1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "Camera3-Device" 18 #define ATRACE_TAG ATRACE_TAG_CAMERA 19 //#define LOG_NDEBUG 0 20 //#define LOG_NNDEBUG 0 // Per-frame verbose logging 21 22 #ifdef LOG_NNDEBUG 23 #define ALOGVV(...) ALOGV(__VA_ARGS__) 24 #else 25 #define ALOGVV(...) ((void)0) 26 #endif 27 28 // Convenience macro for transient errors 29 #define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ 30 ##__VA_ARGS__) 31 32 // Convenience macros for transitioning to the error state 33 #define SET_ERR(fmt, ...) setErrorState( \ 34 "%s: " fmt, __FUNCTION__, \ 35 ##__VA_ARGS__) 36 #define SET_ERR_L(fmt, ...) setErrorStateLocked( \ 37 "%s: " fmt, __FUNCTION__, \ 38 ##__VA_ARGS__) 39 40 #include <inttypes.h> 41 42 #include <utils/Log.h> 43 #include <utils/Trace.h> 44 #include <utils/Timers.h> 45 46 #include "utils/CameraTraces.h" 47 #include "device3/Camera3Device.h" 48 #include "device3/Camera3OutputStream.h" 49 #include "device3/Camera3InputStream.h" 50 #include "device3/Camera3ZslStream.h" 51 #include "device3/Camera3DummyStream.h" 52 #include "CameraService.h" 53 54 using namespace android::camera3; 55 56 namespace android { 57 58 Camera3Device::Camera3Device(int id): 59 mId(id), 60 mHal3Device(NULL), 61 mStatus(STATUS_UNINITIALIZED), 62 mUsePartialResult(false), 63 mNumPartialResults(1), 64 mNextResultFrameNumber(0), 65 mNextShutterFrameNumber(0), 66 mListener(NULL) 67 { 68 ATRACE_CALL(); 69 camera3_callback_ops::notify = &sNotify; 70 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 71 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 72 } 73 74 Camera3Device::~Camera3Device() 75 { 76 ATRACE_CALL(); 77 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 78 disconnect(); 79 } 80 81 int Camera3Device::getId() const { 82 return mId; 83 } 84 85 /** 86 * CameraDeviceBase interface 87 */ 88 89 status_t Camera3Device::initialize(camera_module_t *module) 90 { 91 ATRACE_CALL(); 92 Mutex::Autolock il(mInterfaceLock); 93 Mutex::Autolock l(mLock); 94 95 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 96 if (mStatus != STATUS_UNINITIALIZED) { 97 CLOGE("Already initialized!"); 98 return INVALID_OPERATION; 99 } 100 101 /** Open HAL device */ 102 103 status_t res; 104 String8 deviceName = String8::format("%d", mId); 105 106 camera3_device_t *device; 107 108 ATRACE_BEGIN("camera3->open"); 109 res = CameraService::filterOpenErrorCode(module->common.methods->open( 110 &module->common, deviceName.string(), 111 reinterpret_cast<hw_device_t**>(&device))); 112 ATRACE_END(); 113 114 if (res != OK) { 115 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 116 return res; 117 } 118 119 /** Cross-check device version */ 120 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 121 SET_ERR_L("Could not open camera: " 122 "Camera device should be at least %x, reports %x instead", 123 CAMERA_DEVICE_API_VERSION_3_0, 124 device->common.version); 125 device->common.close(&device->common); 126 return BAD_VALUE; 127 } 128 129 camera_info info; 130 res = CameraService::filterGetInfoErrorCode(module->get_camera_info( 131 mId, &info)); 132 if (res != OK) return res; 133 134 if (info.device_version != device->common.version) { 135 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 136 " and device version (%x).", 137 info.device_version, device->common.version); 138 device->common.close(&device->common); 139 return BAD_VALUE; 140 } 141 142 /** Initialize device with callback functions */ 143 144 ATRACE_BEGIN("camera3->initialize"); 145 res = device->ops->initialize(device, this); 146 ATRACE_END(); 147 148 if (res != OK) { 149 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 150 strerror(-res), res); 151 device->common.close(&device->common); 152 return BAD_VALUE; 153 } 154 155 /** Start up status tracker thread */ 156 mStatusTracker = new StatusTracker(this); 157 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 158 if (res != OK) { 159 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 160 strerror(-res), res); 161 device->common.close(&device->common); 162 mStatusTracker.clear(); 163 return res; 164 } 165 166 /** Start up request queue thread */ 167 168 mRequestThread = new RequestThread(this, mStatusTracker, device); 169 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 170 if (res != OK) { 171 SET_ERR_L("Unable to start request queue thread: %s (%d)", 172 strerror(-res), res); 173 device->common.close(&device->common); 174 mRequestThread.clear(); 175 return res; 176 } 177 178 /** Everything is good to go */ 179 180 mDeviceVersion = device->common.version; 181 mDeviceInfo = info.static_camera_characteristics; 182 mHal3Device = device; 183 mStatus = STATUS_UNCONFIGURED; 184 mNextStreamId = 0; 185 mDummyStreamId = NO_STREAM; 186 mNeedConfig = true; 187 mPauseStateNotify = false; 188 189 // Will the HAL be sending in early partial result metadata? 190 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 191 camera_metadata_entry partialResultsCount = 192 mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT); 193 if (partialResultsCount.count > 0) { 194 mNumPartialResults = partialResultsCount.data.i32[0]; 195 mUsePartialResult = (mNumPartialResults > 1); 196 } 197 } else { 198 camera_metadata_entry partialResultsQuirk = 199 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 200 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 201 mUsePartialResult = true; 202 } 203 } 204 205 return OK; 206 } 207 208 status_t Camera3Device::disconnect() { 209 ATRACE_CALL(); 210 Mutex::Autolock il(mInterfaceLock); 211 212 ALOGV("%s: E", __FUNCTION__); 213 214 status_t res = OK; 215 216 { 217 Mutex::Autolock l(mLock); 218 if (mStatus == STATUS_UNINITIALIZED) return res; 219 220 if (mStatus == STATUS_ACTIVE || 221 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 222 res = mRequestThread->clearRepeatingRequests(); 223 if (res != OK) { 224 SET_ERR_L("Can't stop streaming"); 225 // Continue to close device even in case of error 226 } else { 227 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 228 if (res != OK) { 229 SET_ERR_L("Timeout waiting for HAL to drain"); 230 // Continue to close device even in case of error 231 } 232 } 233 } 234 235 if (mStatus == STATUS_ERROR) { 236 CLOGE("Shutting down in an error state"); 237 } 238 239 if (mStatusTracker != NULL) { 240 mStatusTracker->requestExit(); 241 } 242 243 if (mRequestThread != NULL) { 244 mRequestThread->requestExit(); 245 } 246 247 mOutputStreams.clear(); 248 mInputStream.clear(); 249 } 250 251 // Joining done without holding mLock, otherwise deadlocks may ensue 252 // as the threads try to access parent state 253 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 254 // HAL may be in a bad state, so waiting for request thread 255 // (which may be stuck in the HAL processCaptureRequest call) 256 // could be dangerous. 257 mRequestThread->join(); 258 } 259 260 if (mStatusTracker != NULL) { 261 mStatusTracker->join(); 262 } 263 264 { 265 Mutex::Autolock l(mLock); 266 267 mRequestThread.clear(); 268 mStatusTracker.clear(); 269 270 if (mHal3Device != NULL) { 271 ATRACE_BEGIN("camera3->close"); 272 mHal3Device->common.close(&mHal3Device->common); 273 ATRACE_END(); 274 mHal3Device = NULL; 275 } 276 277 mStatus = STATUS_UNINITIALIZED; 278 } 279 280 ALOGV("%s: X", __FUNCTION__); 281 return res; 282 } 283 284 // For dumping/debugging only - 285 // try to acquire a lock a few times, eventually give up to proceed with 286 // debug/dump operations 287 bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 288 bool gotLock = false; 289 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 290 if (lock.tryLock() == NO_ERROR) { 291 gotLock = true; 292 break; 293 } else { 294 usleep(kDumpSleepDuration); 295 } 296 } 297 return gotLock; 298 } 299 300 Camera3Device::Size Camera3Device::getMaxJpegResolution() const { 301 int32_t maxJpegWidth = 0, maxJpegHeight = 0; 302 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 303 const int STREAM_CONFIGURATION_SIZE = 4; 304 const int STREAM_FORMAT_OFFSET = 0; 305 const int STREAM_WIDTH_OFFSET = 1; 306 const int STREAM_HEIGHT_OFFSET = 2; 307 const int STREAM_IS_INPUT_OFFSET = 3; 308 camera_metadata_ro_entry_t availableStreamConfigs = 309 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 310 if (availableStreamConfigs.count == 0 || 311 availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) { 312 return Size(0, 0); 313 } 314 315 // Get max jpeg size (area-wise). 316 for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 317 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 318 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 319 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 320 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 321 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT 322 && format == HAL_PIXEL_FORMAT_BLOB && 323 (width * height > maxJpegWidth * maxJpegHeight)) { 324 maxJpegWidth = width; 325 maxJpegHeight = height; 326 } 327 } 328 } else { 329 camera_metadata_ro_entry availableJpegSizes = 330 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 331 if (availableJpegSizes.count == 0 || availableJpegSizes.count % 2 != 0) { 332 return Size(0, 0); 333 } 334 335 // Get max jpeg size (area-wise). 336 for (size_t i = 0; i < availableJpegSizes.count; i += 2) { 337 if ((availableJpegSizes.data.i32[i] * availableJpegSizes.data.i32[i + 1]) 338 > (maxJpegWidth * maxJpegHeight)) { 339 maxJpegWidth = availableJpegSizes.data.i32[i]; 340 maxJpegHeight = availableJpegSizes.data.i32[i + 1]; 341 } 342 } 343 } 344 return Size(maxJpegWidth, maxJpegHeight); 345 } 346 347 ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const { 348 // Get max jpeg size (area-wise). 349 Size maxJpegResolution = getMaxJpegResolution(); 350 if (maxJpegResolution.width == 0) { 351 ALOGE("%s: Camera %d: Can't find find valid available jpeg sizes in static metadata!", 352 __FUNCTION__, mId); 353 return BAD_VALUE; 354 } 355 356 // Get max jpeg buffer size 357 ssize_t maxJpegBufferSize = 0; 358 camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE); 359 if (jpegBufMaxSize.count == 0) { 360 ALOGE("%s: Camera %d: Can't find maximum JPEG size in static metadata!", __FUNCTION__, mId); 361 return BAD_VALUE; 362 } 363 maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; 364 assert(kMinJpegBufferSize < maxJpegBufferSize); 365 366 // Calculate final jpeg buffer size for the given resolution. 367 float scaleFactor = ((float) (width * height)) / 368 (maxJpegResolution.width * maxJpegResolution.height); 369 ssize_t jpegBufferSize = scaleFactor * (maxJpegBufferSize - kMinJpegBufferSize) + 370 kMinJpegBufferSize; 371 if (jpegBufferSize > maxJpegBufferSize) { 372 jpegBufferSize = maxJpegBufferSize; 373 } 374 375 return jpegBufferSize; 376 } 377 378 status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 379 ATRACE_CALL(); 380 (void)args; 381 382 // Try to lock, but continue in case of failure (to avoid blocking in 383 // deadlocks) 384 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 385 bool gotLock = tryLockSpinRightRound(mLock); 386 387 ALOGW_IF(!gotInterfaceLock, 388 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 389 mId, __FUNCTION__); 390 ALOGW_IF(!gotLock, 391 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 392 mId, __FUNCTION__); 393 394 String8 lines; 395 396 const char *status = 397 mStatus == STATUS_ERROR ? "ERROR" : 398 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 399 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 400 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 401 mStatus == STATUS_ACTIVE ? "ACTIVE" : 402 "Unknown"; 403 404 lines.appendFormat(" Device status: %s\n", status); 405 if (mStatus == STATUS_ERROR) { 406 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 407 } 408 lines.appendFormat(" Stream configuration:\n"); 409 410 if (mInputStream != NULL) { 411 write(fd, lines.string(), lines.size()); 412 mInputStream->dump(fd, args); 413 } else { 414 lines.appendFormat(" No input stream.