 184 185 // Will the HAL be sending in early partial result metadata? 186 camera_metadata_entry partialResultsQuirk = 187 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 188 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 189 mUsePartialResultQuirk = true; 190 } 191 192 return OK; 193} 194 195status_t Camera3Device::disconnect() { 196 ATRACE_CALL(); 197 Mutex::Autolock il(mInterfaceLock); 198 199 ALOGV("%s: E", __FUNCTION__); 200 201 status_t res = OK; 202 203 { 204 Mutex::Autolock l(mLock); 205 if (mStatus == STATUS_UNINITIALIZED) return res; 206 207 if (mStatus == STATUS_ACTIVE || 208 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 209 res = mRequestThread->clearRepeatingRequests(); 210 if (res != OK) { 211 SET_ERR_L("Can't stop streaming"); 212 // Continue to close device even in case of error 213 } else { 214 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 215 if (res != OK) { 216 SET_ERR_L("Timeout waiting for HAL to drain"); 217 // Continue to close device even in case of error 218 } 219 } 220 } 221 222 if (mStatus == STATUS_ERROR) { 223 CLOGE("Shutting down in an error state"); 224 } 225 226 if (mStatusTracker != NULL) { 227 mStatusTracker->requestExit(); 228 } 229 230 if (mRequestThread != NULL) { 231 mRequestThread->requestExit(); 232 } 233 234 mOutputStreams.clear(); 235 mInputStream.clear(); 236 } 237 238 // Joining done without holding mLock, otherwise deadlocks may ensue 239 // as the threads try to access parent state 240 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 241 // HAL may be in a bad state, so waiting for request thread 242 // (which may be stuck in the HAL processCaptureRequest call) 243 // could be dangerous. 244 mRequestThread->join(); 245 } 246 247 if (mStatusTracker != NULL) { 248 mStatusTracker->join(); 249 } 250 251 { 252 Mutex::Autolock l(mLock); 253 254 mRequestThread.clear(); 255 mStatusTracker.clear(); 256 257 if (mHal3Device != NULL) { 258 ATRACE_BEGIN("camera3->close"); 259 mHal3Device->common.close(&mHal3Device->common); 260 ATRACE_END(); 261 mHal3Device = NULL; 262 } 263 264 mStatus = STATUS_UNINITIALIZED; 265 } 266 267 ALOGV("%s: X", __FUNCTION__); 268 return res; 269} 270 271// For dumping/debugging only - 272// try to acquire a lock a few times, eventually give up to proceed with 273// debug/dump operations 274bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 275 bool gotLock = false; 276 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 277 if (lock.tryLock() == NO_ERROR) { 278 gotLock = true; 279 break; 280 } else { 281 usleep(kDumpSleepDuration); 282 } 283 } 284 return gotLock; 285} 286 287status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 288 ATRACE_CALL(); 289 (void)args; 290 291 // Try to lock, but continue in case of failure (to avoid blocking in 292 // deadlocks) 293 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 294 bool gotLock = tryLockSpinRightRound(mLock); 295 296 ALOGW_IF(!gotInterfaceLock, 297 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 298 mId, __FUNCTION__); 299 ALOGW_IF(!gotLock, 300 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 301 mId, __FUNCTION__); 302 303 String8 lines; 304 305 const char *status = 306 mStatus == STATUS_ERROR ? "ERROR" : 307 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 308 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 309 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 310 mStatus == STATUS_ACTIVE ? "ACTIVE" : 311 "Unknown"; 312 313 lines.appendFormat(" Device status: %s\n", status); 314 if (mStatus == STATUS_ERROR) { 315 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 316 } 317 lines.appendFormat(" Stream configuration:\n"); 318 319 if (mInputStream != NULL) { 320 write(fd, lines.string(), lines.size()); 321 mInputStream->dump(fd, args); 322 } else { 323 lines.appendFormat(" No input stream.\n"); 324 write(fd, lines.string(), lines.size()); 325 } 326 for (size_t i = 0; i < mOutputStreams.size(); i++) { 327 mOutputStreams[i]->dump(fd,args); 328 } 329 330 lines = String8(" In-flight requests:\n"); 331 if (mInFlightMap.size() == 0) { 332 lines.append(" None\n"); 333 } else { 334 for (size_t i = 0; i < mInFlightMap.size(); i++) { 335 InFlightRequest r = mInFlightMap.valueAt(i); 336 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 337 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 338 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 339 r.numBuffersLeft); 340 } 341 } 342 write(fd, lines.string(), lines.size()); 343 344 { 345 lines = String8(" Last request sent:\n"); 346 write(fd, lines.string(), lines.size()); 347 348 CameraMetadata lastRequest = getLatestRequestLocked(); 349 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 350 } 351 352 if (mHal3Device != NULL) { 353 lines = String8(" HAL device dump:\n"); 354 write(fd, lines.string(), lines.size()); 355 mHal3Device->ops->dump(mHal3Device, fd); 356 } 357 358 if (gotLock) mLock.unlock(); 359 if (gotInterfaceLock) mInterfaceLock.unlock(); 360 361 return OK; 362} 363 364const CameraMetadata& Camera3Device::info() const { 365 ALOGVV("%s: E", __FUNCTION__); 366 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 367 mStatus == STATUS_ERROR)) { 368 ALOGW("%s: Access to static info %s!", __FUNCTION__, 369 mStatus == STATUS_ERROR ? 370 "when in error state" : "before init"); 371 } 372 return mDeviceInfo; 373} 374 375status_t Camera3Device::checkStatusOkToCaptureLocked() { 376 switch (mStatus) { 377 case STATUS_ERROR: 378 CLOGE("Device has encountered a serious error"); 379 return INVALID_OPERATION; 380 case STATUS_UNINITIALIZED: 381 CLOGE("Device not initialized"); 382 return INVALID_OPERATION; 383 case STATUS_UNCONFIGURED: 384 case STATUS_CONFIGURED: 385 case STATUS_ACTIVE: 386 // OK 387 break; 388 default: 389 SET_ERR_L("Unexpected status: %d", mStatus); 390 return INVALID_OPERATION; 391 } 392 return OK; 393} 394 395status_t Camera3Device::convertMetadataListToRequestListLocked( 396 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 397 if (requestList == NULL) { 398 CLOGE("requestList cannot be NULL."); 399 return BAD_VALUE; 400 } 401 402 int32_t burstId = 0; 403 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 404 it != metadataList.end(); ++it) { 405 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 406 if (newRequest == 0) { 407 CLOGE("Can't create capture request"); 408 return BAD_VALUE; 409 } 410 411 // Setup burst Id and request Id 412 newRequest->mResultExtras.burstId = burstId++; 413 if (it->exists(ANDROID_REQUEST_ID)) { 414 if (it->find(ANDROID_REQUEST_ID).count == 0) { 415 CLOGE("RequestID entry exists; but must not be empty in metadata"); 416 return BAD_VALUE; 417 } 418 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 419 } else { 420 CLOGE("RequestID does not exist in metadata"); 421 return BAD_VALUE; 422 } 423 424 requestList->push_back(newRequest); 425 if (newRequest->mResultExtras.requestId > 0) { 426 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 427 } 428 } 429 return OK; 430} 431 432status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 433 ATRACE_CALL(); 434 status_t res; 435 Mutex::Autolock il(mInterfaceLock); 436 Mutex::Autolock l(mLock); 437 438 // TODO: take ownership of the request 439 440 switch (mStatus) { 441 case STATUS_ERROR: 442 CLOGE("Device has encountered a serious error"); 443 return INVALID_OPERATION; 444 case STATUS_UNINITIALIZED: 445 CLOGE("Device not initialized"); 446 return INVALID_OPERATION; 447 case STATUS_UNCONFIGURED: 448 // May be lazily configuring streams, will check during setup 449 case STATUS_CONFIGURED: 450 case STATUS_ACTIVE: 451 // OK 452 break; 453 default: 454 SET_ERR_L("Unexpected status: %d", mStatus); 455 return INVALID_OPERATION; 456 } 457 458 sp<CaptureRequest> newRequest = setUpRequestLocked(request); 459 if (newRequest == NULL) { 460 CLOGE("Can't create capture request"); 461 return BAD_VALUE; 462 } 463 464 res = mRequestThread->queueRequest(newRequest); 465 if (res == OK) { 466 waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 467 if (res != OK) { 468 SET_ERR_L("Can't transition to active in %f seconds!", 469 kActiveTimeout/1e9); 470 } 471 ALOGV("Camera %d: Capture request enqueued", mId); 472 } else { 473 CLOGE("Cannot queue request. Impossible."); // queueRequest always returns OK. 474 return BAD_VALUE; 475 } 476 return res; 477} 478 479status_t Camera3Device::submitRequestsHelper( 480 const List<const CameraMetadata> &requests, bool repeating, int64_t *lastFrameNumber) { 481 ATRACE_CALL(); 482 Mutex::Autolock il(mInterfaceLock); 483 Mutex::Autolock l(mLock); 484 485 status_t res = checkStatusOkToCaptureLocked(); 486 if (res != OK) { 487 // error logged by previous call 488 return res; 489 } 490 491 RequestList requestList; 492 493 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 494 if (res != OK) { 495 // error logged by previous call 496 return res; 497 } 498 499 if (repeating) { 500 if (lastFrameNumber != NULL) { 501 *lastFrameNumber = mRequestThread->getLastFrameNumber(); 502 } 503 res = mRequestThread->setRepeatingRequests(requestList); 504 } else { 505 res = mRequestThread->queueRequestList(requestList); 506 if (lastFrameNumber != NULL) { 507 *lastFrameNumber = mRequestThread->getLastFrameNumber(); 508 } 509 } 510 511 if (res == OK) { 512 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 513 if (res != OK) { 514 SET_ERR_L("Can't transition to active in %f seconds!", 515 kActiveTimeout/1e9); 