Camera3Device.cpp revision 3ea3fcd0822b2f43d87f1d8f67d7bf145864b201
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#include "device3/Camera3DummyStream.h" 52#include "CameraService.h" 53 54using namespace android::camera3; 55 56namespace android { 57 58Camera3Device::Camera3Device(int id): 59 mId(id), 60 mHal3Device(NULL), 61 mStatus(STATUS_UNINITIALIZED), 62 mUsePartialResult(false), 63 mNumPartialResults(1), 64 mNextResultFrameNumber(0), 65 mNextShutterFrameNumber(0), 66 mListener(NULL) 67{ 68 ATRACE_CALL(); 69 camera3_callback_ops::notify = &sNotify; 70 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 71 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 72} 73 74Camera3Device::~Camera3Device() 75{ 76 ATRACE_CALL(); 77 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 78 disconnect(); 79} 80 81int Camera3Device::getId() const { 82 return mId; 83} 84 85/** 86 * CameraDeviceBase interface 87 */ 88 89status_t Camera3Device::initialize(camera_module_t *module) 90{ 91 ATRACE_CALL(); 92 Mutex::Autolock il(mInterfaceLock); 93 Mutex::Autolock l(mLock); 94 95 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 96 if (mStatus != STATUS_UNINITIALIZED) { 97 CLOGE("Already initialized!"); 98 return INVALID_OPERATION; 99 } 100 101 /** Open HAL device */ 102 103 status_t res; 104 String8 deviceName = String8::format("%d", mId); 105 106 camera3_device_t *device; 107 108 ATRACE_BEGIN("camera3->open"); 109 res = CameraService::filterOpenErrorCode(module->common.methods->open( 110 &module->common, deviceName.string(), 111 reinterpret_cast<hw_device_t**>(&device))); 112 ATRACE_END(); 113 114 if (res != OK) { 115 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 116 return res; 117 } 118 119 /** Cross-check device version */ 120 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 121 SET_ERR_L("Could not open camera: " 122 "Camera device should be at least %x, reports %x instead", 123 CAMERA_DEVICE_API_VERSION_3_0, 124 device->common.version); 125 device->common.close(&device->common); 126 return BAD_VALUE; 127 } 128 129 camera_info info; 130 res = CameraService::filterGetInfoErrorCode(module->get_camera_info( 131 mId, &info)); 132 if (res != OK) return res; 133 134 if (info.device_version != device->common.version) { 135 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 136 " and device version (%x).", 137 info.device_version, device->common.version); 138 device->common.close(&device->common); 139 return BAD_VALUE; 140 } 141 142 /** Initialize device with callback functions */ 143 144 ATRACE_BEGIN("camera3->initialize"); 145 res = device->ops->initialize(device, this); 146 ATRACE_END(); 147 148 if (res != OK) { 149 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 150 strerror(-res), res); 151 device->common.close(&device->common); 152 return BAD_VALUE; 153 } 154 155 /** Start up status tracker thread */ 156 mStatusTracker = new StatusTracker(this); 157 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 158 if (res != OK) { 159 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 160 strerror(-res), res); 161 device->common.close(&device->common); 162 mStatusTracker.clear(); 163 return res; 164 } 165 166 /** Start up request queue thread */ 167 168 mRequestThread = new RequestThread(this, mStatusTracker, device); 169 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 170 if (res != OK) { 171 SET_ERR_L("Unable to start request queue thread: %s (%d)", 172 strerror(-res), res); 173 device->common.close(&device->common); 174 mRequestThread.clear(); 175 return res; 176 } 177 178 /** Everything is good to go */ 179 180 mDeviceVersion = device->common.version; 181 mDeviceInfo = info.static_camera_characteristics; 182 mHal3Device = device; 183 mStatus = STATUS_UNCONFIGURED; 184 mNextStreamId = 0; 185 mDummyStreamId = NO_STREAM; 186 mNeedConfig = true; 187 mPauseStateNotify = false; 188 189 // Will the HAL be sending in early partial result metadata? 190 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 191 camera_metadata_entry partialResultsCount = 192 mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT); 193 if (partialResultsCount.count > 0) { 194 mNumPartialResults = partialResultsCount.data.i32[0]; 195 mUsePartialResult = (mNumPartialResults > 1); 196 } 197 } else { 198 camera_metadata_entry partialResultsQuirk = 199 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 200 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 201 mUsePartialResult = true; 202 } 203 } 204 205 return OK; 206} 207 208status_t Camera3Device::disconnect() { 209 ATRACE_CALL(); 210 Mutex::Autolock il(mInterfaceLock); 211 212 ALOGV("%s: E", __FUNCTION__); 213 214 status_t res = OK; 215 216 { 217 Mutex::Autolock l(mLock); 218 if (mStatus == STATUS_UNINITIALIZED) return res; 219 220 if (mStatus == STATUS_ACTIVE || 221 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 222 res = mRequestThread->clearRepeatingRequests(); 223 if (res != OK) { 224 SET_ERR_L("Can't stop streaming"); 225 // Continue to close device even in case of error 226 } else { 227 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 228 if (res != OK) { 229 SET_ERR_L("Timeout waiting for HAL to drain"); 230 // Continue to close device even in case of error 231 } 232 } 233 } 234 235 if (mStatus == STATUS_ERROR) { 236 CLOGE("Shutting down in an error state"); 237 } 238 239 if (mStatusTracker != NULL) { 240 mStatusTracker->requestExit(); 241 } 242 243 if (mRequestThread != NULL) { 244 mRequestThread->requestExit(); 245 } 246 247 mOutputStreams.clear(); 248 mInputStream.clear(); 249 } 250 251 // Joining done without holding mLock, otherwise deadlocks may ensue 252 // as the threads try to access parent state 253 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 254 // HAL may be in a bad state, so waiting for request thread 255 // (which may be stuck in the HAL processCaptureRequest call) 256 // could be dangerous. 257 mRequestThread->join(); 258 } 259 260 if (mStatusTracker != NULL) { 261 mStatusTracker->join(); 262 } 263 264 { 265 Mutex::Autolock l(mLock); 266 267 mRequestThread.clear(); 268 mStatusTracker.clear(); 269 270 if (mHal3Device != NULL) { 271 ATRACE_BEGIN("camera3->close"); 272 mHal3Device->common.close(&mHal3Device->common); 273 ATRACE_END(); 274 mHal3Device = NULL; 275 } 276 277 mStatus = STATUS_UNINITIALIZED; 278 } 279 280 ALOGV("%s: X", __FUNCTION__); 281 return res; 282} 283 284// For dumping/debugging only - 285// try to acquire a lock a few times, eventually give up to proceed with 286// debug/dump operations 287bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 288 bool gotLock = false; 289 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 290 if (lock.tryLock() == NO_ERROR) { 291 gotLock = true; 292 break; 293 } else { 294 usleep(kDumpSleepDuration); 295 } 296 } 297 return gotLock; 298} 299 300Camera3Device::Size Camera3Device::getMaxJpegResolution() const { 301 int32_t maxJpegWidth = 0, maxJpegHeight = 0; 302 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 303 const int STREAM_CONFIGURATION_SIZE = 4; 304 const int STREAM_FORMAT_OFFSET = 0; 305 const int STREAM_WIDTH_OFFSET = 1; 306 const int STREAM_HEIGHT_OFFSET = 2; 307 const int STREAM_IS_INPUT_OFFSET = 3; 308 camera_metadata_ro_entry_t availableStreamConfigs = 309 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 310 if (availableStreamConfigs.count == 0 || 311 availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) { 312 return Size(0, 0); 313 } 314 315 // Get max jpeg size (area-wise). 316 for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 317 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 318 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 319 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 320 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 321 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT 322 && format == HAL_PIXEL_FORMAT_BLOB && 323 (width * height > maxJpegWidth * maxJpegHeight)) { 324 maxJpegWidth = width; 325 maxJpegHeight = height; 326 } 327 } 328 } else { 329 camera_metadata_ro_entry availableJpegSizes = 330 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 331 if (availableJpegSizes.count == 0 || availableJpegSizes.count % 2 != 0) { 332 return Size(0, 0); 333 } 334 335 // Get max jpeg size (area-wise). 336 for (size_t i = 0; i < availableJpegSizes.count; i += 2) { 337 if ((availableJpegSizes.data.i32[i] * availableJpegSizes.data.i32[i + 1]) 338 > (maxJpegWidth * maxJpegHeight)) { 339 maxJpegWidth = availableJpegSizes.data.i32[i]; 340 maxJpegHeight = availableJpegSizes.data.i32[i + 1]; 341 } 342 } 343 } 344 return Size(maxJpegWidth, maxJpegHeight); 345} 346 347ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const { 348 // Get max jpeg size (area-wise). 349 Size maxJpegResolution = getMaxJpegResolution(); 350 if (maxJpegResolution.width == 0) { 351 ALOGE("%s: Camera %d: Can't find find valid available jpeg sizes in static metadata!", 352 __FUNCTION__, mId); 353 return BAD_VALUE; 354 } 355 356 // Get max jpeg buffer size 357 ssize_t maxJpegBufferSize = 0; 358 camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE); 359 if (jpegBufMaxSize.count == 0) { 360 ALOGE("%s: Camera %d: Can't find maximum JPEG size in static metadata!", __FUNCTION__, mId); 361 return BAD_VALUE; 362 } 363 maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; 364 365 // Calculate final jpeg buffer size for the given resolution. 366 float scaleFactor = ((float) (width * height)) / 367 (maxJpegResolution.width * maxJpegResolution.height); 368 ssize_t jpegBufferSize = scaleFactor * maxJpegBufferSize; 369 // Bound the buffer size to [MIN_JPEG_BUFFER_SIZE, maxJpegBufferSize]. 370 if (jpegBufferSize > maxJpegBufferSize) { 371 jpegBufferSize = maxJpegBufferSize; 372 } else if (jpegBufferSize < kMinJpegBufferSize) { 373 jpegBufferSize = kMinJpegBufferSize; 374 } 375 376 return jpegBufferSize; 377} 378 379status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 380 ATRACE_CALL(); 381 (void)args; 382 383 // Try to lock, but continue in case of failure (to avoid blocking in 384 // deadlocks) 385 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 386 bool gotLock = tryLockSpinRightRound(mLock); 387 388 ALOGW_IF(!gotInterfaceLock, 389 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 390 mId, __FUNCTION__); 391 ALOGW_IF(!gotLock, 392 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 393 mId, __FUNCTION__); 394 395 String8 lines; 396 397 const char *status = 398 mStatus == STATUS_ERROR ? "ERROR" : 399 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 400 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 401 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 402 mStatus == STATUS_ACTIVE ? "ACTIVE" : 403 "Unknown"; 404 405 lines.appendFormat(" Device status: %s\n", status); 406 if (mStatus == STATUS_ERROR) { 407 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 408 } 409 lines.appendFormat(" Stream configuration:\n"); 410 411 if (mInputStream != NULL) { 412 write(fd, lines.string(), lines.size()); 413 mInputStream->dump(fd, args); 414 } else { 415 lines.appendFormat(" No input stream.