Camera3Device.cpp revision 0a21051b91c2e07e49eb6fa568c505aee967ab9d
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "Camera3-Device" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20//#define LOG_NNDEBUG 0 // Per-frame verbose logging 21 22#ifdef LOG_NNDEBUG 23#define ALOGVV(...) ALOGV(__VA_ARGS__) 24#else 25#define ALOGVV(...) ((void)0) 26#endif 27 28// Convenience macro for transient errors 29#define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ 30 ##__VA_ARGS__) 31 32// Convenience macros for transitioning to the error state 33#define SET_ERR(fmt, ...) setErrorState( \ 34 "%s: " fmt, __FUNCTION__, \ 35 ##__VA_ARGS__) 36#define SET_ERR_L(fmt, ...) setErrorStateLocked( \ 37 "%s: " fmt, __FUNCTION__, \ 38 ##__VA_ARGS__) 39 40#include <inttypes.h> 41 42#include <utils/Log.h> 43#include <utils/Trace.h> 44#include <utils/Timers.h> 45 46#include "utils/CameraTraces.h" 47#include "device3/Camera3Device.h" 48#include "device3/Camera3OutputStream.h" 49#include "device3/Camera3InputStream.h" 50#include "device3/Camera3ZslStream.h" 51 52using namespace android::camera3; 53 54namespace android { 55 56Camera3Device::Camera3Device(int id): 57 mId(id), 58 mHal3Device(NULL), 59 mStatus(STATUS_UNINITIALIZED), 60 mUsePartialResult(false), 61 mNumPartialResults(1), 62 mNextResultFrameNumber(0), 63 mNextShutterFrameNumber(0), 64 mListener(NULL) 65{ 66 ATRACE_CALL(); 67 camera3_callback_ops::notify = &sNotify; 68 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 69 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 70} 71 72Camera3Device::~Camera3Device() 73{ 74 ATRACE_CALL(); 75 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 76 disconnect(); 77} 78 79int Camera3Device::getId() const { 80 return mId; 81} 82 83/** 84 * CameraDeviceBase interface 85 */ 86 87status_t Camera3Device::initialize(camera_module_t *module) 88{ 89 ATRACE_CALL(); 90 Mutex::Autolock il(mInterfaceLock); 91 Mutex::Autolock l(mLock); 92 93 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 94 if (mStatus != STATUS_UNINITIALIZED) { 95 CLOGE("Already initialized!"); 96 return INVALID_OPERATION; 97 } 98 99 /** Open HAL device */ 100 101 status_t res; 102 String8 deviceName = String8::format("%d", mId); 103 104 camera3_device_t *device; 105 106 ATRACE_BEGIN("camera3->open"); 107 res = module->common.methods->open(&module->common, deviceName.string(), 108 reinterpret_cast<hw_device_t**>(&device)); 109 ATRACE_END(); 110 111 if (res != OK) { 112 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 113 return res; 114 } 115 116 /** Cross-check device version */ 117 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 118 SET_ERR_L("Could not open camera: " 119 "Camera device should be at least %x, reports %x instead", 120 CAMERA_DEVICE_API_VERSION_3_0, 121 device->common.version); 122 device->common.close(&device->common); 123 return BAD_VALUE; 124 } 125 126 camera_info info; 127 res = module->get_camera_info(mId, &info); 128 if (res != OK) return res; 129 130 if (info.device_version != device->common.version) { 131 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 132 " and device version (%x).", 133 info.device_version, device->common.version); 134 device->common.close(&device->common); 135 return BAD_VALUE; 136 } 137 138 /** Initialize device with callback functions */ 139 140 ATRACE_BEGIN("camera3->initialize"); 141 res = device->ops->initialize(device, this); 142 ATRACE_END(); 143 144 if (res != OK) { 145 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 146 strerror(-res), res); 147 device->common.close(&device->common); 148 return BAD_VALUE; 149 } 150 151 /** Start up status tracker thread */ 152 mStatusTracker = new StatusTracker(this); 153 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 154 if (res != OK) { 155 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 156 strerror(-res), res); 157 device->common.close(&device->common); 158 mStatusTracker.clear(); 159 return res; 160 } 161 162 /** Start up request queue thread */ 163 164 mRequestThread = new RequestThread(this, mStatusTracker, device); 165 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 166 if (res != OK) { 167 SET_ERR_L("Unable to start request queue thread: %s (%d)", 168 strerror(-res), res); 169 device->common.close(&device->common); 170 mRequestThread.clear(); 171 return res; 172 } 173 174 /** Everything is good to go */ 175 176 mDeviceVersion = device->common.version; 177 mDeviceInfo = info.static_camera_characteristics; 178 mHal3Device = device; 179 mStatus = STATUS_UNCONFIGURED; 180 mNextStreamId = 0; 181 mNeedConfig = true; 182 mPauseStateNotify = false; 183 184 // Will the HAL be sending in early partial result metadata? 185 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 186 camera_metadata_entry partialResultsCount = 187 mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT); 188 if (partialResultsCount.count > 0) { 189 mNumPartialResults = partialResultsCount.data.i32[0]; 190 mUsePartialResult = (mNumPartialResults > 1); 191 } 192 } else { 193 camera_metadata_entry partialResultsQuirk = 194 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 195 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 196 mUsePartialResult = true; 197 } 198 } 199 200 return OK; 201} 202 203status_t Camera3Device::disconnect() { 204 ATRACE_CALL(); 205 Mutex::Autolock il(mInterfaceLock); 206 207 ALOGV("%s: E", __FUNCTION__); 208 209 status_t res = OK; 210 211 { 212 Mutex::Autolock l(mLock); 213 if (mStatus == STATUS_UNINITIALIZED) return res; 214 215 if (mStatus == STATUS_ACTIVE || 216 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 217 res = mRequestThread->clearRepeatingRequests(); 218 if (res != OK) { 219 SET_ERR_L("Can't stop streaming"); 220 // Continue to close device even in case of error 221 } else { 222 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 223 if (res != OK) { 224 SET_ERR_L("Timeout waiting for HAL to drain"); 225 // Continue to close device even in case of error 226 } 227 } 228 } 229 230 if (mStatus == STATUS_ERROR) { 231 CLOGE("Shutting down in an error state"); 232 } 233 234 if (mStatusTracker != NULL) { 235 mStatusTracker->requestExit(); 236 } 237 238 if (mRequestThread != NULL) { 239 mRequestThread->requestExit(); 240 } 241 242 mOutputStreams.clear(); 243 mInputStream.clear(); 244 } 245 246 // Joining done without holding mLock, otherwise deadlocks may ensue 247 // as the threads try to access parent state 248 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 249 // HAL may be in a bad state, so waiting for request thread 250 // (which may be stuck in the HAL processCaptureRequest call) 251 // could be dangerous. 252 mRequestThread->join(); 253 } 254 255 if (mStatusTracker != NULL) { 256 mStatusTracker->join(); 257 } 258 259 { 260 Mutex::Autolock l(mLock); 261 262 mRequestThread.clear(); 263 mStatusTracker.clear(); 264 265 if (mHal3Device != NULL) { 266 ATRACE_BEGIN("camera3->close"); 267 mHal3Device->common.close(&mHal3Device->common); 268 ATRACE_END(); 269 mHal3Device = NULL; 270 } 271 272 mStatus = STATUS_UNINITIALIZED; 273 } 274 275 ALOGV("%s: X", __FUNCTION__); 276 return res; 277} 278 279// For dumping/debugging only - 280// try to acquire a lock a few times, eventually give up to proceed with 281// debug/dump operations 282bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 283 bool gotLock = false; 284 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 285 if (lock.tryLock() == NO_ERROR) { 286 gotLock = true; 287 break; 288 } else { 289 usleep(kDumpSleepDuration); 290 } 291 } 292 return gotLock; 293} 294 295Camera3Device::Size Camera3Device::getMaxJpegResolution() const { 296 int32_t maxJpegWidth = 0, maxJpegHeight = 0; 297 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 298 const int STREAM_CONFIGURATION_SIZE = 4; 299 const int STREAM_FORMAT_OFFSET = 0; 300 const int STREAM_WIDTH_OFFSET = 1; 301 const int STREAM_HEIGHT_OFFSET = 2; 302 const int STREAM_IS_INPUT_OFFSET = 3; 303 camera_metadata_ro_entry_t availableStreamConfigs = 304 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 305 if (availableStreamConfigs.count == 0 || 306 availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) { 307 return Size(0, 0); 308 } 309 310 // Get max jpeg size (area-wise). 311 for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 312 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 313 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 314 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 315 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 316 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT 317 && format == HAL_PIXEL_FORMAT_BLOB && 318 (width * height > maxJpegWidth * maxJpegHeight)) { 319 maxJpegWidth = width; 320 maxJpegHeight = height; 321 } 322 } 323 } else { 324 camera_metadata_ro_entry availableJpegSizes = 325 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 326 if (availableJpegSizes.count == 0 || availableJpegSizes.count % 2 != 0) { 327 return Size(0, 0); 328 } 329 330 // Get max jpeg size (area-wise). 331 for (size_t i = 0; i < availableJpegSizes.count; i += 2) { 332 if ((availableJpegSizes.data.i32[i] * availableJpegSizes.data.i32[i + 1]) 333 > (maxJpegWidth * maxJpegHeight)) { 334 maxJpegWidth = availableJpegSizes.data.i32[i]; 335 maxJpegHeight = availableJpegSizes.data.i32[i + 1]; 336 } 337 } 338 } 339 return Size(maxJpegWidth, maxJpegHeight); 340} 341 342ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const { 343 // Get max jpeg size (area-wise). 344 Size maxJpegResolution = getMaxJpegResolution(); 345 if (maxJpegResolution.width == 0) { 346 ALOGE("%s: Camera %d: Can't find find valid available jpeg sizes in static metadata!", 347 __FUNCTION__, mId); 348 return BAD_VALUE; 349 } 350 351 // Get max jpeg buffer size 352 ssize_t maxJpegBufferSize = 0; 353 camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE); 354 if (jpegBufMaxSize.count == 0) { 355 ALOGE("%s: Camera %d: Can't find maximum JPEG size in static metadata!", __FUNCTION__, mId); 356 return BAD_VALUE; 357 } 358 maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; 359 360 // Calculate final jpeg buffer size for the given resolution. 361 float scaleFactor = ((float) (width * height)) / 362 (maxJpegResolution.width * maxJpegResolution.height); 363 ssize_t jpegBufferSize = scaleFactor * maxJpegBufferSize; 364 // Bound the buffer size to [MIN_JPEG_BUFFER_SIZE, maxJpegBufferSize]. 