Camera3Device.cpp revision 5d76e1a639c1bae9ea7d9af1124abf1c94353344
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 return OK; 1501} 1502 1503void Camera3Device::setErrorState(const char *fmt, ...) { 1504 Mutex::Autolock l(mLock); 1505 va_list args; 1506 va_start(args, fmt); 1507 1508 setErrorStateLockedV(fmt, args); 1509 1510 va_end(args); 1511} 1512 1513void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1514 Mutex::Autolock l(mLock); 1515 setErrorStateLockedV(fmt, args); 1516} 1517 1518void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1519 va_list args; 1520 va_start(args, fmt); 1521 1522 setErrorStateLockedV(fmt, args); 1523 1524 va_end(args); 1525} 1526 1527void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1528 // Print out all error messages to log 1529 String8 errorCause = String8::formatV(fmt, args); 1530 ALOGE("Camera %d: %s", mId, errorCause.string()); 1531 1532 // But only do error state transition steps for the first error 1533 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1534 1535 // Save stack trace. View by dumping it later. 1536 CameraTraces::saveTrace(); 1537 // TODO: consider adding errorCause and client pid/procname 1538 1539 mErrorCause = errorCause; 1540 1541 mRequestThread->setPaused(true); 1542 mStatus = STATUS_ERROR; 1543} 1544 1545/** 1546 * In-flight request management 1547 */ 1548 1549status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1550 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput) { 1551 ATRACE_CALL(); 1552 Mutex::Autolock l(mInFlightLock); 1553 1554 ssize_t res; 1555 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput)); 1556 if (res < 0) return res; 1557 1558 return OK; 1559} 1560 1561/** 1562 * Check if all 3A fields are ready, and send off a partial 3A-only result 1563 * to the output frame queue 1564 */ 1565bool Camera3Device::processPartial3AResult( 1566 uint32_t frameNumber, 1567 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1568 1569 // Check if all 3A states are present 1570 // The full list of fields is 1571 // android.control.afMode 1572 // android.control.awbMode 1573 // android.control.aeState 1574 // android.control.awbState 1575 // android.control.afState 1576 // android.control.afTriggerID 1577 // android.control.aePrecaptureID 1578 // TODO: Add android.control.aeMode 1579 1580 bool gotAllStates = true; 1581 1582 uint8_t afMode; 1583 uint8_t awbMode; 1584 uint8_t aeState; 1585 uint8_t afState; 1586 uint8_t awbState; 1587 1588 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1589 &afMode, frameNumber); 1590 1591 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1592 &awbMode, frameNumber); 1593 1594 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1595 &aeState, frameNumber); 1596 1597 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1598 &afState, frameNumber); 1599 1600 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1601 &awbState, frameNumber); 1602 1603 if (!gotAllStates) return false; 1604 1605 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1606 "AF state %d, AE state %d, AWB state %d, " 1607 "AF trigger %d, AE precapture trigger %d", 1608 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1609 afMode, awbMode, 1610 afState, aeState, awbState, 1611 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1612 1613 // Got all states, so construct a minimal result to send 1614 // In addition to the above fields, this means adding in 1615 // android.request.frameCount 1616 // android.request.requestId 1617 // android.quirks.partialResult (for HAL version below HAL3.2) 1618 1619 const size_t kMinimal3AResultEntries = 10; 1620 1621 Mutex::Autolock l(mOutputLock); 1622 1623 CaptureResult captureResult; 1624 captureResult.mResultExtras = resultExtras; 1625 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1626 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1627 // but not limited to CameraDeviceBase::getNextResult 1628 CaptureResult& min3AResult = 1629 *mResultQueue.insert(mResultQueue.end(), captureResult); 1630 1631 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1632 // TODO: This is problematic casting. Need to fix CameraMetadata. 1633 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1634 return false; 1635 } 1636 1637 int32_t requestId = resultExtras.requestId; 1638 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1639 &requestId, frameNumber)) { 1640 return false; 1641 } 1642 1643 if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) { 1644 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1645 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1646 &partialResult, frameNumber)) { 1647 return false; 1648 } 1649 } 1650 1651 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1652 &afMode, frameNumber)) { 1653 return false; 1654 } 1655 1656 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1657 &awbMode, frameNumber)) { 1658 return false; 1659 } 1660 1661 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1662 &aeState, frameNumber)) { 1663 return false; 1664 } 1665 1666 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1667 &afState, frameNumber)) { 1668 return false; 1669 } 1670 1671 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1672 &awbState, frameNumber)) { 1673 return false; 1674 } 1675 1676 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1677 &resultExtras.afTriggerId, frameNumber)) { 1678 return false; 1679 } 1680 1681 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1682 &resultExtras.precaptureTriggerId, frameNumber)) { 1683 return false; 1684 } 1685 1686 // We only send the aggregated partial when all 3A related metadata are available 1687 // For both API1 and API2. 