516 } 517 ALOGV("Camera %d: Capture request enqueued", mId); 518 } else { 519 CLOGE("Cannot queue request. Impossible."); 520 return BAD_VALUE; 521 } 522 523 return res; 524} 525 526status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 527 int64_t *lastFrameNumber) { 528 ATRACE_CALL(); 529 530 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 531} 532 533status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 534 int64_t* /*lastFrameNumber*/) { 535 ATRACE_CALL(); 536 status_t res; 537 Mutex::Autolock il(mInterfaceLock); 538 Mutex::Autolock l(mLock); 539 540 switch (mStatus) { 541 case STATUS_ERROR: 542 CLOGE("Device has encountered a serious error"); 543 return INVALID_OPERATION; 544 case STATUS_UNINITIALIZED: 545 CLOGE("Device not initialized"); 546 return INVALID_OPERATION; 547 case STATUS_UNCONFIGURED: 548 // May be lazily configuring streams, will check during setup 549 case STATUS_CONFIGURED: 550 case STATUS_ACTIVE: 551 // OK 552 break; 553 default: 554 SET_ERR_L("Unexpected status: %d", mStatus); 555 return INVALID_OPERATION; 556 } 557 558 sp<CaptureRequest> newRepeatingRequest = setUpRequestLocked(request); 559 if (newRepeatingRequest == NULL) { 560 CLOGE("Can't create repeating request"); 561 return BAD_VALUE; 562 } 563 564 RequestList newRepeatingRequests; 565 newRepeatingRequests.push_back(newRepeatingRequest); 566 567 res = mRequestThread->setRepeatingRequests(newRepeatingRequests); 568 if (res == OK) { 569 waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 570 if (res != OK) { 571 SET_ERR_L("Can't transition to active in %f seconds!", 572 kActiveTimeout/1e9); 573 } 574 ALOGV("Camera %d: Repeating request set", mId); 575 } 576 return res; 577} 578 579status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 580 int64_t *lastFrameNumber) { 581 ATRACE_CALL(); 582 583 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 584} 585 586sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 587 const CameraMetadata &request) { 588 status_t res; 589 590 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 591 res = configureStreamsLocked(); 592 if (res != OK) { 593 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 594 return NULL; 595 } 596 if (mStatus == STATUS_UNCONFIGURED) { 597 CLOGE("No streams configured"); 598 return NULL; 599 } 600 } 601 602 sp<CaptureRequest> newRequest = createCaptureRequest(request); 603 return newRequest; 604} 605 606status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 607 ATRACE_CALL(); 608 Mutex::Autolock il(mInterfaceLock); 609 Mutex::Autolock l(mLock); 610 611 switch (mStatus) { 612 case STATUS_ERROR: 613 CLOGE("Device has encountered a serious error"); 614 return INVALID_OPERATION; 615 case STATUS_UNINITIALIZED: 616 CLOGE("Device not initialized"); 617 return INVALID_OPERATION; 618 case STATUS_UNCONFIGURED: 619 case STATUS_CONFIGURED: 620 case STATUS_ACTIVE: 621 // OK 622 break; 623 default: 624 SET_ERR_L("Unexpected status: %d", mStatus); 625 return INVALID_OPERATION; 626 } 627 ALOGV("Camera %d: Clearing repeating request", mId); 628 629 if (lastFrameNumber != NULL) { 630 *lastFrameNumber = mRequestThread->getLastFrameNumber(); 631 ALOGV("%s: lastFrameNumber address %p, value %" PRId64, __FUNCTION__, lastFrameNumber, 632 *lastFrameNumber); 633 } 634 635 return mRequestThread->clearRepeatingRequests(); 636} 637 638status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 639 ATRACE_CALL(); 640 Mutex::Autolock il(mInterfaceLock); 641 642 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 643} 644 645status_t Camera3Device::createInputStream( 646 uint32_t width, uint32_t height, int format, int *id) { 647 ATRACE_CALL(); 648 Mutex::Autolock il(mInterfaceLock); 649 Mutex::Autolock l(mLock); 650 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 651 mId, mNextStreamId, width, height, format); 652 653 status_t res; 654 bool wasActive = false; 655 656 switch (mStatus) { 657 case STATUS_ERROR: 658 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 659 return INVALID_OPERATION; 660 case STATUS_UNINITIALIZED: 661 ALOGE("%s: Device not initialized", __FUNCTION__); 662 return INVALID_OPERATION; 663 case STATUS_UNCONFIGURED: 664 case STATUS_CONFIGURED: 665 // OK 666 break; 667 case STATUS_ACTIVE: 668 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 669 res = internalPauseAndWaitLocked(); 670 if (res != OK) { 671 SET_ERR_L("Can't pause captures to reconfigure streams!"); 672 return res; 673 } 674 wasActive = true; 675 break; 676 default: 677 SET_ERR_L("%s: Unexpected status: %d", mStatus); 678 return INVALID_OPERATION; 679 } 680 assert(mStatus != STATUS_ACTIVE); 681 682 if (mInputStream != 0) { 683 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 684 return INVALID_OPERATION; 685 } 686 687 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 688 width, height, format); 689 newStream->setStatusTracker(mStatusTracker); 690 691 mInputStream = newStream; 692 693 *id = mNextStreamId++; 694 695 // Continue captures if active at start 696 if (wasActive) { 697 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 698 res = configureStreamsLocked(); 699 if (res != OK) { 700 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 701 __FUNCTION__, mNextStreamId, strerror(-res), res); 702 return res; 703 } 704 internalResumeLocked(); 705 } 706 707 ALOGV("Camera %d: Created input stream", mId); 708 return OK; 709} 710 711 712status_t Camera3Device::createZslStream( 713 uint32_t width, uint32_t height, 714 int depth, 715 /*out*/ 716 int *id, 717 sp<Camera3ZslStream>* zslStream) { 718 ATRACE_CALL(); 719 Mutex::Autolock il(mInterfaceLock); 720 Mutex::Autolock l(mLock); 721 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 722 mId, mNextStreamId, width, height, depth); 723 724 status_t res; 725 bool wasActive = false; 726 727 switch (mStatus) { 728 case STATUS_ERROR: 729 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 730 return INVALID_OPERATION; 731 case STATUS_UNINITIALIZED: 732 ALOGE("%s: Device not initialized", __FUNCTION__); 733 return INVALID_OPERATION; 734 case STATUS_UNCONFIGURED: 735 case STATUS_CONFIGURED: 736 // OK 737 break; 738 case STATUS_ACTIVE: 739 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 740 res = internalPauseAndWaitLocked(); 741 if (res != OK) { 742 SET_ERR_L("Can't pause captures to reconfigure streams!"); 743 return res; 744 } 745 wasActive = true; 746 break; 747 default: 748 SET_ERR_L("Unexpected status: %d", mStatus); 749 return INVALID_OPERATION; 750 } 751 assert(mStatus != STATUS_ACTIVE); 752 753 if (mInputStream != 0) { 754 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 755 return INVALID_OPERATION; 756 } 757 758 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 759 width, height, depth); 760 newStream->setStatusTracker(mStatusTracker); 761 762 res = mOutputStreams.add(mNextStreamId, newStream); 763 if (res < 0) { 764 ALOGE("%s: Can't add new stream to set: %s (%d)", 765 __FUNCTION__, strerror(-res), res); 766 return res; 767 } 768 mInputStream = newStream; 769 770 *id = mNextStreamId++; 771 *zslStream = newStream; 772 773 // Continue captures if active at start 774 if (wasActive) { 775 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 776 res = configureStreamsLocked(); 777 if (res != OK) { 778 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 779 __FUNCTION__, mNextStreamId, strerror(-res), res); 780 return res; 781 } 782 internalResumeLocked(); 783 } 784 785 ALOGV("Camera %d: Created ZSL stream", mId); 786 return OK; 787} 788 789status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 790 uint32_t width, uint32_t height, int format, size_t size, int *id) { 791 ATRACE_CALL(); 792 Mutex::Autolock il(mInterfaceLock); 793 Mutex::Autolock l(mLock); 794 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d, size %zu", 795 mId, mNextStreamId, width, height, format, size); 796 797 status_t res; 798 bool wasActive = false; 799 800 switch (mStatus) { 801 case STATUS_ERROR: 802 CLOGE("Device has encountered a serious error"); 803 return INVALID_OPERATION; 804 case STATUS_UNINITIALIZED: 805 CLOGE("Device not initialized"); 806 return INVALID_OPERATION; 807 case STATUS_UNCONFIGURED: 808 case STATUS_CONFIGURED: 809 // OK 810 break; 811 case STATUS_ACTIVE: 812 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 813 res = internalPauseAndWaitLocked(); 814 if (res != OK) { 815 SET_ERR_L("Can't pause captures to reconfigure streams!"); 816 return res; 817 } 818 wasActive = true; 819 break; 820 default: 821 SET_ERR_L("Unexpected status: %d", mStatus); 822 return INVALID_OPERATION; 823 } 824 assert(mStatus != STATUS_ACTIVE); 825 826 sp<Camera3OutputStream> newStream; 827 if (format == HAL_PIXEL_FORMAT_BLOB) { 828 newStream = new Camera3OutputStream(mNextStreamId, consumer, 829 width, height, size, format); 830 } else { 831 newStream = new Camera3OutputStream(mNextStreamId, consumer, 832 width, height, format); 833 } 834 newStream->setStatusTracker(mStatusTracker); 835 836 res = mOutputStreams.add(mNextStreamId, newStream); 837 if (res < 0) { 838 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 839 return res; 840 } 841 842 *id = mNextStreamId++; 843 mNeedConfig = true; 844 845 // Continue captures if active at start 846 if (wasActive) { 847 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 848 res = configureStreamsLocked(); 849 if (res != OK) { 850 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 851 