\n"); 415 write(fd, lines.string(), lines.size()); 416 } 417 for (size_t i = 0; i < mOutputStreams.size(); i++) { 418 mOutputStreams[i]->dump(fd,args); 419 } 420 421 lines = String8(" In-flight requests:\n"); 422 if (mInFlightMap.size() == 0) { 423 lines.append(" None\n"); 424 } else { 425 for (size_t i = 0; i < mInFlightMap.size(); i++) { 426 InFlightRequest r = mInFlightMap.valueAt(i); 427 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 428 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 429 r.shutterTimestamp, r.haveResultMetadata ? "true" : "false", 430 r.numBuffersLeft); 431 } 432 } 433 write(fd, lines.string(), lines.size()); 434 435 { 436 lines = String8(" Last request sent:\n"); 437 write(fd, lines.string(), lines.size()); 438 439 CameraMetadata lastRequest = getLatestRequestLocked(); 440 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 441 } 442 443 if (mHal3Device != NULL) { 444 lines = String8(" HAL device dump:\n"); 445 write(fd, lines.string(), lines.size()); 446 mHal3Device->ops->dump(mHal3Device, fd); 447 } 448 449 if (gotLock) mLock.unlock(); 450 if (gotInterfaceLock) mInterfaceLock.unlock(); 451 452 return OK; 453 } 454 455 const CameraMetadata& Camera3Device::info() const { 456 ALOGVV("%s: E", __FUNCTION__); 457 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 458 mStatus == STATUS_ERROR)) { 459 ALOGW("%s: Access to static info %s!", __FUNCTION__, 460 mStatus == STATUS_ERROR ? 461 "when in error state" : "before init"); 462 } 463 return mDeviceInfo; 464 } 465 466 status_t Camera3Device::checkStatusOkToCaptureLocked() { 467 switch (mStatus) { 468 case STATUS_ERROR: 469 CLOGE("Device has encountered a serious error"); 470 return INVALID_OPERATION; 471 case STATUS_UNINITIALIZED: 472 CLOGE("Device not initialized"); 473 return INVALID_OPERATION; 474 case STATUS_UNCONFIGURED: 475 case STATUS_CONFIGURED: 476 case STATUS_ACTIVE: 477 // OK 478 break; 479 default: 480 SET_ERR_L("Unexpected status: %d", mStatus); 481 return INVALID_OPERATION; 482 } 483 return OK; 484 } 485 486 status_t Camera3Device::convertMetadataListToRequestListLocked( 487 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 488 if (requestList == NULL) { 489 CLOGE("requestList cannot be NULL."); 490 return BAD_VALUE; 491 } 492 493 int32_t burstId = 0; 494 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 495 it != metadataList.end(); ++it) { 496 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 497 if (newRequest == 0) { 498 CLOGE("Can't create capture request"); 499 return BAD_VALUE; 500 } 501 502 // Setup burst Id and request Id 503 newRequest->mResultExtras.burstId = burstId++; 504 if (it->exists(ANDROID_REQUEST_ID)) { 505 if (it->find(ANDROID_REQUEST_ID).count == 0) { 506 CLOGE("RequestID entry exists; but must not be empty in metadata"); 507 return BAD_VALUE; 508 } 509 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 510 } else { 511 CLOGE("RequestID does not exist in metadata"); 512 return BAD_VALUE; 513 } 514 515 requestList->push_back(newRequest); 516 517 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 518 } 519 return OK; 520 } 521 522 status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 523 ATRACE_CALL(); 524 525 List<const CameraMetadata> requests; 526 requests.push_back(request); 527 return captureList(requests, /*lastFrameNumber*/NULL); 528 } 529 530 status_t Camera3Device::submitRequestsHelper( 531 const List<const CameraMetadata> &requests, bool repeating, 532 /*out*/ 533 int64_t *lastFrameNumber) { 534 ATRACE_CALL(); 535 Mutex::Autolock il(mInterfaceLock); 536 Mutex::Autolock l(mLock); 537 538 status_t res = checkStatusOkToCaptureLocked(); 539 if (res != OK) { 540 // error logged by previous call 541 return res; 542 } 543 544 RequestList requestList; 545 546 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 547 if (res != OK) { 548 // error logged by previous call 549 return res; 550 } 551 552 if (repeating) { 553 res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); 554 } else { 555 res = mRequestThread->queueRequestList(requestList, lastFrameNumber); 556 } 557 558 if (res == OK) { 559 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 560 if (res != OK) { 561 SET_ERR_L("Can't transition to active in %f seconds!", 562 kActiveTimeout/1e9); 563 } 564 ALOGV("Camera %d: Capture request %" PRId32 " enqueued", mId, 565 (*(requestList.begin()))->mResultExtras.requestId); 566 } else { 567 CLOGE("Cannot queue request. Impossible."); 568 return BAD_VALUE; 569 } 570 571 return res; 572 } 573 574 status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 575 int64_t *lastFrameNumber) { 576 ATRACE_CALL(); 577 578 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 579 } 580 581 status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 582 int64_t* /*lastFrameNumber*/) { 583 ATRACE_CALL(); 584 585 List<const CameraMetadata> requests; 586 requests.push_back(request); 587 return setStreamingRequestList(requests, /*lastFrameNumber*/NULL); 588 } 589 590 status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 591 int64_t *lastFrameNumber) { 592 ATRACE_CALL(); 593 594 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 595 } 596 597 sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 598 const CameraMetadata &request) { 599 status_t res; 600 601 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 602 res = configureStreamsLocked(); 603 // Stream configuration failed due to unsupported configuration. 604 // Device back to unconfigured state. Client might try other configuraitons 605 if (res == BAD_VALUE && mStatus == STATUS_UNCONFIGURED) { 606 CLOGE("No streams configured"); 607 return NULL; 608 } 609 // Stream configuration failed for other reason. Fatal. 610 if (res != OK) { 611 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 612 return NULL; 613 } 614 // Stream configuration successfully configure to empty stream configuration. 615 if (mStatus == STATUS_UNCONFIGURED) { 616 CLOGE("No streams configured"); 617 return NULL; 618 } 619 } 620 621 sp<CaptureRequest> newRequest = createCaptureRequest(request); 622 return newRequest; 623 } 624 625 status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 626 ATRACE_CALL(); 627 Mutex::Autolock il(mInterfaceLock); 628 Mutex::Autolock l(mLock); 629 630 switch (mStatus) { 631 case STATUS_ERROR: 632 CLOGE("Device has encountered a serious error"); 633 return INVALID_OPERATION; 634 case STATUS_UNINITIALIZED: 635 CLOGE("Device not initialized"); 636 return INVALID_OPERATION; 637 case STATUS_UNCONFIGURED: 638 case STATUS_CONFIGURED: 639 case STATUS_ACTIVE: 640 // OK 641 break; 642 default: 643 SET_ERR_L("Unexpected status: %d", mStatus); 644 return INVALID_OPERATION; 645 } 646 ALOGV("Camera %d: Clearing repeating request", mId); 647 648 return mRequestThread->clearRepeatingRequests(lastFrameNumber); 649 } 650 651 status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 652 ATRACE_CALL(); 653 Mutex::Autolock il(mInterfaceLock); 654 655 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 656 } 657 658 status_t Camera3Device::createInputStream( 659 uint32_t width, uint32_t height, int format, int *id) { 660 ATRACE_CALL(); 661 Mutex::Autolock il(mInterfaceLock); 662 Mutex::Autolock l(mLock); 663 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 664 mId, mNextStreamId, width, height, format); 665 666 status_t res; 667 bool wasActive = false; 668 669 switch (mStatus) { 670 case STATUS_ERROR: 671 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 672 return INVALID_OPERATION; 673 case STATUS_UNINITIALIZED: 674 ALOGE("%s: Device not initialized", __FUNCTION__); 675 return INVALID_OPERATION; 676 case STATUS_UNCONFIGURED: 677 case STATUS_CONFIGURED: 678 // OK 679 break; 680 case STATUS_ACTIVE: 681 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 682 res = internalPauseAndWaitLocked(); 683 if (res != OK) { 684 SET_ERR_L("Can't pause captures to reconfigure streams!"); 685 return res; 686 } 687 wasActive = true; 688 break; 689 default: 690 SET_ERR_L("%s: Unexpected status: %d", mStatus); 691 return INVALID_OPERATION; 692 } 693 assert(mStatus != STATUS_ACTIVE); 694 695 if (mInputStream != 0) { 696 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 697 return INVALID_OPERATION; 698 } 699 700 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 701 width, height, format); 702 newStream->setStatusTracker(mStatusTracker); 703 704 mInputStream = newStream; 705 706 *id = mNextStreamId++; 707 708 // Continue captures if active at start 709 if (wasActive) { 710 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 711 res = configureStreamsLocked(); 712 if (res != OK) { 713 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 714 __FUNCTION__, mNextStreamId, strerror(-res), res); 715 return res; 716 } 717 internalResumeLocked(); 718 } 719 720 ALOGV("Camera %d: Created input stream", mId); 721 return OK; 722 } 723 724 725 status_t Camera3Device::createZslStream( 726 uint32_t width, uint32_t height, 727 int depth, 728 /*out*/ 729 int *id, 730 sp<Camera3ZslStream>* zslStream) { 731 ATRACE_CALL(); 732 Mutex::Autolock il(mInterfaceLock); 733 Mutex::Autolock l(mLock); 734 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 735 mId, mNextStreamId, width, height, depth); 736 737 status_t res; 738 bool wasActive = false; 739 740 switch (mStatus) { 741 case STATUS_ERROR: 742 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 743 return INVALID_OPERATION; 744 case STATUS_UNINITIALIZED: 745 ALOGE("%s: Device not initialized", __FUNCTION__); 746 return INVALID_OPERATION; 747 case STATUS_UNCONFIGURED: 748 case STATUS_CONFIGURED: 749 // OK 750 break; 751 case STATUS_ACTIVE: 752 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 753 res = internalPauseAndWaitLocked(); 754 if (res != OK) { 755 SET_ERR_L("Can't pause captures to reconfigure streams!"); 756 return res; 757 } 758 wasActive = true; 759 break; 760 default: 761 SET_ERR_L("Unexpected status: %d", mStatus); 762 return INVALID_OPERATION; 763 } 764 assert(mStatus != STATUS_ACTIVE); 765 766 if (mInputStream != 0) { 767 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 768 return INVALID_OPERATION; 769 } 770 771 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 772 width, height, depth); 773 newStream->setStatusTracker(mStatusTracker); 774 775 res = mOutputStreams.add(mNextStreamId, newStream); 776 if (res < 0) { 777 ALOGE("%s: Can't add new stream to set: %s (%d)", 778 __FUNCTION__, strerror(-res), res); 779 return res; 780 } 781 mInputStream = newStream; 782 783 mNeedConfig = true; 784 785 *id = mNextStreamId++; 786 *zslStream = newStream; 787 788 // Continue captures if active at start 789 if (wasActive) { 790 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 791 res = configureStreamsLocked(); 792 if (res != OK) { 793 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 794 __FUNCTION__, mNextStreamId, strerror(-res), res); 795 return res; 796 } 797 internalResumeLocked(); 798 } 799 800 ALOGV("Camera %d: Created ZSL stream", mId); 801 return OK; 802 } 803 804 status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 805 uint32_t width, uint32_t height, int format, int *id) { 806 ATRACE_CALL(); 807 Mutex::Autolock il(mInterfaceLock); 808 Mutex::Autolock l(mLock); 809 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d", 810 mId, mNextStreamId, width, height, format); 811 812 status_t res; 813 bool wasActive = false; 814 815 switch (mStatus) { 816 case STATUS_ERROR: 817 CLOGE("Device has encountered a serious error"); 818 return INVALID_OPERATION; 819 case STATUS_UNINITIALIZED: 820 CLOGE("Device not initialized"); 821 return INVALID_OPERATION; 822 case STATUS_UNCONFIGURED: 823 case STATUS_CONFIGURED: 824 // OK 825 break; 826 case STATUS_ACTIVE: 827 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 828 res = internalPauseAndWaitLocked(); 829 if (res != OK) { 830 SET_ERR_L("Can't pause captures to reconfigure streams!"); 831 return res; 832 } 833 wasActive = true; 