1688 // TODO: we probably should pass through all partials to API2 unconditionally. 1689 mResultSignal.signal(); 1690 1691 return true; 1692} 1693 1694template<typename T> 1695bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1696 T* value, uint32_t frameNumber) { 1697 (void) frameNumber; 1698 1699 camera_metadata_ro_entry_t entry; 1700 1701 entry = result.find(tag); 1702 if (entry.count == 0) { 1703 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1704 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1705 return false; 1706 } 1707 1708 if (sizeof(T) == sizeof(uint8_t)) { 1709 *value = entry.data.u8[0]; 1710 } else if (sizeof(T) == sizeof(int32_t)) { 1711 *value = entry.data.i32[0]; 1712 } else { 1713 ALOGE("%s: Unexpected type", __FUNCTION__); 1714 return false; 1715 } 1716 return true; 1717} 1718 1719template<typename T> 1720bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1721 const T* value, uint32_t frameNumber) { 1722 if (result.update(tag, value, 1) != NO_ERROR) { 1723 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1724 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1725 frameNumber, get_camera_metadata_tag_name(tag)); 1726 return false; 1727 } 1728 return true; 1729} 1730 1731/** 1732 * Camera HAL device callback methods 1733 */ 1734 1735void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1736 ATRACE_CALL(); 1737 1738 status_t res; 1739 1740 uint32_t frameNumber = result->frame_number; 1741 if (result->result == NULL && result->num_output_buffers == 0 && 1742 result->input_buffer == NULL) { 1743 SET_ERR("No result data provided by HAL for frame %d", 1744 frameNumber); 1745 return; 1746 } 1747 1748 // For HAL3.2 or above, If HAL doesn't support partial, it must always set 1749 // partial_result to 1 when metadata is included in this result. 1750 if (!mUsePartialResult && 1751 mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && 1752 result->result != NULL && 1753 result->partial_result != 1) { 1754 SET_ERR("Result is malformed for frame %d: partial_result %u must be 1" 1755 " if partial result is not supported", 1756 frameNumber, result->partial_result); 1757 return; 1758 } 1759 1760 bool isPartialResult = false; 1761 CameraMetadata collectedPartialResult; 1762 CaptureResultExtras resultExtras; 1763 bool hasInputBufferInRequest = false; 1764 1765 // Get capture timestamp and resultExtras from list of in-flight requests, 1766 // where it was added by the shutter notification for this frame. 1767 // Then update the in-flight status and remove the in-flight entry if 1768 // all result data has been received. 1769 nsecs_t timestamp = 0; 1770 { 1771 Mutex::Autolock l(mInFlightLock); 1772 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1773 if (idx == NAME_NOT_FOUND) { 1774 SET_ERR("Unknown frame number for capture result: %d", 1775 frameNumber); 1776 return; 1777 } 1778 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1779 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1780 ", burstId = %" PRId32, 1781 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1782 request.resultExtras.burstId); 1783 // Always update the partial count to the latest one. When framework aggregates adjacent 1784 // partial results into one, the latest partial count will be used. 1785 request.resultExtras.partialResultCount = result->partial_result; 1786 1787 // Check if this result carries only partial metadata 1788 if (mUsePartialResult && result->result != NULL) { 1789 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 1790 if (result->partial_result > mNumPartialResults || result->partial_result < 1) { 1791 SET_ERR("Result is malformed for frame %d: partial_result %u must be in" 1792 " the range of [1, %d] when metadata is included in the result", 1793 frameNumber, result->partial_result, mNumPartialResults); 1794 return; 1795 } 1796 isPartialResult = (result->partial_result < mNumPartialResults); 1797 if (isPartialResult) { 1798 request.partialResult.collectedResult.append(result->result); 1799 } 1800 } else { 1801 camera_metadata_ro_entry_t partialResultEntry; 1802 res = find_camera_metadata_ro_entry(result->result, 1803 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1804 if (res != NAME_NOT_FOUND && 1805 partialResultEntry.count > 0 && 1806 partialResultEntry.data.u8[0] == 1807 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1808 // A partial result. Flag this as such, and collect this 1809 // set of metadata into the in-flight entry. 1810 isPartialResult = true; 1811 request.partialResult.collectedResult.append( 1812 result->result); 1813 request.partialResult.collectedResult.erase( 1814 ANDROID_QUIRKS_PARTIAL_RESULT); 1815 } 1816 } 1817 1818 if (isPartialResult) { 1819 // Fire off a 3A-only result if possible 1820 if (!request.partialResult.haveSent3A) { 1821 request.partialResult.haveSent3A = 1822 processPartial3AResult(frameNumber, 1823 request.partialResult.collectedResult, 1824 request.resultExtras); 1825 } 1826 } 1827 } 1828 1829 timestamp = request.captureTimestamp; 1830 resultExtras = request.resultExtras; 1831 hasInputBufferInRequest = request.hasInputBuffer; 1832 1833 /** 1834 * One of the following must happen before it's legal to call process_capture_result, 1835 * unless partial metadata is being provided: 1836 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1837 * - CAMERA3_MSG_ERROR (expected during flush) 1838 */ 1839 if (request.requestStatus == OK && timestamp == 0 && !isPartialResult) { 1840 SET_ERR("Called before shutter notify for frame %d", 1841 frameNumber); 1842 return; 1843 } 1844 1845 // Did we get the (final) result metadata for this capture? 