mNextStreamId, strerror(-res), res); 852 return res; 853 } 854 internalResumeLocked(); 855 } 856 ALOGV("Camera %d: Created new stream", mId); 857 return OK; 858} 859 860status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 861 ATRACE_CALL(); 862 (void)outputId; (void)id; 863 864 CLOGE("Unimplemented"); 865 return INVALID_OPERATION; 866} 867 868 869status_t Camera3Device::getStreamInfo(int id, 870 uint32_t *width, uint32_t *height, uint32_t *format) { 871 ATRACE_CALL(); 872 Mutex::Autolock il(mInterfaceLock); 873 Mutex::Autolock l(mLock); 874 875 switch (mStatus) { 876 case STATUS_ERROR: 877 CLOGE("Device has encountered a serious error"); 878 return INVALID_OPERATION; 879 case STATUS_UNINITIALIZED: 880 CLOGE("Device not initialized!"); 881 return INVALID_OPERATION; 882 case STATUS_UNCONFIGURED: 883 case STATUS_CONFIGURED: 884 case STATUS_ACTIVE: 885 // OK 886 break; 887 default: 888 SET_ERR_L("Unexpected status: %d", mStatus); 889 return INVALID_OPERATION; 890 } 891 892 ssize_t idx = mOutputStreams.indexOfKey(id); 893 if (idx == NAME_NOT_FOUND) { 894 CLOGE("Stream %d is unknown", id); 895 return idx; 896 } 897 898 if (width) *width = mOutputStreams[idx]->getWidth(); 899 if (height) *height = mOutputStreams[idx]->getHeight(); 900 if (format) *format = mOutputStreams[idx]->getFormat(); 901 902 return OK; 903} 904 905status_t Camera3Device::setStreamTransform(int id, 906 int transform) { 907 ATRACE_CALL(); 908 Mutex::Autolock il(mInterfaceLock); 909 Mutex::Autolock l(mLock); 910 911 switch (mStatus) { 912 case STATUS_ERROR: 913 CLOGE("Device has encountered a serious error"); 914 return INVALID_OPERATION; 915 case STATUS_UNINITIALIZED: 916 CLOGE("Device not initialized"); 917 return INVALID_OPERATION; 918 case STATUS_UNCONFIGURED: 919 case STATUS_CONFIGURED: 920 case STATUS_ACTIVE: 921 // OK 922 break; 923 default: 924 SET_ERR_L("Unexpected status: %d", mStatus); 925 return INVALID_OPERATION; 926 } 927 928 ssize_t idx = mOutputStreams.indexOfKey(id); 929 if (idx == NAME_NOT_FOUND) { 930 CLOGE("Stream %d does not exist", 931 id); 932 return BAD_VALUE; 933 } 934 935 return mOutputStreams.editValueAt(idx)->setTransform(transform); 936} 937 938status_t Camera3Device::deleteStream(int id) { 939 ATRACE_CALL(); 940 Mutex::Autolock il(mInterfaceLock); 941 Mutex::Autolock l(mLock); 942 status_t res; 943 944 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 945 946 // CameraDevice semantics require device to already be idle before 947 // deleteStream is called, unlike for createStream. 948 if (mStatus == STATUS_ACTIVE) { 949 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 950 return -EBUSY; 951 } 952 953 sp<Camera3StreamInterface> deletedStream; 954 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 955 if (mInputStream != NULL && id == mInputStream->getId()) { 956 deletedStream = mInputStream; 957 mInputStream.clear(); 958 } else { 959 if (outputStreamIdx == NAME_NOT_FOUND) { 960 CLOGE("Stream %d does not exist", id); 961 return BAD_VALUE; 962 } 963 } 964 965 // Delete output stream or the output part of a bi-directional stream. 966 if (outputStreamIdx != NAME_NOT_FOUND) { 967 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 968 mOutputStreams.removeItem(id); 969 } 970 971 // Free up the stream endpoint so that it can be used by some other stream 972 res = deletedStream->disconnect(); 973 if (res != OK) { 974 SET_ERR_L("Can't disconnect deleted stream %d", id); 975 // fall through since we want to still list the stream as deleted. 976 } 977 mDeletedStreams.add(deletedStream); 978 mNeedConfig = true; 979 980 return res; 981} 982 983status_t Camera3Device::deleteReprocessStream(int id) { 984 ATRACE_CALL(); 985 (void)id; 986 987 CLOGE("Unimplemented"); 988 return INVALID_OPERATION; 989} 990 991 992status_t Camera3Device::createDefaultRequest(int templateId, 993 CameraMetadata *request) { 994 ATRACE_CALL(); 995 ALOGV("%s: for template %d", __FUNCTION__, templateId); 996 Mutex::Autolock il(mInterfaceLock); 997 Mutex::Autolock l(mLock); 998 999 switch (mStatus) { 1000 case STATUS_ERROR: 1001 CLOGE("Device has encountered a serious error"); 1002 return INVALID_OPERATION; 1003 case STATUS_UNINITIALIZED: 1004 CLOGE("Device is not initialized!"); 1005 return INVALID_OPERATION; 1006 case STATUS_UNCONFIGURED: 1007 case STATUS_CONFIGURED: 1008 case STATUS_ACTIVE: 1009 // OK 1010 break; 1011 default: 1012 SET_ERR_L("Unexpected status: %d", mStatus); 1013 return INVALID_OPERATION; 1014 } 1015 1016 const camera_metadata_t *rawRequest; 1017 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1018 rawRequest = mHal3Device->ops->construct_default_request_settings( 1019 mHal3Device, templateId); 1020 ATRACE_END(); 1021 if (rawRequest == NULL) { 1022 SET_ERR_L("HAL is unable to construct default settings for template %d", 1023 templateId); 1024 return DEAD_OBJECT; 1025 } 1026 *request = rawRequest; 1027 1028 return OK; 1029} 1030 1031status_t Camera3Device::waitUntilDrained() { 1032 ATRACE_CALL(); 1033 Mutex::Autolock il(mInterfaceLock); 1034 Mutex::Autolock l(mLock); 1035 1036 return waitUntilDrainedLocked(); 1037} 1038 1039status_t Camera3Device::waitUntilDrainedLocked() { 1040 switch (mStatus) { 1041 case STATUS_UNINITIALIZED: 1042 case STATUS_UNCONFIGURED: 1043 ALOGV("%s: Already idle", __FUNCTION__); 1044 return OK; 1045 case STATUS_CONFIGURED: 1046 // To avoid race conditions, check with tracker to be sure 1047 case STATUS_ERROR: 1048 case STATUS_ACTIVE: 1049 // Need to verify shut down 1050 break; 1051 default: 1052 SET_ERR_L("Unexpected status: %d",mStatus); 1053 return INVALID_OPERATION; 1054 } 1055 1056 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1057 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1058 return res; 1059} 1060 1061// Pause to reconfigure 1062status_t Camera3Device::internalPauseAndWaitLocked() { 1063 mRequestThread->setPaused(true); 1064 mPauseStateNotify = true; 1065 1066 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1067 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1068 if (res != OK) { 1069 SET_ERR_L("Can't idle device in %f seconds!", 1070 kShutdownTimeout/1e9); 1071 } 1072 1073 return res; 1074} 1075 1076// Resume after internalPauseAndWaitLocked 1077status_t Camera3Device::internalResumeLocked() { 1078 status_t res; 1079 1080 mRequestThread->setPaused(false); 1081 1082 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1083 if (res != OK) { 1084 SET_ERR_L("Can't transition to active in %f seconds!", 1085 kActiveTimeout/1e9); 1086 } 1087 mPauseStateNotify = false; 1088 return OK; 1089} 1090 1091status_t Camera3Device::waitUntilStateThenRelock(bool active, 1092 nsecs_t timeout) { 1093 status_t res = OK; 1094 if (active == (mStatus == STATUS_ACTIVE)) { 1095 // Desired state already reached 1096 return res; 1097 } 1098 1099 bool stateSeen = false; 1100 do { 1101 mRecentStatusUpdates.clear(); 1102 1103 res = mStatusChanged.waitRelative(mLock, timeout); 1104 if (res != OK) break; 1105 1106 // Check state change history during wait 1107 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1108 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1109 stateSeen = true; 1110 break; 1111 } 1112 } 1113 } while (!stateSeen); 1114 1115 return res; 1116} 1117 1118 1119status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1120 ATRACE_CALL(); 1121 Mutex::Autolock l(mOutputLock); 1122 1123 if (listener != NULL && mListener != NULL) { 1124 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1125 } 1126 mListener = listener; 1127 1128 return OK; 1129} 1130 1131bool Camera3Device::willNotify3A() { 1132 return false; 1133} 1134 1135status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1136 status_t res; 1137 Mutex::Autolock l(mOutputLock); 1138 1139 while (mResultQueue.empty()) { 1140 res = mResultSignal.waitRelative(mOutputLock, timeout); 1141 if (res == TIMED_OUT) { 1142 return res; 1143 } else if (res != OK) { 1144 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1145 __FUNCTION__, mId, timeout, strerror(-res), res); 1146 return res; 1147 } 1148 } 1149 return OK; 1150} 1151 1152status_t Camera3Device::getNextResult(CaptureResult *frame) { 1153 ATRACE_CALL(); 1154 Mutex::Autolock l(mOutputLock); 1155 1156 if (mResultQueue.empty()) { 1157 return NOT_ENOUGH_DATA; 1158 } 1159 1160 if (frame == NULL) { 1161 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1162 return BAD_VALUE; 1163 } 1164 1165 CaptureResult &result = *(mResultQueue.begin()); 1166 frame->mResultExtras = result.mResultExtras; 1167 frame->mMetadata.acquire(result.mMetadata); 1168 mResultQueue.erase(mResultQueue.begin()); 1169 1170 return OK; 1171} 1172 1173status_t Camera3Device::triggerAutofocus(uint32_t id) { 1174 ATRACE_CALL(); 1175 Mutex::Autolock il(mInterfaceLock); 1176 1177 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1178 // Mix-in this trigger into the next request and only the next request. 1179 RequestTrigger trigger[] = { 1180 { 1181 ANDROID_CONTROL_AF_TRIGGER, 1182 ANDROID_CONTROL_AF_TRIGGER_START 1183 }, 1184 { 1185 ANDROID_CONTROL_AF_TRIGGER_ID, 1186 static_cast<int32_t>(id) 1187 }, 1188 }; 1189 1190 return mRequestThread->queueTrigger(trigger, 1191 sizeof(trigger)/sizeof(trigger[0])); 1192} 1193 1194status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1195 ATRACE_CALL(); 1196 Mutex::Autolock il(mInterfaceLock); 1197 1198 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1199 // Mix-in this trigger into the next request and only the next request. 