\n"); 416 write(fd, lines.string(), lines.size()); 417 } 418 for (size_t i = 0; i < mOutputStreams.size(); i++) { 419 mOutputStreams[i]->dump(fd,args); 420 } 421 422 lines = String8(" In-flight requests:\n"); 423 if (mInFlightMap.size() == 0) { 424 lines.append(" None\n"); 425 } else { 426 for (size_t i = 0; i < mInFlightMap.size(); i++) { 427 InFlightRequest r = mInFlightMap.valueAt(i); 428 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 429 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 430 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 431 r.numBuffersLeft); 432 } 433 } 434 write(fd, lines.string(), lines.size()); 435 436 { 437 lines = String8(" Last request sent:\n"); 438 write(fd, lines.string(), lines.size()); 439 440 CameraMetadata lastRequest = getLatestRequestLocked(); 441 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 442 } 443 444 if (mHal3Device != NULL) { 445 lines = String8(" HAL device dump:\n"); 446 write(fd, lines.string(), lines.size()); 447 mHal3Device->ops->dump(mHal3Device, fd); 448 } 449 450 if (gotLock) mLock.unlock(); 451 if (gotInterfaceLock) mInterfaceLock.unlock(); 452 453 return OK; 454} 455 456const CameraMetadata& Camera3Device::info() const { 457 ALOGVV("%s: E", __FUNCTION__); 458 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 459 mStatus == STATUS_ERROR)) { 460 ALOGW("%s: Access to static info %s!", __FUNCTION__, 461 mStatus == STATUS_ERROR ? 462 "when in error state" : "before init"); 463 } 464 return mDeviceInfo; 465} 466 467status_t Camera3Device::checkStatusOkToCaptureLocked() { 468 switch (mStatus) { 469 case STATUS_ERROR: 470 CLOGE("Device has encountered a serious error"); 471 return INVALID_OPERATION; 472 case STATUS_UNINITIALIZED: 473 CLOGE("Device not initialized"); 474 return INVALID_OPERATION; 475 case STATUS_UNCONFIGURED: 476 case STATUS_CONFIGURED: 477 case STATUS_ACTIVE: 478 // OK 479 break; 480 default: 481 SET_ERR_L("Unexpected status: %d", mStatus); 482 return INVALID_OPERATION; 483 } 484 return OK; 485} 486 487status_t Camera3Device::convertMetadataListToRequestListLocked( 488 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 489 if (requestList == NULL) { 490 CLOGE("requestList cannot be NULL."); 491 return BAD_VALUE; 492 } 493 494 int32_t burstId = 0; 495 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 496 it != metadataList.end(); ++it) { 497 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 498 if (newRequest == 0) { 499 CLOGE("Can't create capture request"); 500 return BAD_VALUE; 501 } 502 503 // Setup burst Id and request Id 504 newRequest->mResultExtras.burstId = burstId++; 505 if (it->exists(ANDROID_REQUEST_ID)) { 506 if (it->find(ANDROID_REQUEST_ID).count == 0) { 507 CLOGE("RequestID entry exists; but must not be empty in metadata"); 508 return BAD_VALUE; 509 } 510 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 511 } else { 512 CLOGE("RequestID does not exist in metadata"); 513 return BAD_VALUE; 514 } 515 516 requestList->push_back(newRequest); 517 518 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 519 } 520 return OK; 521} 522 523status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 524 ATRACE_CALL(); 525 526 List<const CameraMetadata> requests; 527 requests.push_back(request); 528 return captureList(requests, /*lastFrameNumber*/NULL); 529} 530 531status_t Camera3Device::submitRequestsHelper( 532 const List<const CameraMetadata> &requests, bool repeating, 533 /*out*/ 534 int64_t *lastFrameNumber) { 535 ATRACE_CALL(); 536 Mutex::Autolock il(mInterfaceLock); 537 Mutex::Autolock l(mLock); 538 539 status_t res = checkStatusOkToCaptureLocked(); 540 if (res != OK) { 541 // error logged by previous call 542 return res; 543 } 544 545 RequestList requestList; 546 547 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 548 if (res != OK) { 549 // error logged by previous call 550 return res; 551 } 552 553 if (repeating) { 554 res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); 555 } else { 556 res = mRequestThread->queueRequestList(requestList, lastFrameNumber); 557 } 558 559 if (res == OK) { 560 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 561 if (res != OK) { 562 SET_ERR_L("Can't transition to active in %f seconds!", 563 kActiveTimeout/1e9); 564 } 565 ALOGV("Camera %d: Capture request %" PRId32 " enqueued", mId, 566 (*(requestList.begin()))->mResultExtras.requestId); 567 } else { 568 CLOGE("Cannot queue request. Impossible."); 569 return BAD_VALUE; 570 } 571 572 return res; 573} 574 575status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 576 int64_t *lastFrameNumber) { 577 ATRACE_CALL(); 578 579 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 580} 581 582status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 583 int64_t* /*lastFrameNumber*/) { 584 ATRACE_CALL(); 585 586 List<const CameraMetadata> requests; 587 requests.push_back(request); 588 return setStreamingRequestList(requests, /*lastFrameNumber*/NULL); 589} 590 591status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 592 int64_t *lastFrameNumber) { 593 ATRACE_CALL(); 594 595 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 596} 597 598sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 599 const CameraMetadata &request) { 600 status_t res; 601 602 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 603 res = configureStreamsLocked(); 604 // Stream configuration failed due to unsupported configuration. 605 // Device back to unconfigured state. Client might try other configuraitons 606 if (res == BAD_VALUE && mStatus == STATUS_UNCONFIGURED) { 607 CLOGE("No streams configured"); 608 return NULL; 609 } 610 // Stream configuration failed for other reason. Fatal. 611 if (res != OK) { 612 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 613 return NULL; 614 } 615 // Stream configuration successfully configure to empty stream configuration. 616 if (mStatus == STATUS_UNCONFIGURED) { 617 CLOGE("No streams configured"); 618 return NULL; 619 } 620 } 621 622 sp<CaptureRequest> newRequest = createCaptureRequest(request); 623 return newRequest; 624} 625 626status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 627 ATRACE_CALL(); 628 Mutex::Autolock il(mInterfaceLock); 629 Mutex::Autolock l(mLock); 630 631 switch (mStatus) { 632 case STATUS_ERROR: 633 CLOGE("Device has encountered a serious error"); 634 return INVALID_OPERATION; 635 case STATUS_UNINITIALIZED: 636 CLOGE("Device not initialized"); 637 return INVALID_OPERATION; 638 case STATUS_UNCONFIGURED: 639 case STATUS_CONFIGURED: 640 case STATUS_ACTIVE: 641 // OK 642 break; 643 default: 644 SET_ERR_L("Unexpected status: %d", mStatus); 645 return INVALID_OPERATION; 646 } 647 ALOGV("Camera %d: Clearing repeating request", mId); 648 649 return mRequestThread->clearRepeatingRequests(lastFrameNumber); 650} 651 652status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 653 ATRACE_CALL(); 654 Mutex::Autolock il(mInterfaceLock); 655 656 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 657} 658 659status_t Camera3Device::createInputStream( 660 uint32_t width, uint32_t height, int format, int *id) { 661 ATRACE_CALL(); 662 Mutex::Autolock il(mInterfaceLock); 663 Mutex::Autolock l(mLock); 664 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 665 mId, mNextStreamId, width, height, format); 666 667 status_t res; 668 bool wasActive = false; 669 670 switch (mStatus) { 671 case STATUS_ERROR: 672 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 673 return INVALID_OPERATION; 674 case STATUS_UNINITIALIZED: 675 ALOGE("%s: Device not initialized", __FUNCTION__); 676 return INVALID_OPERATION; 677 case STATUS_UNCONFIGURED: 678 case STATUS_CONFIGURED: 679 // OK 680 break; 681 case STATUS_ACTIVE: 682 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 683 res = internalPauseAndWaitLocked(); 684 if (res != OK) { 685 SET_ERR_L("Can't pause captures to reconfigure streams!"); 686 return res; 687 } 688 wasActive = true; 689 break; 690 default: 691 SET_ERR_L("%s: Unexpected status: %d", mStatus); 692 return INVALID_OPERATION; 693 } 694 assert(mStatus != STATUS_ACTIVE); 695 696 if (mInputStream != 0) { 697 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 698 return INVALID_OPERATION; 699 } 700 701 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 702 width, height, format); 703 newStream->setStatusTracker(mStatusTracker); 704 705 mInputStream = newStream; 706 707 *id = mNextStreamId++; 708 709 // Continue captures if active at start 710 if (wasActive) { 711 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 712 res = configureStreamsLocked(); 713 if (res != OK) { 714 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 715 __FUNCTION__, mNextStreamId, strerror(-res), res); 716 return res; 717 } 718 internalResumeLocked(); 719 } 720 721 ALOGV("Camera %d: Created input stream", mId); 722 return OK; 723} 724 725 726status_t Camera3Device::createZslStream( 727 uint32_t width, uint32_t height, 728 int depth, 729 /*out*/ 730 int *id, 731 sp<Camera3ZslStream>* zslStream) { 732 ATRACE_CALL(); 733 Mutex::Autolock il(mInterfaceLock); 734 Mutex::Autolock l(mLock); 735 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 736 mId, mNextStreamId, width, height, depth); 737 738 status_t res; 739 bool wasActive = false; 740 741 switch (mStatus) { 742 case STATUS_ERROR: 743 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 744 return INVALID_OPERATION; 745 case STATUS_UNINITIALIZED: 746 ALOGE("%s: Device not initialized", __FUNCTION__); 747 return INVALID_OPERATION; 748 case STATUS_UNCONFIGURED: 749 case STATUS_CONFIGURED: 750 // OK 751 break; 752 case STATUS_ACTIVE: 753 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 754 res = internalPauseAndWaitLocked(); 755 if (res != OK) { 756 SET_ERR_L("Can't pause captures to reconfigure streams!"); 757 return res; 758 } 759 wasActive = true; 760 break; 761 default: 762 SET_ERR_L("Unexpected status: %d", mStatus); 763 return INVALID_OPERATION; 764 } 765 assert(mStatus != STATUS_ACTIVE); 766 767 if (mInputStream != 0) { 768 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 769 return INVALID_OPERATION; 770 } 771 772 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 773 width, height, depth); 774 newStream->setStatusTracker(mStatusTracker); 775 776 res = mOutputStreams.add(mNextStreamId, newStream); 777 if (res < 0) { 778 ALOGE("%s: Can't add new stream to set: %s (%d)", 779 __FUNCTION__, strerror(-res), res); 780 return res; 781 } 782 mInputStream = newStream; 783 784 mNeedConfig = true; 785 786 *id = mNextStreamId++; 787 *zslStream = newStream; 788 789 // Continue captures if active at start 790 if (wasActive) { 791 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 792 res = configureStreamsLocked(); 793 if (res != OK) { 794 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 795 __FUNCTION__, mNextStreamId, strerror(-res), res); 796 return res; 797 } 798 internalResumeLocked(); 799 } 800 801 ALOGV("Camera %d: Created ZSL stream", mId); 802 return OK; 803} 804 805status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 806 uint32_t width, uint32_t height, int format, int *id) { 807 ATRACE_CALL(); 808 Mutex::Autolock il(mInterfaceLock); 809 Mutex::Autolock l(mLock); 810 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d", 811 mId, mNextStreamId, width, height, format); 812 813 status_t res; 814 bool wasActive = false; 815 816 switch (mStatus) { 817 case STATUS_ERROR: 818 CLOGE("Device has encountered a serious error"); 819 return INVALID_OPERATION; 820 case STATUS_UNINITIALIZED: 821 CLOGE("Device not initialized"); 822 return INVALID_OPERATION; 823 case STATUS_UNCONFIGURED: 824 case STATUS_CONFIGURED: 825 // OK 826 break; 827 case STATUS_ACTIVE: 828 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 829 res = internalPauseAndWaitLocked(); 830 if (res != OK) { 831 SET_ERR_L("Can't pause captures to reconfigure streams!"); 832 return res; 833 } 834 wasActive = true; 835 break; 836 default: 837 SET_ERR_L("Unexpected