365 if (jpegBufferSize > maxJpegBufferSize) { 366 jpegBufferSize = maxJpegBufferSize; 367 } else if (jpegBufferSize < kMinJpegBufferSize) { 368 jpegBufferSize = kMinJpegBufferSize; 369 } 370 371 return jpegBufferSize; 372} 373 374status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 375 ATRACE_CALL(); 376 (void)args; 377 378 // Try to lock, but continue in case of failure (to avoid blocking in 379 // deadlocks) 380 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 381 bool gotLock = tryLockSpinRightRound(mLock); 382 383 ALOGW_IF(!gotInterfaceLock, 384 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 385 mId, __FUNCTION__); 386 ALOGW_IF(!gotLock, 387 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 388 mId, __FUNCTION__); 389 390 String8 lines; 391 392 const char *status = 393 mStatus == STATUS_ERROR ? "ERROR" : 394 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 395 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 396 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 397 mStatus == STATUS_ACTIVE ? "ACTIVE" : 398 "Unknown"; 399 400 lines.appendFormat(" Device status: %s\n", status); 401 if (mStatus == STATUS_ERROR) { 402 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 403 } 404 lines.appendFormat(" Stream configuration:\n"); 405 406 if (mInputStream != NULL) { 407 write(fd, lines.string(), lines.size()); 408 mInputStream->dump(fd, args); 409 } else { 410 lines.appendFormat(" No input stream.\n"); 411 write(fd, lines.string(), lines.size()); 412 } 413 for (size_t i = 0; i < mOutputStreams.size(); i++) { 414 mOutputStreams[i]->dump(fd,args); 415 } 416 417 lines = String8(" In-flight requests:\n"); 418 if (mInFlightMap.size() == 0) { 419 lines.append(" None\n"); 420 } else { 421 for (size_t i = 0; i < mInFlightMap.size(); i++) { 422 InFlightRequest r = mInFlightMap.valueAt(i); 423 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 424 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 425 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 426 r.numBuffersLeft); 427 } 428 } 429 write(fd, lines.string(), lines.size()); 430 431 { 432 lines = String8(" Last request sent:\n"); 433 write(fd, lines.string(), lines.size()); 434 435 CameraMetadata lastRequest = getLatestRequestLocked(); 436 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 437 } 438 439 if (mHal3Device != NULL) { 440 lines = String8(" HAL device dump:\n"); 441 write(fd, lines.string(), lines.size()); 442 mHal3Device->ops->dump(mHal3Device, fd); 443 } 444 445 if (gotLock) mLock.unlock(); 446 if (gotInterfaceLock) mInterfaceLock.unlock(); 447 448 return OK; 449} 450 451const CameraMetadata& Camera3Device::info() const { 452 ALOGVV("%s: E", __FUNCTION__); 453 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 454 mStatus == STATUS_ERROR)) { 455 ALOGW("%s: Access to static info %s!", __FUNCTION__, 456 mStatus == STATUS_ERROR ? 457 "when in error state" : "before init"); 458 } 459 return mDeviceInfo; 460} 461 462status_t Camera3Device::checkStatusOkToCaptureLocked() { 463 switch (mStatus) { 464 case STATUS_ERROR: 465 CLOGE("Device has encountered a serious error"); 466 return INVALID_OPERATION; 467 case STATUS_UNINITIALIZED: 468 CLOGE("Device not initialized"); 469 return INVALID_OPERATION; 470 case STATUS_UNCONFIGURED: 471 case STATUS_CONFIGURED: 472 case STATUS_ACTIVE: 473 // OK 474 break; 475 default: 476 SET_ERR_L("Unexpected status: %d", mStatus); 477 return INVALID_OPERATION; 478 } 479 return OK; 480} 481 482status_t Camera3Device::convertMetadataListToRequestListLocked( 483 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 484 if (requestList == NULL) { 485 CLOGE("requestList cannot be NULL."); 486 return BAD_VALUE; 487 } 488 489 int32_t burstId = 0; 490 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 491 it != metadataList.end(); ++it) { 492 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 493 if (newRequest == 0) { 494 CLOGE("Can't create capture request"); 495 return BAD_VALUE; 496 } 497 498 // Setup burst Id and request Id 499 newRequest->mResultExtras.burstId = burstId++; 500 if (it->exists(ANDROID_REQUEST_ID)) { 501 if (it->find(ANDROID_REQUEST_ID).count == 0) { 502 CLOGE("RequestID entry exists; but must not be empty in metadata"); 503 return BAD_VALUE; 504 } 505 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 506 } else { 507 CLOGE("RequestID does not exist in metadata"); 508 return BAD_VALUE; 509 } 510 511 requestList->push_back(newRequest); 512 513 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 514 } 515 return OK; 516} 517 518status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 519 ATRACE_CALL(); 520 521 List<const CameraMetadata> requests; 522 requests.push_back(request); 523 return captureList(requests, /*lastFrameNumber*/NULL); 524} 525 526status_t Camera3Device::submitRequestsHelper( 527 const List<const CameraMetadata> &requests, bool repeating, 528 /*out*/ 529 int64_t *lastFrameNumber) { 530 ATRACE_CALL(); 531 Mutex::Autolock il(mInterfaceLock); 532 Mutex::Autolock l(mLock); 533 534 status_t res = checkStatusOkToCaptureLocked(); 535 if (res != OK) { 536 // error logged by previous call 537 return res; 538 } 539 540 RequestList requestList; 541 542 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 543 if (res != OK) { 544 // error logged by previous call 545 return res; 546 } 547 548 if (repeating) { 549 res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); 550 } else { 551 res = mRequestThread->queueRequestList(requestList, lastFrameNumber); 552 } 553 554 if (res == OK) { 555 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 556 if (res != OK) { 557 SET_ERR_L("Can't transition to active in %f seconds!", 558 kActiveTimeout/1e9); 559 } 560 ALOGV("Camera %d: Capture request %" PRId32 " enqueued", mId, 561 (*(requestList.begin()))->mResultExtras.requestId); 562 } else { 563 CLOGE("Cannot queue request. Impossible."); 564 return BAD_VALUE; 565 } 566 567 return res; 568} 569 570status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 571 int64_t *lastFrameNumber) { 572 ATRACE_CALL(); 573 574 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 575} 576 577status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 578 int64_t* /*lastFrameNumber*/) { 579 ATRACE_CALL(); 580 581 List<const CameraMetadata> requests; 582 requests.push_back(request); 583 return setStreamingRequestList(requests, /*lastFrameNumber*/NULL); 584} 585 586status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 587 int64_t *lastFrameNumber) { 588 ATRACE_CALL(); 589 590 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 591} 592 593sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 594 const CameraMetadata &request) { 595 status_t res; 596 597 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 598 res = configureStreamsLocked(); 599 if (res != OK) { 600 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 601 return NULL; 602 } 603 if (mStatus == STATUS_UNCONFIGURED) { 604 CLOGE("No streams configured"); 605 return NULL; 606 } 607 } 608 609 sp<CaptureRequest> newRequest = createCaptureRequest(request); 610 return newRequest; 611} 612 613status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 614 ATRACE_CALL(); 615 Mutex::Autolock il(mInterfaceLock); 616 Mutex::Autolock l(mLock); 617 618 switch (mStatus) { 619 case STATUS_ERROR: 620 CLOGE("Device has encountered a serious error"); 621 return INVALID_OPERATION; 622 case STATUS_UNINITIALIZED: 623 CLOGE("Device not initialized"); 624 return INVALID_OPERATION; 625 case STATUS_UNCONFIGURED: 626 case STATUS_CONFIGURED: 627 case STATUS_ACTIVE: 628 // OK 629 break; 630 default: 631 SET_ERR_L("Unexpected status: %d", mStatus); 632 return INVALID_OPERATION; 633 } 634 ALOGV("Camera %d: Clearing repeating request", mId); 635 636 return mRequestThread->clearRepeatingRequests(lastFrameNumber); 637} 638 639status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 640 ATRACE_CALL(); 641 Mutex::Autolock il(mInterfaceLock); 642 643 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 644} 645 646status_t Camera3Device::createInputStream( 647 uint32_t width, uint32_t height, int format, int *id) { 648 ATRACE_CALL(); 649 Mutex::Autolock il(mInterfaceLock); 650 Mutex::Autolock l(mLock); 651 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 652 mId, mNextStreamId, width, height, format); 653 654 status_t res; 655 bool wasActive = false; 656 657 switch (mStatus) { 658 case STATUS_ERROR: 659 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 660 return INVALID_OPERATION; 661 case STATUS_UNINITIALIZED: 662 ALOGE("%s: Device not initialized", __FUNCTION__); 663 return INVALID_OPERATION; 664 case STATUS_UNCONFIGURED: 665 case STATUS_CONFIGURED: 666 // OK 667 break; 668 case STATUS_ACTIVE: 669 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 670 res = internalPauseAndWaitLocked(); 671 if (res != OK) { 672 SET_ERR_L("Can't pause captures to reconfigure streams!"); 673 return res; 674 } 675 wasActive = true; 676 break; 677 default: 678 SET_ERR_L("%s: Unexpected status: %d", mStatus); 679 return INVALID_OPERATION; 680 } 681 assert(mStatus != STATUS_ACTIVE); 682 683 if (mInputStream != 0) { 684 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 685 return INVALID_OPERATION; 686 } 687 688 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 689 width, height, format); 690 newStream->setStatusTracker(mStatusTracker); 691 692 mInputStream = newStream; 693 694 *id = mNextStreamId++; 695 696 // Continue captures if active at start 697 if (wasActive) { 698 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 699 res = configureStreamsLocked(); 700 if (res != OK) { 701 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 702 __FUNCTION__, mNextStreamId, strerror(-res), res); 703 return res; 704 } 705 internalResumeLocked(); 706 } 707 708 ALOGV("Camera %d: Created input stream", mId); 709 return OK; 710} 711 712 713status_t Camera3Device::createZslStream( 714 uint32_t width, uint32_t height, 715 int depth, 716 /*out*/ 717 int *id, 718 sp<Camera3ZslStream>* zslStream) { 719 ATRACE_CALL(); 720 Mutex::Autolock il(mInterfaceLock); 721 Mutex::Autolock l(mLock); 722 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 723 mId, mNextStreamId, width, height, depth); 724 725 status_t res; 726 bool wasActive = false; 727 728 switch (mStatus) { 729 case STATUS_ERROR: 730 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 731 return INVALID_OPERATION; 732 case STATUS_UNINITIALIZED: 733 ALOGE("%s: Device not initialized", __FUNCTION__); 734 return INVALID_OPERATION; 735 case STATUS_UNCONFIGURED: 736 case STATUS_CONFIGURED: 737 // OK 738 break; 739 case STATUS_ACTIVE: 740 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 741 res = internalPauseAndWaitLocked(); 742 if (res != OK) { 743 SET_ERR_L("Can't pause captures to reconfigure streams!"); 744 return res; 745 } 746 wasActive = true; 747 break; 748 default: 749 SET_ERR_L("Unexpected status: %d", mStatus); 750 return