1200 RequestTrigger trigger[] = { 1201 { 1202 ANDROID_CONTROL_AF_TRIGGER, 1203 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1204 }, 1205 { 1206 ANDROID_CONTROL_AF_TRIGGER_ID, 1207 static_cast<int32_t>(id) 1208 }, 1209 }; 1210 1211 return mRequestThread->queueTrigger(trigger, 1212 sizeof(trigger)/sizeof(trigger[0])); 1213} 1214 1215status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1216 ATRACE_CALL(); 1217 Mutex::Autolock il(mInterfaceLock); 1218 1219 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1220 // Mix-in this trigger into the next request and only the next request. 1221 RequestTrigger trigger[] = { 1222 { 1223 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1224 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1225 }, 1226 { 1227 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1228 static_cast<int32_t>(id) 1229 }, 1230 }; 1231 1232 return mRequestThread->queueTrigger(trigger, 1233 sizeof(trigger)/sizeof(trigger[0])); 1234} 1235 1236status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1237 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1238 ATRACE_CALL(); 1239 (void)reprocessStreamId; (void)buffer; (void)listener; 1240 1241 CLOGE("Unimplemented"); 1242 return INVALID_OPERATION; 1243} 1244 1245status_t Camera3Device::flush(int64_t *frameNumber) { 1246 ATRACE_CALL(); 1247 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1248 Mutex::Autolock il(mInterfaceLock); 1249 Mutex::Autolock l(mLock); 1250 1251 if (frameNumber != NULL) { 1252 *frameNumber = mRequestThread->getLastFrameNumber(); 1253 } 1254 1255 mRequestThread->clear(); 1256 status_t res; 1257 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1258 res = mHal3Device->ops->flush(mHal3Device); 1259 } else { 1260 res = waitUntilDrainedLocked(); 1261 } 1262 1263 return res; 1264} 1265 1266/** 1267 * Methods called by subclasses 1268 */ 1269 1270void Camera3Device::notifyStatus(bool idle) { 1271 { 1272 // Need mLock to safely update state and synchronize to current 1273 // state of methods in flight. 1274 Mutex::Autolock l(mLock); 1275 // We can get various system-idle notices from the status tracker 1276 // while starting up. Only care about them if we've actually sent 1277 // in some requests recently. 1278 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1279 return; 1280 } 1281 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1282 idle ? "idle" : "active"); 1283 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1284 mRecentStatusUpdates.add(mStatus); 1285 mStatusChanged.signal(); 1286 1287 // Skip notifying listener if we're doing some user-transparent 1288 // state changes 1289 if (mPauseStateNotify) return; 1290 } 1291 NotificationListener *listener; 1292 { 1293 Mutex::Autolock l(mOutputLock); 1294 listener = mListener; 1295 } 1296 if (idle && listener != NULL) { 1297 listener->notifyIdle(); 1298 } 1299} 1300 1301/** 1302 * Camera3Device private methods 1303 */ 1304 1305sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1306 const CameraMetadata &request) { 1307 ATRACE_CALL(); 1308 status_t res; 1309 1310 sp<CaptureRequest> newRequest = new CaptureRequest; 1311 newRequest->mSettings = request; 1312 1313 camera_metadata_entry_t inputStreams = 1314 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1315 if (inputStreams.count > 0) { 1316 if (mInputStream == NULL || 1317 mInputStream->getId() != inputStreams.data.i32[0]) { 1318 CLOGE("Request references unknown input stream %d", 1319 inputStreams.data.u8[0]); 1320 return NULL; 1321 } 1322 // Lazy completion of stream configuration (allocation/registration) 1323 // on first use 1324 if (mInputStream->isConfiguring()) { 1325 res = mInputStream->finishConfiguration(mHal3Device); 1326 if (res != OK) { 1327 SET_ERR_L("Unable to finish configuring input stream %d:" 1328 " %s (%d)", 1329 mInputStream->getId(), strerror(-res), res); 1330 return NULL; 1331 } 1332 } 1333 1334 newRequest->mInputStream = mInputStream; 1335 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1336 } 1337 1338 camera_metadata_entry_t streams = 1339 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1340 if (streams.count == 0) { 1341 CLOGE("Zero output streams specified!"); 1342 return NULL; 1343 } 1344 1345 for (size_t i = 0; i < streams.count; i++) { 1346 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1347 if (idx == NAME_NOT_FOUND) { 1348 CLOGE("Request references unknown stream %d", 1349 streams.data.u8[i]); 1350 return NULL; 1351 } 1352 sp<Camera3OutputStreamInterface> stream = 1353 mOutputStreams.editValueAt(idx); 1354 1355 // Lazy completion of stream configuration (allocation/registration) 1356 // on first use 1357 if (stream->isConfiguring()) { 1358 res = stream->finishConfiguration(mHal3Device); 1359 if (res != OK) { 1360 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1361 stream->getId(), strerror(-res), res); 1362 return NULL; 1363 } 1364 } 1365 1366 newRequest->mOutputStreams.push(stream); 1367 } 1368 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1369 1370 return newRequest; 1371} 1372 1373status_t Camera3Device::configureStreamsLocked() { 1374 ATRACE_CALL(); 1375 status_t res; 1376 1377 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1378 CLOGE("Not idle"); 1379 return INVALID_OPERATION; 1380 } 1381 1382 if (!mNeedConfig) { 1383 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1384 return OK; 1385 } 1386 1387 // Start configuring the streams 1388 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1389 1390 camera3_stream_configuration config; 1391 1392 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1393 1394 Vector<camera3_stream_t*> streams; 1395 streams.setCapacity(config.num_streams); 1396 1397 if (mInputStream != NULL) { 1398 camera3_stream_t *inputStream; 1399 inputStream = mInputStream->startConfiguration(); 1400 if (inputStream == NULL) { 1401 SET_ERR_L("Can't start input stream configuration"); 1402 return INVALID_OPERATION; 1403 } 1404 streams.add(inputStream); 1405 } 1406 1407 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1408 1409 // Don't configure bidi streams twice, nor add them twice to the list 1410 if (mOutputStreams[i].get() == 1411 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1412 1413 config.num_streams--; 1414 continue; 1415 } 1416 1417 camera3_stream_t *outputStream; 1418 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1419 if (outputStream == NULL) { 1420 SET_ERR_L("Can't start output stream configuration"); 1421 return INVALID_OPERATION; 1422 } 1423 streams.add(outputStream); 1424 } 1425 1426 config.streams = streams.editArray(); 1427 1428 // Do the HAL configuration; will potentially touch stream 1429 // max_buffers, usage, priv fields. 1430 ATRACE_BEGIN("camera3->configure_streams"); 1431 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1432 ATRACE_END(); 1433 1434 if (res != OK) { 1435 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1436 strerror(-res), res); 1437 return res; 1438 } 1439 1440 // Finish all stream configuration immediately. 1441 // TODO: Try to relax this later back to lazy completion, which should be 1442 // faster 1443 1444 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1445 res = mInputStream->finishConfiguration(mHal3Device); 1446 if (res != OK) { 1447 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1448 mInputStream->getId(), strerror(-res), res); 1449 return res; 1450 } 1451 } 1452 1453 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1454 sp<Camera3OutputStreamInterface> outputStream = 1455 mOutputStreams.editValueAt(i); 1456 if (outputStream->isConfiguring()) { 1457 res = outputStream->finishConfiguration(mHal3Device); 1458 if (res != OK) { 1459 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1460 outputStream->getId(), strerror(-res), res); 1461 return res; 1462 } 1463 } 1464 } 1465 1466 // Request thread needs to know to avoid using repeat-last-settings protocol 1467 // across configure_streams() calls 1468 mRequestThread->configurationComplete(); 1469 1470 // Update device state 1471 1472 mNeedConfig = false; 1473 1474 if (config.num_streams > 0) { 1475 mStatus = STATUS_CONFIGURED; 1476 } else { 1477 mStatus = STATUS_UNCONFIGURED; 1478 } 1479 1480 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1481 1482 return OK; 1483} 1484 1485void Camera3Device::setErrorState(const char *fmt, ...) { 1486 Mutex::Autolock l(mLock); 1487 va_list args; 1488 va_start(args, fmt); 1489 1490 setErrorStateLockedV(fmt, args); 1491 1492 va_end(args); 1493} 1494 1495void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1496 Mutex::Autolock l(mLock); 1497 setErrorStateLockedV(fmt, args); 1498} 1499 1500void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1501 va_list args; 1502 va_start(args, fmt); 1503 1504 setErrorStateLockedV(fmt, args); 1505 1506 va_end(args); 1507} 1508 1509void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1510 // Print out all error messages to log 1511 String8 errorCause = String8::formatV(fmt, args); 1512 ALOGE("Camera %d: %s", mId, errorCause.string()); 1513 1514 // But only do error state transition steps for the first error 1515 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1516 1517 // Save stack trace. View by dumping it later. 