1846 if (result->result != NULL && !isPartialResult) { 1847 if (request.haveResultMetadata) { 1848 SET_ERR("Called multiple times with metadata for frame %d", 1849 frameNumber); 1850 return; 1851 } 1852 if (mUsePartialResult && 1853 !request.partialResult.collectedResult.isEmpty()) { 1854 collectedPartialResult.acquire( 1855 request.partialResult.collectedResult); 1856 } 1857 request.haveResultMetadata = true; 1858 } 1859 1860 uint32_t numBuffersReturned = result->num_output_buffers; 1861 if (result->input_buffer != NULL) { 1862 if (hasInputBufferInRequest) { 1863 numBuffersReturned += 1; 1864 } else { 1865 ALOGW("%s: Input buffer should be NULL if there is no input" 1866 " buffer sent in the request", 1867 __FUNCTION__); 1868 } 1869 } 1870 request.numBuffersLeft -= numBuffersReturned; 1871 if (request.numBuffersLeft < 0) { 1872 SET_ERR("Too many buffers returned for frame %d", 1873 frameNumber); 1874 return; 1875 } 1876 1877 // Check if everything has arrived for this result (buffers and metadata), remove it from 1878 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 1879 if ((request.requestStatus != OK) || 1880 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 1881 ATRACE_ASYNC_END("frame capture", frameNumber); 1882 mInFlightMap.removeItemsAt(idx, 1); 1883 } 1884 1885 // Sanity check - if we have too many in-flight frames, something has 1886 // likely gone wrong 1887 if (mInFlightMap.size() > kInFlightWarnLimit) { 1888 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1889 } 1890 1891 } 1892 1893 // Process the result metadata, if provided 1894 bool gotResult = false; 1895 if (result->result != NULL && !isPartialResult) { 1896 Mutex::Autolock l(mOutputLock); 1897 1898 gotResult = true; 1899 1900 // TODO: need to track errors for tighter bounds on expected frame number 1901 if (frameNumber < mNextResultFrameNumber) { 1902 SET_ERR("Out-of-order capture result metadata submitted! " 1903 "(got frame number %d, expecting %d)", 1904 frameNumber, mNextResultFrameNumber); 1905 return; 1906 } 1907 mNextResultFrameNumber = frameNumber + 1; 1908 1909 CaptureResult captureResult; 1910 captureResult.mResultExtras = resultExtras; 1911 captureResult.mMetadata = result->result; 1912 1913 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1914 (int32_t*)&frameNumber, 1) != OK) { 1915 SET_ERR("Failed to set frame# in metadata (%d)", 1916 frameNumber); 1917 gotResult = false; 1918 } else { 1919 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1920 __FUNCTION__, mId, frameNumber); 1921 } 1922 1923 // Append any previous partials to form a complete result 1924 if (mUsePartialResult && !collectedPartialResult.isEmpty()) { 1925 captureResult.mMetadata.append(collectedPartialResult); 1926 } 1927 1928 captureResult.mMetadata.sort(); 1929 1930 // Check that there's a timestamp in the result metadata 1931 1932 camera_metadata_entry entry = 1933 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1934 if (entry.count == 0) { 1935 SET_ERR("No timestamp provided by HAL for frame %d!", 1936 frameNumber); 1937 gotResult = false; 1938 } else if (timestamp != entry.data.i64[0]) { 1939 SET_ERR("Timestamp mismatch between shutter notify and result" 1940 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 1941 frameNumber, timestamp, entry.data.i64[0]); 1942 gotResult = false; 1943 } 1944 1945 if (gotResult) { 1946 // Valid result, insert into queue 1947 List<CaptureResult>::iterator queuedResult = 1948 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1949 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1950 ", burstId = %" PRId32, __FUNCTION__, 1951 queuedResult->mResultExtras.requestId, 1952 queuedResult->mResultExtras.frameNumber, 1953 queuedResult->mResultExtras.burstId); 1954 } 1955 } // scope for mOutputLock 1956 1957 // Return completed buffers to their streams with the timestamp 1958 1959 for (size_t i = 0; i < result->num_output_buffers; i++) { 1960 Camera3Stream *stream = 1961 Camera3Stream::cast(result->output_buffers[i].stream); 1962 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1963 // Note: stream may be deallocated at this point, if this buffer was the 1964 // last reference to it. 1965 if (res != OK) { 1966 ALOGE("Can't return buffer %zu for frame %d to its stream: " 1967 " %s (%d)", i, frameNumber, strerror(-res), res); 1968 } 1969 } 1970 1971 if (result->input_buffer != NULL) { 1972 if (hasInputBufferInRequest) { 1973 Camera3Stream *stream = 1974 Camera3Stream::cast(result->input_buffer->stream); 1975 res = stream->returnInputBuffer(*(result->input_buffer)); 1976 // Note: stream may be deallocated at this point, if this buffer was the 1977 // last reference to it. 1978 if (res != OK) { 1979 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 1980 " its stream:%s (%d)", __FUNCTION__, 1981 