INVALID_OPERATION; 751 } 752 assert(mStatus != STATUS_ACTIVE); 753 754 if (mInputStream != 0) { 755 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 756 return INVALID_OPERATION; 757 } 758 759 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 760 width, height, depth); 761 newStream->setStatusTracker(mStatusTracker); 762 763 res = mOutputStreams.add(mNextStreamId, newStream); 764 if (res < 0) { 765 ALOGE("%s: Can't add new stream to set: %s (%d)", 766 __FUNCTION__, strerror(-res), res); 767 return res; 768 } 769 mInputStream = newStream; 770 771 mNeedConfig = true; 772 773 *id = mNextStreamId++; 774 *zslStream = newStream; 775 776 // Continue captures if active at start 777 if (wasActive) { 778 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 779 res = configureStreamsLocked(); 780 if (res != OK) { 781 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 782 __FUNCTION__, mNextStreamId, strerror(-res), res); 783 return res; 784 } 785 internalResumeLocked(); 786 } 787 788 ALOGV("Camera %d: Created ZSL stream", mId); 789 return OK; 790} 791 792status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 793 uint32_t width, uint32_t height, int format, size_t size, int *id) { 794 ATRACE_CALL(); 795 Mutex::Autolock il(mInterfaceLock); 796 Mutex::Autolock l(mLock); 797 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d, size %zu", 798 mId, mNextStreamId, width, height, format, size); 799 800 status_t res; 801 bool wasActive = false; 802 803 switch (mStatus) { 804 case STATUS_ERROR: 805 CLOGE("Device has encountered a serious error"); 806 return INVALID_OPERATION; 807 case STATUS_UNINITIALIZED: 808 CLOGE("Device not initialized"); 809 return INVALID_OPERATION; 810 case STATUS_UNCONFIGURED: 811 case STATUS_CONFIGURED: 812 // OK 813 break; 814 case STATUS_ACTIVE: 815 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 816 res = internalPauseAndWaitLocked(); 817 if (res != OK) { 818 SET_ERR_L("Can't pause captures to reconfigure streams!"); 819 return res; 820 } 821 wasActive = true; 822 break; 823 default: 824 SET_ERR_L("Unexpected status: %d", mStatus); 825 return INVALID_OPERATION; 826 } 827 assert(mStatus != STATUS_ACTIVE); 828 829 sp<Camera3OutputStream> newStream; 830 if (format == HAL_PIXEL_FORMAT_BLOB) { 831 ssize_t jpegBufferSize = getJpegBufferSize(width, height); 832 if (jpegBufferSize > 0) { 833 ALOGV("%s: Overwrite Jpeg output buffer size from %zu to %zu", 834 __FUNCTION__, size, jpegBufferSize); 835 } else { 836 SET_ERR_L("Invalid jpeg buffer size %zd", jpegBufferSize); 837 return BAD_VALUE; 838 } 839 840 newStream = new Camera3OutputStream(mNextStreamId, consumer, 841 width, height, jpegBufferSize, format); 842 } else { 843 newStream = new Camera3OutputStream(mNextStreamId, consumer, 844 width, height, format); 845 } 846 newStream->setStatusTracker(mStatusTracker); 847 848 res = mOutputStreams.add(mNextStreamId, newStream); 849 if (res < 0) { 850 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 851 return res; 852 } 853 854 *id = mNextStreamId++; 855 mNeedConfig = true; 856 857 // Continue captures if active at start 858 if (wasActive) { 859 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 860 res = configureStreamsLocked(); 861 if (res != OK) { 862 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 863 mNextStreamId, strerror(-res), res); 864 return res; 865 } 866 internalResumeLocked(); 867 } 868 ALOGV("Camera %d: Created new stream", mId); 869 return OK; 870} 871 872status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 873 ATRACE_CALL(); 874 (void)outputId; (void)id; 875 876 CLOGE("Unimplemented"); 877 return INVALID_OPERATION; 878} 879 880 881status_t Camera3Device::getStreamInfo(int id, 882 uint32_t *width, uint32_t *height, uint32_t *format) { 883 ATRACE_CALL(); 884 Mutex::Autolock il(mInterfaceLock); 885 Mutex::Autolock l(mLock); 886 887 switch (mStatus) { 888 case STATUS_ERROR: 889 CLOGE("Device has encountered a serious error"); 890 return INVALID_OPERATION; 891 case STATUS_UNINITIALIZED: 892 CLOGE("Device not initialized!"); 893 return INVALID_OPERATION; 894 case STATUS_UNCONFIGURED: 895 case STATUS_CONFIGURED: 896 case STATUS_ACTIVE: 897 // OK 898 break; 899 default: 900 SET_ERR_L("Unexpected status: %d", mStatus); 901 return INVALID_OPERATION; 902 } 903 904 ssize_t idx = mOutputStreams.indexOfKey(id); 905 if (idx == NAME_NOT_FOUND) { 906 CLOGE("Stream %d is unknown", id); 907 return idx; 908 } 909 910 if (width) *width = mOutputStreams[idx]->getWidth(); 911 if (height) *height = mOutputStreams[idx]->getHeight(); 912 if (format) *format = mOutputStreams[idx]->getFormat(); 913 914 return OK; 915} 916 917status_t Camera3Device::setStreamTransform(int id, 918 int transform) { 919 ATRACE_CALL(); 920 Mutex::Autolock il(mInterfaceLock); 921 Mutex::Autolock l(mLock); 922 923 switch (mStatus) { 924 case STATUS_ERROR: 925 CLOGE("Device has encountered a serious error"); 926 return INVALID_OPERATION; 927 case STATUS_UNINITIALIZED: 928 CLOGE("Device not initialized"); 929 return INVALID_OPERATION; 930 case STATUS_UNCONFIGURED: 931 case STATUS_CONFIGURED: 932 case STATUS_ACTIVE: 933 // OK 934 break; 935 default: 936 SET_ERR_L("Unexpected status: %d", mStatus); 937 return INVALID_OPERATION; 938 } 939 940 ssize_t idx = mOutputStreams.indexOfKey(id); 941 if (idx == NAME_NOT_FOUND) { 942 CLOGE("Stream %d does not exist", 943 id); 944 return BAD_VALUE; 945 } 946 947 return mOutputStreams.editValueAt(idx)->setTransform(transform); 948} 949 950status_t Camera3Device::deleteStream(int id) { 951 ATRACE_CALL(); 952 Mutex::Autolock il(mInterfaceLock); 953 Mutex::Autolock l(mLock); 954 status_t res; 955 956 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 957 958 // CameraDevice semantics require device to already be idle before 959 // deleteStream is called, unlike for createStream. 960 if (mStatus == STATUS_ACTIVE) { 961 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 962 return -EBUSY; 963 } 964 965 sp<Camera3StreamInterface> deletedStream; 966 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 967 if (mInputStream != NULL && id == mInputStream->getId()) { 968 deletedStream = mInputStream; 969 mInputStream.clear(); 970 } else { 971 if (outputStreamIdx == NAME_NOT_FOUND) { 972 CLOGE("Stream %d does not exist", id); 973 return BAD_VALUE; 974 } 975 } 976 977 // Delete output stream or the output part of a bi-directional stream. 978 if (outputStreamIdx != NAME_NOT_FOUND) { 979 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 980 mOutputStreams.removeItem(id); 981 } 982 983 // Free up the stream endpoint so that it can be used by some other stream 984 res = deletedStream->disconnect(); 985 if (res != OK) { 986 SET_ERR_L("Can't disconnect deleted stream %d", id); 987 // fall through since we want to still list the stream as deleted. 988 } 989 mDeletedStreams.add(deletedStream); 990 mNeedConfig = true; 991 992 return res; 993} 994 995status_t Camera3Device::deleteReprocessStream(int id) { 996 ATRACE_CALL(); 997 (void)id; 998 999 CLOGE("Unimplemented"); 1000 return INVALID_OPERATION; 1001} 1002 1003 1004status_t Camera3Device::createDefaultRequest(int templateId, 1005 CameraMetadata *request) { 1006 ATRACE_CALL(); 1007 ALOGV("%s: for template %d", __FUNCTION__, templateId); 1008 Mutex::Autolock il(mInterfaceLock); 1009 Mutex::Autolock l(mLock); 1010 1011 switch (mStatus) { 1012 case STATUS_ERROR: 1013 CLOGE("Device has encountered a serious error"); 1014 return INVALID_OPERATION; 1015 case STATUS_UNINITIALIZED: 1016 CLOGE("Device is not initialized!"); 1017 return INVALID_OPERATION; 1018 case STATUS_UNCONFIGURED: 1019 case STATUS_CONFIGURED: 1020 case STATUS_ACTIVE: 1021 // OK 1022 break; 1023 default: 1024 SET_ERR_L("Unexpected status: %d", mStatus); 1025 return INVALID_OPERATION; 1026 } 1027 1028 const camera_metadata_t *rawRequest; 1029 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1030 rawRequest = mHal3Device->ops->construct_default_request_settings( 1031 mHal3Device, templateId); 1032 ATRACE_END(); 1033 if (rawRequest == NULL) { 1034 SET_ERR_L("HAL is unable to construct default settings for template %d", 1035 templateId); 1036 return DEAD_OBJECT; 1037 } 1038 *request = rawRequest; 1039 1040 return OK; 1041} 1042 1043status_t Camera3Device::waitUntilDrained() { 1044 ATRACE_CALL(); 1045 Mutex::Autolock il(mInterfaceLock); 1046 Mutex::Autolock l(mLock); 1047 1048 return waitUntilDrainedLocked(); 1049} 1050 1051status_t Camera3Device::waitUntilDrainedLocked() { 1052 switch (mStatus) { 1053 case STATUS_UNINITIALIZED: 1054 case STATUS_UNCONFIGURED: 1055 ALOGV("%s: Already idle", __FUNCTION__); 1056 return OK; 1057 case STATUS_CONFIGURED: 1058 // To avoid race conditions, check with tracker to be sure 1059 case STATUS_ERROR: 1060 case STATUS_ACTIVE: 1061 // Need to verify shut down 1062 break; 1063 default: 1064 SET_ERR_L("Unexpected status: %d",mStatus); 1065 return INVALID_OPERATION; 1066 } 1067 1068 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1069 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1070 return res; 1071} 1072 1073// Pause to reconfigure 1074status_t Camera3Device::internalPauseAndWaitLocked() { 1075 mRequestThread->setPaused(true); 1076 mPauseStateNotify = true; 1077 1078 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1079 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1080 if (res != OK) { 1081 SET_ERR_L("Can't idle device in %f seconds!", 1082 kShutdownTimeout/1e9); 1083 } 1084 1085 return res; 1086} 1087 1088// Resume after internalPauseAndWaitLocked 1089status_t Camera3Device::internalResumeLocked() { 1090 status_t res; 1091 1092 mRequestThread->setPaused(false); 1093 1094 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1095 if (res != OK) { 1096 SET_ERR_L("Can't transition to active in %f seconds!", 1097 kActiveTimeout/1e9); 1098 } 1099 mPauseStateNotify = false; 1100 return OK; 1101} 1102 1103status_t Camera3Device::waitUntilStateThenRelock(bool active, 1104 nsecs_t timeout) { 1105 status_t res = OK; 1106 if (active == (mStatus == STATUS_ACTIVE)) { 1107 // Desired state already reached 1108 return res; 1109 } 1110 1111 bool stateSeen = false; 1112 do { 1113 mRecentStatusUpdates.clear(); 1114 1115 res = mStatusChanged.waitRelative(mLock, timeout); 1116 if (res != OK) break; 1117 1118 // Check state change history during wait 1119 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1120 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1121 stateSeen = true; 1122 break; 1123 } 1124 } 1125 } while (!stateSeen); 1126 1127 return res; 1128} 1129 1130 1131status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1132 ATRACE_CALL(); 1133 Mutex::Autolock l(mOutputLock); 1134 1135 if (listener != NULL && mListener != NULL) { 1136 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1137 } 1138 mListener = listener; 1139 1140 return OK; 1141} 1142 1143bool Camera3Device::willNotify3A() { 1144 return false; 1145} 1146 1147status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1148 status_t res; 1149 Mutex::Autolock l(mOutputLock); 1150 1151 while (mResultQueue.empty()) { 1152 res = mResultSignal.waitRelative(mOutputLock, timeout); 1153 if (res == TIMED_OUT) { 1154 return res; 1155 } else if (res != OK) { 1156 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1157 __FUNCTION__, mId, timeout, strerror(-res), res); 1158 return res; 1159 } 1160 } 1161 return OK; 1162} 1163 1164status_t Camera3Device::getNextResult(CaptureResult *frame) { 1165 ATRACE_CALL(); 1166 Mutex::Autolock l(mOutputLock); 1167 1168 if (mResultQueue.empty()) { 1169 return NOT_ENOUGH_DATA; 1170 } 1171 1172 if (frame == NULL) { 1173 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1174 return BAD_VALUE; 1175 } 1176 1177 CaptureResult &result = *(mResultQueue.begin()); 1178 frame->mResultExtras = result.mResultExtras; 1179 frame->mMetadata.acquire(result.mMetadata); 1180 mResultQueue.erase(mResultQueue.begin()); 1181 1182 return OK; 1183} 1184 1185status_t Camera3Device::triggerAutofocus(uint32_t id) { 1186 ATRACE_CALL(); 1187 Mutex::Autolock il(mInterfaceLock); 1188 1189 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1190 // Mix-in this trigger into the next request and only the next request. 