1518 CameraTraces::saveTrace(); 1519 // TODO: consider adding errorCause and client pid/procname 1520 1521 mErrorCause = errorCause; 1522 1523 mRequestThread->setPaused(true); 1524 mStatus = STATUS_ERROR; 1525} 1526 1527/** 1528 * In-flight request management 1529 */ 1530 1531status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1532 int32_t numBuffers, CaptureResultExtras resultExtras) { 1533 ATRACE_CALL(); 1534 Mutex::Autolock l(mInFlightLock); 1535 1536 ssize_t res; 1537 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras)); 1538 if (res < 0) return res; 1539 1540 return OK; 1541} 1542 1543/** 1544 * QUIRK(partial results) 1545 * Check if all 3A fields are ready, and send off a partial 3A-only result 1546 * to the output frame queue 1547 */ 1548bool Camera3Device::processPartial3AQuirk( 1549 uint32_t frameNumber, 1550 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1551 1552 // Check if all 3A states are present 1553 // The full list of fields is 1554 // android.control.afMode 1555 // android.control.awbMode 1556 // android.control.aeState 1557 // android.control.awbState 1558 // android.control.afState 1559 // android.control.afTriggerID 1560 // android.control.aePrecaptureID 1561 // TODO: Add android.control.aeMode 1562 1563 bool gotAllStates = true; 1564 1565 uint8_t afMode; 1566 uint8_t awbMode; 1567 uint8_t aeState; 1568 uint8_t afState; 1569 uint8_t awbState; 1570 int32_t afTriggerId; 1571 int32_t aeTriggerId; 1572 1573 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1574 &afMode, frameNumber); 1575 1576 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1577 &awbMode, frameNumber); 1578 1579 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1580 &aeState, frameNumber); 1581 1582 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1583 &afState, frameNumber); 1584 1585 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1586 &awbState, frameNumber); 1587 1588 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_TRIGGER_ID, 1589 &afTriggerId, frameNumber); 1590 1591 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1592 &aeTriggerId, frameNumber); 1593 1594 if (!gotAllStates) return false; 1595 1596 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1597 "AF state %d, AE state %d, AWB state %d, " 1598 "AF trigger %d, AE precapture trigger %d", 1599 __FUNCTION__, mId, frameNumber, requestId, 1600 afMode, awbMode, 1601 afState, aeState, awbState, 1602 afTriggerId, aeTriggerId); 1603 1604 // Got all states, so construct a minimal result to send 1605 // In addition to the above fields, this means adding in 1606 // android.request.frameCount 1607 // android.request.requestId 1608 // android.quirks.partialResult 1609 1610 const size_t kMinimal3AResultEntries = 10; 1611 1612 Mutex::Autolock l(mOutputLock); 1613 1614 CaptureResult captureResult; 1615 captureResult.mResultExtras = resultExtras; 1616 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1617 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1618 // but not limited to CameraDeviceBase::getNextResult 1619 CaptureResult& min3AResult = 1620 *mResultQueue.insert(mResultQueue.end(), captureResult); 1621 1622 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1623 // TODO: This is problematic casting. Need to fix CameraMetadata. 1624 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1625 return false; 1626 } 1627 1628 int32_t requestId = resultExtras.requestId; 1629 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1630 &requestId, frameNumber)) { 1631 return false; 1632 } 1633 1634 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1635 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1636 &partialResult, frameNumber)) { 1637 return false; 1638 } 1639 1640 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1641 &afMode, frameNumber)) { 1642 return false; 1643 } 1644 1645 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1646 &awbMode, frameNumber)) { 1647 return false; 1648 } 1649 1650 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1651 &aeState, frameNumber)) { 1652 return false; 1653 } 1654 1655 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1656 &afState, frameNumber)) { 1657 return false; 1658 } 1659 1660 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1661 &awbState, frameNumber)) { 1662 return false; 1663 } 1664 1665 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1666 &afTriggerId, frameNumber)) { 1667 return false; 1668 } 1669 1670 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1671 &aeTriggerId, frameNumber)) { 1672 return false; 1673 } 1674 1675 mResultSignal.signal(); 1676 1677 return true; 1678} 1679 1680template<typename T> 1681bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1682 T* value, uint32_t frameNumber) { 1683 (void) frameNumber; 1684 1685 camera_metadata_ro_entry_t entry; 1686 1687 entry = result.find(tag); 1688 if (entry.count == 0) { 1689 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1690 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1691 return false; 1692 } 1693 1694 if (sizeof(T) == sizeof(uint8_t)) { 1695 *value = entry.data.u8[0]; 1696 } else if (sizeof(T) == sizeof(int32_t)) { 1697 *value = entry.data.i32[0]; 1698 } else { 1699 ALOGE("%s: Unexpected type", __FUNCTION__); 1700 return false; 1701 } 1702 return true; 1703} 1704 1705template<typename T> 1706bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1707 const T* value, uint32_t frameNumber) { 1708 if (result.update(tag, value, 1) != NO_ERROR) { 1709 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1710 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1711 frameNumber, get_camera_metadata_tag_name(tag)); 1712 return false; 1713 } 1714 return true; 1715} 1716 1717/** 1718 * Camera HAL device callback methods 1719 */ 1720 1721void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1722 ATRACE_CALL(); 1723 1724 status_t res; 1725 1726 uint32_t frameNumber = result->frame_number; 1727 if (result->result == NULL && result->num_output_buffers == 0) { 1728 SET_ERR("No result data provided by HAL for frame %d", 1729 frameNumber); 1730 return; 1731 } 1732 bool partialResultQuirk = false; 1733 CameraMetadata collectedQuirkResult; 1734 CaptureResultExtras resultExtras; 1735 1736 // Get capture timestamp and resultExtras from list of in-flight requests, 1737 // where it was added by the shutter notification for this frame. 1738 // Then update the in-flight status and remove the in-flight entry if 1739 // all result data has been received. 1740 nsecs_t timestamp = 0; 1741 { 1742 Mutex::Autolock l(mInFlightLock); 1743 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1744 if (idx == NAME_NOT_FOUND) { 1745 SET_ERR("Unknown frame number for capture result: %d", 1746 frameNumber); 1747 return; 1748 } 1749 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1750 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1751 ", burstId = %" PRId32, 1752 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1753 request.resultExtras.burstId); 1754 1755 // Check if this result carries only partial metadata 1756 if (mUsePartialResultQuirk && result->result != NULL) { 1757 camera_metadata_ro_entry_t partialResultEntry; 1758 res = find_camera_metadata_ro_entry(result->result, 1759 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1760 if (res != NAME_NOT_FOUND && 1761 partialResultEntry.count > 0 && 1762 partialResultEntry.data.u8[0] == 1763 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1764 // A partial result. Flag this as such, and collect this 1765 // set of metadata into the in-flight entry. 1766 partialResultQuirk = true; 1767 request.partialResultQuirk.collectedResult.append( 1768 result->result); 1769 request.partialResultQuirk.collectedResult.erase( 1770 ANDROID_QUIRKS_PARTIAL_RESULT); 1771 // Fire off a 3A-only result if possible 1772 if (!request.partialResultQuirk.haveSent3A) { 1773 request.partialResultQuirk.haveSent3A = 1774 processPartial3AQuirk(frameNumber, 1775 request.partialResultQuirk.collectedResult, 1776 request.resultExtras); 1777 } 1778 } 1779 } 1780 1781 timestamp = request.captureTimestamp; 1782 resultExtras = request.resultExtras; 1783 ALOGVV("%s: after checking partial burstId = %d, frameNumber %lld", __FUNCTION__, 1784 request.resultExtras.burstId, request.resultExtras.frameNumber); 1785 1786 /** 1787 * One of the following must happen before it's legal to call process_capture_result, 1788 * unless partial metadata is being provided: 1789 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1790 * - CAMERA3_MSG_ERROR (expected during flush) 1791 */ 1792 if (request.requestStatus == OK && timestamp == 0 && !partialResultQuirk) { 1793 SET_ERR("Called before shutter notify for frame %d", 1794 frameNumber); 1795 return; 1796 } 1797 1798 // Did we get the (final) result metadata for this capture? 