status: %d", mStatus); 838 return INVALID_OPERATION; 839 } 840 assert(mStatus != STATUS_ACTIVE); 841 842 sp<Camera3OutputStream> newStream; 843 if (format == HAL_PIXEL_FORMAT_BLOB) { 844 ssize_t jpegBufferSize = getJpegBufferSize(width, height); 845 if (jpegBufferSize <= 0) { 846 SET_ERR_L("Invalid jpeg buffer size %zd", jpegBufferSize); 847 return BAD_VALUE; 848 } 849 850 newStream = new Camera3OutputStream(mNextStreamId, consumer, 851 width, height, jpegBufferSize, format); 852 } else { 853 newStream = new Camera3OutputStream(mNextStreamId, consumer, 854 width, height, format); 855 } 856 newStream->setStatusTracker(mStatusTracker); 857 858 res = mOutputStreams.add(mNextStreamId, newStream); 859 if (res < 0) { 860 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 861 return res; 862 } 863 864 *id = mNextStreamId++; 865 mNeedConfig = true; 866 867 // Continue captures if active at start 868 if (wasActive) { 869 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 870 res = configureStreamsLocked(); 871 if (res != OK) { 872 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 873 mNextStreamId, strerror(-res), res); 874 return res; 875 } 876 internalResumeLocked(); 877 } 878 ALOGV("Camera %d: Created new stream", mId); 879 return OK; 880} 881 882status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 883 ATRACE_CALL(); 884 (void)outputId; (void)id; 885 886 CLOGE("Unimplemented"); 887 return INVALID_OPERATION; 888} 889 890 891status_t Camera3Device::getStreamInfo(int id, 892 uint32_t *width, uint32_t *height, uint32_t *format) { 893 ATRACE_CALL(); 894 Mutex::Autolock il(mInterfaceLock); 895 Mutex::Autolock l(mLock); 896 897 switch (mStatus) { 898 case STATUS_ERROR: 899 CLOGE("Device has encountered a serious error"); 900 return INVALID_OPERATION; 901 case STATUS_UNINITIALIZED: 902 CLOGE("Device not initialized!"); 903 return INVALID_OPERATION; 904 case STATUS_UNCONFIGURED: 905 case STATUS_CONFIGURED: 906 case STATUS_ACTIVE: 907 // OK 908 break; 909 default: 910 SET_ERR_L("Unexpected status: %d", mStatus); 911 return INVALID_OPERATION; 912 } 913 914 ssize_t idx = mOutputStreams.indexOfKey(id); 915 if (idx == NAME_NOT_FOUND) { 916 CLOGE("Stream %d is unknown", id); 917 return idx; 918 } 919 920 if (width) *width = mOutputStreams[idx]->getWidth(); 921 if (height) *height = mOutputStreams[idx]->getHeight(); 922 if (format) *format = mOutputStreams[idx]->getFormat(); 923 924 return OK; 925} 926 927status_t Camera3Device::setStreamTransform(int id, 928 int transform) { 929 ATRACE_CALL(); 930 Mutex::Autolock il(mInterfaceLock); 931 Mutex::Autolock l(mLock); 932 933 switch (mStatus) { 934 case STATUS_ERROR: 935 CLOGE("Device has encountered a serious error"); 936 return INVALID_OPERATION; 937 case STATUS_UNINITIALIZED: 938 CLOGE("Device not initialized"); 939 return INVALID_OPERATION; 940 case STATUS_UNCONFIGURED: 941 case STATUS_CONFIGURED: 942 case STATUS_ACTIVE: 943 // OK 944 break; 945 default: 946 SET_ERR_L("Unexpected status: %d", mStatus); 947 return INVALID_OPERATION; 948 } 949 950 ssize_t idx = mOutputStreams.indexOfKey(id); 951 if (idx == NAME_NOT_FOUND) { 952 CLOGE("Stream %d does not exist", 953 id); 954 return BAD_VALUE; 955 } 956 957 return mOutputStreams.editValueAt(idx)->setTransform(transform); 958} 959 960status_t Camera3Device::deleteStream(int id) { 961 ATRACE_CALL(); 962 Mutex::Autolock il(mInterfaceLock); 963 Mutex::Autolock l(mLock); 964 status_t res; 965 966 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 967 968 // CameraDevice semantics require device to already be idle before 969 // deleteStream is called, unlike for createStream. 970 if (mStatus == STATUS_ACTIVE) { 971 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 972 return -EBUSY; 973 } 974 975 sp<Camera3StreamInterface> deletedStream; 976 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 977 if (mInputStream != NULL && id == mInputStream->getId()) { 978 deletedStream = mInputStream; 979 mInputStream.clear(); 980 } else { 981 if (outputStreamIdx == NAME_NOT_FOUND) { 982 CLOGE("Stream %d does not exist", id); 983 return BAD_VALUE; 984 } 985 } 986 987 // Delete output stream or the output part of a bi-directional stream. 988 if (outputStreamIdx != NAME_NOT_FOUND) { 989 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 990 mOutputStreams.removeItem(id); 991 } 992 993 // Free up the stream endpoint so that it can be used by some other stream 994 res = deletedStream->disconnect(); 995 if (res != OK) { 996 SET_ERR_L("Can't disconnect deleted stream %d", id); 997 // fall through since we want to still list the stream as deleted. 998 } 999 mDeletedStreams.add(deletedStream); 1000 mNeedConfig = true; 1001 1002 return res; 1003} 1004 1005status_t Camera3Device::deleteReprocessStream(int id) { 1006 ATRACE_CALL(); 1007 (void)id; 1008 1009 CLOGE("Unimplemented"); 1010 return INVALID_OPERATION; 1011} 1012 1013status_t Camera3Device::configureStreams() { 1014 ATRACE_CALL(); 1015 ALOGV("%s: E", __FUNCTION__); 1016 1017 Mutex::Autolock il(mInterfaceLock); 1018 Mutex::Autolock l(mLock); 1019 1020 return configureStreamsLocked(); 1021} 1022 1023status_t Camera3Device::createDefaultRequest(int templateId, 1024 CameraMetadata *request) { 1025 ATRACE_CALL(); 1026 ALOGV("%s: for template %d", __FUNCTION__, templateId); 1027 Mutex::Autolock il(mInterfaceLock); 1028 Mutex::Autolock l(mLock); 1029 1030 switch (mStatus) { 1031 case STATUS_ERROR: 1032 CLOGE("Device has encountered a serious error"); 1033 return INVALID_OPERATION; 1034 case STATUS_UNINITIALIZED: 1035 CLOGE("Device is not initialized!"); 1036 return INVALID_OPERATION; 1037 case STATUS_UNCONFIGURED: 1038 case STATUS_CONFIGURED: 1039 case STATUS_ACTIVE: 1040 // OK 1041 break; 1042 default: 1043 SET_ERR_L("Unexpected status: %d", mStatus); 1044 return INVALID_OPERATION; 1045 } 1046 1047 const camera_metadata_t *rawRequest; 1048 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1049 rawRequest = mHal3Device->ops->construct_default_request_settings( 1050 mHal3Device, templateId); 1051 ATRACE_END(); 1052 if (rawRequest == NULL) { 1053 SET_ERR_L("HAL is unable to construct default settings for template %d", 1054 templateId); 1055 return DEAD_OBJECT; 1056 } 1057 *request = rawRequest; 1058 1059 return OK; 1060} 1061 1062status_t Camera3Device::waitUntilDrained() { 1063 ATRACE_CALL(); 1064 Mutex::Autolock il(mInterfaceLock); 1065 Mutex::Autolock l(mLock); 1066 1067 return waitUntilDrainedLocked(); 1068} 1069 1070status_t Camera3Device::waitUntilDrainedLocked() { 1071 switch (mStatus) { 1072 case STATUS_UNINITIALIZED: 1073 case STATUS_UNCONFIGURED: 1074 ALOGV("%s: Already idle", __FUNCTION__); 1075 return OK; 1076 case STATUS_CONFIGURED: 1077 // To avoid race conditions, check with tracker to be sure 1078 case STATUS_ERROR: 1079 case STATUS_ACTIVE: 1080 // Need to verify shut down 1081 break; 1082 default: 1083 SET_ERR_L("Unexpected status: %d",mStatus); 1084 return INVALID_OPERATION; 1085 } 1086 1087 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1088 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1089 return res; 1090} 1091 1092// Pause to reconfigure 1093status_t Camera3Device::internalPauseAndWaitLocked() { 1094 mRequestThread->setPaused(true); 1095 mPauseStateNotify = true; 1096 1097 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1098 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1099 if (res != OK) { 1100 SET_ERR_L("Can't idle device in %f seconds!", 1101 kShutdownTimeout/1e9); 1102 } 1103 1104 return res; 1105} 1106 1107// Resume after internalPauseAndWaitLocked 1108status_t Camera3Device::internalResumeLocked() { 1109 status_t res; 1110 1111 mRequestThread->setPaused(false); 1112 1113 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1114 if (res != OK) { 1115 SET_ERR_L("Can't transition to active in %f seconds!", 1116 kActiveTimeout/1e9); 1117 } 1118 mPauseStateNotify = false; 1119 return OK; 1120} 1121 1122status_t Camera3Device::waitUntilStateThenRelock(bool active, 1123 nsecs_t timeout) { 1124 status_t res = OK; 1125 if (active == (mStatus == STATUS_ACTIVE)) { 1126 // Desired state already reached 1127 return res; 1128 } 1129 1130 bool stateSeen = false; 1131 do { 1132 mRecentStatusUpdates.clear(); 1133 1134 res = mStatusChanged.waitRelative(mLock, timeout); 1135 if (res != OK) break; 1136 1137 // Check state change history during wait 1138 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1139 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1140 stateSeen = true; 1141 break; 1142 } 1143 } 1144 } while (!stateSeen); 1145 1146 return res; 1147} 1148 1149 1150status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1151 ATRACE_CALL(); 1152 Mutex::Autolock l(mOutputLock); 1153 1154 if (listener != NULL && mListener != NULL) { 1155 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1156 } 1157 mListener = listener; 1158 mRequestThread->setNotifyCallback(listener); 1159 1160 return OK; 1161} 1162 1163bool Camera3Device::willNotify3A() { 1164 return false; 1165} 1166 1167status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1168 status_t res; 1169 Mutex::Autolock l(mOutputLock); 1170 1171 while (mResultQueue.empty()) { 1172 res = mResultSignal.waitRelative(mOutputLock, timeout); 1173 if (res == TIMED_OUT) { 1174 return res; 1175 } else if (res != OK) { 1176 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1177 __FUNCTION__, mId, timeout, strerror(-res), res); 1178 return res; 1179 } 1180 } 1181 return OK; 1182} 1183 1184status_t Camera3Device::getNextResult(CaptureResult *frame) { 1185 ATRACE_CALL(); 1186 Mutex::Autolock l(mOutputLock); 1187 1188 if (mResultQueue.empty()) { 1189 return NOT_ENOUGH_DATA; 1190 } 1191 1192 if (frame == NULL) { 1193 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1194 return BAD_VALUE; 1195 } 1196 1197 CaptureResult &result = *(mResultQueue.begin()); 1198 frame->mResultExtras = result.mResultExtras; 1199 frame->mMetadata.acquire(result.mMetadata); 1200 mResultQueue.erase(mResultQueue.begin()); 1201 1202 return OK; 1203} 1204 1205status_t Camera3Device::triggerAutofocus(uint32_t id) { 1206 ATRACE_CALL(); 1207 Mutex::Autolock il(mInterfaceLock); 1208 1209 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1210 // Mix-in this trigger into the next request and only the next request. 1211 RequestTrigger trigger[] = { 1212 { 1213 ANDROID_CONTROL_AF_TRIGGER, 1214 ANDROID_CONTROL_AF_TRIGGER_START 1215 }, 1216 { 1217 ANDROID_CONTROL_AF_TRIGGER_ID, 1218 static_cast<int32_t>(id) 1219 } 1220 }; 1221 1222 return mRequestThread->queueTrigger(trigger, 1223 sizeof(trigger)/sizeof(trigger[0])); 1224} 1225 1226status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1227 ATRACE_CALL(); 1228 Mutex::Autolock il(mInterfaceLock); 1229 1230 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1231 // Mix-in this trigger into the next request and only the next request. 1232 RequestTrigger trigger[] = { 1233 { 1234 ANDROID_CONTROL_AF_TRIGGER, 1235 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1236 }, 1237 { 1238 ANDROID_CONTROL_AF_TRIGGER_ID, 1239 static_cast<int32_t>(id) 1240 } 1241 }; 1242 1243 return mRequestThread->queueTrigger(trigger, 1244 sizeof(trigger)/sizeof(trigger[0])); 1245} 1246 1247status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1248 ATRACE_CALL(); 1249 Mutex::Autolock il(mInterfaceLock); 1250 1251 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1252 // Mix-in this trigger into the next request and only the next request. 