1191 RequestTrigger trigger[] = { 1192 { 1193 ANDROID_CONTROL_AF_TRIGGER, 1194 ANDROID_CONTROL_AF_TRIGGER_START 1195 }, 1196 { 1197 ANDROID_CONTROL_AF_TRIGGER_ID, 1198 static_cast<int32_t>(id) 1199 } 1200 }; 1201 1202 return mRequestThread->queueTrigger(trigger, 1203 sizeof(trigger)/sizeof(trigger[0])); 1204} 1205 1206status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1207 ATRACE_CALL(); 1208 Mutex::Autolock il(mInterfaceLock); 1209 1210 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1211 // Mix-in this trigger into the next request and only the next request. 1212 RequestTrigger trigger[] = { 1213 { 1214 ANDROID_CONTROL_AF_TRIGGER, 1215 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1216 }, 1217 { 1218 ANDROID_CONTROL_AF_TRIGGER_ID, 1219 static_cast<int32_t>(id) 1220 } 1221 }; 1222 1223 return mRequestThread->queueTrigger(trigger, 1224 sizeof(trigger)/sizeof(trigger[0])); 1225} 1226 1227status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1228 ATRACE_CALL(); 1229 Mutex::Autolock il(mInterfaceLock); 1230 1231 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1232 // Mix-in this trigger into the next request and only the next request. 1233 RequestTrigger trigger[] = { 1234 { 1235 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1236 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1237 }, 1238 { 1239 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1240 static_cast<int32_t>(id) 1241 } 1242 }; 1243 1244 return mRequestThread->queueTrigger(trigger, 1245 sizeof(trigger)/sizeof(trigger[0])); 1246} 1247 1248status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1249 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1250 ATRACE_CALL(); 1251 (void)reprocessStreamId; (void)buffer; (void)listener; 1252 1253 CLOGE("Unimplemented"); 1254 return INVALID_OPERATION; 1255} 1256 1257status_t Camera3Device::flush(int64_t *frameNumber) { 1258 ATRACE_CALL(); 1259 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1260 Mutex::Autolock il(mInterfaceLock); 1261 1262 { 1263 Mutex::Autolock l(mLock); 1264 mRequestThread->clear(/*out*/frameNumber); 1265 } 1266 1267 status_t res; 1268 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1269 res = mHal3Device->ops->flush(mHal3Device); 1270 } else { 1271 Mutex::Autolock l(mLock); 1272 res = waitUntilDrainedLocked(); 1273 } 1274 1275 return res; 1276} 1277 1278uint32_t Camera3Device::getDeviceVersion() { 1279 ATRACE_CALL(); 1280 Mutex::Autolock il(mInterfaceLock); 1281 return mDeviceVersion; 1282} 1283 1284/** 1285 * Methods called by subclasses 1286 */ 1287 1288void Camera3Device::notifyStatus(bool idle) { 1289 { 1290 // Need mLock to safely update state and synchronize to current 1291 // state of methods in flight. 1292 Mutex::Autolock l(mLock); 1293 // We can get various system-idle notices from the status tracker 1294 // while starting up. Only care about them if we've actually sent 1295 // in some requests recently. 1296 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1297 return; 1298 } 1299 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1300 idle ? "idle" : "active"); 1301 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1302 mRecentStatusUpdates.add(mStatus); 1303 mStatusChanged.signal(); 1304 1305 // Skip notifying listener if we're doing some user-transparent 1306 // state changes 1307 if (mPauseStateNotify) return; 1308 } 1309 NotificationListener *listener; 1310 { 1311 Mutex::Autolock l(mOutputLock); 1312 listener = mListener; 1313 } 1314 if (idle && listener != NULL) { 1315 listener->notifyIdle(); 1316 } 1317} 1318 1319/** 1320 * Camera3Device private methods 1321 */ 1322 1323sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1324 const CameraMetadata &request) { 1325 ATRACE_CALL(); 1326 status_t res; 1327 1328 sp<CaptureRequest> newRequest = new CaptureRequest; 1329 newRequest->mSettings = request; 1330 1331 camera_metadata_entry_t inputStreams = 1332 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1333 if (inputStreams.count > 0) { 1334 if (mInputStream == NULL || 1335 mInputStream->getId() != inputStreams.data.i32[0]) { 1336 CLOGE("Request references unknown input stream %d", 1337 inputStreams.data.u8[0]); 1338 return NULL; 1339 } 1340 // Lazy completion of stream configuration (allocation/registration) 1341 // on first use 1342 if (mInputStream->isConfiguring()) { 1343 res = mInputStream->finishConfiguration(mHal3Device); 1344 if (res != OK) { 1345 SET_ERR_L("Unable to finish configuring input stream %d:" 1346 " %s (%d)", 1347 mInputStream->getId(), strerror(-res), res); 1348 return NULL; 1349 } 1350 } 1351 1352 newRequest->mInputStream = mInputStream; 1353 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1354 } 1355 1356 camera_metadata_entry_t streams = 1357 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1358 if (streams.count == 0) { 1359 CLOGE("Zero output streams specified!"); 1360 return NULL; 1361 } 1362 1363 for (size_t i = 0; i < streams.count; i++) { 1364 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1365 if (idx == NAME_NOT_FOUND) { 1366 CLOGE("Request references unknown stream %d", 1367 streams.data.u8[i]); 1368 return NULL; 1369 } 1370 sp<Camera3OutputStreamInterface> stream = 1371 mOutputStreams.editValueAt(idx); 1372 1373 // Lazy completion of stream configuration (allocation/registration) 1374 // on first use 1375 if (stream->isConfiguring()) { 1376 res = stream->finishConfiguration(mHal3Device); 1377 if (res != OK) { 1378 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1379 stream->getId(), strerror(-res), res); 1380 return NULL; 1381 } 1382 } 1383 1384 newRequest->mOutputStreams.push(stream); 1385 } 1386 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1387 1388 return newRequest; 1389} 1390 1391status_t Camera3Device::configureStreamsLocked() { 1392 ATRACE_CALL(); 1393 status_t res; 1394 1395 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1396 CLOGE("Not idle"); 1397 return INVALID_OPERATION; 1398 } 1399 1400 if (!mNeedConfig) { 1401 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1402 return OK; 1403 } 1404 1405 // Start configuring the streams 1406 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1407 1408 camera3_stream_configuration config; 1409 1410 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1411 1412 Vector<camera3_stream_t*> streams; 1413 streams.setCapacity(config.num_streams); 1414 1415 if (mInputStream != NULL) { 1416 camera3_stream_t *inputStream; 1417 inputStream = mInputStream->startConfiguration(); 1418 if (inputStream == NULL) { 1419 SET_ERR_L("Can't start input stream configuration"); 1420 return INVALID_OPERATION; 1421 } 1422 streams.add(inputStream); 1423 } 1424 1425 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1426 1427 // Don't configure bidi streams twice, nor add them twice to the list 1428 if (mOutputStreams[i].get() == 1429 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1430 1431 config.num_streams--; 1432 continue; 1433 } 1434 1435 camera3_stream_t *outputStream; 1436 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1437 if (outputStream == NULL) { 1438 SET_ERR_L("Can't start output stream configuration"); 1439 return INVALID_OPERATION; 1440 } 1441 streams.add(outputStream); 1442 } 1443 1444 config.streams = streams.editArray(); 1445 1446 // Do the HAL configuration; will potentially touch stream 1447 // max_buffers, usage, priv fields. 1448 ATRACE_BEGIN("camera3->configure_streams"); 1449 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1450 ATRACE_END(); 1451 1452 if (res != OK) { 1453 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1454 strerror(-res), res); 1455 return res; 1456 } 1457 1458 // Finish all stream configuration immediately. 1459 // TODO: Try to relax this later back to lazy completion, which should be 1460 // faster 1461 1462 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1463 res = mInputStream->finishConfiguration(mHal3Device); 1464 if (res != OK) { 1465 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1466 mInputStream->getId(), strerror(-res), res); 1467 return res; 1468 } 1469 } 1470 1471 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1472 sp<Camera3OutputStreamInterface> outputStream = 1473 mOutputStreams.editValueAt(i); 1474 if (outputStream->isConfiguring()) { 1475 res = outputStream->finishConfiguration(mHal3Device); 1476 if (res != OK) { 1477 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1478 outputStream->getId(), strerror(-res), res); 1479 return res; 1480 } 1481 } 1482 } 1483 1484 // Request thread needs to know to avoid using repeat-last-settings protocol 1485 // across configure_streams() calls 1486 mRequestThread->configurationComplete(); 1487 1488 // Update device state 1489 1490 mNeedConfig = false; 1491 1492 if (config.num_streams > 0) { 1493 mStatus = STATUS_CONFIGURED; 1494 } else { 1495 mStatus = STATUS_UNCONFIGURED; 1496 } 1497 1498 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1499 1500 // tear down the deleted streams after configure streams. 