1799 if (result->result != NULL && !partialResultQuirk) { 1800 if (request.haveResultMetadata) { 1801 SET_ERR("Called multiple times with metadata for frame %d", 1802 frameNumber); 1803 return; 1804 } 1805 if (mUsePartialResultQuirk && 1806 !request.partialResultQuirk.collectedResult.isEmpty()) { 1807 collectedQuirkResult.acquire( 1808 request.partialResultQuirk.collectedResult); 1809 } 1810 request.haveResultMetadata = true; 1811 } 1812 1813 request.numBuffersLeft -= result->num_output_buffers; 1814 1815 if (request.numBuffersLeft < 0) { 1816 SET_ERR("Too many buffers returned for frame %d", 1817 frameNumber); 1818 return; 1819 } 1820 1821 // Check if everything has arrived for this result (buffers and metadata), remove it from 1822 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 1823 if ((request.requestStatus != OK) || 1824 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 1825 ATRACE_ASYNC_END("frame capture", frameNumber); 1826 mInFlightMap.removeItemsAt(idx, 1); 1827 } 1828 1829 // Sanity check - if we have too many in-flight frames, something has 1830 // likely gone wrong 1831 if (mInFlightMap.size() > kInFlightWarnLimit) { 1832 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1833 } 1834 1835 } 1836 1837 // Process the result metadata, if provided 1838 bool gotResult = false; 1839 if (result->result != NULL && !partialResultQuirk) { 1840 Mutex::Autolock l(mOutputLock); 1841 1842 gotResult = true; 1843 1844 if (frameNumber != mNextResultFrameNumber) { 1845 SET_ERR("Out-of-order capture result metadata submitted! " 1846 "(got frame number %d, expecting %d)", 1847 frameNumber, mNextResultFrameNumber); 1848 return; 1849 } 1850 mNextResultFrameNumber++; 1851 1852 CaptureResult captureResult; 1853 captureResult.mResultExtras = resultExtras; 1854 captureResult.mMetadata = result->result; 1855 1856 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1857 (int32_t*)&frameNumber, 1) != OK) { 1858 SET_ERR("Failed to set frame# in metadata (%d)", 1859 frameNumber); 1860 gotResult = false; 1861 } else { 1862 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1863 __FUNCTION__, mId, frameNumber); 1864 } 1865 1866 // Append any previous partials to form a complete result 1867 if (mUsePartialResultQuirk && !collectedQuirkResult.isEmpty()) { 1868 captureResult.mMetadata.append(collectedQuirkResult); 1869 } 1870 1871 captureResult.mMetadata.sort(); 1872 1873 // Check that there's a timestamp in the result metadata 1874 1875 camera_metadata_entry entry = 1876 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1877 if (entry.count == 0) { 1878 SET_ERR("No timestamp provided by HAL for frame %d!", 1879 frameNumber); 1880 gotResult = false; 1881 } else if (timestamp != entry.data.i64[0]) { 1882 SET_ERR("Timestamp mismatch between shutter notify and result" 1883 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 1884 frameNumber, timestamp, entry.data.i64[0]); 1885 gotResult = false; 1886 } 1887 1888 if (gotResult) { 1889 // Valid result, insert into queue 1890 List<CaptureResult>::iterator queuedResult = 1891 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1892 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1893 ", burstId = %" PRId32, __FUNCTION__, 1894 queuedResult->mResultExtras.requestId, 1895 queuedResult->mResultExtras.frameNumber, 1896 queuedResult->mResultExtras.burstId); 1897 } 1898 } // scope for mOutputLock 1899 1900 // Return completed buffers to their streams with the timestamp 1901 1902 for (size_t i = 0; i < result->num_output_buffers; i++) { 1903 Camera3Stream *stream = 1904 Camera3Stream::cast(result->output_buffers[i].stream); 1905 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1906 // Note: stream may be deallocated at this point, if this buffer was the 1907 // last reference to it. 1908 if (res != OK) { 1909 ALOGE("Can't return buffer %zu for frame %d to its stream: " 1910 " %s (%d)", i, frameNumber, strerror(-res), res); 1911 } 1912 } 1913 1914 // Finally, signal any waiters for new frames 1915 1916 if (gotResult) { 1917 mResultSignal.signal(); 1918 } 1919 1920} 1921 1922void Camera3Device::notify(const camera3_notify_msg *msg) { 1923 ATRACE_CALL(); 1924 NotificationListener *listener; 1925 { 1926 Mutex::Autolock l(mOutputLock); 1927 listener = mListener; 1928 } 1929 1930 if (msg == NULL) { 1931 SET_ERR("HAL sent NULL notify message!"); 1932 return; 1933 } 1934 1935 switch (msg->type) { 1936 case CAMERA3_MSG_ERROR: { 1937 int streamId = 0; 1938 if (msg->message.error.error_stream != NULL) { 1939 Camera3Stream *stream = 1940 Camera3Stream::cast( 1941 msg->message.error.error_stream); 1942 streamId = stream->getId(); 1943 } 1944 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 1945 mId, __FUNCTION__, msg->message.error.frame_number, 1946 streamId, msg->message.error.error_code); 1947 1948 CaptureResultExtras resultExtras; 1949 // Set request error status for the request in the in-flight tracking 1950 { 1951 Mutex::Autolock l(mInFlightLock); 1952 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 1953 if (idx >= 0) { 1954 InFlightRequest &r = mInFlightMap.editValueAt(idx); 1955 r.requestStatus = msg->message.error.error_code; 1956 resultExtras = r.resultExtras; 1957 } else { 1958 resultExtras.frameNumber = msg->message.error.frame_number; 1959 ALOGE("Camera %d: %s: cannot find in-flight request on frame %" PRId64 1960 " error", mId, __FUNCTION__, resultExtras.frameNumber); 1961 } 1962 } 1963 1964 if (listener != NULL) { 1965 if (msg->message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) { 1966 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 1967 resultExtras); 1968 } else { 1969 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_SERVICE, 1970 resultExtras); 1971 } 1972 } else { 1973 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 1974 } 1975 break; 1976 } 1977 case CAMERA3_MSG_SHUTTER: { 1978 ssize_t idx; 1979 uint32_t frameNumber = msg->message.shutter.frame_number; 1980 nsecs_t timestamp = msg->message.shutter.timestamp; 1981 // Verify ordering of shutter notifications 1982 { 1983 Mutex::Autolock l(mOutputLock); 1984 if (frameNumber != mNextShutterFrameNumber) { 1985 SET_ERR("Shutter notification out-of-order. Expected " 1986 "notification for frame %d, got frame %d", 1987 mNextShutterFrameNumber, frameNumber); 1988 break; 1989 } 1990 mNextShutterFrameNumber++; 1991 } 1992 1993 CaptureResultExtras resultExtras; 1994 1995 // Set timestamp for the request in the in-flight tracking 1996 // and get the request ID to send upstream 1997 { 1998 Mutex::Autolock l(mInFlightLock); 1999 idx = mInFlightMap.indexOfKey(frameNumber); 2000 if (idx >= 0) { 2001 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2002 r.captureTimestamp = timestamp; 2003 resultExtras = r.resultExtras; 2004 } 2005 } 2006 if (idx < 0) { 2007 SET_ERR("Shutter notification for non-existent frame number %d", 2008 frameNumber); 2009 break; 2010 } 2011 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2012 mId, __FUNCTION__, frameNumber, resultExtras.requestId, timestamp); 2013 // Call listener, if any 2014 if (listener != NULL) { 2015 listener->notifyShutter(resultExtras, timestamp); 2016 } 2017 break; 2018 } 2019 default: 2020 SET_ERR("Unknown notify message from HAL: %d", 2021 msg->type); 2022 } 2023} 2024 2025CameraMetadata Camera3Device::getLatestRequestLocked() { 2026 ALOGV("%s", __FUNCTION__); 2027 2028 CameraMetadata retVal; 2029 2030 if (mRequestThread != NULL) { 2031 retVal = mRequestThread->getLatestRequest(); 2032 } 2033 2034 return retVal; 2035} 2036 2037 2038/** 2039 * RequestThread inner class methods 2040 */ 2041 2042Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2043 sp<StatusTracker> statusTracker, 2044 camera3_device_t *hal3Device) : 2045 Thread(false), 2046 mParent(parent), 2047 mStatusTracker(statusTracker), 2048 mHal3Device(hal3Device), 2049 mId(getId(parent)), 2050 mReconfigured(false), 2051 mDoPause(false), 2052 mPaused(true), 2053 mFrameNumber(0), 2054 mLatestRequestId(NAME_NOT_FOUND), 2055 mLastFrameNumber(-1) { 2056 mStatusId = statusTracker->addComponent(); 2057} 2058 2059void Camera3Device::RequestThread::configurationComplete() { 2060 Mutex::Autolock l(mRequestLock); 2061 mReconfigured = true; 2062} 2063 2064status_t Camera3Device::RequestThread::queueRequest( 2065 sp<CaptureRequest> request) { 2066 Mutex::Autolock l(mRequestLock); 2067 mRequestQueue.push_back(request); 2068 2069 mLastFrameNumber++; 2070 2071 unpauseForNewRequests(); 2072 2073 return OK; 2074} 2075 2076status_t Camera3Device::RequestThread::queueRequestList( 2077 List<sp<CaptureRequest> > &requests) { 2078 Mutex::Autolock l(mRequestLock); 2079 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2080 ++it) { 2081 mRequestQueue.push_back(*it); 2082 } 2083 2084 mLastFrameNumber += requests.size(); 2085 2086 unpauseForNewRequests(); 2087 2088 return OK; 2089} 2090 2091 2092status_t Camera3Device::RequestThread::queueTrigger( 2093 RequestTrigger trigger[], 2094 size_t count) { 2095 2096 Mutex::Autolock l(mTriggerMutex); 2097 status_t ret; 2098 2099 for (size_t i = 0; i < count; ++i) { 2100 ret = queueTriggerLocked(trigger[i]); 2101 2102 if (ret != OK) { 2103 return ret; 2104 } 2105 } 2106 2107 return OK; 2108} 2109 2110int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2111 sp<Camera3Device> d = device.promote(); 2112 if (d != NULL) return d->mId; 2113 return 0; 2114} 2115 2116status_t Camera3Device::RequestThread::queueTriggerLocked( 2117 RequestTrigger trigger) { 2118 2119 uint32_t tag = trigger.metadataTag; 2120 ssize_t index = mTriggerMap.indexOfKey(tag); 2121 2122 switch (trigger.getTagType()) { 2123 case TYPE_BYTE: 2124 // fall-through 2125 case TYPE_INT32: 2126 break; 2127 default: 2128 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2129 trigger.getTagType()); 2130 return INVALID_OPERATION; 2131 } 2132 2133 /** 2134 * Collect only the latest trigger, since we only have 1 field 2135 * in the request settings per trigger tag, and can't send more than 1 2136 * trigger per request. 