834 break; 835 default: 836 SET_ERR_L("Unexpected status: %d", mStatus); 837 return INVALID_OPERATION; 838 } 839 assert(mStatus != STATUS_ACTIVE); 840 841 sp<Camera3OutputStream> newStream; 842 if (format == HAL_PIXEL_FORMAT_BLOB) { 843 ssize_t jpegBufferSize = getJpegBufferSize(width, height); 844 if (jpegBufferSize <= 0) { 845 SET_ERR_L("Invalid jpeg buffer size %zd", jpegBufferSize); 846 return BAD_VALUE; 847 } 848 849 newStream = new Camera3OutputStream(mNextStreamId, consumer, 850 width, height, jpegBufferSize, format); 851 } else { 852 newStream = new Camera3OutputStream(mNextStreamId, consumer, 853 width, height, format); 854 } 855 newStream->setStatusTracker(mStatusTracker); 856 857 res = mOutputStreams.add(mNextStreamId, newStream); 858 if (res < 0) { 859 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 860 return res; 861 } 862 863 *id = mNextStreamId++; 864 mNeedConfig = true; 865 866 // Continue captures if active at start 867 if (wasActive) { 868 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 869 res = configureStreamsLocked(); 870 if (res != OK) { 871 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 872 mNextStreamId, strerror(-res), res); 873 return res; 874 } 875 internalResumeLocked(); 876 } 877 ALOGV("Camera %d: Created new stream", mId); 878 return OK; 879 } 880 881 status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 882 ATRACE_CALL(); 883 (void)outputId; (void)id; 884 885 CLOGE("Unimplemented"); 886 return INVALID_OPERATION; 887 } 888 889 890 status_t Camera3Device::getStreamInfo(int id, 891 uint32_t *width, uint32_t *height, uint32_t *format) { 892 ATRACE_CALL(); 893 Mutex::Autolock il(mInterfaceLock); 894 Mutex::Autolock l(mLock); 895 896 switch (mStatus) { 897 case STATUS_ERROR: 898 CLOGE("Device has encountered a serious error"); 899 return INVALID_OPERATION; 900 case STATUS_UNINITIALIZED: 901 CLOGE("Device not initialized!"); 902 return INVALID_OPERATION; 903 case STATUS_UNCONFIGURED: 904 case STATUS_CONFIGURED: 905 case STATUS_ACTIVE: 906 // OK 907 break; 908 default: 909 SET_ERR_L("Unexpected status: %d", mStatus); 910 return INVALID_OPERATION; 911 } 912 913 ssize_t idx = mOutputStreams.indexOfKey(id); 914 if (idx == NAME_NOT_FOUND) { 915 CLOGE("Stream %d is unknown", id); 916 return idx; 917 } 918 919 if (width) *width = mOutputStreams[idx]->getWidth(); 920 if (height) *height = mOutputStreams[idx]->getHeight(); 921 if (format) *format = mOutputStreams[idx]->getFormat(); 922 923 return OK; 924 } 925 926 status_t Camera3Device::setStreamTransform(int id, 927 int transform) { 928 ATRACE_CALL(); 929 Mutex::Autolock il(mInterfaceLock); 930 Mutex::Autolock l(mLock); 931 932 switch (mStatus) { 933 case STATUS_ERROR: 934 CLOGE("Device has encountered a serious error"); 935 return INVALID_OPERATION; 936 case STATUS_UNINITIALIZED: 937 CLOGE("Device not initialized"); 938 return INVALID_OPERATION; 939 case STATUS_UNCONFIGURED: 940 case STATUS_CONFIGURED: 941 case STATUS_ACTIVE: 942 // OK 943 break; 944 default: 945 SET_ERR_L("Unexpected status: %d", mStatus); 946 return INVALID_OPERATION; 947 } 948 949 ssize_t idx = mOutputStreams.indexOfKey(id); 950 if (idx == NAME_NOT_FOUND) { 951 CLOGE("Stream %d does not exist", 952 id); 953 return BAD_VALUE; 954 } 955 956 return mOutputStreams.editValueAt(idx)->setTransform(transform); 957 } 958 959 status_t Camera3Device::deleteStream(int id) { 960 ATRACE_CALL(); 961 Mutex::Autolock il(mInterfaceLock); 962 Mutex::Autolock l(mLock); 963 status_t res; 964 965 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 966 967 // CameraDevice semantics require device to already be idle before 968 // deleteStream is called, unlike for createStream. 969 if (mStatus == STATUS_ACTIVE) { 970 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 971 return -EBUSY; 972 } 973 974 sp<Camera3StreamInterface> deletedStream; 975 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 976 if (mInputStream != NULL && id == mInputStream->getId()) { 977 deletedStream = mInputStream; 978 mInputStream.clear(); 979 } else { 980 if (outputStreamIdx == NAME_NOT_FOUND) { 981 CLOGE("Stream %d does not exist", id); 982 return BAD_VALUE; 983 } 984 } 985 986 // Delete output stream or the output part of a bi-directional stream. 987 if (outputStreamIdx != NAME_NOT_FOUND) { 988 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 989 mOutputStreams.removeItem(id); 990 } 991 992 // Free up the stream endpoint so that it can be used by some other stream 993 res = deletedStream->disconnect(); 994 if (res != OK) { 995 SET_ERR_L("Can't disconnect deleted stream %d", id); 996 // fall through since we want to still list the stream as deleted. 997 } 998 mDeletedStreams.add(deletedStream); 999 mNeedConfig = true; 1000 1001 return res; 1002 } 1003 1004 status_t Camera3Device::deleteReprocessStream(int id) { 1005 ATRACE_CALL(); 1006 (void)id; 1007 1008 CLOGE("Unimplemented"); 1009 return INVALID_OPERATION; 1010 } 1011 1012 status_t Camera3Device::configureStreams() { 1013 ATRACE_CALL(); 1014 ALOGV("%s: E", __FUNCTION__); 1015 1016 Mutex::Autolock il(mInterfaceLock); 1017 Mutex::Autolock l(mLock); 1018 1019 return configureStreamsLocked(); 1020 } 1021 1022 status_t Camera3Device::createDefaultRequest(int templateId, 1023 CameraMetadata *request) { 1024 ATRACE_CALL(); 1025 ALOGV("%s: for template %d", __FUNCTION__, templateId); 1026 Mutex::Autolock il(mInterfaceLock); 1027 Mutex::Autolock l(mLock); 1028 1029 switch (mStatus) { 1030 case STATUS_ERROR: 1031 CLOGE("Device has encountered a serious error"); 1032 return INVALID_OPERATION; 1033 case STATUS_UNINITIALIZED: 1034 CLOGE("Device is not initialized!"); 1035 return INVALID_OPERATION; 1036 case STATUS_UNCONFIGURED: 1037 case STATUS_CONFIGURED: 1038 case STATUS_ACTIVE: 1039 // OK 1040 break; 1041 default: 1042 SET_ERR_L("Unexpected status: %d", mStatus); 1043 return INVALID_OPERATION; 1044 } 1045 1046 if (!mRequestTemplateCache[templateId].isEmpty()) { 1047 *request = mRequestTemplateCache[templateId]; 1048 return OK; 1049 } 1050 1051 const camera_metadata_t *rawRequest; 1052 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1053 rawRequest = mHal3Device->ops->construct_default_request_settings( 1054 mHal3Device, templateId); 1055 ATRACE_END(); 1056 if (rawRequest == NULL) { 1057 SET_ERR_L("HAL is unable to construct default settings for template %d", 1058 templateId); 1059 return DEAD_OBJECT; 1060 } 1061 *request = rawRequest; 1062 mRequestTemplateCache[templateId] = rawRequest; 1063 1064 return OK; 1065 } 1066 1067 status_t Camera3Device::waitUntilDrained() { 1068 ATRACE_CALL(); 1069 Mutex::Autolock il(mInterfaceLock); 1070 Mutex::Autolock l(mLock); 1071 1072 return waitUntilDrainedLocked(); 1073 } 1074 1075 status_t Camera3Device::waitUntilDrainedLocked() { 1076 switch (mStatus) { 1077 case STATUS_UNINITIALIZED: 1078 case STATUS_UNCONFIGURED: 1079 ALOGV("%s: Already idle", __FUNCTION__); 1080 return OK; 1081 case STATUS_CONFIGURED: 1082 // To avoid race conditions, check with tracker to be sure 1083 case STATUS_ERROR: 1084 case STATUS_ACTIVE: 1085 // Need to verify shut down 1086 break; 1087 default: 1088 SET_ERR_L("Unexpected status: %d",mStatus); 1089 return INVALID_OPERATION; 1090 } 1091 1092 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1093 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1094 if (res != OK) { 1095 SET_ERR_L("Error waiting for HAL to drain: %s (%d)", strerror(-res), 1096 res); 1097 } 1098 return res; 1099 } 1100 1101 // Pause to reconfigure 1102 status_t Camera3Device::internalPauseAndWaitLocked() { 1103 mRequestThread->setPaused(true); 1104 mPauseStateNotify = true; 1105 1106 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1107 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1108 if (res != OK) { 1109 SET_ERR_L("Can't idle device in %f seconds!", 1110 kShutdownTimeout/1e9); 1111 } 1112 1113 return res; 1114 } 1115 1116 // Resume after internalPauseAndWaitLocked 1117 status_t Camera3Device::internalResumeLocked() { 1118 status_t res; 1119 1120 mRequestThread->setPaused(false); 1121 1122 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1123 if (res != OK) { 1124 SET_ERR_L("Can't transition to active in %f seconds!", 1125 kActiveTimeout/1e9); 1126 } 1127 mPauseStateNotify = false; 1128 return OK; 1129 } 1130 1131 status_t Camera3Device::waitUntilStateThenRelock(bool active, 1132 nsecs_t timeout) { 1133 status_t res = OK; 1134 if (active == (mStatus == STATUS_ACTIVE)) { 1135 // Desired state already reached 1136 return res; 1137 } 1138 1139 bool stateSeen = false; 1140 do { 1141 mRecentStatusUpdates.clear(); 1142 1143 res = mStatusChanged.waitRelative(mLock, timeout); 1144 if (res != OK) break; 1145 1146 // Check state change history during wait 1147 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1148 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1149 stateSeen = true; 1150 break; 1151 } 1152 } 1153 } while (!stateSeen); 1154 1155 return res; 1156 } 1157 1158 1159 status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1160 ATRACE_CALL(); 1161 Mutex::Autolock l(mOutputLock); 1162 1163 if (listener != NULL && mListener != NULL) { 1164 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1165 } 1166 mListener = listener; 1167 mRequestThread->setNotifyCallback(listener); 1168 1169 return OK; 1170 } 1171 1172 bool Camera3Device::willNotify3A() { 1173 return false; 1174 } 1175 1176 status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1177 status_t res; 1178 Mutex::Autolock l(mOutputLock); 1179 1180 while (mResultQueue.empty()) { 1181 res = mResultSignal.waitRelative(mOutputLock, timeout); 1182 if (res == TIMED_OUT) { 1183 return res; 1184 } else if (res != OK) { 1185 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1186 __FUNCTION__, mId, timeout, strerror(-res), res); 1187 return res; 1188 } 1189 } 1190 return OK; 1191 } 1192 1193 status_t Camera3Device::getNextResult(CaptureResult *frame) { 1194 ATRACE_CALL(); 1195 Mutex::Autolock l(mOutputLock); 1196 1197 if (mResultQueue.empty()) { 1198 return NOT_ENOUGH_DATA; 1199 } 1200 1201 if (frame == NULL) { 1202 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1203 return BAD_VALUE; 1204 } 1205 1206 CaptureResult &result = *(mResultQueue.begin()); 1207 frame->mResultExtras = result.mResultExtras; 1208 frame->mMetadata.acquire(result.mMetadata); 1209 mResultQueue.erase(mResultQueue.begin()); 1210 1211 return OK; 1212 } 1213 1214 status_t Camera3Device::triggerAutofocus(uint32_t id) { 1215 ATRACE_CALL(); 1216 Mutex::Autolock il(mInterfaceLock); 1217 1218 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1219 // Mix-in this trigger into the next request and only the next request. 1220 RequestTrigger trigger[] = { 1221 { 1222 ANDROID_CONTROL_AF_TRIGGER, 1223 ANDROID_CONTROL_AF_TRIGGER_START 1224 }, 1225 { 1226 ANDROID_CONTROL_AF_TRIGGER_ID, 1227 static_cast<int32_t>(id) 1228 } 1229 }; 1230 1231 return mRequestThread->queueTrigger(trigger, 1232 sizeof(trigger)/sizeof(trigger[0])); 1233 } 1234 1235 status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1236 ATRACE_CALL(); 1237 Mutex::Autolock il(mInterfaceLock); 1238 1239 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1240 // Mix-in this trigger into the next request and only the next request. 1241 RequestTrigger trigger[] = { 1242 { 1243 ANDROID_CONTROL_AF_TRIGGER, 1244 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1245 }, 1246 { 1247 ANDROID_CONTROL_AF_TRIGGER_ID, 1248 static_cast<int32_t>(id) 1249 } 1250 }; 1251 1252 return mRequestThread->queueTrigger(trigger, 1253 sizeof(trigger)/sizeof(trigger[0])); 1254 } 1255 1256 status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1257 ATRACE_CALL(); 1258 Mutex::Autolock il(mInterfaceLock); 1259 1260 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1261 // Mix-in this trigger into the next request and only the next request. 