1501 mDeletedStreams.clear(); 1502 1503 return OK; 1504} 1505 1506void Camera3Device::setErrorState(const char *fmt, ...) { 1507 Mutex::Autolock l(mLock); 1508 va_list args; 1509 va_start(args, fmt); 1510 1511 setErrorStateLockedV(fmt, args); 1512 1513 va_end(args); 1514} 1515 1516void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1517 Mutex::Autolock l(mLock); 1518 setErrorStateLockedV(fmt, args); 1519} 1520 1521void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1522 va_list args; 1523 va_start(args, fmt); 1524 1525 setErrorStateLockedV(fmt, args); 1526 1527 va_end(args); 1528} 1529 1530void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1531 // Print out all error messages to log 1532 String8 errorCause = String8::formatV(fmt, args); 1533 ALOGE("Camera %d: %s", mId, errorCause.string()); 1534 1535 // But only do error state transition steps for the first error 1536 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1537 1538 // Save stack trace. View by dumping it later. 1539 CameraTraces::saveTrace(); 1540 // TODO: consider adding errorCause and client pid/procname 1541 1542 mErrorCause = errorCause; 1543 1544 mRequestThread->setPaused(true); 1545 mStatus = STATUS_ERROR; 1546} 1547 1548/** 1549 * In-flight request management 1550 */ 1551 1552status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1553 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput) { 1554 ATRACE_CALL(); 1555 Mutex::Autolock l(mInFlightLock); 1556 1557 ssize_t res; 1558 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput)); 1559 if (res < 0) return res; 1560 1561 return OK; 1562} 1563 1564/** 1565 * Check if all 3A fields are ready, and send off a partial 3A-only result 1566 * to the output frame queue 1567 */ 1568bool Camera3Device::processPartial3AResult( 1569 uint32_t frameNumber, 1570 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1571 1572 // Check if all 3A states are present 1573 // The full list of fields is 1574 // android.control.afMode 1575 // android.control.awbMode 1576 // android.control.aeState 1577 // android.control.awbState 1578 // android.control.afState 1579 // android.control.afTriggerID 1580 // android.control.aePrecaptureID 1581 // TODO: Add android.control.aeMode 1582 1583 bool gotAllStates = true; 1584 1585 uint8_t afMode; 1586 uint8_t awbMode; 1587 uint8_t aeState; 1588 uint8_t afState; 1589 uint8_t awbState; 1590 1591 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1592 &afMode, frameNumber); 1593 1594 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1595 &awbMode, frameNumber); 1596 1597 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1598 &aeState, frameNumber); 1599 1600 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1601 &afState, frameNumber); 1602 1603 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1604 &awbState, frameNumber); 1605 1606 if (!gotAllStates) return false; 1607 1608 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1609 "AF state %d, AE state %d, AWB state %d, " 1610 "AF trigger %d, AE precapture trigger %d", 1611 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1612 afMode, awbMode, 1613 afState, aeState, awbState, 1614 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1615 1616 // Got all states, so construct a minimal result to send 1617 // In addition to the above fields, this means adding in 1618 // android.request.frameCount 1619 // android.request.requestId 1620 // android.quirks.partialResult (for HAL version below HAL3.2) 1621 1622 const size_t kMinimal3AResultEntries = 10; 1623 1624 Mutex::Autolock l(mOutputLock); 1625 1626 CaptureResult captureResult; 1627 captureResult.mResultExtras = resultExtras; 1628 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1629 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1630 // but not limited to CameraDeviceBase::getNextResult 1631 CaptureResult& min3AResult = 1632 *mResultQueue.insert(mResultQueue.end(), captureResult); 1633 1634 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1635 // TODO: This is problematic casting. Need to fix CameraMetadata. 1636 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1637 return false; 1638 } 1639 1640 int32_t requestId = resultExtras.requestId; 1641 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1642 &requestId, frameNumber)) { 1643 return false; 1644 } 1645 1646 if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) { 1647 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1648 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1649 &partialResult, frameNumber)) { 1650 return false; 1651 } 1652 } 1653 1654 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1655 &afMode, frameNumber)) { 1656 return false; 1657 } 1658 1659 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1660 &awbMode, frameNumber)) { 1661 return false; 1662 } 1663 1664 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1665 &aeState, frameNumber)) { 1666 return false; 1667 } 1668 1669 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1670 &afState, frameNumber)) { 1671 return false; 1672 } 1673 1674 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1675 &awbState, frameNumber)) { 1676 return false; 1677 } 1678 1679 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1680 &resultExtras.afTriggerId, frameNumber)) { 1681 return false; 1682 } 1683 1684 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1685 &resultExtras.precaptureTriggerId, frameNumber)) { 1686 return false; 1687 } 1688 1689 // We only send the aggregated partial when all 3A related metadata are available 1690 // For both API1 and API2. 1691 // TODO: we probably should pass through all partials to API2 unconditionally. 1692 mResultSignal.signal(); 1693 1694 return true; 1695} 1696 1697template<typename T> 1698bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1699 T* value, uint32_t frameNumber) { 1700 (void) frameNumber; 1701 1702 camera_metadata_ro_entry_t entry; 1703 1704 entry = result.find(tag); 1705 if (entry.count == 0) { 1706 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1707 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1708 return false; 1709 } 1710 1711 if (sizeof(T) == sizeof(uint8_t)) { 1712 *value = entry.data.u8[0]; 1713 } else if (sizeof(T) == sizeof(int32_t)) { 1714 *value = entry.data.i32[0]; 1715 } else { 1716 ALOGE("%s: Unexpected type", __FUNCTION__); 1717 return false; 1718 } 1719 return true; 1720} 1721 1722template<typename T> 1723bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1724 const T* value, uint32_t frameNumber) { 1725 if (result.update(tag, value, 1) != NO_ERROR) { 1726 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1727 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1728 frameNumber, get_camera_metadata_tag_name(tag)); 1729 return false; 1730 } 1731 return true; 1732} 1733 1734/** 1735 * Camera HAL device callback methods 1736 */ 1737 1738void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1739 ATRACE_CALL(); 1740 1741 status_t res; 1742 1743 uint32_t frameNumber = result->frame_number; 1744 if (result->result == NULL && result->num_output_buffers == 0 && 1745 result->input_buffer == NULL) { 1746 SET_ERR("No result data provided by HAL for frame %d", 1747 frameNumber); 1748 return; 1749 } 1750 1751 // For HAL3.2 or above, If HAL doesn't support partial, it must always set 1752 // partial_result to 1 when metadata is included in this result. 1753 if (!mUsePartialResult && 1754 mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && 1755 result->result != NULL && 1756 result->partial_result != 1) { 1757 SET_ERR("Result is malformed for frame %d: partial_result %u must be 1" 1758 " if partial result is not supported", 1759 frameNumber, result->partial_result); 1760 return; 1761 } 1762 1763 bool isPartialResult = false; 1764 CameraMetadata collectedPartialResult; 1765 CaptureResultExtras resultExtras; 1766 bool hasInputBufferInRequest = false; 1767 1768 // Get capture timestamp and resultExtras from list of in-flight requests, 1769 // where it was added by the shutter notification for this frame. 1770 // Then update the in-flight status and remove the in-flight entry if 1771 // all result data has been received. 1772 nsecs_t timestamp = 0; 1773 { 1774 Mutex::Autolock l(mInFlightLock); 1775 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1776 if (idx == NAME_NOT_FOUND) { 1777 SET_ERR("Unknown frame number for capture result: %d", 1778 frameNumber); 1779 return; 1780 } 1781 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1782 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1783 ", burstId = %" PRId32, 1784 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1785 request.resultExtras.burstId); 1786 // Always update the partial count to the latest one. When framework aggregates adjacent 1787 // partial results into one, the latest partial count will be used. 1788 request.resultExtras.partialResultCount = result->partial_result; 1789 1790 // Check if this result carries only partial metadata 1791 if (mUsePartialResult && result->result != NULL) { 1792 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 1793 if (result->partial_result > mNumPartialResults || result->partial_result < 1) { 1794 SET_ERR("Result is malformed for frame %d: partial_result %u must be in" 1795 " the range of [1, %d] when metadata is included in the result", 1796 frameNumber, result->partial_result, mNumPartialResults); 1797 return; 1798 } 1799 isPartialResult = (result->partial_result < mNumPartialResults); 1800 if (isPartialResult) { 1801 request.partialResult.collectedResult.append(result->result); 1802 } 1803 } else { 1804 camera_metadata_ro_entry_t partialResultEntry; 1805 res = find_camera_metadata_ro_entry(result->result, 1806 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1807 if (res != NAME_NOT_FOUND && 1808 partialResultEntry.count > 0 && 1809 partialResultEntry.data.u8[0] == 1810 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1811 // A partial result. Flag this as such, and collect this 1812 // set of metadata into the in-flight entry. 1813 isPartialResult = true; 1814 request.partialResult.collectedResult.append( 1815 result->result); 1816 request.partialResult.collectedResult.erase( 1817 ANDROID_QUIRKS_PARTIAL_RESULT); 1818 } 1819 } 1820 1821 if (isPartialResult) { 1822 // Fire off a 3A-only result if possible 1823 if (!request.partialResult.haveSent3A) { 1824 request.partialResult.haveSent3A = 1825 processPartial3AResult(frameNumber, 1826 request.partialResult.collectedResult, 1827 request.resultExtras); 1828 } 1829 } 1830 } 1831 1832 timestamp = request.captureTimestamp; 1833 resultExtras = request.resultExtras; 1834 hasInputBufferInRequest = request.hasInputBuffer; 1835 1836 /** 1837 * One of the following must happen before it's legal to call process_capture_result, 1838 * unless partial metadata is being provided: 1839 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1840 * - CAMERA3_MSG_ERROR (expected during flush) 1841 */ 1842 if (request.requestStatus == OK && timestamp == 0 && !isPartialResult) { 1843 SET_ERR("Called before shutter notify for frame %d", 1844 frameNumber); 1845 return; 1846 } 1847 1848 // Did we get the (final) result metadata for this capture? 