2137 */ 2138 if (index != NAME_NOT_FOUND) { 2139 mTriggerMap.editValueAt(index) = trigger; 2140 } else { 2141 mTriggerMap.add(tag, trigger); 2142 } 2143 2144 return OK; 2145} 2146 2147status_t Camera3Device::RequestThread::setRepeatingRequests( 2148 const RequestList &requests) { 2149 Mutex::Autolock l(mRequestLock); 2150 mRepeatingRequests.clear(); 2151 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2152 requests.begin(), requests.end()); 2153 2154 unpauseForNewRequests(); 2155 2156 return OK; 2157} 2158 2159status_t Camera3Device::RequestThread::clearRepeatingRequests() { 2160 Mutex::Autolock l(mRequestLock); 2161 mRepeatingRequests.clear(); 2162 return OK; 2163} 2164 2165status_t Camera3Device::RequestThread::clear() { 2166 Mutex::Autolock l(mRequestLock); 2167 mRepeatingRequests.clear(); 2168 mRequestQueue.clear(); 2169 mTriggerMap.clear(); 2170 // Question: no need to reset frame number? 2171 return OK; 2172} 2173 2174void Camera3Device::RequestThread::setPaused(bool paused) { 2175 Mutex::Autolock l(mPauseLock); 2176 mDoPause = paused; 2177 mDoPauseSignal.signal(); 2178} 2179 2180status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2181 int32_t requestId, nsecs_t timeout) { 2182 Mutex::Autolock l(mLatestRequestMutex); 2183 status_t res; 2184 while (mLatestRequestId != requestId) { 2185 nsecs_t startTime = systemTime(); 2186 2187 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2188 if (res != OK) return res; 2189 2190 timeout -= (systemTime() - startTime); 2191 } 2192 2193 return OK; 2194} 2195 2196void Camera3Device::RequestThread::requestExit() { 2197 // Call parent to set up shutdown 2198 Thread::requestExit(); 2199 // The exit from any possible waits 2200 mDoPauseSignal.signal(); 2201 mRequestSignal.signal(); 2202} 2203 2204bool Camera3Device::RequestThread::threadLoop() { 2205 2206 status_t res; 2207 2208 // Handle paused state. 2209 if (waitIfPaused()) { 2210 return true; 2211 } 2212 2213 // Get work to do 2214 2215 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2216 if (nextRequest == NULL) { 2217 return true; 2218 } 2219 2220 // Create request to HAL 2221 camera3_capture_request_t request = camera3_capture_request_t(); 2222 Vector<camera3_stream_buffer_t> outputBuffers; 2223 2224 // Get the request ID, if any 2225 int requestId; 2226 camera_metadata_entry_t requestIdEntry = 2227 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2228 if (requestIdEntry.count > 0) { 2229 requestId = requestIdEntry.data.i32[0]; 2230 } else { 2231 ALOGW("%s: Did not have android.request.id set in the request", 2232 __FUNCTION__); 2233 requestId = NAME_NOT_FOUND; 2234 } 2235 2236 // Insert any queued triggers (before metadata is locked) 2237 int32_t triggerCount; 2238 res = insertTriggers(nextRequest); 2239 if (res < 0) { 2240 SET_ERR("RequestThread: Unable to insert triggers " 2241 "(capture request %d, HAL device: %s (%d)", 2242 (mFrameNumber+1), strerror(-res), res); 2243 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2244 return false; 2245 } 2246 triggerCount = res; 2247 2248 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2249 2250 // If the request is the same as last, or we had triggers last time 2251 if (mPrevRequest != nextRequest || triggersMixedIn) { 2252 /** 2253 * HAL workaround: 2254 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2255 */ 2256 res = addDummyTriggerIds(nextRequest); 2257 if (res != OK) { 2258 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2259 "(capture request %d, HAL device: %s (%d)", 2260 (mFrameNumber+1), strerror(-res), res); 2261 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2262 return false; 2263 } 2264 2265 /** 2266 * The request should be presorted so accesses in HAL 2267 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2268 */ 2269 nextRequest->mSettings.sort(); 2270 request.settings = nextRequest->mSettings.getAndLock(); 2271 mPrevRequest = nextRequest; 2272 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2273 2274 IF_ALOGV() { 2275 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2276 find_camera_metadata_ro_entry( 2277 request.settings, 2278 ANDROID_CONTROL_AF_TRIGGER, 2279 &e 2280 ); 2281 if (e.count > 0) { 2282 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2283 __FUNCTION__, 2284 mFrameNumber+1, 2285 e.data.u8[0]); 2286 } 2287 } 2288 } else { 2289 // leave request.settings NULL to indicate 'reuse latest given' 2290 ALOGVV("%s: Request settings are REUSED", 2291 __FUNCTION__); 2292 } 2293 2294 camera3_stream_buffer_t inputBuffer; 2295 2296 // Fill in buffers 2297 2298 if (nextRequest->mInputStream != NULL) { 2299 request.input_buffer = &inputBuffer; 2300 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2301 if (res != OK) { 2302 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2303 " %s (%d)", strerror(-res), res); 2304 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2305 return true; 2306 } 2307 } else { 2308 request.input_buffer = NULL; 2309 } 2310 2311 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2312 nextRequest->mOutputStreams.size()); 2313 request.output_buffers = outputBuffers.array(); 2314 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2315 res = nextRequest->mOutputStreams.editItemAt(i)-> 2316 getBuffer(&outputBuffers.editItemAt(i)); 2317 if (res != OK) { 2318 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2319 " %s (%d)", strerror(-res), res); 2320 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2321 return true; 2322 } 2323 request.num_output_buffers++; 2324 } 2325 2326 request.frame_number = mFrameNumber++; 2327 // Update frameNumber of CaptureResultExtras 2328 nextRequest->mResultExtras.frameNumber = request.frame_number; 2329 2330 // Log request in the in-flight queue 2331 sp<Camera3Device> parent = mParent.promote(); 2332 if (parent == NULL) { 2333 CLOGE("RequestThread: Parent is gone"); 2334 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2335 return false; 2336 } 2337 2338 res = parent->registerInFlight(request.frame_number, 2339 request.num_output_buffers, nextRequest->mResultExtras); 2340 ALOGVV("%s: registered in flight requestId = %d, frameNumber = %lld, burstId = %d ", 2341 __FUNCTION__, 2342 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2343 nextRequest->mResultExtras.burstId); 2344 if (res != OK) { 2345 SET_ERR("RequestThread: Unable to register new in-flight request:" 2346 " %s (%d)", strerror(-res), res); 2347 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2348 return false; 2349 } 2350 2351 // Inform waitUntilRequestProcessed thread of a new request ID 2352 { 2353 Mutex::Autolock al(mLatestRequestMutex); 2354 2355 mLatestRequestId = requestId; 2356 mLatestRequestSignal.signal(); 2357 } 2358 2359 // Submit request and block until ready for next one 2360 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2361 ATRACE_BEGIN("camera3->process_capture_request"); 2362 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2363 ATRACE_END(); 2364 2365 if (res != OK) { 2366 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2367 " device: %s (%d)", request.frame_number, strerror(-res), res); 2368 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2369 return false; 2370 } 2371 2372 // Update the latest request sent to HAL 2373 if (request.settings != NULL) { // Don't update them if they were unchanged 2374 Mutex::Autolock al(mLatestRequestMutex); 2375 2376 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2377 mLatestRequest.acquire(cloned); 2378 } 2379 2380 if (request.settings != NULL) { 2381 nextRequest->mSettings.unlock(request.settings); 2382 } 2383 2384 // Remove any previously queued triggers (after unlock) 2385 res = removeTriggers(mPrevRequest); 2386 if (res != OK) { 2387 SET_ERR("RequestThread: Unable to remove triggers " 2388 "(capture request %d, HAL device: %s (%d)", 2389 request.frame_number, strerror(-res), res); 2390 return false; 2391 } 2392 mPrevTriggers = triggerCount; 2393 2394 // Return input buffer back to framework 2395 if (request.input_buffer != NULL) { 2396 Camera3Stream *stream = 2397 Camera3Stream::cast(request.input_buffer->stream); 2398 res = stream->returnInputBuffer(*(request.input_buffer)); 2399 // Note: stream may be deallocated at this point, if this buffer was the 2400 // last reference to it. 2401 if (res != OK) { 2402 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 2403 " its stream:%s (%d)", __FUNCTION__, 2404 request.frame_number, strerror(-res), res); 2405 // TODO: Report error upstream 2406 } 2407 } 2408 2409 return true; 2410} 2411 2412CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2413 Mutex::Autolock al(mLatestRequestMutex); 2414 2415 ALOGV("RequestThread::%s", __FUNCTION__); 2416 2417 return mLatestRequest; 2418} 2419 2420int64_t Camera3Device::RequestThread::getLastFrameNumber() { 2421 Mutex::Autolock al(mRequestLock); 2422 2423 ALOGV("RequestThread::%s", __FUNCTION__); 2424 2425 return mLastFrameNumber; 2426} 2427 2428void Camera3Device::RequestThread::cleanUpFailedRequest( 2429 camera3_capture_request_t &request, 2430 sp<CaptureRequest> &nextRequest, 2431 Vector<camera3_stream_buffer_t> &outputBuffers) { 2432 2433 if (request.settings != NULL) { 2434 nextRequest->mSettings.unlock(request.settings); 2435 } 2436 if (request.input_buffer != NULL) { 2437 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2438 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2439 } 2440 for (size_t i = 0; i < request.num_output_buffers; i++) { 2441 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2442 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2443 outputBuffers[i], 0); 2444 } 2445} 2446 2447sp<Camera3Device::CaptureRequest> 2448 Camera3Device::RequestThread::waitForNextRequest() { 2449 status_t res; 2450 sp<CaptureRequest> nextRequest; 2451 2452 // Optimized a bit for the simple steady-state case (single repeating 2453 // request), to avoid putting that request in the queue temporarily. 