1262 RequestTrigger trigger[] = { 1263 { 1264 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1265 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1266 }, 1267 { 1268 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1269 static_cast<int32_t>(id) 1270 } 1271 }; 1272 1273 return mRequestThread->queueTrigger(trigger, 1274 sizeof(trigger)/sizeof(trigger[0])); 1275 } 1276 1277 status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1278 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1279 ATRACE_CALL(); 1280 (void)reprocessStreamId; (void)buffer; (void)listener; 1281 1282 CLOGE("Unimplemented"); 1283 return INVALID_OPERATION; 1284 } 1285 1286 status_t Camera3Device::flush(int64_t *frameNumber) { 1287 ATRACE_CALL(); 1288 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1289 Mutex::Autolock il(mInterfaceLock); 1290 1291 NotificationListener* listener; 1292 { 1293 Mutex::Autolock l(mOutputLock); 1294 listener = mListener; 1295 } 1296 1297 { 1298 Mutex::Autolock l(mLock); 1299 mRequestThread->clear(listener, /*out*/frameNumber); 1300 } 1301 1302 status_t res; 1303 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1304 res = mHal3Device->ops->flush(mHal3Device); 1305 } else { 1306 Mutex::Autolock l(mLock); 1307 res = waitUntilDrainedLocked(); 1308 } 1309 1310 return res; 1311 } 1312 1313 uint32_t Camera3Device::getDeviceVersion() { 1314 ATRACE_CALL(); 1315 Mutex::Autolock il(mInterfaceLock); 1316 return mDeviceVersion; 1317 } 1318 1319 /** 1320 * Methods called by subclasses 1321 */ 1322 1323 void Camera3Device::notifyStatus(bool idle) { 1324 { 1325 // Need mLock to safely update state and synchronize to current 1326 // state of methods in flight. 1327 Mutex::Autolock l(mLock); 1328 // We can get various system-idle notices from the status tracker 1329 // while starting up. Only care about them if we've actually sent 1330 // in some requests recently. 1331 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1332 return; 1333 } 1334 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1335 idle ? "idle" : "active"); 1336 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1337 mRecentStatusUpdates.add(mStatus); 1338 mStatusChanged.signal(); 1339 1340 // Skip notifying listener if we're doing some user-transparent 1341 // state changes 1342 if (mPauseStateNotify) return; 1343 } 1344 NotificationListener *listener; 1345 { 1346 Mutex::Autolock l(mOutputLock); 1347 listener = mListener; 1348 } 1349 if (idle && listener != NULL) { 1350 listener->notifyIdle(); 1351 } 1352 } 1353 1354 /** 1355 * Camera3Device private methods 1356 */ 1357 1358 sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1359 const CameraMetadata &request) { 1360 ATRACE_CALL(); 1361 status_t res; 1362 1363 sp<CaptureRequest> newRequest = new CaptureRequest; 1364 newRequest->mSettings = request; 1365 1366 camera_metadata_entry_t inputStreams = 1367 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1368 if (inputStreams.count > 0) { 1369 if (mInputStream == NULL || 1370 mInputStream->getId() != inputStreams.data.i32[0]) { 1371 CLOGE("Request references unknown input stream %d", 1372 inputStreams.data.u8[0]); 1373 return NULL; 1374 } 1375 // Lazy completion of stream configuration (allocation/registration) 1376 // on first use 1377 if (mInputStream->isConfiguring()) { 1378 res = mInputStream->finishConfiguration(mHal3Device); 1379 if (res != OK) { 1380 SET_ERR_L("Unable to finish configuring input stream %d:" 1381 " %s (%d)", 1382 mInputStream->getId(), strerror(-res), res); 1383 return NULL; 1384 } 1385 } 1386 1387 newRequest->mInputStream = mInputStream; 1388 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1389 } 1390 1391 camera_metadata_entry_t streams = 1392 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1393 if (streams.count == 0) { 1394 CLOGE("Zero output streams specified!"); 1395 return NULL; 1396 } 1397 1398 for (size_t i = 0; i < streams.count; i++) { 1399 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1400 if (idx == NAME_NOT_FOUND) { 1401 CLOGE("Request references unknown stream %d", 1402 streams.data.u8[i]); 1403 return NULL; 1404 } 1405 sp<Camera3OutputStreamInterface> stream = 1406 mOutputStreams.editValueAt(idx); 1407 1408 // Lazy completion of stream configuration (allocation/registration) 1409 // on first use 1410 if (stream->isConfiguring()) { 1411 res = stream->finishConfiguration(mHal3Device); 1412 if (res != OK) { 1413 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1414 stream->getId(), strerror(-res), res); 1415 return NULL; 1416 } 1417 } 1418 1419 newRequest->mOutputStreams.push(stream); 1420 } 1421 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1422 1423 return newRequest; 1424 } 1425 1426 status_t Camera3Device::configureStreamsLocked() { 1427 ATRACE_CALL(); 1428 status_t res; 1429 1430 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1431 CLOGE("Not idle"); 1432 return INVALID_OPERATION; 1433 } 1434 1435 if (!mNeedConfig) { 1436 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1437 return OK; 1438 } 1439 1440 // Workaround for device HALv3.2 or older spec bug - zero streams requires 1441 // adding a dummy stream instead. 1442 // TODO: Bug: 17321404 for fixing the HAL spec and removing this workaround. 1443 if (mOutputStreams.size() == 0) { 1444 addDummyStreamLocked(); 1445 } else { 1446 tryRemoveDummyStreamLocked(); 1447 } 1448 1449 // Start configuring the streams 1450 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1451 1452 camera3_stream_configuration config; 1453 1454 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1455 1456 Vector<camera3_stream_t*> streams; 1457 streams.setCapacity(config.num_streams); 1458 1459 if (mInputStream != NULL) { 1460 camera3_stream_t *inputStream; 1461 inputStream = mInputStream->startConfiguration(); 1462 if (inputStream == NULL) { 1463 SET_ERR_L("Can't start input stream configuration"); 1464 return INVALID_OPERATION; 1465 } 1466 streams.add(inputStream); 1467 } 1468 1469 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1470 1471 // Don't configure bidi streams twice, nor add them twice to the list 1472 if (mOutputStreams[i].get() == 1473 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1474 1475 config.num_streams--; 1476 continue; 1477 } 1478 1479 camera3_stream_t *outputStream; 1480 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1481 if (outputStream == NULL) { 1482 SET_ERR_L("Can't start output stream configuration"); 1483 return INVALID_OPERATION; 1484 } 1485 streams.add(outputStream); 1486 } 1487 1488 config.streams = streams.editArray(); 1489 1490 // Do the HAL configuration; will potentially touch stream 1491 // max_buffers, usage, priv fields. 1492 ATRACE_BEGIN("camera3->configure_streams"); 1493 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1494 ATRACE_END(); 1495 1496 if (res == BAD_VALUE) { 1497 // HAL rejected this set of streams as unsupported, clean up config 1498 // attempt and return to unconfigured state 1499 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1500 res = mInputStream->cancelConfiguration(); 1501 if (res != OK) { 1502 SET_ERR_L("Can't cancel configuring input stream %d: %s (%d)", 1503 mInputStream->getId(), strerror(-res), res); 1504 return res; 1505 } 1506 } 1507 1508 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1509 sp<Camera3OutputStreamInterface> outputStream = 1510 mOutputStreams.editValueAt(i); 1511 if (outputStream->isConfiguring()) { 1512 res = outputStream->cancelConfiguration(); 1513 if (res != OK) { 1514 SET_ERR_L( 1515 "Can't cancel configuring output stream %d: %s (%d)", 1516 outputStream->getId(), strerror(-res), res); 1517 return res; 1518 } 1519 } 1520 } 1521 1522 // Return state to that at start of call, so that future configures 1523 // properly clean things up 1524 mStatus = STATUS_UNCONFIGURED; 1525 mNeedConfig = true; 1526 1527 ALOGV("%s: Camera %d: Stream configuration failed", __FUNCTION__, mId); 1528 return BAD_VALUE; 1529 } else if (res != OK) { 1530 // Some other kind of error from configure_streams - this is not 1531 // expected 1532 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1533 strerror(-res), res); 1534 return res; 1535 } 1536 1537 // Finish all stream configuration immediately. 1538 // TODO: Try to relax this later back to lazy completion, which should be 1539 // faster 1540 1541 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1542 res = mInputStream->finishConfiguration(mHal3Device); 1543 if (res != OK) { 1544 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1545 mInputStream->getId(), strerror(-res), res); 1546 return res; 1547 } 1548 } 1549 1550 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1551 sp<Camera3OutputStreamInterface> outputStream = 1552 mOutputStreams.editValueAt(i); 1553 if (outputStream->isConfiguring()) { 1554 res = outputStream->finishConfiguration(mHal3Device); 1555 if (res != OK) { 1556 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1557 outputStream->getId(), strerror(-res), res); 1558 return res; 1559 } 1560 } 1561 } 1562 1563 // Request thread needs to know to avoid using repeat-last-settings protocol 1564 // across configure_streams() calls 1565 mRequestThread->configurationComplete(); 1566 1567 // Update device state 1568 1569 mNeedConfig = false; 1570 1571 if (mDummyStreamId == NO_STREAM) { 1572 mStatus = STATUS_CONFIGURED; 1573 } else { 1574 mStatus = STATUS_UNCONFIGURED; 1575 } 1576 1577 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1578 1579 // tear down the deleted streams after configure streams. 1580 mDeletedStreams.clear(); 1581 1582 return OK; 1583 } 1584 1585 status_t Camera3Device::addDummyStreamLocked() { 1586 ATRACE_CALL(); 1587 status_t res; 1588 1589 if (mDummyStreamId != NO_STREAM) { 1590 // Should never be adding a second dummy stream when one is already 1591 // active 1592 SET_ERR_L("%s: Camera %d: A dummy stream already exists!", 1593 __FUNCTION__, mId); 1594 return INVALID_OPERATION; 1595 } 1596 1597 ALOGV("%s: Camera %d: Adding a dummy stream", __FUNCTION__, mId); 1598 1599 sp<Camera3OutputStreamInterface> dummyStream = 1600 new Camera3DummyStream(mNextStreamId); 1601 1602 res = mOutputStreams.add(mNextStreamId, dummyStream); 1603 if (res < 0) { 1604 SET_ERR_L("Can't add dummy stream to set: %s (%d)", strerror(-res), res); 1605 return res; 1606 } 1607 1608 mDummyStreamId = mNextStreamId; 1609 mNextStreamId++; 1610 1611 return OK; 1612 } 1613 1614 status_t Camera3Device::tryRemoveDummyStreamLocked() { 1615 ATRACE_CALL(); 1616 status_t res; 1617 1618 if (mDummyStreamId == NO_STREAM) return OK; 1619 if (mOutputStreams.size() == 1) return OK; 1620 1621 ALOGV("%s: Camera %d: Removing the dummy stream", __FUNCTION__, mId); 1622 1623 // Ok, have a dummy stream and there's at least one other output stream, 1624 // so remove the dummy 1625 1626 sp<Camera3StreamInterface> deletedStream; 1627 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(mDummyStreamId); 1628 if (outputStreamIdx == NAME_NOT_FOUND) { 1629 SET_ERR_L("Dummy stream %d does not appear to exist", mDummyStreamId); 1630 return INVALID_OPERATION; 1631 } 1632 1633 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 1634 mOutputStreams.removeItemsAt(outputStreamIdx); 1635 1636 // Free up the stream endpoint so that it can be used by some other stream 1637 res = deletedStream->disconnect(); 1638 if (res != OK) { 1639 SET_ERR_L("Can't disconnect deleted dummy stream %d", mDummyStreamId); 1640 // fall through since we want to still list the stream as deleted. 