1849 if (result->result != NULL && !isPartialResult) { 1850 if (request.haveResultMetadata) { 1851 SET_ERR("Called multiple times with metadata for frame %d", 1852 frameNumber); 1853 return; 1854 } 1855 if (mUsePartialResult && 1856 !request.partialResult.collectedResult.isEmpty()) { 1857 collectedPartialResult.acquire( 1858 request.partialResult.collectedResult); 1859 } 1860 request.haveResultMetadata = true; 1861 } 1862 1863 uint32_t numBuffersReturned = result->num_output_buffers; 1864 if (result->input_buffer != NULL) { 1865 if (hasInputBufferInRequest) { 1866 numBuffersReturned += 1; 1867 } else { 1868 ALOGW("%s: Input buffer should be NULL if there is no input" 1869 " buffer sent in the request", 1870 __FUNCTION__); 1871 } 1872 } 1873 request.numBuffersLeft -= numBuffersReturned; 1874 if (request.numBuffersLeft < 0) { 1875 SET_ERR("Too many buffers returned for frame %d", 1876 frameNumber); 1877 return; 1878 } 1879 1880 // Check if everything has arrived for this result (buffers and metadata), remove it from 1881 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 1882 if ((request.requestStatus != OK) || 1883 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 1884 ATRACE_ASYNC_END("frame capture", frameNumber); 1885 mInFlightMap.removeItemsAt(idx, 1); 1886 } 1887 1888 // Sanity check - if we have too many in-flight frames, something has 1889 // likely gone wrong 1890 if (mInFlightMap.size() > kInFlightWarnLimit) { 1891 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1892 } 1893 1894 } 1895 1896 // Process the result metadata, if provided 1897 bool gotResult = false; 1898 if (result->result != NULL && !isPartialResult) { 1899 Mutex::Autolock l(mOutputLock); 1900 1901 gotResult = true; 1902 1903 // TODO: need to track errors for tighter bounds on expected frame number 1904 if (frameNumber < mNextResultFrameNumber) { 1905 SET_ERR("Out-of-order capture result metadata submitted! " 1906 "(got frame number %d, expecting %d)", 1907 frameNumber, mNextResultFrameNumber); 1908 return; 1909 } 1910 mNextResultFrameNumber = frameNumber + 1; 1911 1912 CaptureResult captureResult; 1913 captureResult.mResultExtras = resultExtras; 1914 captureResult.mMetadata = result->result; 1915 1916 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1917 (int32_t*)&frameNumber, 1) != OK) { 1918 SET_ERR("Failed to set frame# in metadata (%d)", 1919 frameNumber); 1920 gotResult = false; 1921 } else { 1922 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1923 __FUNCTION__, mId, frameNumber); 1924 } 1925 1926 // Append any previous partials to form a complete result 1927 if (mUsePartialResult && !collectedPartialResult.isEmpty()) { 1928 captureResult.mMetadata.append(collectedPartialResult); 1929 } 1930 1931 captureResult.mMetadata.sort(); 1932 1933 // Check that there's a timestamp in the result metadata 1934 1935 camera_metadata_entry entry = 1936 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1937 if (entry.count == 0) { 1938 SET_ERR("No timestamp provided by HAL for frame %d!", 1939 frameNumber); 1940 gotResult = false; 1941 } else if (timestamp != entry.data.i64[0]) { 1942 SET_ERR("Timestamp mismatch between shutter notify and result" 1943 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 1944 frameNumber, timestamp, entry.data.i64[0]); 1945 gotResult = false; 1946 } 1947 1948 if (gotResult) { 1949 // Valid result, insert into queue 1950 List<CaptureResult>::iterator queuedResult = 1951 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1952 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1953 ", burstId = %" PRId32, __FUNCTION__, 1954 queuedResult->mResultExtras.requestId, 1955 queuedResult->mResultExtras.frameNumber, 1956 queuedResult->mResultExtras.burstId); 1957 } 1958 } // scope for mOutputLock 1959 1960 // Return completed buffers to their streams with the timestamp 1961 1962 for (size_t i = 0; i < result->num_output_buffers; i++) { 1963 Camera3Stream *stream = 1964 Camera3Stream::cast(result->output_buffers[i].stream); 1965 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1966 // Note: stream may be deallocated at this point, if this buffer was the 1967 // last reference to it. 1968 if (res != OK) { 1969 ALOGE("Can't return buffer %zu for frame %d to its stream: " 1970 " %s (%d)", i, frameNumber, strerror(-res), res); 1971 } 1972 } 1973 1974 if (result->input_buffer != NULL) { 1975 if (hasInputBufferInRequest) { 1976 Camera3Stream *stream = 1977 Camera3Stream::cast(result->input_buffer->stream); 1978 res = stream->returnInputBuffer(*(result->input_buffer)); 1979 // Note: stream may be deallocated at this point, if this buffer was the 1980 // last reference to it. 1981 if (res != OK) { 1982 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 1983 " its stream:%s (%d)", __FUNCTION__, 1984 frameNumber, strerror(-res), res); 1985 } 1986 } else { 1987 ALOGW("%s: Input buffer should be NULL if there is no input" 1988 " buffer sent in the request, skipping input buffer return.", 1989 __FUNCTION__); 1990 } 1991 } 1992 1993 // Finally, signal any waiters for new frames 1994 1995 if (gotResult) { 1996 mResultSignal.signal(); 1997 } 1998 1999} 2000 2001void Camera3Device::notify(const camera3_notify_msg *msg) { 2002 ATRACE_CALL(); 2003 NotificationListener *listener; 2004 { 2005 Mutex::Autolock l(mOutputLock); 2006 listener = mListener; 2007 } 2008 2009 if (msg == NULL) { 2010 SET_ERR("HAL sent NULL notify message!"); 2011 return; 2012 } 2013 2014 switch (msg->type) { 2015 case CAMERA3_MSG_ERROR: { 2016 int streamId = 0; 2017 if (msg->message.error.error_stream != NULL) { 2018 Camera3Stream *stream = 2019 Camera3Stream::cast( 2020 msg->message.error.error_stream); 2021 streamId = stream->getId(); 2022 } 2023 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 2024 mId, __FUNCTION__, msg->message.error.frame_number, 2025 streamId, msg->message.error.error_code); 2026 2027 CaptureResultExtras resultExtras; 2028 // Set request error status for the request in the in-flight tracking 2029 { 2030 Mutex::Autolock l(mInFlightLock); 2031 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 2032 if (idx >= 0) { 2033 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2034 r.requestStatus = msg->message.error.error_code; 2035 resultExtras = r.resultExtras; 2036 } else { 2037 resultExtras.frameNumber = msg->message.error.frame_number; 2038 ALOGE("Camera %d: %s: cannot find in-flight request on frame %" PRId64 2039 " error", mId, __FUNCTION__, resultExtras.frameNumber); 2040 } 2041 } 2042 2043 if (listener != NULL) { 2044 if (msg->message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) { 2045 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 2046 resultExtras); 2047 } 2048 } else { 2049 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 2050 } 2051 break; 2052 } 2053 case CAMERA3_MSG_SHUTTER: { 2054 ssize_t idx; 2055 uint32_t frameNumber = msg->message.shutter.frame_number; 2056 nsecs_t timestamp = msg->message.shutter.timestamp; 2057 // Verify ordering of shutter notifications 2058 { 2059 Mutex::Autolock l(mOutputLock); 2060 // TODO: need to track errors for tighter bounds on expected frame number. 2061 if (frameNumber < mNextShutterFrameNumber) { 2062 SET_ERR("Shutter notification out-of-order. Expected " 2063 "notification for frame %d, got frame %d", 2064 mNextShutterFrameNumber, frameNumber); 2065 break; 2066 } 2067 mNextShutterFrameNumber = frameNumber + 1; 2068 } 2069 2070 CaptureResultExtras resultExtras; 2071 2072 // Set timestamp for the request in the in-flight tracking 2073 // and get the request ID to send upstream 2074 { 2075 Mutex::Autolock l(mInFlightLock); 2076 idx = mInFlightMap.indexOfKey(frameNumber); 2077 if (idx >= 0) { 2078 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2079 r.captureTimestamp = timestamp; 2080 resultExtras = r.resultExtras; 2081 } 2082 } 2083 if (idx < 0) { 2084 SET_ERR("Shutter notification for non-existent frame number %d", 2085 frameNumber); 2086 break; 2087 } 2088 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2089 mId, __FUNCTION__, frameNumber, resultExtras.requestId, timestamp); 2090 // Call listener, if any 2091 if (listener != NULL) { 2092 listener->notifyShutter(resultExtras, timestamp); 2093 } 2094 break; 2095 } 2096 default: 2097 SET_ERR("Unknown notify message from HAL: %d", 2098 msg->type); 2099 } 2100} 2101 2102CameraMetadata Camera3Device::getLatestRequestLocked() { 2103 ALOGV("%s", __FUNCTION__); 2104 2105 CameraMetadata retVal; 2106 2107 if (mRequestThread != NULL) { 2108 retVal = mRequestThread->getLatestRequest(); 2109 } 2110 2111 return retVal; 2112} 2113 2114 2115/** 2116 * RequestThread inner class methods 2117 */ 2118 2119Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2120 sp<StatusTracker> statusTracker, 2121 camera3_device_t *hal3Device) : 2122 Thread(false), 2123 mParent(parent), 2124 mStatusTracker(statusTracker), 2125 mHal3Device(hal3Device), 2126 mId(getId(parent)), 2127 mReconfigured(false), 2128 mDoPause(false), 2129 mPaused(true), 2130 mFrameNumber(0), 2131 mLatestRequestId(NAME_NOT_FOUND), 2132 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2133 mStatusId = statusTracker->addComponent(); 2134} 2135 2136void Camera3Device::RequestThread::configurationComplete() { 2137 Mutex::Autolock l(mRequestLock); 2138 mReconfigured = true; 2139} 2140 2141status_t Camera3Device::RequestThread::queueRequestList( 2142 List<sp<CaptureRequest> > &requests, 2143 /*out*/ 2144 int64_t *lastFrameNumber) { 2145 Mutex::Autolock l(mRequestLock); 2146 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2147 ++it) { 2148 mRequestQueue.push_back(*it); 2149 } 2150 2151 if (lastFrameNumber != NULL) { 2152 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2153 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2154 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2155 *lastFrameNumber); 2156 } 2157 2158 unpauseForNewRequests(); 2159 2160 return OK; 2161} 2162 2163 2164status_t Camera3Device::RequestThread::queueTrigger( 2165 RequestTrigger trigger[], 2166 size_t count) { 2167 2168 Mutex::Autolock l(mTriggerMutex); 2169 status_t ret; 2170 2171 for (size_t i = 0; i < count; ++i) { 2172 ret = queueTriggerLocked(trigger[i]); 2173 2174 if (ret != OK) { 2175 return ret; 2176 } 2177 } 2178 2179 return OK; 2180} 2181 2182int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2183 sp<Camera3Device> d = device.promote(); 2184 if (d != NULL) return d->mId; 2185 return 0; 2186} 2187 2188status_t Camera3Device::RequestThread::queueTriggerLocked( 2189 RequestTrigger trigger) { 2190 2191 uint32_t tag = trigger.metadataTag; 2192 ssize_t index = mTriggerMap.indexOfKey(tag); 2193 2194 switch (trigger.getTagType()) { 2195 case TYPE_BYTE: 2196 // fall-through 2197 case TYPE_INT32: 2198 break; 2199 default: 2200 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2201 trigger.getTagType()); 2202 return INVALID_OPERATION; 2203 } 2204 2205 /** 2206 * Collect only the latest trigger, since we only have 1 field 2207 * in the request settings per trigger tag, and can't send more than 1 2208 * trigger per request. 