1253 RequestTrigger trigger[] = { 1254 { 1255 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1256 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1257 }, 1258 { 1259 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1260 static_cast<int32_t>(id) 1261 } 1262 }; 1263 1264 return mRequestThread->queueTrigger(trigger, 1265 sizeof(trigger)/sizeof(trigger[0])); 1266} 1267 1268status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1269 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1270 ATRACE_CALL(); 1271 (void)reprocessStreamId; (void)buffer; (void)listener; 1272 1273 CLOGE("Unimplemented"); 1274 return INVALID_OPERATION; 1275} 1276 1277status_t Camera3Device::flush(int64_t *frameNumber) { 1278 ATRACE_CALL(); 1279 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1280 Mutex::Autolock il(mInterfaceLock); 1281 1282 NotificationListener* listener; 1283 { 1284 Mutex::Autolock l(mOutputLock); 1285 listener = mListener; 1286 } 1287 1288 { 1289 Mutex::Autolock l(mLock); 1290 mRequestThread->clear(listener, /*out*/frameNumber); 1291 } 1292 1293 status_t res; 1294 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1295 res = mHal3Device->ops->flush(mHal3Device); 1296 } else { 1297 Mutex::Autolock l(mLock); 1298 res = waitUntilDrainedLocked(); 1299 } 1300 1301 return res; 1302} 1303 1304uint32_t Camera3Device::getDeviceVersion() { 1305 ATRACE_CALL(); 1306 Mutex::Autolock il(mInterfaceLock); 1307 return mDeviceVersion; 1308} 1309 1310/** 1311 * Methods called by subclasses 1312 */ 1313 1314void Camera3Device::notifyStatus(bool idle) { 1315 { 1316 // Need mLock to safely update state and synchronize to current 1317 // state of methods in flight. 1318 Mutex::Autolock l(mLock); 1319 // We can get various system-idle notices from the status tracker 1320 // while starting up. Only care about them if we've actually sent 1321 // in some requests recently. 1322 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1323 return; 1324 } 1325 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1326 idle ? "idle" : "active"); 1327 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1328 mRecentStatusUpdates.add(mStatus); 1329 mStatusChanged.signal(); 1330 1331 // Skip notifying listener if we're doing some user-transparent 1332 // state changes 1333 if (mPauseStateNotify) return; 1334 } 1335 NotificationListener *listener; 1336 { 1337 Mutex::Autolock l(mOutputLock); 1338 listener = mListener; 1339 } 1340 if (idle && listener != NULL) { 1341 listener->notifyIdle(); 1342 } 1343} 1344 1345/** 1346 * Camera3Device private methods 1347 */ 1348 1349sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1350 const CameraMetadata &request) { 1351 ATRACE_CALL(); 1352 status_t res; 1353 1354 sp<CaptureRequest> newRequest = new CaptureRequest; 1355 newRequest->mSettings = request; 1356 1357 camera_metadata_entry_t inputStreams = 1358 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1359 if (inputStreams.count > 0) { 1360 if (mInputStream == NULL || 1361 mInputStream->getId() != inputStreams.data.i32[0]) { 1362 CLOGE("Request references unknown input stream %d", 1363 inputStreams.data.u8[0]); 1364 return NULL; 1365 } 1366 // Lazy completion of stream configuration (allocation/registration) 1367 // on first use 1368 if (mInputStream->isConfiguring()) { 1369 res = mInputStream->finishConfiguration(mHal3Device); 1370 if (res != OK) { 1371 SET_ERR_L("Unable to finish configuring input stream %d:" 1372 " %s (%d)", 1373 mInputStream->getId(), strerror(-res), res); 1374 return NULL; 1375 } 1376 } 1377 1378 newRequest->mInputStream = mInputStream; 1379 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1380 } 1381 1382 camera_metadata_entry_t streams = 1383 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1384 if (streams.count == 0) { 1385 CLOGE("Zero output streams specified!"); 1386 return NULL; 1387 } 1388 1389 for (size_t i = 0; i < streams.count; i++) { 1390 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1391 if (idx == NAME_NOT_FOUND) { 1392 CLOGE("Request references unknown stream %d", 1393 streams.data.u8[i]); 1394 return NULL; 1395 } 1396 sp<Camera3OutputStreamInterface> stream = 1397 mOutputStreams.editValueAt(idx); 1398 1399 // Lazy completion of stream configuration (allocation/registration) 1400 // on first use 1401 if (stream->isConfiguring()) { 1402 res = stream->finishConfiguration(mHal3Device); 1403 if (res != OK) { 1404 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1405 stream->getId(), strerror(-res), res); 1406 return NULL; 1407 } 1408 } 1409 1410 newRequest->mOutputStreams.push(stream); 1411 } 1412 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1413 1414 return newRequest; 1415} 1416 1417status_t Camera3Device::configureStreamsLocked() { 1418 ATRACE_CALL(); 1419 status_t res; 1420 1421 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1422 CLOGE("Not idle"); 1423 return INVALID_OPERATION; 1424 } 1425 1426 if (!mNeedConfig) { 1427 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1428 return OK; 1429 } 1430 1431 // Workaround for device HALv3.2 or older spec bug - zero streams requires 1432 // adding a dummy stream instead. 1433 // TODO: Bug: 17321404 for fixing the HAL spec and removing this workaround. 1434 if (mOutputStreams.size() == 0) { 1435 addDummyStreamLocked(); 1436 } else { 1437 tryRemoveDummyStreamLocked(); 1438 } 1439 1440 // Start configuring the streams 1441 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1442 1443 camera3_stream_configuration config; 1444 1445 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1446 1447 Vector<camera3_stream_t*> streams; 1448 streams.setCapacity(config.num_streams); 1449 1450 if (mInputStream != NULL) { 1451 camera3_stream_t *inputStream; 1452 inputStream = mInputStream->startConfiguration(); 1453 if (inputStream == NULL) { 1454 SET_ERR_L("Can't start input stream configuration"); 1455 return INVALID_OPERATION; 1456 } 1457 streams.add(inputStream); 1458 } 1459 1460 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1461 1462 // Don't configure bidi streams twice, nor add them twice to the list 1463 if (mOutputStreams[i].get() == 1464 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1465 1466 config.num_streams--; 1467 continue; 1468 } 1469 1470 camera3_stream_t *outputStream; 1471 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1472 if (outputStream == NULL) { 1473 SET_ERR_L("Can't start output stream configuration"); 1474 return INVALID_OPERATION; 1475 } 1476 streams.add(outputStream); 1477 } 1478 1479 config.streams = streams.editArray(); 1480 1481 // Do the HAL configuration; will potentially touch stream 1482 // max_buffers, usage, priv fields. 1483 ATRACE_BEGIN("camera3->configure_streams"); 1484 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1485 ATRACE_END(); 1486 1487 if (res == BAD_VALUE) { 1488 // HAL rejected this set of streams as unsupported, clean up config 1489 // attempt and return to unconfigured state 1490 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1491 res = mInputStream->cancelConfiguration(); 1492 if (res != OK) { 1493 SET_ERR_L("Can't cancel configuring input stream %d: %s (%d)", 1494 mInputStream->getId(), strerror(-res), res); 1495 return res; 1496 } 1497 } 1498 1499 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1500 sp<Camera3OutputStreamInterface> outputStream = 1501 mOutputStreams.editValueAt(i); 1502 if (outputStream->isConfiguring()) { 1503 res = outputStream->cancelConfiguration(); 1504 if (res != OK) { 1505 SET_ERR_L( 1506 "Can't cancel configuring output stream %d: %s (%d)", 1507 outputStream->getId(), strerror(-res), res); 1508 return res; 1509 } 1510 } 1511 } 1512 1513 // Return state to that at start of call, so that future configures 1514 // properly clean things up 1515 mStatus = STATUS_UNCONFIGURED; 1516 mNeedConfig = true; 1517 1518 ALOGV("%s: Camera %d: Stream configuration failed", __FUNCTION__, mId); 1519 return BAD_VALUE; 1520 } else if (res != OK) { 1521 // Some other kind of error from configure_streams - this is not 1522 // expected 1523 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1524 strerror(-res), res); 1525 return res; 1526 } 1527 1528 // Finish all stream configuration immediately. 1529 // TODO: Try to relax this later back to lazy completion, which should be 1530 // faster 1531 1532 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1533 res = mInputStream->finishConfiguration(mHal3Device); 1534 if (res != OK) { 1535 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1536 mInputStream->getId(), strerror(-res), res); 1537 return res; 1538 } 1539 } 1540 1541 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1542 sp<Camera3OutputStreamInterface> outputStream = 1543 mOutputStreams.editValueAt(i); 1544 if (outputStream->isConfiguring()) { 1545 res = outputStream->finishConfiguration(mHal3Device); 1546 if (res != OK) { 1547 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1548 outputStream->getId(), strerror(-res), res); 1549 return res; 1550 } 1551 } 1552 } 1553 1554 // Request thread needs to know to avoid using repeat-last-settings protocol 1555 // across configure_streams() calls 1556 mRequestThread->configurationComplete(); 1557 1558 // Update device state 1559 1560 mNeedConfig = false; 1561 1562 if (mDummyStreamId == NO_STREAM) { 1563 mStatus = STATUS_CONFIGURED; 1564 } else { 1565 mStatus = STATUS_UNCONFIGURED; 1566 } 1567 1568 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1569 1570 // tear down the deleted streams after configure streams. 1571 mDeletedStreams.clear(); 1572 1573 return OK; 1574} 1575 1576status_t Camera3Device::addDummyStreamLocked() { 1577 ATRACE_CALL(); 1578 status_t res; 1579 1580 if (mDummyStreamId != NO_STREAM) { 1581 // Should never be adding a second dummy stream when one is already 1582 // active 1583 SET_ERR_L("%s: Camera %d: A dummy stream already exists!", 1584 __FUNCTION__, mId); 1585 return INVALID_OPERATION; 1586 } 1587 1588 ALOGV("%s: Camera %d: Adding a dummy stream", __FUNCTION__, mId); 1589 1590 sp<Camera3OutputStreamInterface> dummyStream = 1591 new Camera3DummyStream(mNextStreamId); 1592 1593 res = mOutputStreams.add(mNextStreamId, dummyStream); 1594 if (res < 0) { 1595 SET_ERR_L("Can't add dummy stream to set: %s (%d)", strerror(-res), res); 1596 return res; 1597 } 1598 1599 mDummyStreamId = mNextStreamId; 1600 mNextStreamId++; 1601 1602 return OK; 1603} 1604 1605status_t Camera3Device::tryRemoveDummyStreamLocked() { 1606 ATRACE_CALL(); 1607 status_t res; 1608 1609 if (mDummyStreamId == NO_STREAM) return OK; 1610 if (mOutputStreams.size() == 1) return OK; 1611 1612 ALOGV("%s: Camera %d: Removing the dummy stream", __FUNCTION__, mId); 1613 1614 // Ok, have a dummy stream and there's at least one other output stream, 1615 // so remove the dummy 1616 1617 sp<Camera3StreamInterface> deletedStream; 1618 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(mDummyStreamId); 1619 if (outputStreamIdx == NAME_NOT_FOUND) { 1620 SET_ERR_L("Dummy stream %d does not appear to exist", mDummyStreamId); 1621 return INVALID_OPERATION; 1622 } 1623 1624 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 1625 mOutputStreams.removeItemsAt(outputStreamIdx); 1626 1627 // Free up the stream endpoint so that it can be used by some other stream 1628 res = deletedStream->disconnect(); 1629 if (res != OK) { 1630 SET_ERR_L("Can't disconnect deleted dummy stream %d", mDummyStreamId); 1631 // fall through since we want to still list the stream as deleted. 