1641 } 1642 mDeletedStreams.add(deletedStream); 1643 mDummyStreamId = NO_STREAM; 1644 1645 return res; 1646 } 1647 1648 void Camera3Device::setErrorState(const char *fmt, ...) { 1649 Mutex::Autolock l(mLock); 1650 va_list args; 1651 va_start(args, fmt); 1652 1653 setErrorStateLockedV(fmt, args); 1654 1655 va_end(args); 1656 } 1657 1658 void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1659 Mutex::Autolock l(mLock); 1660 setErrorStateLockedV(fmt, args); 1661 } 1662 1663 void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1664 va_list args; 1665 va_start(args, fmt); 1666 1667 setErrorStateLockedV(fmt, args); 1668 1669 va_end(args); 1670 } 1671 1672 void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1673 // Print out all error messages to log 1674 String8 errorCause = String8::formatV(fmt, args); 1675 ALOGE("Camera %d: %s", mId, errorCause.string()); 1676 1677 // But only do error state transition steps for the first error 1678 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1679 1680 mErrorCause = errorCause; 1681 1682 mRequestThread->setPaused(true); 1683 mStatus = STATUS_ERROR; 1684 1685 // Notify upstream about a device error 1686 if (mListener != NULL) { 1687 mListener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 1688 CaptureResultExtras()); 1689 } 1690 1691 // Save stack trace. View by dumping it later. 1692 CameraTraces::saveTrace(); 1693 // TODO: consider adding errorCause and client pid/procname 1694 } 1695 1696 /** 1697 * In-flight request management 1698 */ 1699 1700 status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1701 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput) { 1702 ATRACE_CALL(); 1703 Mutex::Autolock l(mInFlightLock); 1704 1705 ssize_t res; 1706 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput)); 1707 if (res < 0) return res; 1708 1709 return OK; 1710 } 1711 1712 /** 1713 * Check if all 3A fields are ready, and send off a partial 3A-only result 1714 * to the output frame queue 1715 */ 1716 bool Camera3Device::processPartial3AResult( 1717 uint32_t frameNumber, 1718 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1719 1720 // Check if all 3A states are present 1721 // The full list of fields is 1722 // android.control.afMode 1723 // android.control.awbMode 1724 // android.control.aeState 1725 // android.control.awbState 1726 // android.control.afState 1727 // android.control.afTriggerID 1728 // android.control.aePrecaptureID 1729 // TODO: Add android.control.aeMode 1730 1731 bool gotAllStates = true; 1732 1733 uint8_t afMode; 1734 uint8_t awbMode; 1735 uint8_t aeState; 1736 uint8_t afState; 1737 uint8_t awbState; 1738 1739 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1740 &afMode, frameNumber); 1741 1742 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1743 &awbMode, frameNumber); 1744 1745 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1746 &aeState, frameNumber); 1747 1748 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1749 &afState, frameNumber); 1750 1751 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1752 &awbState, frameNumber); 1753 1754 if (!gotAllStates) return false; 1755 1756 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1757 "AF state %d, AE state %d, AWB state %d, " 1758 "AF trigger %d, AE precapture trigger %d", 1759 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1760 afMode, awbMode, 1761 afState, aeState, awbState, 1762 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1763 1764 // Got all states, so construct a minimal result to send 1765 // In addition to the above fields, this means adding in 1766 // android.request.frameCount 1767 // android.request.requestId 1768 // android.quirks.partialResult (for HAL version below HAL3.2) 1769 1770 const size_t kMinimal3AResultEntries = 10; 1771 1772 Mutex::Autolock l(mOutputLock); 1773 1774 CaptureResult captureResult; 1775 captureResult.mResultExtras = resultExtras; 1776 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1777 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1778 // but not limited to CameraDeviceBase::getNextResult 1779 CaptureResult& min3AResult = 1780 *mResultQueue.insert(mResultQueue.end(), captureResult); 1781 1782 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1783 // TODO: This is problematic casting. Need to fix CameraMetadata. 1784 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1785 return false; 1786 } 1787 1788 int32_t requestId = resultExtras.requestId; 1789 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1790 &requestId, frameNumber)) { 1791 return false; 1792 } 1793 1794 if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) { 1795 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1796 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1797 &partialResult, frameNumber)) { 1798 return false; 1799 } 1800 } 1801 1802 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1803 &afMode, frameNumber)) { 1804 return false; 1805 } 1806 1807 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1808 &awbMode, frameNumber)) { 1809 return false; 1810 } 1811 1812 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1813 &aeState, frameNumber)) { 1814 return false; 1815 } 1816 1817 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1818 &afState, frameNumber)) { 1819 return false; 1820 } 1821 1822 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1823 &awbState, frameNumber)) { 1824 return false; 1825 } 1826 1827 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1828 &resultExtras.afTriggerId, frameNumber)) { 1829 return false; 1830 } 1831 1832 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1833 &resultExtras.precaptureTriggerId, frameNumber)) { 1834 return false; 1835 } 1836 1837 // We only send the aggregated partial when all 3A related metadata are available 1838 // For both API1 and API2. 1839 // TODO: we probably should pass through all partials to API2 unconditionally. 1840 mResultSignal.signal(); 1841 1842 return true; 1843 } 1844 1845 template<typename T> 1846 bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1847 T* value, uint32_t frameNumber) { 1848 (void) frameNumber; 1849 1850 camera_metadata_ro_entry_t entry; 1851 1852 entry = result.find(tag); 1853 if (entry.count == 0) { 1854 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1855 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1856 return false; 1857 } 1858 1859 if (sizeof(T) == sizeof(uint8_t)) { 1860 *value = entry.data.u8[0]; 1861 } else if (sizeof(T) == sizeof(int32_t)) { 1862 *value = entry.data.i32[0]; 1863 } else { 1864 ALOGE("%s: Unexpected type", __FUNCTION__); 1865 return false; 1866 } 1867 return true; 1868 } 1869 1870 template<typename T> 1871 bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1872 const T* value, uint32_t frameNumber) { 1873 if (result.update(tag, value, 1) != NO_ERROR) { 1874 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1875 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1876 frameNumber, get_camera_metadata_tag_name(tag)); 1877 return false; 1878 } 1879 return true; 1880 } 1881 1882 1883 void Camera3Device::returnOutputBuffers( 1884 const camera3_stream_buffer_t *outputBuffers, size_t numBuffers, 1885 nsecs_t timestamp) { 1886 for (size_t i = 0; i < numBuffers; i++) 1887 { 1888 Camera3Stream *stream = Camera3Stream::cast(outputBuffers[i].stream); 1889 status_t res = stream->returnBuffer(outputBuffers[i], timestamp); 1890 // Note: stream may be deallocated at this point, if this buffer was 1891 // the last reference to it. 1892 if (res != OK) { 1893 ALOGE("Can't return buffer to its stream: %s (%d)", 1894 strerror(-res), res); 1895 } 1896 } 1897 } 1898 1899 1900 void Camera3Device::removeInFlightRequestIfReadyLocked(int idx) { 1901 1902 const InFlightRequest &request = mInFlightMap.valueAt(idx); 1903 const uint32_t frameNumber = mInFlightMap.keyAt(idx); 1904 1905 nsecs_t sensorTimestamp = request.sensorTimestamp; 1906 nsecs_t shutterTimestamp = request.shutterTimestamp; 1907 1908 // Check if it's okay to remove the request from InFlightMap: 1909 // In the case of a successful request: 1910 // all input and output buffers, all result metadata, shutter callback 1911 // arrived. 1912 // In the case of a unsuccessful request: 1913 // all input and output buffers arrived. 1914 if (request.numBuffersLeft == 0 && 1915 (request.requestStatus != OK || 1916 (request.haveResultMetadata && shutterTimestamp != 0))) { 1917 ATRACE_ASYNC_END("frame capture", frameNumber); 1918 1919 // Sanity check - if sensor timestamp matches shutter timestamp 1920 if (request.requestStatus == OK && 1921 sensorTimestamp != shutterTimestamp) { 1922 SET_ERR("sensor timestamp (%" PRId64 1923 ") for frame %d doesn't match shutter timestamp (%" PRId64 ")", 1924 sensorTimestamp, frameNumber, shutterTimestamp); 1925 } 1926 1927 // for an unsuccessful request, it may have pending output buffers to 1928 // return. 1929 assert(request.requestStatus != OK || 1930 request.pendingOutputBuffers.size() == 0); 1931 returnOutputBuffers(request.pendingOutputBuffers.array(), 1932 request.pendingOutputBuffers.size(), 0); 1933 1934 mInFlightMap.removeItemsAt(idx, 1); 1935 1936 ALOGVV("%s: removed frame %d from InFlightMap", __FUNCTION__, frameNumber); 1937 } 1938 1939 // Sanity check - if we have too many in-flight frames, something has 1940 // likely gone wrong 1941 if (mInFlightMap.size() > kInFlightWarnLimit) { 1942 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1943 } 1944 } 1945 1946 1947 void Camera3Device::sendCaptureResult(CameraMetadata &pendingMetadata, 1948 CaptureResultExtras &resultExtras, 1949 CameraMetadata &collectedPartialResult, 1950 uint32_t frameNumber) { 1951 if (pendingMetadata.isEmpty()) 1952 return; 1953 1954 Mutex::Autolock l(mOutputLock); 1955 1956 // TODO: need to track errors for tighter bounds on expected frame number 1957 if (frameNumber < mNextResultFrameNumber) { 1958 SET_ERR("Out-of-order capture result metadata submitted! " 1959 "(got frame number %d, expecting %d)", 1960 frameNumber, mNextResultFrameNumber); 1961 return; 1962 } 1963 mNextResultFrameNumber = frameNumber + 1; 1964 1965 CaptureResult captureResult; 1966 captureResult.mResultExtras = resultExtras; 1967 captureResult.mMetadata = pendingMetadata; 1968 1969 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1970 (int32_t*)&frameNumber, 1) != OK) { 1971 SET_ERR("Failed to set frame# in metadata (%d)", 1972 frameNumber); 1973 return; 1974 } else { 1975 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1976 __FUNCTION__, mId, frameNumber); 1977 } 1978 1979 // Append any previous partials to form a complete result 1980 if (mUsePartialResult && !collectedPartialResult.isEmpty()) { 1981 captureResult.mMetadata.append(collectedPartialResult); 1982 } 1983 1984 captureResult.mMetadata.sort(); 1985 1986 // Check that there's a timestamp in the result metadata 1987 camera_metadata_entry entry = 1988 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1989 if (entry.count == 0) { 1990 SET_ERR("No timestamp provided by HAL for frame %d!", 1991 frameNumber); 1992 return; 1993 } 1994 1995 // Valid result, insert into queue 1996 List<CaptureResult>::iterator queuedResult = 1997 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1998 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1999 ", burstId = %" PRId32, __FUNCTION__, 2000 queuedResult->mResultExtras.requestId, 2001 queuedResult->mResultExtras.frameNumber, 2002 queuedResult->mResultExtras.burstId); 2003 2004 mResultSignal.signal(); 2005 } 2006 2007 /** 2008 * Camera HAL device callback methods 2009 */ 2010 2011 void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 2012 ATRACE_CALL(); 2013 2014 status_t res; 2015 2016 uint32_t frameNumber = result->frame_number; 2017 if (result->result == NULL && result->num_output_buffers == 0 && 2018 result->input_buffer == NULL) { 2019 SET_ERR("No result data provided by HAL for frame %d", 2020 frameNumber); 2021 return; 2022 } 2023 2024 // For HAL3.2 or above, If HAL doesn't support partial, it must always set 2025 // partial_result to 1 when metadata is included in this result. 