2209 */ 2210 if (index != NAME_NOT_FOUND) { 2211 mTriggerMap.editValueAt(index) = trigger; 2212 } else { 2213 mTriggerMap.add(tag, trigger); 2214 } 2215 2216 return OK; 2217} 2218 2219status_t Camera3Device::RequestThread::setRepeatingRequests( 2220 const RequestList &requests, 2221 /*out*/ 2222 int64_t *lastFrameNumber) { 2223 Mutex::Autolock l(mRequestLock); 2224 if (lastFrameNumber != NULL) { 2225 *lastFrameNumber = mRepeatingLastFrameNumber; 2226 } 2227 mRepeatingRequests.clear(); 2228 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2229 requests.begin(), requests.end()); 2230 2231 unpauseForNewRequests(); 2232 2233 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2234 return OK; 2235} 2236 2237bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2238 if (mRepeatingRequests.empty()) { 2239 return false; 2240 } 2241 int32_t requestId = requestIn->mResultExtras.requestId; 2242 const RequestList &repeatRequests = mRepeatingRequests; 2243 // All repeating requests are guaranteed to have same id so only check first quest 2244 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2245 return (firstRequest->mResultExtras.requestId == requestId); 2246} 2247 2248status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2249 Mutex::Autolock l(mRequestLock); 2250 mRepeatingRequests.clear(); 2251 if (lastFrameNumber != NULL) { 2252 *lastFrameNumber = mRepeatingLastFrameNumber; 2253 } 2254 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2255 return OK; 2256} 2257 2258status_t Camera3Device::RequestThread::clear(/*out*/int64_t *lastFrameNumber) { 2259 Mutex::Autolock l(mRequestLock); 2260 ALOGV("RequestThread::%s:", __FUNCTION__); 2261 mRepeatingRequests.clear(); 2262 2263 // Decrement repeating frame count for those requests never sent to device 2264 // TODO: Remove this after we have proper error handling so these requests 2265 // will generate an error callback. This might be the only place calling 2266 // isRepeatingRequestLocked. If so, isRepeatingRequestLocked should also be removed. 2267 const RequestList &requests = mRequestQueue; 2268 for (RequestList::const_iterator it = requests.begin(); 2269 it != requests.end(); ++it) { 2270 if (isRepeatingRequestLocked(*it)) { 2271 mRepeatingLastFrameNumber--; 2272 } 2273 } 2274 mRequestQueue.clear(); 2275 mTriggerMap.clear(); 2276 if (lastFrameNumber != NULL) { 2277 *lastFrameNumber = mRepeatingLastFrameNumber; 2278 } 2279 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2280 return OK; 2281} 2282 2283void Camera3Device::RequestThread::setPaused(bool paused) { 2284 Mutex::Autolock l(mPauseLock); 2285 mDoPause = paused; 2286 mDoPauseSignal.signal(); 2287} 2288 2289status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2290 int32_t requestId, nsecs_t timeout) { 2291 Mutex::Autolock l(mLatestRequestMutex); 2292 status_t res; 2293 while (mLatestRequestId != requestId) { 2294 nsecs_t startTime = systemTime(); 2295 2296 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2297 if (res != OK) return res; 2298 2299 timeout -= (systemTime() - startTime); 2300 } 2301 2302 return OK; 2303} 2304 2305void Camera3Device::RequestThread::requestExit() { 2306 // Call parent to set up shutdown 2307 Thread::requestExit(); 2308 // The exit from any possible waits 2309 mDoPauseSignal.signal(); 2310 mRequestSignal.signal(); 2311} 2312 2313bool Camera3Device::RequestThread::threadLoop() { 2314 2315 status_t res; 2316 2317 // Handle paused state. 2318 if (waitIfPaused()) { 2319 return true; 2320 } 2321 2322 // Get work to do 2323 2324 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2325 if (nextRequest == NULL) { 2326 return true; 2327 } 2328 2329 // Create request to HAL 2330 camera3_capture_request_t request = camera3_capture_request_t(); 2331 request.frame_number = nextRequest->mResultExtras.frameNumber; 2332 Vector<camera3_stream_buffer_t> outputBuffers; 2333 2334 // Get the request ID, if any 2335 int requestId; 2336 camera_metadata_entry_t requestIdEntry = 2337 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2338 if (requestIdEntry.count > 0) { 2339 requestId = requestIdEntry.data.i32[0]; 2340 } else { 2341 ALOGW("%s: Did not have android.request.id set in the request", 2342 __FUNCTION__); 2343 requestId = NAME_NOT_FOUND; 2344 } 2345 2346 // Insert any queued triggers (before metadata is locked) 2347 int32_t triggerCount; 2348 res = insertTriggers(nextRequest); 2349 if (res < 0) { 2350 SET_ERR("RequestThread: Unable to insert triggers " 2351 "(capture request %d, HAL device: %s (%d)", 2352 request.frame_number, strerror(-res), res); 2353 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2354 return false; 2355 } 2356 triggerCount = res; 2357 2358 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2359 2360 // If the request is the same as last, or we had triggers last time 2361 if (mPrevRequest != nextRequest || triggersMixedIn) { 2362 /** 2363 * HAL workaround: 2364 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2365 */ 2366 res = addDummyTriggerIds(nextRequest); 2367 if (res != OK) { 2368 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2369 "(capture request %d, HAL device: %s (%d)", 2370 request.frame_number, strerror(-res), res); 2371 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2372 return false; 2373 } 2374 2375 /** 2376 * The request should be presorted so accesses in HAL 2377 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2378 */ 2379 nextRequest->mSettings.sort(); 2380 request.settings = nextRequest->mSettings.getAndLock(); 2381 mPrevRequest = nextRequest; 2382 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2383 2384 IF_ALOGV() { 2385 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2386 find_camera_metadata_ro_entry( 2387 request.settings, 2388 ANDROID_CONTROL_AF_TRIGGER, 2389 &e 2390 ); 2391 if (e.count > 0) { 2392 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2393 __FUNCTION__, 2394 request.frame_number, 2395 e.data.u8[0]); 2396 } 2397 } 2398 } else { 2399 // leave request.settings NULL to indicate 'reuse latest given' 2400 ALOGVV("%s: Request settings are REUSED", 2401 __FUNCTION__); 2402 } 2403 2404 camera3_stream_buffer_t inputBuffer; 2405 uint32_t totalNumBuffers = 0; 2406 2407 // Fill in buffers 2408 2409 if (nextRequest->mInputStream != NULL) { 2410 request.input_buffer = &inputBuffer; 2411 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2412 if (res != OK) { 2413 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2414 " %s (%d)", strerror(-res), res); 2415 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2416 return true; 2417 } 2418 totalNumBuffers += 1; 2419 } else { 2420 request.input_buffer = NULL; 2421 } 2422 2423 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2424 nextRequest->mOutputStreams.size()); 2425 request.output_buffers = outputBuffers.array(); 2426 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2427 res = nextRequest->mOutputStreams.editItemAt(i)-> 2428 getBuffer(&outputBuffers.editItemAt(i)); 2429 if (res != OK) { 2430 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2431 " %s (%d)", strerror(-res), res); 2432 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2433 return true; 2434 } 2435 request.num_output_buffers++; 2436 } 2437 totalNumBuffers += request.num_output_buffers; 2438 2439 // Log request in the in-flight queue 2440 sp<Camera3Device> parent = mParent.promote(); 2441 if (parent == NULL) { 2442 CLOGE("RequestThread: Parent is gone"); 2443 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2444 return false; 2445 } 2446 2447 res = parent->registerInFlight(request.frame_number, 2448 totalNumBuffers, nextRequest->mResultExtras, 2449 /*hasInput*/request.input_buffer != NULL); 2450 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2451 ", burstId = %" PRId32 ".", 2452 __FUNCTION__, 2453 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2454 nextRequest->mResultExtras.burstId); 2455 if (res != OK) { 2456 SET_ERR("RequestThread: Unable to register new in-flight request:" 2457 " %s (%d)", strerror(-res), res); 2458 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2459 return false; 2460 } 2461 2462 // Inform waitUntilRequestProcessed thread of a new request ID 2463 { 2464 Mutex::Autolock al(mLatestRequestMutex); 2465 2466 mLatestRequestId = requestId; 2467 mLatestRequestSignal.signal(); 2468 } 2469 2470 // Submit request and block until ready for next one 2471 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2472 ATRACE_BEGIN("camera3->process_capture_request"); 2473 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2474 ATRACE_END(); 2475 2476 if (res != OK) { 2477 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2478 " device: %s (%d)", request.frame_number, strerror(-res), res); 2479 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2480 return false; 2481 } 2482 2483 // Update the latest request sent to HAL 2484 if (request.settings != NULL) { // Don't update them if they were unchanged 2485 Mutex::Autolock al(mLatestRequestMutex); 2486 2487 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2488 mLatestRequest.acquire(cloned); 2489 } 2490 2491 if (request.settings != NULL) { 2492 nextRequest->mSettings.unlock(request.settings); 2493 } 2494 2495 // Remove any previously queued triggers (after unlock) 2496 res = removeTriggers(mPrevRequest); 2497 if (res != OK) { 2498 SET_ERR("RequestThread: Unable to remove triggers " 2499 "(capture request %d, HAL device: %s (%d)", 2500 request.frame_number, strerror(-res), res); 2501 return false; 2502 } 2503 mPrevTriggers = triggerCount; 2504 2505 return true; 2506} 2507 2508CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2509 Mutex::Autolock al(mLatestRequestMutex); 2510 2511 ALOGV("RequestThread::%s", __FUNCTION__); 2512 2513 return mLatestRequest; 2514} 2515 2516 2517void Camera3Device::RequestThread::cleanUpFailedRequest( 2518 camera3_capture_request_t &request, 2519 sp<CaptureRequest> &nextRequest, 2520 Vector<camera3_stream_buffer_t> &outputBuffers) { 2521 2522 if (request.settings != NULL) { 2523 nextRequest->mSettings.unlock(request.settings); 2524 } 2525 if (request.input_buffer != NULL) { 2526 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2527 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2528 } 2529 for (size_t i = 0; i < request.num_output_buffers; i++) { 2530 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2531 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2532 outputBuffers[i], 0); 2533 } 2534} 2535 2536sp<Camera3Device::CaptureRequest> 2537 Camera3Device::RequestThread::waitForNextRequest() { 2538 status_t res; 2539 sp<CaptureRequest> nextRequest; 2540 2541 // Optimized a bit for the simple steady-state case (single repeating 2542 // request), to avoid putting that request in the queue temporarily. 