1632 } 1633 mDeletedStreams.add(deletedStream); 1634 mDummyStreamId = NO_STREAM; 1635 1636 return res; 1637} 1638 1639void Camera3Device::setErrorState(const char *fmt, ...) { 1640 Mutex::Autolock l(mLock); 1641 va_list args; 1642 va_start(args, fmt); 1643 1644 setErrorStateLockedV(fmt, args); 1645 1646 va_end(args); 1647} 1648 1649void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1650 Mutex::Autolock l(mLock); 1651 setErrorStateLockedV(fmt, args); 1652} 1653 1654void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1655 va_list args; 1656 va_start(args, fmt); 1657 1658 setErrorStateLockedV(fmt, args); 1659 1660 va_end(args); 1661} 1662 1663void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1664 // Print out all error messages to log 1665 String8 errorCause = String8::formatV(fmt, args); 1666 ALOGE("Camera %d: %s", mId, errorCause.string()); 1667 1668 // But only do error state transition steps for the first error 1669 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1670 1671 mErrorCause = errorCause; 1672 1673 mRequestThread->setPaused(true); 1674 mStatus = STATUS_ERROR; 1675 1676 // Notify upstream about a device error 1677 if (mListener != NULL) { 1678 mListener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 1679 CaptureResultExtras()); 1680 } 1681 1682 // Save stack trace. View by dumping it later. 1683 CameraTraces::saveTrace(); 1684 // TODO: consider adding errorCause and client pid/procname 1685} 1686 1687/** 1688 * In-flight request management 1689 */ 1690 1691status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1692 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput) { 1693 ATRACE_CALL(); 1694 Mutex::Autolock l(mInFlightLock); 1695 1696 ssize_t res; 1697 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput)); 1698 if (res < 0) return res; 1699 1700 return OK; 1701} 1702 1703/** 1704 * Check if all 3A fields are ready, and send off a partial 3A-only result 1705 * to the output frame queue 1706 */ 1707bool Camera3Device::processPartial3AResult( 1708 uint32_t frameNumber, 1709 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1710 1711 // Check if all 3A states are present 1712 // The full list of fields is 1713 // android.control.afMode 1714 // android.control.awbMode 1715 // android.control.aeState 1716 // android.control.awbState 1717 // android.control.afState 1718 // android.control.afTriggerID 1719 // android.control.aePrecaptureID 1720 // TODO: Add android.control.aeMode 1721 1722 bool gotAllStates = true; 1723 1724 uint8_t afMode; 1725 uint8_t awbMode; 1726 uint8_t aeState; 1727 uint8_t afState; 1728 uint8_t awbState; 1729 1730 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1731 &afMode, frameNumber); 1732 1733 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1734 &awbMode, frameNumber); 1735 1736 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1737 &aeState, frameNumber); 1738 1739 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1740 &afState, frameNumber); 1741 1742 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1743 &awbState, frameNumber); 1744 1745 if (!gotAllStates) return false; 1746 1747 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1748 "AF state %d, AE state %d, AWB state %d, " 1749 "AF trigger %d, AE precapture trigger %d", 1750 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1751 afMode, awbMode, 1752 afState, aeState, awbState, 1753 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1754 1755 // Got all states, so construct a minimal result to send 1756 // In addition to the above fields, this means adding in 1757 // android.request.frameCount 1758 // android.request.requestId 1759 // android.quirks.partialResult (for HAL version below HAL3.2) 1760 1761 const size_t kMinimal3AResultEntries = 10; 1762 1763 Mutex::Autolock l(mOutputLock); 1764 1765 CaptureResult captureResult; 1766 captureResult.mResultExtras = resultExtras; 1767 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1768 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1769 // but not limited to CameraDeviceBase::getNextResult 1770 CaptureResult& min3AResult = 1771 *mResultQueue.insert(mResultQueue.end(), captureResult); 1772 1773 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1774 // TODO: This is problematic casting. Need to fix CameraMetadata. 1775 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1776 return false; 1777 } 1778 1779 int32_t requestId = resultExtras.requestId; 1780 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1781 &requestId, frameNumber)) { 1782 return false; 1783 } 1784 1785 if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) { 1786 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1787 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1788 &partialResult, frameNumber)) { 1789 return false; 1790 } 1791 } 1792 1793 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1794 &afMode, frameNumber)) { 1795 return false; 1796 } 1797 1798 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1799 &awbMode, frameNumber)) { 1800 return false; 1801 } 1802 1803 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1804 &aeState, frameNumber)) { 1805 return false; 1806 } 1807 1808 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1809 &afState, frameNumber)) { 1810 return false; 1811 } 1812 1813 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1814 &awbState, frameNumber)) { 1815 return false; 1816 } 1817 1818 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1819 &resultExtras.afTriggerId, frameNumber)) { 1820 return false; 1821 } 1822 1823 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1824 &resultExtras.precaptureTriggerId, frameNumber)) { 1825 return false; 1826 } 1827 1828 // We only send the aggregated partial when all 3A related metadata are available 1829 // For both API1 and API2. 1830 // TODO: we probably should pass through all partials to API2 unconditionally. 1831 mResultSignal.signal(); 1832 1833 return true; 1834} 1835 1836template<typename T> 1837bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1838 T* value, uint32_t frameNumber) { 1839 (void) frameNumber; 1840 1841 camera_metadata_ro_entry_t entry; 1842 1843 entry = result.find(tag); 1844 if (entry.count == 0) { 1845 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1846 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1847 return false; 1848 } 1849 1850 if (sizeof(T) == sizeof(uint8_t)) { 1851 *value = entry.data.u8[0]; 1852 } else if (sizeof(T) == sizeof(int32_t)) { 1853 *value = entry.data.i32[0]; 1854 } else { 1855 ALOGE("%s: Unexpected type", __FUNCTION__); 1856 return false; 1857 } 1858 return true; 1859} 1860 1861template<typename T> 1862bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1863 const T* value, uint32_t frameNumber) { 1864 if (result.update(tag, value, 1) != NO_ERROR) { 1865 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1866 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1867 frameNumber, get_camera_metadata_tag_name(tag)); 1868 return false; 1869 } 1870 return true; 1871} 1872 1873/** 1874 * Camera HAL device callback methods 1875 */ 1876 1877void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1878 ATRACE_CALL(); 1879 1880 status_t res; 1881 1882 uint32_t frameNumber = result->frame_number; 1883 if (result->result == NULL && result->num_output_buffers == 0 && 1884 result->input_buffer == NULL) { 1885 SET_ERR("No result data provided by HAL for frame %d", 1886 frameNumber); 1887 return; 1888 } 1889 1890 // For HAL3.2 or above, If HAL doesn't support partial, it must always set 1891 // partial_result to 1 when metadata is included in this result. 1892 if (!mUsePartialResult && 1893 mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && 1894 result->result != NULL && 1895 result->partial_result != 1) { 1896 SET_ERR("Result is malformed for frame %d: partial_result %u must be 1" 1897 " if partial result is not supported", 1898 frameNumber, result->partial_result); 1899 return; 1900 } 1901 1902 bool isPartialResult = false; 1903 CameraMetadata collectedPartialResult; 1904 CaptureResultExtras resultExtras; 1905 bool hasInputBufferInRequest = false; 1906 1907 // Get capture timestamp and resultExtras from list of in-flight requests, 1908 // where it was added by the shutter notification for this frame. 1909 // Then update the in-flight status and remove the in-flight entry if 1910 // all result data has been received. 1911 nsecs_t timestamp = 0; 1912 { 1913 Mutex::Autolock l(mInFlightLock); 1914 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1915 if (idx == NAME_NOT_FOUND) { 1916 SET_ERR("Unknown frame number for capture result: %d", 1917 frameNumber); 1918 return; 1919 } 1920 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1921 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1922 ", burstId = %" PRId32, 1923 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1924 request.resultExtras.burstId); 1925 // Always update the partial count to the latest one. When framework aggregates adjacent 1926 // partial results into one, the latest partial count will be used. 1927 request.resultExtras.partialResultCount = result->partial_result; 1928 1929 // Check if this result carries only partial metadata 1930 if (mUsePartialResult && result->result != NULL) { 1931 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 1932 if (result->partial_result > mNumPartialResults || result->partial_result < 1) { 1933 SET_ERR("Result is malformed for frame %d: partial_result %u must be in" 1934 " the range of [1, %d] when metadata is included in the result", 1935 frameNumber, result->partial_result, mNumPartialResults); 1936 return; 1937 } 1938 isPartialResult = (result->partial_result < mNumPartialResults); 1939 if (isPartialResult) { 1940 request.partialResult.collectedResult.append(result->result); 1941 } 1942 } else { 1943 camera_metadata_ro_entry_t partialResultEntry; 1944 res = find_camera_metadata_ro_entry(result->result, 1945 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1946 if (res != NAME_NOT_FOUND && 1947 partialResultEntry.count > 0 && 1948 partialResultEntry.data.u8[0] == 1949 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1950 // A partial result. Flag this as such, and collect this 1951 // set of metadata into the in-flight entry. 1952 isPartialResult = true; 1953 request.partialResult.collectedResult.append( 1954 result->result); 1955 request.partialResult.collectedResult.erase( 1956 ANDROID_QUIRKS_PARTIAL_RESULT); 1957 } 1958 } 1959 1960 if (isPartialResult) { 1961 // Fire off a 3A-only result if possible 1962 if (!request.partialResult.haveSent3A) { 1963 request.partialResult.haveSent3A = 1964 processPartial3AResult(frameNumber, 1965 request.partialResult.collectedResult, 1966 request.resultExtras); 1967 } 1968 } 1969 } 1970 1971 timestamp = request.captureTimestamp; 1972 resultExtras = request.resultExtras; 1973 hasInputBufferInRequest = request.hasInputBuffer; 1974 1975 /** 1976 * One of the following must happen before it's legal to call process_capture_result, 1977 * unless partial metadata is being provided: 1978 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1979 * - CAMERA3_MSG_ERROR (expected during flush) 1980 */ 1981 if (request.requestStatus == OK && timestamp == 0 && !isPartialResult) { 1982 SET_ERR("Called before shutter notify for frame %d", 1983 frameNumber); 1984 return; 1985 } 1986 1987 // Did we get the (final) result metadata for this capture? 