2026 if (!mUsePartialResult && 2027 mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && 2028 result->result != NULL && 2029 result->partial_result != 1) { 2030 SET_ERR("Result is malformed for frame %d: partial_result %u must be 1" 2031 " if partial result is not supported", 2032 frameNumber, result->partial_result); 2033 return; 2034 } 2035 2036 bool isPartialResult = false; 2037 CameraMetadata collectedPartialResult; 2038 CaptureResultExtras resultExtras; 2039 bool hasInputBufferInRequest = false; 2040 2041 // Get shutter timestamp and resultExtras from list of in-flight requests, 2042 // where it was added by the shutter notification for this frame. If the 2043 // shutter timestamp isn't received yet, append the output buffers to the 2044 // in-flight request and they will be returned when the shutter timestamp 2045 // arrives. Update the in-flight status and remove the in-flight entry if 2046 // all result data and shutter timestamp have been received. 2047 nsecs_t shutterTimestamp = 0; 2048 2049 { 2050 Mutex::Autolock l(mInFlightLock); 2051 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 2052 if (idx == NAME_NOT_FOUND) { 2053 SET_ERR("Unknown frame number for capture result: %d", 2054 frameNumber); 2055 return; 2056 } 2057 InFlightRequest &request = mInFlightMap.editValueAt(idx); 2058 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 2059 ", frameNumber = %" PRId64 ", burstId = %" PRId32 2060 ", partialResultCount = %d", 2061 __FUNCTION__, request.resultExtras.requestId, 2062 request.resultExtras.frameNumber, request.resultExtras.burstId, 2063 result->partial_result); 2064 // Always update the partial count to the latest one if it's not 0 2065 // (buffers only). When framework aggregates adjacent partial results 2066 // into one, the latest partial count will be used. 2067 if (result->partial_result != 0) 2068 request.resultExtras.partialResultCount = result->partial_result; 2069 2070 // Check if this result carries only partial metadata 2071 if (mUsePartialResult && result->result != NULL) { 2072 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2073 if (result->partial_result > mNumPartialResults || result->partial_result < 1) { 2074 SET_ERR("Result is malformed for frame %d: partial_result %u must be in" 2075 " the range of [1, %d] when metadata is included in the result", 2076 frameNumber, result->partial_result, mNumPartialResults); 2077 return; 2078 } 2079 isPartialResult = (result->partial_result < mNumPartialResults); 2080 if (isPartialResult) { 2081 request.partialResult.collectedResult.append(result->result); 2082 } 2083 } else { 2084 camera_metadata_ro_entry_t partialResultEntry; 2085 res = find_camera_metadata_ro_entry(result->result, 2086 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 2087 if (res != NAME_NOT_FOUND && 2088 partialResultEntry.count > 0 && 2089 partialResultEntry.data.u8[0] == 2090 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 2091 // A partial result. Flag this as such, and collect this 2092 // set of metadata into the in-flight entry. 2093 isPartialResult = true; 2094 request.partialResult.collectedResult.append( 2095 result->result); 2096 request.partialResult.collectedResult.erase( 2097 ANDROID_QUIRKS_PARTIAL_RESULT); 2098 } 2099 } 2100 2101 if (isPartialResult) { 2102 // Fire off a 3A-only result if possible 2103 if (!request.partialResult.haveSent3A) { 2104 request.partialResult.haveSent3A = 2105 processPartial3AResult(frameNumber, 2106 request.partialResult.collectedResult, 2107 request.resultExtras); 2108 } 2109 } 2110 } 2111 2112 shutterTimestamp = request.shutterTimestamp; 2113 hasInputBufferInRequest = request.hasInputBuffer; 2114 2115 // Did we get the (final) result metadata for this capture? 2116 if (result->result != NULL && !isPartialResult) { 2117 if (request.haveResultMetadata) { 2118 SET_ERR("Called multiple times with metadata for frame %d", 2119 frameNumber); 2120 return; 2121 } 2122 if (mUsePartialResult && 2123 !request.partialResult.collectedResult.isEmpty()) { 2124 collectedPartialResult.acquire( 2125 request.partialResult.collectedResult); 2126 } 2127 request.haveResultMetadata = true; 2128 } 2129 2130 uint32_t numBuffersReturned = result->num_output_buffers; 2131 if (result->input_buffer != NULL) { 2132 if (hasInputBufferInRequest) { 2133 numBuffersReturned += 1; 2134 } else { 2135 ALOGW("%s: Input buffer should be NULL if there is no input" 2136 " buffer sent in the request", 2137 __FUNCTION__); 2138 } 2139 } 2140 request.numBuffersLeft -= numBuffersReturned; 2141 if (request.numBuffersLeft < 0) { 2142 SET_ERR("Too many buffers returned for frame %d", 2143 frameNumber); 2144 return; 2145 } 2146 2147 camera_metadata_ro_entry_t entry; 2148 res = find_camera_metadata_ro_entry(result->result, 2149 ANDROID_SENSOR_TIMESTAMP, &entry); 2150 if (res == OK && entry.count == 1) { 2151 request.sensorTimestamp = entry.data.i64[0]; 2152 } 2153 2154 // If shutter event isn't received yet, append the output buffers to 2155 // the in-flight request. Otherwise, return the output buffers to 2156 // streams. 2157 if (shutterTimestamp == 0) { 2158 request.pendingOutputBuffers.appendArray(result->output_buffers, 2159 result->num_output_buffers); 2160 } else { 2161 returnOutputBuffers(result->output_buffers, 2162 result->num_output_buffers, shutterTimestamp); 2163 } 2164 2165 if (result->result != NULL && !isPartialResult) { 2166 if (shutterTimestamp == 0) { 2167 request.pendingMetadata = result->result; 2168 request.partialResult.collectedResult = collectedPartialResult; 2169 } else { 2170 CameraMetadata metadata; 2171 metadata = result->result; 2172 sendCaptureResult(metadata, request.resultExtras, 2173 collectedPartialResult, frameNumber); 2174 } 2175 } 2176 2177 removeInFlightRequestIfReadyLocked(idx); 2178 } // scope for mInFlightLock 2179 2180 if (result->input_buffer != NULL) { 2181 if (hasInputBufferInRequest) { 2182 Camera3Stream *stream = 2183 Camera3Stream::cast(result->input_buffer->stream); 2184 res = stream->returnInputBuffer(*(result->input_buffer)); 2185 // Note: stream may be deallocated at this point, if this buffer was the 2186 // last reference to it. 2187 if (res != OK) { 2188 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 2189 " its stream:%s (%d)", __FUNCTION__, 2190 frameNumber, strerror(-res), res); 2191 } 2192 } else { 2193 ALOGW("%s: Input buffer should be NULL if there is no input" 2194 " buffer sent in the request, skipping input buffer return.", 2195 __FUNCTION__); 2196 } 2197 } 2198 } 2199 2200 void Camera3Device::notify(const camera3_notify_msg *msg) { 2201 ATRACE_CALL(); 2202 NotificationListener *listener; 2203 { 2204 Mutex::Autolock l(mOutputLock); 2205 listener = mListener; 2206 } 2207 2208 if (msg == NULL) { 2209 SET_ERR("HAL sent NULL notify message!"); 2210 return; 2211 } 2212 2213 switch (msg->type) { 2214 case CAMERA3_MSG_ERROR: { 2215 notifyError(msg->message.error, listener); 2216 break; 2217 } 2218 case CAMERA3_MSG_SHUTTER: { 2219 notifyShutter(msg->message.shutter, listener); 2220 break; 2221 } 2222 default: 2223 SET_ERR("Unknown notify message from HAL: %d", 2224 msg->type); 2225 } 2226 } 2227 2228 void Camera3Device::notifyError(const camera3_error_msg_t &msg, 2229 NotificationListener *listener) { 2230 2231 // Map camera HAL error codes to ICameraDeviceCallback error codes 2232 // Index into this with the HAL error code 2233 static const ICameraDeviceCallbacks::CameraErrorCode 2234 halErrorMap[CAMERA3_MSG_NUM_ERRORS] = { 2235 // 0 = Unused error code 2236 ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR, 2237 // 1 = CAMERA3_MSG_ERROR_DEVICE 2238 ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 2239 // 2 = CAMERA3_MSG_ERROR_REQUEST 2240 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2241 // 3 = CAMERA3_MSG_ERROR_RESULT 2242 ICameraDeviceCallbacks::ERROR_CAMERA_RESULT, 2243 // 4 = CAMERA3_MSG_ERROR_BUFFER 2244 ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER 2245 }; 2246 2247 ICameraDeviceCallbacks::CameraErrorCode errorCode = 2248 ((msg.error_code >= 0) && 2249 (msg.error_code < CAMERA3_MSG_NUM_ERRORS)) ? 2250 halErrorMap[msg.error_code] : 2251 ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR; 2252 2253 int streamId = 0; 2254 if (msg.error_stream != NULL) { 2255 Camera3Stream *stream = 2256 Camera3Stream::cast(msg.error_stream); 2257 streamId = stream->getId(); 2258 } 2259 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 2260 mId, __FUNCTION__, msg.frame_number, 2261 streamId, msg.error_code); 2262 2263 CaptureResultExtras resultExtras; 2264 switch (errorCode) { 2265 case ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE: 2266 // SET_ERR calls notifyError 2267 SET_ERR("Camera HAL reported serious device error"); 2268 break; 2269 case ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST: 2270 case ICameraDeviceCallbacks::ERROR_CAMERA_RESULT: 2271 case ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER: 2272 { 2273 Mutex::Autolock l(mInFlightLock); 2274 ssize_t idx = mInFlightMap.indexOfKey(msg.frame_number); 2275 if (idx >= 0) { 2276 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2277 r.requestStatus = msg.error_code; 2278 resultExtras = r.resultExtras; 2279 } else { 2280 resultExtras.frameNumber = msg.frame_number; 2281 ALOGE("Camera %d: %s: cannot find in-flight request on " 2282 "frame %" PRId64 " error", mId, __FUNCTION__, 2283 resultExtras.frameNumber); 2284 } 2285 } 2286 if (listener != NULL) { 2287 listener->notifyError(errorCode, resultExtras); 2288 } else { 2289 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 2290 } 2291 break; 2292 default: 2293 // SET_ERR calls notifyError 2294 SET_ERR("Unknown error message from HAL: %d", msg.error_code); 2295 break; 2296 } 2297 } 2298 2299 void Camera3Device::notifyShutter(const camera3_shutter_msg_t &msg, 2300 NotificationListener *listener) { 2301 ssize_t idx; 2302 // Verify ordering of shutter notifications 2303 { 2304 Mutex::Autolock l(mOutputLock); 2305 // TODO: need to track errors for tighter bounds on expected frame number. 2306 if (msg.frame_number < mNextShutterFrameNumber) { 2307 SET_ERR("Shutter notification out-of-order. Expected " 2308 "notification for frame %d, got frame %d", 2309 mNextShutterFrameNumber, msg.frame_number); 2310 return; 2311 } 2312 mNextShutterFrameNumber = msg.frame_number + 1; 2313 } 2314 2315 // Set timestamp for the request in the in-flight tracking 2316 // and get the request ID to send upstream 2317 { 2318 Mutex::Autolock l(mInFlightLock); 2319 idx = mInFlightMap.indexOfKey(msg.frame_number); 2320 if (idx >= 0) { 2321 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2322 2323 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2324 mId, __FUNCTION__, 2325 msg.frame_number, r.resultExtras.requestId, msg.timestamp); 2326 // Call listener, if any 2327 if (listener != NULL) { 2328 listener->notifyShutter(r.resultExtras, msg.timestamp); 2329 } 2330 2331 r.shutterTimestamp = msg.timestamp; 2332 2333 // send pending result and buffers 2334 sendCaptureResult(r.pendingMetadata, r.resultExtras, 2335 r.partialResult.collectedResult, msg.frame_number); 2336 returnOutputBuffers(r.pendingOutputBuffers.array(), 2337 r.pendingOutputBuffers.size(), r.shutterTimestamp); 2338 r.pendingOutputBuffers.clear(); 2339 2340 removeInFlightRequestIfReadyLocked(idx); 2341 } 2342 } 2343 if (idx < 0) { 2344 SET_ERR("Shutter notification for non-existent frame number %d", 2345 msg.frame_number); 2346 } 2347 } 2348 2349 2350 CameraMetadata Camera3Device::getLatestRequestLocked() { 2351 ALOGV("%s", __FUNCTION__); 2352 2353 CameraMetadata retVal; 2354 2355 if (mRequestThread != NULL) { 2356 retVal = mRequestThread->getLatestRequest(); 2357 } 2358 2359 return retVal; 2360 } 2361 2362 2363 /** 2364 * RequestThread inner class methods 2365 */ 2366 2367 Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2368 sp<StatusTracker> statusTracker, 2369 camera3_device_t *hal3Device) : 2370 Thread(false), 2371 mParent(parent), 2372 mStatusTracker(statusTracker), 2373 mHal3Device(hal3Device), 2374 mId(getId(parent)), 2375 mReconfigured(false), 2376 mDoPause(false), 2377 mPaused(true), 2378 mFrameNumber(0), 2379 mLatestRequestId(NAME_NOT_FOUND), 2380 mCurrentAfTriggerId(0), 2381 mCurrentPreCaptureTriggerId(0), 2382 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2383 mStatusId = statusTracker->addComponent(); 