2543 Mutex::Autolock l(mRequestLock); 2544 2545 while (mRequestQueue.empty()) { 2546 if (!mRepeatingRequests.empty()) { 2547 // Always atomically enqueue all requests in a repeating request 2548 // list. Guarantees a complete in-sequence set of captures to 2549 // application. 2550 const RequestList &requests = mRepeatingRequests; 2551 RequestList::const_iterator firstRequest = 2552 requests.begin(); 2553 nextRequest = *firstRequest; 2554 mRequestQueue.insert(mRequestQueue.end(), 2555 ++firstRequest, 2556 requests.end()); 2557 // No need to wait any longer 2558 2559 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2560 2561 break; 2562 } 2563 2564 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2565 2566 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2567 exitPending()) { 2568 Mutex::Autolock pl(mPauseLock); 2569 if (mPaused == false) { 2570 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2571 mPaused = true; 2572 // Let the tracker know 2573 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2574 if (statusTracker != 0) { 2575 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2576 } 2577 } 2578 // Stop waiting for now and let thread management happen 2579 return NULL; 2580 } 2581 } 2582 2583 if (nextRequest == NULL) { 2584 // Don't have a repeating request already in hand, so queue 2585 // must have an entry now. 2586 RequestList::iterator firstRequest = 2587 mRequestQueue.begin(); 2588 nextRequest = *firstRequest; 2589 mRequestQueue.erase(firstRequest); 2590 } 2591 2592 // In case we've been unpaused by setPaused clearing mDoPause, need to 2593 // update internal pause state (capture/setRepeatingRequest unpause 2594 // directly). 2595 Mutex::Autolock pl(mPauseLock); 2596 if (mPaused) { 2597 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2598 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2599 if (statusTracker != 0) { 2600 statusTracker->markComponentActive(mStatusId); 2601 } 2602 } 2603 mPaused = false; 2604 2605 // Check if we've reconfigured since last time, and reset the preview 2606 // request if so. Can't use 'NULL request == repeat' across configure calls. 2607 if (mReconfigured) { 2608 mPrevRequest.clear(); 2609 mReconfigured = false; 2610 } 2611 2612 if (nextRequest != NULL) { 2613 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2614 } 2615 return nextRequest; 2616} 2617 2618bool Camera3Device::RequestThread::waitIfPaused() { 2619 status_t res; 2620 Mutex::Autolock l(mPauseLock); 2621 while (mDoPause) { 2622 if (mPaused == false) { 2623 mPaused = true; 2624 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2625 // Let the tracker know 2626 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2627 if (statusTracker != 0) { 2628 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2629 } 2630 } 2631 2632 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2633 if (res == TIMED_OUT || exitPending()) { 2634 return true; 2635 } 2636 } 2637 // We don't set mPaused to false here, because waitForNextRequest needs 2638 // to further manage the paused state in case of starvation. 2639 return false; 2640} 2641 2642void Camera3Device::RequestThread::unpauseForNewRequests() { 2643 // With work to do, mark thread as unpaused. 2644 // If paused by request (setPaused), don't resume, to avoid 2645 // extra signaling/waiting overhead to waitUntilPaused 2646 mRequestSignal.signal(); 2647 Mutex::Autolock p(mPauseLock); 2648 if (!mDoPause) { 2649 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2650 if (mPaused) { 2651 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2652 if (statusTracker != 0) { 2653 statusTracker->markComponentActive(mStatusId); 2654 } 2655 } 2656 mPaused = false; 2657 } 2658} 2659 2660void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2661 sp<Camera3Device> parent = mParent.promote(); 2662 if (parent != NULL) { 2663 va_list args; 2664 va_start(args, fmt); 2665 2666 parent->setErrorStateV(fmt, args); 2667 2668 va_end(args); 2669 } 2670} 2671 2672status_t Camera3Device::RequestThread::insertTriggers( 2673 const sp<CaptureRequest> &request) { 2674 2675 Mutex::Autolock al(mTriggerMutex); 2676 2677 sp<Camera3Device> parent = mParent.promote(); 2678 if (parent == NULL) { 2679 CLOGE("RequestThread: Parent is gone"); 2680 return DEAD_OBJECT; 2681 } 2682 2683 CameraMetadata &metadata = request->mSettings; 2684 size_t count = mTriggerMap.size(); 2685 2686 for (size_t i = 0; i < count; ++i) { 2687 RequestTrigger trigger = mTriggerMap.valueAt(i); 2688 uint32_t tag = trigger.metadataTag; 2689 2690 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2691 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2692 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2693 isAeTrigger ? request->mResultExtras.precaptureTriggerId = triggerId : 2694 request->mResultExtras.afTriggerId = triggerId; 2695 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2696 continue; // Trigger ID tag is deprecated since device HAL 3.2 2697 } 2698 } 2699 2700 camera_metadata_entry entry = metadata.find(tag); 2701 2702 if (entry.count > 0) { 2703 /** 2704 * Already has an entry for this trigger in the request. 2705 * Rewrite it with our requested trigger value. 2706 */ 2707 RequestTrigger oldTrigger = trigger; 2708 2709 oldTrigger.entryValue = entry.data.u8[0]; 2710 2711 mTriggerReplacedMap.add(tag, oldTrigger); 2712 } else { 2713 /** 2714 * More typical, no trigger entry, so we just add it 2715 */ 2716 mTriggerRemovedMap.add(tag, trigger); 2717 } 2718 2719 status_t res; 2720 2721 switch (trigger.getTagType()) { 2722 case TYPE_BYTE: { 2723 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2724 res = metadata.update(tag, 2725 &entryValue, 2726 /*count*/1); 2727 break; 2728 } 2729 case TYPE_INT32: 2730 res = metadata.update(tag, 2731 &trigger.entryValue, 2732 /*count*/1); 2733 break; 2734 default: 2735 ALOGE("%s: Type not supported: 0x%x", 2736 __FUNCTION__, 2737 trigger.getTagType()); 2738 return INVALID_OPERATION; 2739 } 2740 2741 if (res != OK) { 2742 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2743 ", value %d", __FUNCTION__, trigger.getTagName(), 2744 trigger.entryValue); 2745 return res; 2746 } 2747 2748 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2749 trigger.getTagName(), 2750 trigger.entryValue); 2751 } 2752 2753 mTriggerMap.clear(); 2754 2755 return count; 2756} 2757 2758status_t Camera3Device::RequestThread::removeTriggers( 2759 const sp<CaptureRequest> &request) { 2760 Mutex::Autolock al(mTriggerMutex); 2761 2762 CameraMetadata &metadata = request->mSettings; 2763 2764 /** 2765 * Replace all old entries with their old values. 2766 */ 2767 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2768 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2769 2770 status_t res; 2771 2772 uint32_t tag = trigger.metadataTag; 2773 switch (trigger.getTagType()) { 2774 case TYPE_BYTE: { 2775 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2776 res = metadata.update(tag, 2777 &entryValue, 2778 /*count*/1); 2779 break; 2780 } 2781 case TYPE_INT32: 2782 res = metadata.update(tag, 2783 &trigger.entryValue, 2784 /*count*/1); 2785 break; 2786 default: 2787 ALOGE("%s: Type not supported: 0x%x", 2788 __FUNCTION__, 2789 trigger.getTagType()); 2790 return INVALID_OPERATION; 2791 } 2792 2793 if (res != OK) { 2794 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2795 ", trigger value %d", __FUNCTION__, 2796 trigger.getTagName(), trigger.entryValue); 2797 return res; 2798 } 2799 } 2800 mTriggerReplacedMap.clear(); 2801 2802 /** 2803 * Remove all new entries. 2804 */ 2805 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2806 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2807 status_t res = metadata.erase(trigger.metadataTag); 2808 2809 if (res != OK) { 2810 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2811 ", trigger value %d", __FUNCTION__, 2812 trigger.getTagName(), trigger.entryValue); 2813 return res; 2814 } 2815 } 2816 mTriggerRemovedMap.clear(); 2817 2818 return OK; 2819} 2820 2821status_t Camera3Device::RequestThread::addDummyTriggerIds( 2822 const sp<CaptureRequest> &request) { 2823 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2824 static const int32_t dummyTriggerId = 1; 2825 status_t res; 2826 2827 CameraMetadata &metadata = request->mSettings; 2828 2829 // If AF trigger is active, insert a dummy AF trigger ID if none already 2830 // exists 2831 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2832 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2833 if (afTrigger.count > 0 && 2834 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2835 afId.count == 0) { 2836 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2837 if (res != OK) return res; 2838 } 2839 2840 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2841 // if none already exists 2842 camera_metadata_entry pcTrigger = 2843 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2844 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2845 if (pcTrigger.count > 0 && 2846 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2847 pcId.count == 0) { 2848 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2849 &dummyTriggerId, 1); 2850 if (res != OK) return res; 2851 } 2852 2853 return OK; 2854} 2855 2856 2857/** 2858 * Static callback forwarding methods from HAL to instance 2859 */ 2860 2861void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2862 const camera3_capture_result *result) { 2863 Camera3Device *d = 2864 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2865 d->processCaptureResult(result); 2866} 2867 2868void Camera3Device::sNotify(const camera3_callback_ops *cb, 2869 const camera3_notify_msg *msg) { 2870 Camera3Device *d = 2871 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2872 d->notify(msg); 2873} 2874 2875}; // namespace android 2876