1988 if (result->result != NULL && !isPartialResult) { 1989 if (request.haveResultMetadata) { 1990 SET_ERR("Called multiple times with metadata for frame %d", 1991 frameNumber); 1992 return; 1993 } 1994 if (mUsePartialResult && 1995 !request.partialResult.collectedResult.isEmpty()) { 1996 collectedPartialResult.acquire( 1997 request.partialResult.collectedResult); 1998 } 1999 request.haveResultMetadata = true; 2000 } 2001 2002 uint32_t numBuffersReturned = result->num_output_buffers; 2003 if (result->input_buffer != NULL) { 2004 if (hasInputBufferInRequest) { 2005 numBuffersReturned += 1; 2006 } else { 2007 ALOGW("%s: Input buffer should be NULL if there is no input" 2008 " buffer sent in the request", 2009 __FUNCTION__); 2010 } 2011 } 2012 request.numBuffersLeft -= numBuffersReturned; 2013 if (request.numBuffersLeft < 0) { 2014 SET_ERR("Too many buffers returned for frame %d", 2015 frameNumber); 2016 return; 2017 } 2018 2019 // Check if everything has arrived for this result (buffers and metadata), remove it from 2020 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 2021 if ((request.requestStatus != OK) || 2022 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 2023 ATRACE_ASYNC_END("frame capture", frameNumber); 2024 mInFlightMap.removeItemsAt(idx, 1); 2025 } 2026 2027 // Sanity check - if we have too many in-flight frames, something has 2028 // likely gone wrong 2029 if (mInFlightMap.size() > kInFlightWarnLimit) { 2030 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 2031 } 2032 2033 } 2034 2035 // Process the result metadata, if provided 2036 bool gotResult = false; 2037 if (result->result != NULL && !isPartialResult) { 2038 Mutex::Autolock l(mOutputLock); 2039 2040 gotResult = true; 2041 2042 // TODO: need to track errors for tighter bounds on expected frame number 2043 if (frameNumber < mNextResultFrameNumber) { 2044 SET_ERR("Out-of-order capture result metadata submitted! " 2045 "(got frame number %d, expecting %d)", 2046 frameNumber, mNextResultFrameNumber); 2047 return; 2048 } 2049 mNextResultFrameNumber = frameNumber + 1; 2050 2051 CaptureResult captureResult; 2052 captureResult.mResultExtras = resultExtras; 2053 captureResult.mMetadata = result->result; 2054 2055 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 2056 (int32_t*)&frameNumber, 1) != OK) { 2057 SET_ERR("Failed to set frame# in metadata (%d)", 2058 frameNumber); 2059 gotResult = false; 2060 } else { 2061 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 2062 __FUNCTION__, mId, frameNumber); 2063 } 2064 2065 // Append any previous partials to form a complete result 2066 if (mUsePartialResult && !collectedPartialResult.isEmpty()) { 2067 captureResult.mMetadata.append(collectedPartialResult); 2068 } 2069 2070 captureResult.mMetadata.sort(); 2071 2072 // Check that there's a timestamp in the result metadata 2073 2074 camera_metadata_entry entry = 2075 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 2076 if (entry.count == 0) { 2077 SET_ERR("No timestamp provided by HAL for frame %d!", 2078 frameNumber); 2079 gotResult = false; 2080 } else if (timestamp != entry.data.i64[0]) { 2081 SET_ERR("Timestamp mismatch between shutter notify and result" 2082 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 2083 frameNumber, timestamp, entry.data.i64[0]); 2084 gotResult = false; 2085 } 2086 2087 if (gotResult) { 2088 // Valid result, insert into queue 2089 List<CaptureResult>::iterator queuedResult = 2090 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 2091 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 2092 ", burstId = %" PRId32, __FUNCTION__, 2093 queuedResult->mResultExtras.requestId, 2094 queuedResult->mResultExtras.frameNumber, 2095 queuedResult->mResultExtras.burstId); 2096 } 2097 } // scope for mOutputLock 2098 2099 // Return completed buffers to their streams with the timestamp 2100 2101 for (size_t i = 0; i < result->num_output_buffers; i++) { 2102 Camera3Stream *stream = 2103 Camera3Stream::cast(result->output_buffers[i].stream); 2104 res = stream->returnBuffer(result->output_buffers[i], timestamp); 2105 // Note: stream may be deallocated at this point, if this buffer was the 2106 // last reference to it. 2107 if (res != OK) { 2108 ALOGE("Can't return buffer %zu for frame %d to its stream: " 2109 " %s (%d)", i, frameNumber, strerror(-res), res); 2110 } 2111 } 2112 2113 if (result->input_buffer != NULL) { 2114 if (hasInputBufferInRequest) { 2115 Camera3Stream *stream = 2116 Camera3Stream::cast(result->input_buffer->stream); 2117 res = stream->returnInputBuffer(*(result->input_buffer)); 2118 // Note: stream may be deallocated at this point, if this buffer was the 2119 // last reference to it. 2120 if (res != OK) { 2121 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 2122 " its stream:%s (%d)", __FUNCTION__, 2123 frameNumber, strerror(-res), res); 2124 } 2125 } else { 2126 ALOGW("%s: Input buffer should be NULL if there is no input" 2127 " buffer sent in the request, skipping input buffer return.", 2128 __FUNCTION__); 2129 } 2130 } 2131 2132 // Finally, signal any waiters for new frames 2133 2134 if (gotResult) { 2135 mResultSignal.signal(); 2136 } 2137 2138} 2139 2140void Camera3Device::notify(const camera3_notify_msg *msg) { 2141 ATRACE_CALL(); 2142 NotificationListener *listener; 2143 { 2144 Mutex::Autolock l(mOutputLock); 2145 listener = mListener; 2146 } 2147 2148 if (msg == NULL) { 2149 SET_ERR("HAL sent NULL notify message!"); 2150 return; 2151 } 2152 2153 switch (msg->type) { 2154 case CAMERA3_MSG_ERROR: { 2155 notifyError(msg->message.error, listener); 2156 break; 2157 } 2158 case CAMERA3_MSG_SHUTTER: { 2159 notifyShutter(msg->message.shutter, listener); 2160 break; 2161 } 2162 default: 2163 SET_ERR("Unknown notify message from HAL: %d", 2164 msg->type); 2165 } 2166} 2167 2168void Camera3Device::notifyError(const camera3_error_msg_t &msg, 2169 NotificationListener *listener) { 2170 2171 // Map camera HAL error codes to ICameraDeviceCallback error codes 2172 // Index into this with the HAL error code 2173 static const ICameraDeviceCallbacks::CameraErrorCode 2174 halErrorMap[CAMERA3_MSG_NUM_ERRORS] = { 2175 // 0 = Unused error code 2176 ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR, 2177 // 1 = CAMERA3_MSG_ERROR_DEVICE 2178 ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 2179 // 2 = CAMERA3_MSG_ERROR_REQUEST 2180 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2181 // 3 = CAMERA3_MSG_ERROR_RESULT 2182 ICameraDeviceCallbacks::ERROR_CAMERA_RESULT, 2183 // 4 = CAMERA3_MSG_ERROR_BUFFER 2184 ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER 2185 }; 2186 2187 ICameraDeviceCallbacks::CameraErrorCode errorCode = 2188 ((msg.error_code >= 0) && 2189 (msg.error_code < CAMERA3_MSG_NUM_ERRORS)) ? 2190 halErrorMap[msg.error_code] : 2191 ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR; 2192 2193 int streamId = 0; 2194 if (msg.error_stream != NULL) { 2195 Camera3Stream *stream = 2196 Camera3Stream::cast(msg.error_stream); 2197 streamId = stream->getId(); 2198 } 2199 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 2200 mId, __FUNCTION__, msg.frame_number, 2201 streamId, msg.error_code); 2202 2203 CaptureResultExtras resultExtras; 2204 switch (errorCode) { 2205 case ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE: 2206 // SET_ERR calls notifyError 2207 SET_ERR("Camera HAL reported serious device error"); 2208 break; 2209 case ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST: 2210 case ICameraDeviceCallbacks::ERROR_CAMERA_RESULT: 2211 case ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER: 2212 { 2213 Mutex::Autolock l(mInFlightLock); 2214 ssize_t idx = mInFlightMap.indexOfKey(msg.frame_number); 2215 if (idx >= 0) { 2216 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2217 r.requestStatus = msg.error_code; 2218 resultExtras = r.resultExtras; 2219 } else { 2220 resultExtras.frameNumber = msg.frame_number; 2221 ALOGE("Camera %d: %s: cannot find in-flight request on " 2222 "frame %" PRId64 " error", mId, __FUNCTION__, 2223 resultExtras.frameNumber); 2224 } 2225 } 2226 if (listener != NULL) { 2227 listener->notifyError(errorCode, resultExtras); 2228 } else { 2229 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 2230 } 2231 break; 2232 default: 2233 // SET_ERR calls notifyError 2234 SET_ERR("Unknown error message from HAL: %d", msg.error_code); 2235 break; 2236 } 2237} 2238 2239void Camera3Device::notifyShutter(const camera3_shutter_msg_t &msg, 2240 NotificationListener *listener) { 2241 ssize_t idx; 2242 // Verify ordering of shutter notifications 2243 { 2244 Mutex::Autolock l(mOutputLock); 2245 // TODO: need to track errors for tighter bounds on expected frame number. 2246 if (msg.frame_number < mNextShutterFrameNumber) { 2247 SET_ERR("Shutter notification out-of-order. Expected " 2248 "notification for frame %d, got frame %d", 2249 mNextShutterFrameNumber, msg.frame_number); 2250 return; 2251 } 2252 mNextShutterFrameNumber = msg.frame_number + 1; 2253 } 2254 2255 CaptureResultExtras resultExtras; 2256 2257 // Set timestamp for the request in the in-flight tracking 2258 // and get the request ID to send upstream 2259 { 2260 Mutex::Autolock l(mInFlightLock); 2261 idx = mInFlightMap.indexOfKey(msg.frame_number); 2262 if (idx >= 0) { 2263 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2264 r.captureTimestamp = msg.timestamp; 2265 resultExtras = r.resultExtras; 2266 } 2267 } 2268 if (idx < 0) { 2269 SET_ERR("Shutter notification for non-existent frame number %d", 2270 msg.frame_number); 2271 return; 2272 } 2273 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2274 mId, __FUNCTION__, 2275 msg.frame_number, resultExtras.requestId, msg.timestamp); 2276 // Call listener, if any 2277 if (listener != NULL) { 2278 listener->notifyShutter(resultExtras, msg.timestamp); 2279 } 2280} 2281 2282 2283CameraMetadata Camera3Device::getLatestRequestLocked() { 2284 ALOGV("%s", __FUNCTION__); 2285 2286 CameraMetadata retVal; 2287 2288 if (mRequestThread != NULL) { 2289 retVal = mRequestThread->getLatestRequest(); 2290 } 2291 2292 return retVal; 2293} 2294 2295 2296/** 2297 * RequestThread inner class methods 2298 */ 2299 2300Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2301 sp<StatusTracker> statusTracker, 2302 camera3_device_t *hal3Device) : 2303 Thread(false), 2304 mParent(parent), 2305 mStatusTracker(statusTracker), 2306 mHal3Device(hal3Device), 2307 mId(getId(parent)), 2308 mReconfigured(false), 2309 mDoPause(false), 2310 mPaused(true), 2311 mFrameNumber(0), 2312 mLatestRequestId(NAME_NOT_FOUND), 2313 mCurrentAfTriggerId(0), 2314 mCurrentPreCaptureTriggerId(0), 2315 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2316 mStatusId = statusTracker->addComponent(); 2317} 2318 2319void Camera3Device::RequestThread::setNotifyCallback( 2320 NotificationListener *listener) { 2321 Mutex::Autolock l(mRequestLock); 2322 mListener = listener; 2323} 2324 2325void Camera3Device::RequestThread::configurationComplete() { 2326 Mutex::Autolock l(mRequestLock); 2327 mReconfigured = true; 2328} 2329 2330status_t Camera3Device::RequestThread::queueRequestList( 2331 List<sp<CaptureRequest> > &requests, 2332 /*out*/ 2333 int64_t *lastFrameNumber) { 2334 Mutex::Autolock l(mRequestLock); 2335 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2336 ++it) { 2337 mRequestQueue.push_back(*it); 2338 } 2339 2340 if (lastFrameNumber != NULL) { 2341 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2342 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2343 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2344 *lastFrameNumber); 2345 } 2346 2347 unpauseForNewRequests(); 2348 2349 return OK; 2350} 2351 2352 2353status_t Camera3Device::RequestThread::queueTrigger( 2354 RequestTrigger trigger[], 2355 size_t count) { 2356 2357 Mutex::Autolock l(mTriggerMutex); 2358 status_t ret; 2359 2360 for (size_t i = 0; i < count; ++i) { 2361 ret = queueTriggerLocked(trigger[i]); 2362 2363 if (ret != OK) { 2364 return ret; 2365 } 2366 } 2367 2368 return OK; 2369} 2370 2371int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2372 sp<Camera3Device> d = device.promote(); 2373 if (d != NULL) return d->mId; 2374 return 0; 2375} 2376 2377status_t Camera3Device::RequestThread::queueTriggerLocked( 2378 RequestTrigger trigger) { 2379 2380 uint32_t tag = trigger.metadataTag; 2381 ssize_t index = mTriggerMap.indexOfKey(tag); 2382 2383 switch (trigger.getTagType()) { 2384 case TYPE_BYTE: 2385 // fall-through 2386 case TYPE_INT32: 2387 break; 2388 default: 2389 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2390 trigger.getTagType()); 2391 return INVALID_OPERATION; 2392 } 2393 2394 /** 2395 * Collect only the latest trigger, since we only have 1 field 2396 * in the request settings per trigger tag, and can't send more than 1 2397 * trigger per request. 