frameNumber, strerror(-res), res); 1982 } 1983 } else { 1984 ALOGW("%s: Input buffer should be NULL if there is no input" 1985 " buffer sent in the request, skipping input buffer return.", 1986 __FUNCTION__); 1987 } 1988 } 1989 1990 // Finally, signal any waiters for new frames 1991 1992 if (gotResult) { 1993 mResultSignal.signal(); 1994 } 1995 1996} 1997 1998void Camera3Device::notify(const camera3_notify_msg *msg) { 1999 ATRACE_CALL(); 2000 NotificationListener *listener; 2001 { 2002 Mutex::Autolock l(mOutputLock); 2003 listener = mListener; 2004 } 2005 2006 if (msg == NULL) { 2007 SET_ERR("HAL sent NULL notify message!"); 2008 return; 2009 } 2010 2011 switch (msg->type) { 2012 case CAMERA3_MSG_ERROR: { 2013 int streamId = 0; 2014 if (msg->message.error.error_stream != NULL) { 2015 Camera3Stream *stream = 2016 Camera3Stream::cast( 2017 msg->message.error.error_stream); 2018 streamId = stream->getId(); 2019 } 2020 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 2021 mId, __FUNCTION__, msg->message.error.frame_number, 2022 streamId, msg->message.error.error_code); 2023 2024 CaptureResultExtras resultExtras; 2025 // Set request error status for the request in the in-flight tracking 2026 { 2027 Mutex::Autolock l(mInFlightLock); 2028 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 2029 if (idx >= 0) { 2030 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2031 r.requestStatus = msg->message.error.error_code; 2032 resultExtras = r.resultExtras; 2033 } else { 2034 resultExtras.frameNumber = msg->message.error.frame_number; 2035 ALOGE("Camera %d: %s: cannot find in-flight request on frame %" PRId64 2036 " error", mId, __FUNCTION__, resultExtras.frameNumber); 2037 } 2038 } 2039 2040 if (listener != NULL) { 2041 if (msg->message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) { 2042 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 2043 resultExtras); 2044 } 2045 } else { 2046 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 2047 } 2048 break; 2049 } 2050 case CAMERA3_MSG_SHUTTER: { 2051 ssize_t idx; 2052 uint32_t frameNumber = msg->message.shutter.frame_number; 2053 nsecs_t timestamp = msg->message.shutter.timestamp; 2054 // Verify ordering of shutter notifications 2055 { 2056 Mutex::Autolock l(mOutputLock); 2057 // TODO: need to track errors for tighter bounds on expected frame number. 2058 if (frameNumber < mNextShutterFrameNumber) { 2059 SET_ERR("Shutter notification out-of-order. Expected " 2060 "notification for frame %d, got frame %d", 2061 mNextShutterFrameNumber, frameNumber); 2062 break; 2063 } 2064 mNextShutterFrameNumber = frameNumber + 1; 2065 } 2066 2067 CaptureResultExtras resultExtras; 2068 2069 // Set timestamp for the request in the in-flight tracking 2070 // and get the request ID to send upstream 2071 { 2072 Mutex::Autolock l(mInFlightLock); 2073 idx = mInFlightMap.indexOfKey(frameNumber); 2074 if (idx >= 0) { 2075 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2076 r.captureTimestamp = timestamp; 2077 resultExtras = r.resultExtras; 2078 } 2079 } 2080 if (idx < 0) { 2081 SET_ERR("Shutter notification for non-existent frame number %d", 2082 frameNumber); 2083 break; 2084 } 2085 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2086 mId, __FUNCTION__, frameNumber, resultExtras.requestId, timestamp); 2087 // Call listener, if any 2088 if (listener != NULL) { 2089 listener->notifyShutter(resultExtras, timestamp); 2090 } 2091 break; 2092 } 2093 default: 2094 SET_ERR("Unknown notify message from HAL: %d", 2095 msg->type); 2096 } 2097} 2098 2099CameraMetadata Camera3Device::getLatestRequestLocked() { 2100 ALOGV("%s", __FUNCTION__); 2101 2102 CameraMetadata retVal; 2103 2104 if (mRequestThread != NULL) { 2105 retVal = mRequestThread->getLatestRequest(); 2106 } 2107 2108 return retVal; 2109} 2110 2111 2112/** 2113 * RequestThread inner class methods 2114 */ 2115 2116Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2117 sp<StatusTracker> statusTracker, 2118 camera3_device_t *hal3Device) : 2119 Thread(false), 2120 mParent(parent), 2121 mStatusTracker(statusTracker), 2122 mHal3Device(hal3Device), 2123 mId(getId(parent)), 2124 mReconfigured(false), 2125 mDoPause(false), 2126 mPaused(true), 2127 mFrameNumber(0), 2128 mLatestRequestId(NAME_NOT_FOUND), 2129 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2130 mStatusId = statusTracker->addComponent(); 2131} 2132 2133void Camera3Device::RequestThread::configurationComplete() { 2134 Mutex::Autolock l(mRequestLock); 2135 mReconfigured = true; 2136} 2137 2138status_t Camera3Device::RequestThread::queueRequestList( 2139 List<sp<CaptureRequest> > &requests, 2140 /*out*/ 2141 int64_t *lastFrameNumber) { 2142 Mutex::Autolock l(mRequestLock); 2143 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2144 ++it) { 2145 mRequestQueue.push_back(*it); 2146 } 2147 2148 if (lastFrameNumber != NULL) { 2149 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2150 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2151 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2152 *lastFrameNumber); 2153 } 2154 2155 unpauseForNewRequests(); 2156 2157 return OK; 2158} 2159 2160 2161status_t Camera3Device::RequestThread::queueTrigger( 2162 RequestTrigger trigger[], 2163 size_t count) { 2164 2165 Mutex::Autolock l(mTriggerMutex); 2166 status_t ret; 2167 2168 for (size_t i = 0; i < count; ++i) { 2169 ret = queueTriggerLocked(trigger[i]); 2170 2171 if (ret != OK) { 2172 return ret; 2173 } 2174 } 2175 2176 return OK; 2177} 2178 2179int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2180 sp<Camera3Device> d = device.promote(); 2181 if (d != NULL) return d->mId; 2182 return 0; 2183} 2184 2185status_t Camera3Device::RequestThread::queueTriggerLocked( 2186 RequestTrigger trigger) { 2187 2188 uint32_t tag = trigger.metadataTag; 2189 ssize_t index = mTriggerMap.indexOfKey(tag); 2190 2191 switch (trigger.getTagType()) { 2192 case TYPE_BYTE: 2193 // fall-through 2194 case TYPE_INT32: 2195 break; 2196 default: 2197 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2198 trigger.getTagType()); 2199 return INVALID_OPERATION; 2200 } 2201 2202 /** 2203 * Collect only the latest trigger, since we only have 1 field 2204 * in the request settings per trigger tag, and can't send more than 1 2205 * trigger per request. 2206 */ 2207 if (index != NAME_NOT_FOUND) { 2208 mTriggerMap.editValueAt(index) = trigger; 2209 } else { 2210 mTriggerMap.add(tag, trigger); 2211 } 2212 2213 return OK; 2214} 2215 2216status_t Camera3Device::RequestThread::setRepeatingRequests( 2217 const RequestList &requests, 2218 /*out*/ 2219 int64_t *lastFrameNumber) { 2220 Mutex::Autolock l(mRequestLock); 2221 if (lastFrameNumber != NULL) { 2222 *lastFrameNumber = mRepeatingLastFrameNumber; 2223 } 2224 mRepeatingRequests.clear(); 2225 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2226 requests.begin(), requests.end()); 2227 2228 unpauseForNewRequests(); 2229 2230 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2231 return OK; 2232} 2233 2234bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2235 if (mRepeatingRequests.empty()) { 2236 return false; 2237 } 2238 int32_t requestId = requestIn->mResultExtras.requestId; 2239 const RequestList &repeatRequests = mRepeatingRequests; 2240 // All repeating requests are guaranteed to have same id so only check first quest 2241 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2242 return (firstRequest->mResultExtras.requestId == requestId); 2243} 2244 2245status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2246 Mutex::Autolock l(mRequestLock); 2247 mRepeatingRequests.clear(); 2248 if (lastFrameNumber != NULL) { 2249 *lastFrameNumber = mRepeatingLastFrameNumber; 2250 } 2251 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2252 return OK; 2253} 2254 2255status_t Camera3Device::RequestThread::clear(/*out*/int64_t *lastFrameNumber) { 2256 Mutex::Autolock l(mRequestLock); 2257 ALOGV("RequestThread::%s:", __FUNCTION__); 2258 mRepeatingRequests.clear(); 2259 2260 // Decrement repeating frame count for those requests never sent to device 2261 // TODO: Remove this after we have proper error handling so these requests 2262 // will generate an error callback. This might be the only place calling 2263 // isRepeatingRequestLocked. If so, isRepeatingRequestLocked should also be removed. 2264 const RequestList &requests = mRequestQueue; 2265 for (RequestList::const_iterator it = requests.begin(); 2266 it != requests.end(); ++it) { 2267 if (isRepeatingRequestLocked(*it)) { 2268 mRepeatingLastFrameNumber--; 2269 } 2270 } 2271 mRequestQueue.clear(); 2272 mTriggerMap.clear(); 2273 if (lastFrameNumber != NULL) { 2274 *lastFrameNumber = mRepeatingLastFrameNumber; 2275 } 2276 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2277 return OK; 2278} 2279 2280void Camera3Device::RequestThread::setPaused(bool paused) { 2281 Mutex::Autolock l(mPauseLock); 2282 mDoPause = paused; 2283 mDoPauseSignal.signal(); 2284} 2285 2286status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2287 int32_t requestId, nsecs_t timeout) { 2288 Mutex::Autolock l(mLatestRequestMutex); 2289 status_t res; 2290 while (mLatestRequestId != requestId) { 2291 nsecs_t startTime = systemTime(); 2292 2293 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2294 if (res != OK) return res; 2295 2296 timeout -= (systemTime() - startTime); 2297 } 2298 2299 return OK; 2300} 2301 2302void Camera3Device::RequestThread::requestExit() { 2303 // Call parent to set up shutdown 2304 Thread::requestExit(); 2305 // The exit from any possible waits 2306 mDoPauseSignal.signal(); 2307 mRequestSignal.signal(); 2308} 2309 2310bool Camera3Device::RequestThread::threadLoop() { 2311 2312 status_t res; 2313 2314 // Handle paused state. 2315 if (waitIfPaused()) { 2316 return true; 2317 } 2318 2319 // Get work to do 2320 2321 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2322 if (nextRequest == NULL) { 2323 return true; 2324 } 2325 2326 // Create request to HAL 2327 camera3_capture_request_t request = camera3_capture_request_t(); 2328 request.frame_number = nextRequest->mResultExtras.frameNumber; 2329 Vector<camera3_stream_buffer_t> outputBuffers; 2330 2331 // Get the request ID, if any 2332 int requestId; 2333 camera_metadata_entry_t requestIdEntry = 2334 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2335 if (requestIdEntry.count > 0) { 2336 requestId = requestIdEntry.data.i32[0]; 2337 } else { 2338 ALOGW("%s: Did not have android.request.id set in the request", 2339 __FUNCTION__); 2340 requestId = NAME_NOT_FOUND; 2341 } 2342 2343 // Insert any queued triggers (before metadata is locked) 2344 int32_t triggerCount; 2345 res = insertTriggers(nextRequest); 2346 if (res < 0) { 2347 SET_ERR("RequestThread: Unable to insert triggers " 2348 "(capture request %d, HAL device: %s (%d)", 2349 request.frame_number, strerror(-res), res); 2350 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2351 return false; 2352 } 2353 triggerCount = res; 2354 2355 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2356 2357 // If the request is the same as last, or we had triggers last time 2358 if (mPrevRequest != nextRequest || triggersMixedIn) { 2359 /** 2360 * HAL workaround: 2361 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2362 */ 2363 res = addDummyTriggerIds(nextRequest); 2364 if (res != OK) { 2365 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2366 "(capture request %d, HAL device: %s (%d)", 2367 request.frame_number, strerror(-res), res); 2368 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2369 return false; 2370 } 2371 2372 /** 2373 * The request should be presorted so accesses in HAL 2374 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2375 */ 2376 nextRequest->mSettings.sort(); 2377 request.settings = nextRequest->mSettings.getAndLock(); 2378 mPrevRequest = nextRequest; 2379 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2380 2381 IF_ALOGV() { 2382 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2383 find_camera_metadata_ro_entry( 2384 request.settings, 2385 ANDROID_CONTROL_AF_TRIGGER, 2386 &e 2387 ); 2388 if (e.count > 0) { 2389 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2390 __FUNCTION__, 2391 request.frame_number, 2392 e.data.u8[0]); 2393 } 2394 } 2395 } else { 2396 // leave request.settings NULL to indicate 'reuse latest given' 2397 ALOGVV("%s: Request settings are REUSED", 2398 __FUNCTION__); 2399 } 2400 2401 camera3_stream_buffer_t inputBuffer; 2402 uint32_t totalNumBuffers = 0; 2403 2404 // Fill in buffers 2405 2406 if (nextRequest->mInputStream != NULL) { 2407 request.input_buffer = &inputBuffer; 2408 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2409 if (res != OK) { 2410 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2411 " %s (%d)", strerror(-res), res); 2412 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2413 return true; 2414 } 2415 totalNumBuffers += 1; 2416 } else { 2417 request.input_buffer = NULL; 2418 } 2419 2420 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2421 nextRequest->mOutputStreams.size()); 2422 request.output_buffers = outputBuffers.array(); 2423 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2424 res = nextRequest->mOutputStreams.editItemAt(i)-> 2425 getBuffer(&outputBuffers.editItemAt(i)); 2426 if (res != OK) { 2427 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2428 " %s (%d)", strerror(-res), res); 2429 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2430 return true; 2431 } 2432 request.num_output_buffers++; 2433 } 2434 totalNumBuffers += request.num_output_buffers; 2435 2436 // Log request in the in-flight queue 2437 sp<Camera3Device> parent = mParent.promote(); 2438 if (parent == NULL) { 2439 CLOGE("RequestThread: Parent is gone"); 2440 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2441 return false; 2442 } 2443 2444 res = parent->registerInFlight(request.frame_number, 2445 totalNumBuffers, nextRequest->mResultExtras, 2446 /*hasInput*/request.input_buffer != NULL); 2447 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2448 ", burstId = %" PRId32 ".", 2449 __FUNCTION__, 2450 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2451 nextRequest->mResultExtras.burstId); 2452 if (res != OK) { 2453 SET_ERR("RequestThread: Unable to register new in-flight request:" 2454 " %s (%d)", strerror(-res), res); 2455 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2456 return false; 2457 } 2458 2459 // Inform waitUntilRequestProcessed thread of a new request ID 2460 { 2461 Mutex::Autolock al(mLatestRequestMutex); 2462 2463 mLatestRequestId = requestId; 2464 mLatestRequestSignal.signal(); 2465 } 2466 2467 // Submit request and block until ready for next one 2468 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2469 ATRACE_BEGIN("camera3->process_capture_request"); 2470 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2471 ATRACE_END(); 2472 2473 if (res != OK) { 2474 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2475 " device: %s (%d)", request.frame_number, strerror(-res), res); 2476 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2477 return false; 2478 } 2479 2480 // Update the latest request sent to HAL 2481 if (request.settings != NULL) { // Don't update them if they were unchanged 2482 Mutex::Autolock al(mLatestRequestMutex); 2483 2484 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2485 mLatestRequest.acquire(cloned); 2486 } 2487 2488 if (request.settings != NULL) { 2489 nextRequest->mSettings.unlock(request.settings); 2490 } 2491 2492 // Remove any previously queued triggers (after unlock) 2493 res = removeTriggers(mPrevRequest); 2494 if (res != OK) { 2495 SET_ERR("RequestThread: Unable to remove triggers " 2496 "(capture request %d, HAL device: %s (%d)", 2497 request.frame_number, strerror(-res), res); 2498 return false; 2499 } 2500 mPrevTriggers = triggerCount; 2501 2502 return true; 2503} 2504 2505CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2506 Mutex::Autolock al(mLatestRequestMutex); 2507 2508 ALOGV("RequestThread::%s", __FUNCTION__); 2509 2510 return mLatestRequest; 2511} 2512 2513 2514void Camera3Device::RequestThread::cleanUpFailedRequest( 