2454 Mutex::Autolock l(mRequestLock); 2455 2456 while (mRequestQueue.empty()) { 2457 if (!mRepeatingRequests.empty()) { 2458 // Always atomically enqueue all requests in a repeating request 2459 // list. Guarantees a complete in-sequence set of captures to 2460 // application. 2461 const RequestList &requests = mRepeatingRequests; 2462 RequestList::const_iterator firstRequest = 2463 requests.begin(); 2464 nextRequest = *firstRequest; 2465 mRequestQueue.insert(mRequestQueue.end(), 2466 ++firstRequest, 2467 requests.end()); 2468 // No need to wait any longer 2469 2470 mLastFrameNumber += requests.size(); 2471 2472 break; 2473 } 2474 2475 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2476 2477 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2478 exitPending()) { 2479 Mutex::Autolock pl(mPauseLock); 2480 if (mPaused == false) { 2481 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2482 mPaused = true; 2483 // Let the tracker know 2484 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2485 if (statusTracker != 0) { 2486 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2487 } 2488 } 2489 // Stop waiting for now and let thread management happen 2490 return NULL; 2491 } 2492 } 2493 2494 if (nextRequest == NULL) { 2495 // Don't have a repeating request already in hand, so queue 2496 // must have an entry now. 2497 RequestList::iterator firstRequest = 2498 mRequestQueue.begin(); 2499 nextRequest = *firstRequest; 2500 mRequestQueue.erase(firstRequest); 2501 } 2502 2503 // In case we've been unpaused by setPaused clearing mDoPause, need to 2504 // update internal pause state (capture/setRepeatingRequest unpause 2505 // directly). 2506 Mutex::Autolock pl(mPauseLock); 2507 if (mPaused) { 2508 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2509 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2510 if (statusTracker != 0) { 2511 statusTracker->markComponentActive(mStatusId); 2512 } 2513 } 2514 mPaused = false; 2515 2516 // Check if we've reconfigured since last time, and reset the preview 2517 // request if so. Can't use 'NULL request == repeat' across configure calls. 2518 if (mReconfigured) { 2519 mPrevRequest.clear(); 2520 mReconfigured = false; 2521 } 2522 2523 return nextRequest; 2524} 2525 2526bool Camera3Device::RequestThread::waitIfPaused() { 2527 status_t res; 2528 Mutex::Autolock l(mPauseLock); 2529 while (mDoPause) { 2530 if (mPaused == false) { 2531 mPaused = true; 2532 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2533 // Let the tracker know 2534 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2535 if (statusTracker != 0) { 2536 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2537 } 2538 } 2539 2540 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2541 if (res == TIMED_OUT || exitPending()) { 2542 return true; 2543 } 2544 } 2545 // We don't set mPaused to false here, because waitForNextRequest needs 2546 // to further manage the paused state in case of starvation. 2547 return false; 2548} 2549 2550void Camera3Device::RequestThread::unpauseForNewRequests() { 2551 // With work to do, mark thread as unpaused. 2552 // If paused by request (setPaused), don't resume, to avoid 2553 // extra signaling/waiting overhead to waitUntilPaused 2554 mRequestSignal.signal(); 2555 Mutex::Autolock p(mPauseLock); 2556 if (!mDoPause) { 2557 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2558 if (mPaused) { 2559 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2560 if (statusTracker != 0) { 2561 statusTracker->markComponentActive(mStatusId); 2562 } 2563 } 2564 mPaused = false; 2565 } 2566} 2567 2568void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2569 sp<Camera3Device> parent = mParent.promote(); 2570 if (parent != NULL) { 2571 va_list args; 2572 va_start(args, fmt); 2573 2574 parent->setErrorStateV(fmt, args); 2575 2576 va_end(args); 2577 } 2578} 2579 2580status_t Camera3Device::RequestThread::insertTriggers( 2581 const sp<CaptureRequest> &request) { 2582 2583 Mutex::Autolock al(mTriggerMutex); 2584 2585 CameraMetadata &metadata = request->mSettings; 2586 size_t count = mTriggerMap.size(); 2587 2588 for (size_t i = 0; i < count; ++i) { 2589 RequestTrigger trigger = mTriggerMap.valueAt(i); 2590 2591 uint32_t tag = trigger.metadataTag; 2592 camera_metadata_entry entry = metadata.find(tag); 2593 2594 if (entry.count > 0) { 2595 /** 2596 * Already has an entry for this trigger in the request. 2597 * Rewrite it with our requested trigger value. 2598 */ 2599 RequestTrigger oldTrigger = trigger; 2600 2601 oldTrigger.entryValue = entry.data.u8[0]; 2602 2603 mTriggerReplacedMap.add(tag, oldTrigger); 2604 } else { 2605 /** 2606 * More typical, no trigger entry, so we just add it 2607 */ 2608 mTriggerRemovedMap.add(tag, trigger); 2609 } 2610 2611 status_t res; 2612 2613 switch (trigger.getTagType()) { 2614 case TYPE_BYTE: { 2615 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2616 res = metadata.update(tag, 2617 &entryValue, 2618 /*count*/1); 2619 break; 2620 } 2621 case TYPE_INT32: 2622 res = metadata.update(tag, 2623 &trigger.entryValue, 2624 /*count*/1); 2625 break; 2626 default: 2627 ALOGE("%s: Type not supported: 0x%x", 2628 __FUNCTION__, 2629 trigger.getTagType()); 2630 return INVALID_OPERATION; 2631 } 2632 2633 if (res != OK) { 2634 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2635 ", value %d", __FUNCTION__, trigger.getTagName(), 2636 trigger.entryValue); 2637 return res; 2638 } 2639 2640 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2641 trigger.getTagName(), 2642 trigger.entryValue); 2643 } 2644 2645 mTriggerMap.clear(); 2646 2647 return count; 2648} 2649 2650status_t Camera3Device::RequestThread::removeTriggers( 2651 const sp<CaptureRequest> &request) { 2652 Mutex::Autolock al(mTriggerMutex); 2653 2654 CameraMetadata &metadata = request->mSettings; 2655 2656 /** 2657 * Replace all old entries with their old values. 2658 */ 2659 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2660 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2661 2662 status_t res; 2663 2664 uint32_t tag = trigger.metadataTag; 2665 switch (trigger.getTagType()) { 2666 case TYPE_BYTE: { 2667 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2668 res = metadata.update(tag, 2669 &entryValue, 2670 /*count*/1); 2671 break; 2672 } 2673 case TYPE_INT32: 2674 res = metadata.update(tag, 2675 &trigger.entryValue, 2676 /*count*/1); 2677 break; 2678 default: 2679 ALOGE("%s: Type not supported: 0x%x", 2680 __FUNCTION__, 2681 trigger.getTagType()); 2682 return INVALID_OPERATION; 2683 } 2684 2685 if (res != OK) { 2686 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2687 ", trigger value %d", __FUNCTION__, 2688 trigger.getTagName(), trigger.entryValue); 2689 return res; 2690 } 2691 } 2692 mTriggerReplacedMap.clear(); 2693 2694 /** 2695 * Remove all new entries. 2696 */ 2697 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2698 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2699 status_t res = metadata.erase(trigger.metadataTag); 2700 2701 if (res != OK) { 2702 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2703 ", trigger value %d", __FUNCTION__, 2704 trigger.getTagName(), trigger.entryValue); 2705 return res; 2706 } 2707 } 2708 mTriggerRemovedMap.clear(); 2709 2710 return OK; 2711} 2712 2713status_t Camera3Device::RequestThread::addDummyTriggerIds( 2714 const sp<CaptureRequest> &request) { 2715 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2716 static const int32_t dummyTriggerId = 1; 2717 status_t res; 2718 2719 CameraMetadata &metadata = request->mSettings; 2720 2721 // If AF trigger is active, insert a dummy AF trigger ID if none already 2722 // exists 2723 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2724 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2725 if (afTrigger.count > 0 && 2726 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2727 afId.count == 0) { 2728 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2729 if (res != OK) return res; 2730 } 2731 2732 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2733 // if none already exists 2734 camera_metadata_entry pcTrigger = 2735 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2736 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2737 if (pcTrigger.count > 0 && 2738 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2739 pcId.count == 0) { 2740 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2741 &dummyTriggerId, 1); 2742 if (res != OK) return res; 2743 } 2744 2745 return OK; 2746} 2747 2748 2749/** 2750 * Static callback forwarding methods from HAL to instance 2751 */ 2752 2753void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2754 const camera3_capture_result *result) { 2755 Camera3Device *d = 2756 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2757 d->processCaptureResult(result); 2758} 2759 2760void Camera3Device::sNotify(const camera3_callback_ops *cb, 2761 const camera3_notify_msg *msg) { 2762 Camera3Device *d = 2763 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2764 d->notify(msg); 2765} 2766 2767}; // namespace android 2768