2398 */ 2399 if (index != NAME_NOT_FOUND) { 2400 mTriggerMap.editValueAt(index) = trigger; 2401 } else { 2402 mTriggerMap.add(tag, trigger); 2403 } 2404 2405 return OK; 2406} 2407 2408status_t Camera3Device::RequestThread::setRepeatingRequests( 2409 const RequestList &requests, 2410 /*out*/ 2411 int64_t *lastFrameNumber) { 2412 Mutex::Autolock l(mRequestLock); 2413 if (lastFrameNumber != NULL) { 2414 *lastFrameNumber = mRepeatingLastFrameNumber; 2415 } 2416 mRepeatingRequests.clear(); 2417 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2418 requests.begin(), requests.end()); 2419 2420 unpauseForNewRequests(); 2421 2422 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2423 return OK; 2424} 2425 2426bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2427 if (mRepeatingRequests.empty()) { 2428 return false; 2429 } 2430 int32_t requestId = requestIn->mResultExtras.requestId; 2431 const RequestList &repeatRequests = mRepeatingRequests; 2432 // All repeating requests are guaranteed to have same id so only check first quest 2433 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2434 return (firstRequest->mResultExtras.requestId == requestId); 2435} 2436 2437status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2438 Mutex::Autolock l(mRequestLock); 2439 mRepeatingRequests.clear(); 2440 if (lastFrameNumber != NULL) { 2441 *lastFrameNumber = mRepeatingLastFrameNumber; 2442 } 2443 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2444 return OK; 2445} 2446 2447status_t Camera3Device::RequestThread::clear( 2448 NotificationListener *listener, 2449 /*out*/int64_t *lastFrameNumber) { 2450 Mutex::Autolock l(mRequestLock); 2451 ALOGV("RequestThread::%s:", __FUNCTION__); 2452 2453 mRepeatingRequests.clear(); 2454 2455 // Send errors for all requests pending in the request queue, including 2456 // pending repeating requests 2457 if (listener != NULL) { 2458 for (RequestList::iterator it = mRequestQueue.begin(); 2459 it != mRequestQueue.end(); ++it) { 2460 // Set the frame number this request would have had, if it 2461 // had been submitted; this frame number will not be reused. 2462 // The requestId and burstId fields were set when the request was 2463 // submitted originally (in convertMetadataListToRequestListLocked) 2464 (*it)->mResultExtras.frameNumber = mFrameNumber++; 2465 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2466 (*it)->mResultExtras); 2467 } 2468 } 2469 mRequestQueue.clear(); 2470 mTriggerMap.clear(); 2471 if (lastFrameNumber != NULL) { 2472 *lastFrameNumber = mRepeatingLastFrameNumber; 2473 } 2474 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2475 return OK; 2476} 2477 2478void Camera3Device::RequestThread::setPaused(bool paused) { 2479 Mutex::Autolock l(mPauseLock); 2480 mDoPause = paused; 2481 mDoPauseSignal.signal(); 2482} 2483 2484status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2485 int32_t requestId, nsecs_t timeout) { 2486 Mutex::Autolock l(mLatestRequestMutex); 2487 status_t res; 2488 while (mLatestRequestId != requestId) { 2489 nsecs_t startTime = systemTime(); 2490 2491 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2492 if (res != OK) return res; 2493 2494 timeout -= (systemTime() - startTime); 2495 } 2496 2497 return OK; 2498} 2499 2500void Camera3Device::RequestThread::requestExit() { 2501 // Call parent to set up shutdown 2502 Thread::requestExit(); 2503 // The exit from any possible waits 2504 mDoPauseSignal.signal(); 2505 mRequestSignal.signal(); 2506} 2507 2508bool Camera3Device::RequestThread::threadLoop() { 2509 2510 status_t res; 2511 2512 // Handle paused state. 2513 if (waitIfPaused()) { 2514 return true; 2515 } 2516 2517 // Get work to do 2518 2519 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2520 if (nextRequest == NULL) { 2521 return true; 2522 } 2523 2524 // Create request to HAL 2525 camera3_capture_request_t request = camera3_capture_request_t(); 2526 request.frame_number = nextRequest->mResultExtras.frameNumber; 2527 Vector<camera3_stream_buffer_t> outputBuffers; 2528 2529 // Get the request ID, if any 2530 int requestId; 2531 camera_metadata_entry_t requestIdEntry = 2532 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2533 if (requestIdEntry.count > 0) { 2534 requestId = requestIdEntry.data.i32[0]; 2535 } else { 2536 ALOGW("%s: Did not have android.request.id set in the request", 2537 __FUNCTION__); 2538 requestId = NAME_NOT_FOUND; 2539 } 2540 2541 // Insert any queued triggers (before metadata is locked) 2542 int32_t triggerCount; 2543 res = insertTriggers(nextRequest); 2544 if (res < 0) { 2545 SET_ERR("RequestThread: Unable to insert triggers " 2546 "(capture request %d, HAL device: %s (%d)", 2547 request.frame_number, strerror(-res), res); 2548 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2549 return false; 2550 } 2551 triggerCount = res; 2552 2553 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2554 2555 // If the request is the same as last, or we had triggers last time 2556 if (mPrevRequest != nextRequest || triggersMixedIn) { 2557 /** 2558 * HAL workaround: 2559 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2560 */ 2561 res = addDummyTriggerIds(nextRequest); 2562 if (res != OK) { 2563 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2564 "(capture request %d, HAL device: %s (%d)", 2565 request.frame_number, strerror(-res), res); 2566 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2567 return false; 2568 } 2569 2570 /** 2571 * The request should be presorted so accesses in HAL 2572 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2573 */ 2574 nextRequest->mSettings.sort(); 2575 request.settings = nextRequest->mSettings.getAndLock(); 2576 mPrevRequest = nextRequest; 2577 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2578 2579 IF_ALOGV() { 2580 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2581 find_camera_metadata_ro_entry( 2582 request.settings, 2583 ANDROID_CONTROL_AF_TRIGGER, 2584 &e 2585 ); 2586 if (e.count > 0) { 2587 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2588 __FUNCTION__, 2589 request.frame_number, 2590 e.data.u8[0]); 2591 } 2592 } 2593 } else { 2594 // leave request.settings NULL to indicate 'reuse latest given' 2595 ALOGVV("%s: Request settings are REUSED", 2596 __FUNCTION__); 2597 } 2598 2599 camera3_stream_buffer_t inputBuffer; 2600 uint32_t totalNumBuffers = 0; 2601 2602 // Fill in buffers 2603 2604 if (nextRequest->mInputStream != NULL) { 2605 request.input_buffer = &inputBuffer; 2606 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2607 if (res != OK) { 2608 // Can't get input buffer from gralloc queue - this could be due to 2609 // disconnected queue or other producer misbehavior, so not a fatal 2610 // error 2611 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2612 " %s (%d)", strerror(-res), res); 2613 Mutex::Autolock l(mRequestLock); 2614 if (mListener != NULL) { 2615 mListener->notifyError( 2616 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2617 nextRequest->mResultExtras); 2618 } 2619 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2620 return true; 2621 } 2622 totalNumBuffers += 1; 2623 } else { 2624 request.input_buffer = NULL; 2625 } 2626 2627 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2628 nextRequest->mOutputStreams.size()); 2629 request.output_buffers = outputBuffers.array(); 2630 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2631 res = nextRequest->mOutputStreams.editItemAt(i)-> 2632 getBuffer(&outputBuffers.editItemAt(i)); 2633 if (res != OK) { 2634 // Can't get output buffer from gralloc queue - this could be due to 2635 // abandoned queue or other consumer misbehavior, so not a fatal 2636 // error 2637 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2638 " %s (%d)", strerror(-res), res); 2639 Mutex::Autolock l(mRequestLock); 2640 if (mListener != NULL) { 2641 mListener->notifyError( 2642 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2643 nextRequest->mResultExtras); 2644 } 2645 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2646 return true; 2647 } 2648 request.num_output_buffers++; 2649 } 2650 totalNumBuffers += request.num_output_buffers; 2651 2652 // Log request in the in-flight queue 2653 sp<Camera3Device> parent = mParent.promote(); 2654 if (parent == NULL) { 2655 // Should not happen, and nowhere to send errors to, so just log it 2656 CLOGE("RequestThread: Parent is gone"); 2657 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2658 return false; 2659 } 2660 2661 res = parent->registerInFlight(request.frame_number, 2662 totalNumBuffers, nextRequest->mResultExtras, 2663 /*hasInput*/request.input_buffer != NULL); 2664 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2665 ", burstId = %" PRId32 ".", 2666 __FUNCTION__, 2667 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2668 nextRequest->mResultExtras.burstId); 2669 if (res != OK) { 2670 SET_ERR("RequestThread: Unable to register new in-flight request:" 2671 " %s (%d)", strerror(-res), res); 2672 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2673 return false; 2674 } 2675 2676 // Inform waitUntilRequestProcessed thread of a new request ID 2677 { 2678 Mutex::Autolock al(mLatestRequestMutex); 2679 2680 mLatestRequestId = requestId; 2681 mLatestRequestSignal.signal(); 2682 } 2683 2684 // Submit request and block until ready for next one 2685 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2686 ATRACE_BEGIN("camera3->process_capture_request"); 2687 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2688 ATRACE_END(); 2689 2690 if (res != OK) { 2691 // Should only get a failure here for malformed requests or device-level 2692 // errors, so consider all errors fatal. Bad metadata failures should 2693 // come through notify. 