2515 camera3_capture_request_t &request, 2516 sp<CaptureRequest> &nextRequest, 2517 Vector<camera3_stream_buffer_t> &outputBuffers) { 2518 2519 if (request.settings != NULL) { 2520 nextRequest->mSettings.unlock(request.settings); 2521 } 2522 if (request.input_buffer != NULL) { 2523 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2524 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2525 } 2526 for (size_t i = 0; i < request.num_output_buffers; i++) { 2527 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2528 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2529 outputBuffers[i], 0); 2530 } 2531} 2532 2533sp<Camera3Device::CaptureRequest> 2534 Camera3Device::RequestThread::waitForNextRequest() { 2535 status_t res; 2536 sp<CaptureRequest> nextRequest; 2537 2538 // Optimized a bit for the simple steady-state case (single repeating 2539 // request), to avoid putting that request in the queue temporarily. 2540 Mutex::Autolock l(mRequestLock); 2541 2542 while (mRequestQueue.empty()) { 2543 if (!mRepeatingRequests.empty()) { 2544 // Always atomically enqueue all requests in a repeating request 2545 // list. Guarantees a complete in-sequence set of captures to 2546 // application. 2547 const RequestList &requests = mRepeatingRequests; 2548 RequestList::const_iterator firstRequest = 2549 requests.begin(); 2550 nextRequest = *firstRequest; 2551 mRequestQueue.insert(mRequestQueue.end(), 2552 ++firstRequest, 2553 requests.end()); 2554 // No need to wait any longer 2555 2556 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2557 2558 break; 2559 } 2560 2561 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2562 2563 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2564 exitPending()) { 2565 Mutex::Autolock pl(mPauseLock); 2566 if (mPaused == false) { 2567 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2568 mPaused = true; 2569 // Let the tracker know 2570 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2571 if (statusTracker != 0) { 2572 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2573 } 2574 } 2575 // Stop waiting for now and let thread management happen 2576 return NULL; 2577 } 2578 } 2579 2580 if (nextRequest == NULL) { 2581 // Don't have a repeating request already in hand, so queue 2582 // must have an entry now. 2583 RequestList::iterator firstRequest = 2584 mRequestQueue.begin(); 2585 nextRequest = *firstRequest; 2586 mRequestQueue.erase(firstRequest); 2587 } 2588 2589 // In case we've been unpaused by setPaused clearing mDoPause, need to 2590 // update internal pause state (capture/setRepeatingRequest unpause 2591 // directly). 2592 Mutex::Autolock pl(mPauseLock); 2593 if (mPaused) { 2594 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2595 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2596 if (statusTracker != 0) { 2597 statusTracker->markComponentActive(mStatusId); 2598 } 2599 } 2600 mPaused = false; 2601 2602 // Check if we've reconfigured since last time, and reset the preview 2603 // request if so. Can't use 'NULL request == repeat' across configure calls. 2604 if (mReconfigured) { 2605 mPrevRequest.clear(); 2606 mReconfigured = false; 2607 } 2608 2609 if (nextRequest != NULL) { 2610 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2611 } 2612 return nextRequest; 2613} 2614 2615bool Camera3Device::RequestThread::waitIfPaused() { 2616 status_t res; 2617 Mutex::Autolock l(mPauseLock); 2618 while (mDoPause) { 2619 if (mPaused == false) { 2620 mPaused = true; 2621 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2622 // Let the tracker know 2623 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2624 if (statusTracker != 0) { 2625 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2626 } 2627 } 2628 2629 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2630 if (res == TIMED_OUT || exitPending()) { 2631 return true; 2632 } 2633 } 2634 // We don't set mPaused to false here, because waitForNextRequest needs 2635 // to further manage the paused state in case of starvation. 2636 return false; 2637} 2638 2639void Camera3Device::RequestThread::unpauseForNewRequests() { 2640 // With work to do, mark thread as unpaused. 2641 // If paused by request (setPaused), don't resume, to avoid 2642 // extra signaling/waiting overhead to waitUntilPaused 2643 mRequestSignal.signal(); 2644 Mutex::Autolock p(mPauseLock); 2645 if (!mDoPause) { 2646 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2647 if (mPaused) { 2648 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2649 if (statusTracker != 0) { 2650 statusTracker->markComponentActive(mStatusId); 2651 } 2652 } 2653 mPaused = false; 2654 } 2655} 2656 2657void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2658 sp<Camera3Device> parent = mParent.promote(); 2659 if (parent != NULL) { 2660 va_list args; 2661 va_start(args, fmt); 2662 2663 parent->setErrorStateV(fmt, args); 2664 2665 va_end(args); 2666 } 2667} 2668 2669status_t Camera3Device::RequestThread::insertTriggers( 2670 const sp<CaptureRequest> &request) { 2671 2672 Mutex::Autolock al(mTriggerMutex); 2673 2674 sp<Camera3Device> parent = mParent.promote(); 2675 if (parent == NULL) { 2676 CLOGE("RequestThread: Parent is gone"); 2677 return DEAD_OBJECT; 2678 } 2679 2680 CameraMetadata &metadata = request->mSettings; 2681 size_t count = mTriggerMap.size(); 2682 2683 for (size_t i = 0; i < count; ++i) { 2684 RequestTrigger trigger = mTriggerMap.valueAt(i); 2685 uint32_t tag = trigger.metadataTag; 2686 2687 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2688 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2689 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2690 isAeTrigger ? request->mResultExtras.precaptureTriggerId = triggerId : 2691 request->mResultExtras.afTriggerId = triggerId; 2692 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2693 continue; // Trigger ID tag is deprecated since device HAL 3.2 2694 } 2695 } 2696 2697 camera_metadata_entry entry = metadata.find(tag); 2698 2699 if (entry.count > 0) { 2700 /** 2701 * Already has an entry for this trigger in the request. 