2384 } 2385 2386 void Camera3Device::RequestThread::setNotifyCallback( 2387 NotificationListener *listener) { 2388 Mutex::Autolock l(mRequestLock); 2389 mListener = listener; 2390 } 2391 2392 void Camera3Device::RequestThread::configurationComplete() { 2393 Mutex::Autolock l(mRequestLock); 2394 mReconfigured = true; 2395 } 2396 2397 status_t Camera3Device::RequestThread::queueRequestList( 2398 List<sp<CaptureRequest> > &requests, 2399 /*out*/ 2400 int64_t *lastFrameNumber) { 2401 Mutex::Autolock l(mRequestLock); 2402 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2403 ++it) { 2404 mRequestQueue.push_back(*it); 2405 } 2406 2407 if (lastFrameNumber != NULL) { 2408 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2409 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2410 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2411 *lastFrameNumber); 2412 } 2413 2414 unpauseForNewRequests(); 2415 2416 return OK; 2417 } 2418 2419 2420 status_t Camera3Device::RequestThread::queueTrigger( 2421 RequestTrigger trigger[], 2422 size_t count) { 2423 2424 Mutex::Autolock l(mTriggerMutex); 2425 status_t ret; 2426 2427 for (size_t i = 0; i < count; ++i) { 2428 ret = queueTriggerLocked(trigger[i]); 2429 2430 if (ret != OK) { 2431 return ret; 2432 } 2433 } 2434 2435 return OK; 2436 } 2437 2438 int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2439 sp<Camera3Device> d = device.promote(); 2440 if (d != NULL) return d->mId; 2441 return 0; 2442 } 2443 2444 status_t Camera3Device::RequestThread::queueTriggerLocked( 2445 RequestTrigger trigger) { 2446 2447 uint32_t tag = trigger.metadataTag; 2448 ssize_t index = mTriggerMap.indexOfKey(tag); 2449 2450 switch (trigger.getTagType()) { 2451 case TYPE_BYTE: 2452 // fall-through 2453 case TYPE_INT32: 2454 break; 2455 default: 2456 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2457 trigger.getTagType()); 2458 return INVALID_OPERATION; 2459 } 2460 2461 /** 2462 * Collect only the latest trigger, since we only have 1 field 2463 * in the request settings per trigger tag, and can't send more than 1 2464 * trigger per request. 2465 */ 2466 if (index != NAME_NOT_FOUND) { 2467 mTriggerMap.editValueAt(index) = trigger; 2468 } else { 2469 mTriggerMap.add(tag, trigger); 2470 } 2471 2472 return OK; 2473 } 2474 2475 status_t Camera3Device::RequestThread::setRepeatingRequests( 2476 const RequestList &requests, 2477 /*out*/ 2478 int64_t *lastFrameNumber) { 2479 Mutex::Autolock l(mRequestLock); 2480 if (lastFrameNumber != NULL) { 2481 *lastFrameNumber = mRepeatingLastFrameNumber; 2482 } 2483 mRepeatingRequests.clear(); 2484 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2485 requests.begin(), requests.end()); 2486 2487 unpauseForNewRequests(); 2488 2489 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2490 return OK; 2491 } 2492 2493 bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2494 if (mRepeatingRequests.empty()) { 2495 return false; 2496 } 2497 int32_t requestId = requestIn->mResultExtras.requestId; 2498 const RequestList &repeatRequests = mRepeatingRequests; 2499 // All repeating requests are guaranteed to have same id so only check first quest 2500 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2501 return (firstRequest->mResultExtras.requestId == requestId); 2502 } 2503 2504 status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2505 Mutex::Autolock l(mRequestLock); 2506 mRepeatingRequests.clear(); 2507 if (lastFrameNumber != NULL) { 2508 *lastFrameNumber = mRepeatingLastFrameNumber; 2509 } 2510 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2511 return OK; 2512 } 2513 2514 status_t Camera3Device::RequestThread::clear( 2515 NotificationListener *listener, 2516 /*out*/int64_t *lastFrameNumber) { 2517 Mutex::Autolock l(mRequestLock); 2518 ALOGV("RequestThread::%s:", __FUNCTION__); 2519 2520 mRepeatingRequests.clear(); 2521 2522 // Send errors for all requests pending in the request queue, including 2523 // pending repeating requests 2524 if (listener != NULL) { 2525 for (RequestList::iterator it = mRequestQueue.begin(); 2526 it != mRequestQueue.end(); ++it) { 2527 // Set the frame number this request would have had, if it 2528 // had been submitted; this frame number will not be reused. 2529 // The requestId and burstId fields were set when the request was 2530 // submitted originally (in convertMetadataListToRequestListLocked) 2531 (*it)->mResultExtras.frameNumber = mFrameNumber++; 2532 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2533 (*it)->mResultExtras); 2534 } 2535 } 2536 mRequestQueue.clear(); 2537 mTriggerMap.clear(); 2538 if (lastFrameNumber != NULL) { 2539 *lastFrameNumber = mRepeatingLastFrameNumber; 2540 } 2541 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2542 return OK; 2543 } 2544 2545 void Camera3Device::RequestThread::setPaused(bool paused) { 2546 Mutex::Autolock l(mPauseLock); 2547 mDoPause = paused; 2548 mDoPauseSignal.signal(); 2549 } 2550 2551 status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2552 int32_t requestId, nsecs_t timeout) { 2553 Mutex::Autolock l(mLatestRequestMutex); 2554 status_t res; 2555 while (mLatestRequestId != requestId) { 2556 nsecs_t startTime = systemTime(); 2557 2558 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2559 if (res != OK) return res; 2560 2561 timeout -= (systemTime() - startTime); 2562 } 2563 2564 return OK; 2565 } 2566 2567 void Camera3Device::RequestThread::requestExit() { 2568 // Call parent to set up shutdown 2569 Thread::requestExit(); 2570 // The exit from any possible waits 2571 mDoPauseSignal.signal(); 2572 mRequestSignal.signal(); 2573 } 2574 2575 bool Camera3Device::RequestThread::threadLoop() { 2576 2577 status_t res; 2578 2579 // Handle paused state. 2580 if (waitIfPaused()) { 2581 return true; 2582 } 2583 2584 // Get work to do 2585 2586 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2587 if (nextRequest == NULL) { 2588 return true; 2589 } 2590 2591 // Create request to HAL 2592 camera3_capture_request_t request = camera3_capture_request_t(); 2593 request.frame_number = nextRequest->mResultExtras.frameNumber; 2594 Vector<camera3_stream_buffer_t> outputBuffers; 2595 2596 // Get the request ID, if any 2597 int requestId; 2598 camera_metadata_entry_t requestIdEntry = 2599 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2600 if (requestIdEntry.count > 0) { 2601 requestId = requestIdEntry.data.i32[0]; 2602 } else { 2603 ALOGW("%s: Did not have android.request.id set in the request", 2604 __FUNCTION__); 2605 requestId = NAME_NOT_FOUND; 2606 } 2607 2608 // Insert any queued triggers (before metadata is locked) 2609 int32_t triggerCount; 2610 res = insertTriggers(nextRequest); 2611 if (res < 0) { 2612 SET_ERR("RequestThread: Unable to insert triggers " 2613 "(capture request %d, HAL device: %s (%d)", 2614 request.frame_number, strerror(-res), res); 2615 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2616 return false; 2617 } 2618 triggerCount = res; 2619 2620 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2621 2622 // If the request is the same as last, or we had triggers last time 2623 if (mPrevRequest != nextRequest || triggersMixedIn) { 2624 /** 2625 * HAL workaround: 2626 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2627 */ 2628 res = addDummyTriggerIds(nextRequest); 2629 if (res != OK) { 2630 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2631 "(capture request %d, HAL device: %s (%d)", 2632 request.frame_number, strerror(-res), res); 2633 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2634 return false; 2635 } 2636 2637 /** 2638 * The request should be presorted so accesses in HAL 2639 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2640 */ 2641 nextRequest->mSettings.sort(); 2642 request.settings = nextRequest->mSettings.getAndLock(); 2643 mPrevRequest = nextRequest; 2644 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2645 2646 IF_ALOGV() { 2647 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2648 find_camera_metadata_ro_entry( 2649 request.settings, 2650 ANDROID_CONTROL_AF_TRIGGER, 2651 &e 2652 ); 2653 if (e.count > 0) { 2654 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2655 __FUNCTION__, 2656 request.frame_number, 2657 e.data.u8[0]); 2658 } 2659 } 2660 } else { 2661 // leave request.settings NULL to indicate 'reuse latest given' 2662 ALOGVV("%s: Request settings are REUSED", 2663 __FUNCTION__); 2664 } 2665 2666 camera3_stream_buffer_t inputBuffer; 2667 uint32_t totalNumBuffers = 0; 2668 2669 // Fill in buffers 2670 2671 if (nextRequest->mInputStream != NULL) { 2672 request.input_buffer = &inputBuffer; 2673 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2674 if (res != OK) { 2675 // Can't get input buffer from gralloc queue - this could be due to 2676 // disconnected queue or other producer misbehavior, so not a fatal 2677 // error 2678 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2679 " %s (%d)", strerror(-res), res); 2680 Mutex::Autolock l(mRequestLock); 2681 if (mListener != NULL) { 2682 mListener->notifyError( 2683 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2684 nextRequest->mResultExtras); 2685 } 2686 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2687 return true; 2688 } 2689 totalNumBuffers += 1; 2690 } else { 2691 request.input_buffer = NULL; 2692 } 2693 2694 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2695 nextRequest->mOutputStreams.size()); 2696 request.output_buffers = outputBuffers.array(); 2697 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2698 res = nextRequest->mOutputStreams.editItemAt(i)-> 2699 getBuffer(&outputBuffers.editItemAt(i)); 2700 if (res != OK) { 2701 // Can't get output buffer from gralloc queue - this could be due to 2702 // abandoned queue or other consumer misbehavior, so not a fatal 2703 // error 2704 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2705 " %s (%d)", strerror(-res), res); 2706 Mutex::Autolock l(mRequestLock); 2707 if (mListener != NULL) { 2708 mListener->notifyError( 2709 ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST, 2710 nextRequest->mResultExtras); 2711 } 2712 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2713 return true; 2714 } 2715 request.num_output_buffers++; 2716 } 2717 totalNumBuffers += request.num_output_buffers; 2718 2719 // Log request in the in-flight queue 2720 sp<Camera3Device> parent = mParent.promote(); 2721 if (parent == NULL) { 2722 // Should not happen, and nowhere to send errors to, so just log it 2723 CLOGE("RequestThread: Parent is gone"); 2724 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2725 return false; 2726 } 2727 2728 res = parent->registerInFlight(request.frame_number, 2729 totalNumBuffers, nextRequest->mResultExtras, 2730 /*hasInput*/request.input_buffer != NULL); 2731 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2732 ", burstId = %" PRId32 ".", 2733 __FUNCTION__, 2734 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2735 nextRequest->mResultExtras.burstId); 2736 if (res != OK) { 2737 SET_ERR("RequestThread: Unable to register new in-flight request:" 2738 " %s (%d)", strerror(-res), res); 2739 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2740 return false; 2741 } 2742 2743 // Inform waitUntilRequestProcessed thread of a new request ID 2744 { 2745 Mutex::Autolock al(mLatestRequestMutex); 2746 2747 mLatestRequestId = requestId; 2748 mLatestRequestSignal.signal(); 2749 } 2750 2751 // Submit request and block until ready for next one 2752 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2753 ATRACE_BEGIN("camera3->process_capture_request"); 2754 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2755 ATRACE_END(); 2756 2757 if (res != OK) { 2758 // Should only get a failure here for malformed requests or device-level 2759 // errors, so consider all errors fatal. Bad metadata failures should 2760 // come through notify. 