2694 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2695 " device: %s (%d)", request.frame_number, strerror(-res), res); 2696 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2697 return false; 2698 } 2699 2700 // Update the latest request sent to HAL 2701 if (request.settings != NULL) { // Don't update them if they were unchanged 2702 Mutex::Autolock al(mLatestRequestMutex); 2703 2704 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2705 mLatestRequest.acquire(cloned); 2706 } 2707 2708 if (request.settings != NULL) { 2709 nextRequest->mSettings.unlock(request.settings); 2710 } 2711 2712 // Remove any previously queued triggers (after unlock) 2713 res = removeTriggers(mPrevRequest); 2714 if (res != OK) { 2715 SET_ERR("RequestThread: Unable to remove triggers " 2716 "(capture request %d, HAL device: %s (%d)", 2717 request.frame_number, strerror(-res), res); 2718 return false; 2719 } 2720 mPrevTriggers = triggerCount; 2721 2722 return true; 2723} 2724 2725CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2726 Mutex::Autolock al(mLatestRequestMutex); 2727 2728 ALOGV("RequestThread::%s", __FUNCTION__); 2729 2730 return mLatestRequest; 2731} 2732 2733 2734void Camera3Device::RequestThread::cleanUpFailedRequest( 2735 camera3_capture_request_t &request, 2736 sp<CaptureRequest> &nextRequest, 2737 Vector<camera3_stream_buffer_t> &outputBuffers) { 2738 2739 if (request.settings != NULL) { 2740 nextRequest->mSettings.unlock(request.settings); 2741 } 2742 if (request.input_buffer != NULL) { 2743 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2744 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2745 } 2746 for (size_t i = 0; i < request.num_output_buffers; i++) { 2747 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2748 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2749 outputBuffers[i], 0); 2750 } 2751} 2752 2753sp<Camera3Device::CaptureRequest> 2754 Camera3Device::RequestThread::waitForNextRequest() { 2755 status_t res; 2756 sp<CaptureRequest> nextRequest; 2757 2758 // Optimized a bit for the simple steady-state case (single repeating 2759 // request), to avoid putting that request in the queue temporarily. 2760 Mutex::Autolock l(mRequestLock); 2761 2762 while (mRequestQueue.empty()) { 2763 if (!mRepeatingRequests.empty()) { 2764 // Always atomically enqueue all requests in a repeating request 2765 // list. Guarantees a complete in-sequence set of captures to 2766 // application. 2767 const RequestList &requests = mRepeatingRequests; 2768 RequestList::const_iterator firstRequest = 2769 requests.begin(); 2770 nextRequest = *firstRequest; 2771 mRequestQueue.insert(mRequestQueue.end(), 2772 ++firstRequest, 2773 requests.end()); 2774 // No need to wait any longer 2775 2776 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2777 2778 break; 2779 } 2780 2781 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2782 2783 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2784 exitPending()) { 2785 Mutex::Autolock pl(mPauseLock); 2786 if (mPaused == false) { 2787 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2788 mPaused = true; 2789 // Let the tracker know 2790 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2791 if (statusTracker != 0) { 2792 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2793 } 2794 } 2795 // Stop waiting for now and let thread management happen 2796 return NULL; 2797 } 2798 } 2799 2800 if (nextRequest == NULL) { 2801 // Don't have a repeating request already in hand, so queue 2802 // must have an entry now. 2803 RequestList::iterator firstRequest = 2804 mRequestQueue.begin(); 2805 nextRequest = *firstRequest; 2806 mRequestQueue.erase(firstRequest); 2807 } 2808 2809 // In case we've been unpaused by setPaused clearing mDoPause, need to 2810 // update internal pause state (capture/setRepeatingRequest unpause 2811 // directly). 2812 Mutex::Autolock pl(mPauseLock); 2813 if (mPaused) { 2814 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2815 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2816 if (statusTracker != 0) { 2817 statusTracker->markComponentActive(mStatusId); 2818 } 2819 } 2820 mPaused = false; 2821 2822 // Check if we've reconfigured since last time, and reset the preview 2823 // request if so. Can't use 'NULL request == repeat' across configure calls. 2824 if (mReconfigured) { 2825 mPrevRequest.clear(); 2826 mReconfigured = false; 2827 } 2828 2829 if (nextRequest != NULL) { 2830 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2831 nextRequest->mResultExtras.afTriggerId = mCurrentAfTriggerId; 2832 nextRequest->mResultExtras.precaptureTriggerId = mCurrentPreCaptureTriggerId; 2833 } 2834 return nextRequest; 2835} 2836 2837bool Camera3Device::RequestThread::waitIfPaused() { 2838 status_t res; 2839 Mutex::Autolock l(mPauseLock); 2840 while (mDoPause) { 2841 if (mPaused == false) { 2842 mPaused = true; 2843 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2844 // Let the tracker know 2845 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2846 if (statusTracker != 0) { 2847 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2848 } 2849 } 2850 2851 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2852 if (res == TIMED_OUT || exitPending()) { 2853 return true; 2854 } 2855 } 2856 // We don't set mPaused to false here, because waitForNextRequest needs 2857 // to further manage the paused state in case of starvation. 2858 return false; 2859} 2860 2861void Camera3Device::RequestThread::unpauseForNewRequests() { 2862 // With work to do, mark thread as unpaused. 2863 // If paused by request (setPaused), don't resume, to avoid 2864 // extra signaling/waiting overhead to waitUntilPaused 2865 mRequestSignal.signal(); 2866 Mutex::Autolock p(mPauseLock); 2867 if (!mDoPause) { 2868 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2869 if (mPaused) { 2870 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2871 if (statusTracker != 0) { 2872 statusTracker->markComponentActive(mStatusId); 2873 } 2874 } 2875 mPaused = false; 2876 } 2877} 2878 2879void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2880 sp<Camera3Device> parent = mParent.promote(); 2881 if (parent != NULL) { 2882 va_list args; 2883 va_start(args, fmt); 2884 2885 parent->setErrorStateV(fmt, args); 2886 2887 va_end(args); 2888 } 2889} 2890 2891status_t Camera3Device::RequestThread::insertTriggers( 2892 const sp<CaptureRequest> &request) { 2893 2894 Mutex::Autolock al(mTriggerMutex); 2895 2896 sp<Camera3Device> parent = mParent.promote(); 2897 if (parent == NULL) { 2898 CLOGE("RequestThread: Parent is gone"); 2899 return DEAD_OBJECT; 2900 } 2901 2902 CameraMetadata &metadata = request->mSettings; 2903 size_t count = mTriggerMap.size(); 2904 2905 for (size_t i = 0; i < count; ++i) { 2906 RequestTrigger trigger = mTriggerMap.valueAt(i); 2907 uint32_t tag = trigger.metadataTag; 2908 2909 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2910 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2911 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2912 if (isAeTrigger) { 2913 request->mResultExtras.precaptureTriggerId = triggerId; 2914 mCurrentPreCaptureTriggerId = triggerId; 2915 } else { 2916 request->mResultExtras.afTriggerId = triggerId; 2917 mCurrentAfTriggerId = triggerId; 2918 } 2919 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2920 continue; // Trigger ID tag is deprecated since device HAL 3.2 2921 } 2922 } 2923 2924 camera_metadata_entry entry = metadata.find(tag); 2925 2926 if (entry.count > 0) { 2927 /** 2928 * Already has an entry for this trigger in the request. 2929 * Rewrite it with our requested trigger value. 2930 */ 2931 RequestTrigger oldTrigger = trigger; 2932 2933 oldTrigger.entryValue = entry.data.u8[0]; 2934 2935 mTriggerReplacedMap.add(tag, oldTrigger); 2936 } else { 2937 /** 2938 * More typical, no trigger entry, so we just add it 2939 */ 2940 mTriggerRemovedMap.add(tag, trigger); 2941 } 2942 2943 status_t res; 2944 2945 switch (trigger.getTagType()) { 2946 case TYPE_BYTE: { 2947 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2948 res = metadata.update(tag, 2949 &entryValue, 2950 /*count*/1); 2951 break; 2952 } 2953 case TYPE_INT32: 2954 res = metadata.update(tag, 2955 &trigger.entryValue, 2956 /*count*/1); 2957 break; 2958 default: 2959 ALOGE("%s: Type not supported: 0x%x", 2960 __FUNCTION__, 2961 trigger.getTagType()); 2962 return INVALID_OPERATION; 2963 } 2964 2965 if (res != OK) { 2966 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2967 ", value %d", __FUNCTION__, trigger.getTagName(), 2968 trigger.entryValue); 2969 return res; 2970 } 2971 2972 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2973 trigger.getTagName(), 2974 trigger.entryValue); 2975 } 2976 2977 mTriggerMap.clear(); 2978 2979 return count; 2980} 2981 2982status_t Camera3Device::RequestThread::removeTriggers( 2983 const sp<CaptureRequest> &request) { 2984 Mutex::Autolock al(mTriggerMutex); 2985 2986 CameraMetadata &metadata = request->mSettings; 2987 2988 /** 2989 * Replace all old entries with their old values. 2990 */ 2991 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2992 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2993 2994 status_t res; 2995 2996 uint32_t tag = trigger.metadataTag; 2997 switch (trigger.getTagType()) { 2998 case TYPE_BYTE: { 2999 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 3000 res = metadata.update(tag, 3001 &entryValue, 3002 /*count*/1); 3003 break; 3004 } 3005 case TYPE_INT32: 3006 res = metadata.update(tag, 3007 &trigger.entryValue, 3008 /*count*/1); 3009 break; 3010 default: 3011 ALOGE("%s: Type not supported: 0x%x", 3012 __FUNCTION__, 3013 trigger.getTagType()); 3014 return INVALID_OPERATION; 3015 } 3016 3017 if (res != OK) { 3018 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 3019 ", trigger value %d", __FUNCTION__, 3020 trigger.getTagName(), trigger.entryValue); 3021 return res; 3022 } 3023 } 3024 mTriggerReplacedMap.clear(); 3025 3026 /** 3027 * Remove all new entries. 3028 */ 3029 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 3030 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 3031 status_t res = metadata.erase(trigger.metadataTag); 3032 3033 if (res != OK) { 3034 ALOGE("%s: Failed to erase metadata with trigger tag %s" 3035 ", trigger value %d", __FUNCTION__, 3036 trigger.getTagName(), trigger.entryValue); 3037 return res; 3038 } 3039 } 3040 mTriggerRemovedMap.clear(); 3041 3042 return OK; 3043} 3044 3045status_t Camera3Device::RequestThread::addDummyTriggerIds( 3046 const sp<CaptureRequest> &request) { 3047 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 3048 static const int32_t dummyTriggerId = 1; 3049 status_t res; 3050 3051 CameraMetadata &metadata = request->mSettings; 3052 3053 // If AF trigger is active, insert a dummy AF trigger ID if none already 3054 // exists 3055 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 3056 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 3057 if (afTrigger.count > 0 && 3058 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 3059 afId.count == 0) { 3060 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 3061 if (res != OK) return res; 3062 } 3063 3064 // If AE precapture trigger is active, insert a dummy precapture trigger ID 3065 // if none already exists 3066 camera_metadata_entry pcTrigger = 3067 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 3068 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 3069 if (pcTrigger.count > 0 && 3070 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 3071 pcId.count == 0) { 3072 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 3073 &dummyTriggerId, 1); 3074 if (res != OK) return res; 3075 } 3076 3077 return OK; 3078} 3079 3080 3081/** 3082 * Static callback forwarding methods from HAL to instance 3083 */ 3084 3085void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 3086 const camera3_capture_result *result) { 3087 Camera3Device *d = 3088 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 3089 d->processCaptureResult(result); 3090} 3091 3092void Camera3Device::sNotify(const camera3_callback_ops *cb, 3093 const camera3_notify_msg *msg) { 3094 Camera3Device *d = 3095 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 3096 d->notify(msg); 3097} 3098 3099}; // namespace android 3100