2702 * Rewrite it with our requested trigger value. 2703 */ 2704 RequestTrigger oldTrigger = trigger; 2705 2706 oldTrigger.entryValue = entry.data.u8[0]; 2707 2708 mTriggerReplacedMap.add(tag, oldTrigger); 2709 } else { 2710 /** 2711 * More typical, no trigger entry, so we just add it 2712 */ 2713 mTriggerRemovedMap.add(tag, trigger); 2714 } 2715 2716 status_t res; 2717 2718 switch (trigger.getTagType()) { 2719 case TYPE_BYTE: { 2720 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2721 res = metadata.update(tag, 2722 &entryValue, 2723 /*count*/1); 2724 break; 2725 } 2726 case TYPE_INT32: 2727 res = metadata.update(tag, 2728 &trigger.entryValue, 2729 /*count*/1); 2730 break; 2731 default: 2732 ALOGE("%s: Type not supported: 0x%x", 2733 __FUNCTION__, 2734 trigger.getTagType()); 2735 return INVALID_OPERATION; 2736 } 2737 2738 if (res != OK) { 2739 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2740 ", value %d", __FUNCTION__, trigger.getTagName(), 2741 trigger.entryValue); 2742 return res; 2743 } 2744 2745 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2746 trigger.getTagName(), 2747 trigger.entryValue); 2748 } 2749 2750 mTriggerMap.clear(); 2751 2752 return count; 2753} 2754 2755status_t Camera3Device::RequestThread::removeTriggers( 2756 const sp<CaptureRequest> &request) { 2757 Mutex::Autolock al(mTriggerMutex); 2758 2759 CameraMetadata &metadata = request->mSettings; 2760 2761 /** 2762 * Replace all old entries with their old values. 2763 */ 2764 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2765 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2766 2767 status_t res; 2768 2769 uint32_t tag = trigger.metadataTag; 2770 switch (trigger.getTagType()) { 2771 case TYPE_BYTE: { 2772 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2773 res = metadata.update(tag, 2774 &entryValue, 2775 /*count*/1); 2776 break; 2777 } 2778 case TYPE_INT32: 2779 res = metadata.update(tag, 2780 &trigger.entryValue, 2781 /*count*/1); 2782 break; 2783 default: 2784 ALOGE("%s: Type not supported: 0x%x", 2785 __FUNCTION__, 2786 trigger.getTagType()); 2787 return INVALID_OPERATION; 2788 } 2789 2790 if (res != OK) { 2791 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2792 ", trigger value %d", __FUNCTION__, 2793 trigger.getTagName(), trigger.entryValue); 2794 return res; 2795 } 2796 } 2797 mTriggerReplacedMap.clear(); 2798 2799 /** 2800 * Remove all new entries. 2801 */ 2802 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2803 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2804 status_t res = metadata.erase(trigger.metadataTag); 2805 2806 if (res != OK) { 2807 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2808 ", trigger value %d", __FUNCTION__, 2809 trigger.getTagName(), trigger.entryValue); 2810 return res; 2811 } 2812 } 2813 mTriggerRemovedMap.clear(); 2814 2815 return OK; 2816} 2817 2818status_t Camera3Device::RequestThread::addDummyTriggerIds( 2819 const sp<CaptureRequest> &request) { 2820 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2821 static const int32_t dummyTriggerId = 1; 2822 status_t res; 2823 2824 CameraMetadata &metadata = request->mSettings; 2825 2826 // If AF trigger is active, insert a dummy AF trigger ID if none already 2827 // exists 2828 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2829 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2830 if (afTrigger.count > 0 && 2831 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2832 afId.count == 0) { 2833 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2834 if (res != OK) return res; 2835 } 2836 2837 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2838 // if none already exists 2839 camera_metadata_entry pcTrigger = 2840 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2841 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2842 if (pcTrigger.count > 0 && 2843 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2844 pcId.count == 0) { 2845 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2846 &dummyTriggerId, 1); 2847 if (res != OK) return res; 2848 } 2849 2850 return OK; 2851} 2852 2853 2854/** 2855 * Static callback forwarding methods from HAL to instance 2856 */ 2857 2858void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2859 const camera3_capture_result *result) { 2860 Camera3Device *d = 2861 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2862 d->processCaptureResult(result); 2863} 2864 2865void Camera3Device::sNotify(const camera3_callback_ops *cb, 2866 const camera3_notify_msg *msg) { 2867 Camera3Device *d = 2868 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2869 d->notify(msg); 2870} 2871 2872}; // namespace android 2873