2761 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2762 " device: %s (%d)", request.frame_number, strerror(-res), res); 2763 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2764 return false; 2765 } 2766 2767 // Update the latest request sent to HAL 2768 if (request.settings != NULL) { // Don't update them if they were unchanged 2769 Mutex::Autolock al(mLatestRequestMutex); 2770 2771 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2772 mLatestRequest.acquire(cloned); 2773 } 2774 2775 if (request.settings != NULL) { 2776 nextRequest->mSettings.unlock(request.settings); 2777 } 2778 2779 // Remove any previously queued triggers (after unlock) 2780 res = removeTriggers(mPrevRequest); 2781 if (res != OK) { 2782 SET_ERR("RequestThread: Unable to remove triggers " 2783 "(capture request %d, HAL device: %s (%d)", 2784 request.frame_number, strerror(-res), res); 2785 return false; 2786 } 2787 mPrevTriggers = triggerCount; 2788 2789 return true; 2790 } 2791 2792 CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2793 Mutex::Autolock al(mLatestRequestMutex); 2794 2795 ALOGV("RequestThread::%s", __FUNCTION__); 2796 2797 return mLatestRequest; 2798 } 2799 2800 2801 void Camera3Device::RequestThread::cleanUpFailedRequest( 2802 camera3_capture_request_t &request, 2803 sp<CaptureRequest> &nextRequest, 2804 Vector<camera3_stream_buffer_t> &outputBuffers) { 2805 2806 if (request.settings != NULL) { 2807 nextRequest->mSettings.unlock(request.settings); 2808 } 2809 if (request.input_buffer != NULL) { 2810 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2811 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2812 } 2813 for (size_t i = 0; i < request.num_output_buffers; i++) { 2814 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2815 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2816 outputBuffers[i], 0); 2817 } 2818 } 2819 2820 sp<Camera3Device::CaptureRequest> 2821 Camera3Device::RequestThread::waitForNextRequest() { 2822 status_t res; 2823 sp<CaptureRequest> nextRequest; 2824 2825 // Optimized a bit for the simple steady-state case (single repeating 2826 // request), to avoid putting that request in the queue temporarily. 2827 Mutex::Autolock l(mRequestLock); 2828 2829 while (mRequestQueue.empty()) { 2830 if (!mRepeatingRequests.empty()) { 2831 // Always atomically enqueue all requests in a repeating request 2832 // list. Guarantees a complete in-sequence set of captures to 2833 // application. 2834 const RequestList &requests = mRepeatingRequests; 2835 RequestList::const_iterator firstRequest = 2836 requests.begin(); 2837 nextRequest = *firstRequest; 2838 mRequestQueue.insert(mRequestQueue.end(), 2839 ++firstRequest, 2840 requests.end()); 2841 // No need to wait any longer 2842 2843 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2844 2845 break; 2846 } 2847 2848 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2849 2850 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2851 exitPending()) { 2852 Mutex::Autolock pl(mPauseLock); 2853 if (mPaused == false) { 2854 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2855 mPaused = true; 2856 // Let the tracker know 2857 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2858 if (statusTracker != 0) { 2859 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2860 } 2861 } 2862 // Stop waiting for now and let thread management happen 2863 return NULL; 2864 } 2865 } 2866 2867 if (nextRequest == NULL) { 2868 // Don't have a repeating request already in hand, so queue 2869 // must have an entry now. 2870 RequestList::iterator firstRequest = 2871 mRequestQueue.begin(); 2872 nextRequest = *firstRequest; 2873 mRequestQueue.erase(firstRequest); 2874 } 2875 2876 // In case we've been unpaused by setPaused clearing mDoPause, need to 2877 // update internal pause state (capture/setRepeatingRequest unpause 2878 // directly). 2879 Mutex::Autolock pl(mPauseLock); 2880 if (mPaused) { 2881 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2882 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2883 if (statusTracker != 0) { 2884 statusTracker->markComponentActive(mStatusId); 2885 } 2886 } 2887 mPaused = false; 2888 2889 // Check if we've reconfigured since last time, and reset the preview 2890 // request if so. Can't use 'NULL request == repeat' across configure calls. 2891 if (mReconfigured) { 2892 mPrevRequest.clear(); 2893 mReconfigured = false; 2894 } 2895 2896 if (nextRequest != NULL) { 2897 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2898 nextRequest->mResultExtras.afTriggerId = mCurrentAfTriggerId; 2899 nextRequest->mResultExtras.precaptureTriggerId = mCurrentPreCaptureTriggerId; 2900 } 2901 return nextRequest; 2902 } 2903 2904 bool Camera3Device::RequestThread::waitIfPaused() { 2905 status_t res; 2906 Mutex::Autolock l(mPauseLock); 2907 while (mDoPause) { 2908 if (mPaused == false) { 2909 mPaused = true; 2910 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2911 // Let the tracker know 2912 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2913 if (statusTracker != 0) { 2914 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2915 } 2916 } 2917 2918 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2919 if (res == TIMED_OUT || exitPending()) { 2920 return true; 2921 } 2922 } 2923 // We don't set mPaused to false here, because waitForNextRequest needs 2924 // to further manage the paused state in case of starvation. 2925 return false; 2926 } 2927 2928 void Camera3Device::RequestThread::unpauseForNewRequests() { 2929 // With work to do, mark thread as unpaused. 2930 // If paused by request (setPaused), don't resume, to avoid 2931 // extra signaling/waiting overhead to waitUntilPaused 2932 mRequestSignal.signal(); 2933 Mutex::Autolock p(mPauseLock); 2934 if (!mDoPause) { 2935 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2936 if (mPaused) { 2937 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2938 if (statusTracker != 0) { 2939 statusTracker->markComponentActive(mStatusId); 2940 } 2941 } 2942 mPaused = false; 2943 } 2944 } 2945 2946 void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2947 sp<Camera3Device> parent = mParent.promote(); 2948 if (parent != NULL) { 2949 va_list args; 2950 va_start(args, fmt); 2951 2952 parent->setErrorStateV(fmt, args); 2953 2954 va_end(args); 2955 } 2956 } 2957 2958 status_t Camera3Device::RequestThread::insertTriggers( 2959 const sp<CaptureRequest> &request) { 2960 2961 Mutex::Autolock al(mTriggerMutex); 2962 2963 sp<Camera3Device> parent = mParent.promote(); 2964 if (parent == NULL) { 2965 CLOGE("RequestThread: Parent is gone"); 2966 return DEAD_OBJECT; 2967 } 2968 2969 CameraMetadata &metadata = request->mSettings; 2970 size_t count = mTriggerMap.size(); 2971 2972 for (size_t i = 0; i < count; ++i) { 2973 RequestTrigger trigger = mTriggerMap.valueAt(i); 2974 uint32_t tag = trigger.metadataTag; 2975 2976 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2977 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2978 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2979 if (isAeTrigger) { 2980 request->mResultExtras.precaptureTriggerId = triggerId; 2981 mCurrentPreCaptureTriggerId = triggerId; 2982 } else { 2983 request->mResultExtras.afTriggerId = triggerId; 2984 mCurrentAfTriggerId = triggerId; 2985 } 2986 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2987 continue; // Trigger ID tag is deprecated since device HAL 3.2 2988 } 2989 } 2990 2991 camera_metadata_entry entry = metadata.find(tag); 2992 2993 if (entry.count > 0) { 2994 /** 2995 * Already has an entry for this trigger in the request. 2996 * Rewrite it with our requested trigger value. 2997 */ 2998 RequestTrigger oldTrigger = trigger; 2999 3000 oldTrigger.entryValue = entry.data.u8[0]; 3001 3002 mTriggerReplacedMap.add(tag, oldTrigger); 3003 } else { 3004 /** 3005 * More typical, no trigger entry, so we just add it 3006 */ 3007 mTriggerRemovedMap.add(tag, trigger); 3008 } 3009 3010 status_t res; 3011 3012 switch (trigger.getTagType()) { 3013 case TYPE_BYTE: { 3014 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 3015 res = metadata.update(tag, 3016 &entryValue, 3017 /*count*/1); 3018 break; 3019 } 3020 case TYPE_INT32: 3021 res = metadata.update(tag, 3022 &trigger.entryValue, 3023 /*count*/1); 3024 break; 3025 default: 3026 ALOGE("%s: Type not supported: 0x%x", 3027 __FUNCTION__, 3028 trigger.getTagType()); 3029 return INVALID_OPERATION; 3030 } 3031 3032 if (res != OK) { 3033 ALOGE("%s: Failed to update request metadata with trigger tag %s" 3034 ", value %d", __FUNCTION__, trigger.getTagName(), 3035 trigger.entryValue); 3036 return res; 3037 } 3038 3039 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 3040 trigger.getTagName(), 3041 trigger.entryValue); 3042 } 3043 3044 mTriggerMap.clear(); 3045 3046 return count; 3047 } 3048 3049 status_t Camera3Device::RequestThread::removeTriggers( 3050 const sp<CaptureRequest> &request) { 3051 Mutex::Autolock al(mTriggerMutex); 3052 3053 CameraMetadata &metadata = request->mSettings; 3054 3055 /** 3056 * Replace all old entries with their old values. 3057 */ 3058 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 3059 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 3060 3061 status_t res; 3062 3063 uint32_t tag = trigger.metadataTag; 3064 switch (trigger.getTagType()) { 3065 case TYPE_BYTE: { 3066 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 3067 res = metadata.update(tag, 3068 &entryValue, 3069 /*count*/1); 3070 break; 3071 } 3072 case TYPE_INT32: 3073 res = metadata.update(tag, 3074 &trigger.entryValue, 3075 /*count*/1); 3076 break; 3077 default: 3078 ALOGE("%s: Type not supported: 0x%x", 3079 __FUNCTION__, 3080 trigger.getTagType()); 3081 return INVALID_OPERATION; 3082 } 3083 3084 if (res != OK) { 3085 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 3086 ", trigger value %d", __FUNCTION__, 3087 trigger.getTagName(), trigger.entryValue); 3088 return res; 3089 } 3090 } 3091 mTriggerReplacedMap.clear(); 3092 3093 /** 3094 * Remove all new entries. 3095 */ 3096 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 3097 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 3098 status_t res = metadata.erase(trigger.metadataTag); 3099 3100 if (res != OK) { 3101 ALOGE("%s: Failed to erase metadata with trigger tag %s" 3102 ", trigger value %d", __FUNCTION__, 3103 trigger.getTagName(), trigger.entryValue); 3104 return res; 3105 } 3106 } 3107 mTriggerRemovedMap.clear(); 3108 3109 return OK; 3110 } 3111 3112 status_t Camera3Device::RequestThread::addDummyTriggerIds( 3113 const sp<CaptureRequest> &request) { 3114 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 3115 static const int32_t dummyTriggerId = 1; 3116 status_t res; 3117 3118 CameraMetadata &metadata = request->mSettings; 3119 3120 // If AF trigger is active, insert a dummy AF trigger ID if none already 3121 // exists 3122 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 3123 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 3124 if (afTrigger.count > 0 && 3125 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 3126 afId.count == 0) { 3127 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 3128 if (res != OK) return res; 3129 } 3130 3131 // If AE precapture trigger is active, insert a dummy precapture trigger ID 3132 // if none already exists 3133 camera_metadata_entry pcTrigger = 3134 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 3135 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 3136 if (pcTrigger.count > 0 && 3137 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 3138 pcId.count == 0) { 3139 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 3140 &dummyTriggerId, 1); 3141 if (res != OK) return res; 3142 } 3143 3144 return OK; 3145 } 3146 3147 3148 /** 3149 * Static callback forwarding methods from HAL to instance 3150 */ 3151 3152 void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 3153 const camera3_capture_result *result) { 3154 Camera3Device *d = 3155 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 3156 d->processCaptureResult(result); 3157 } 3158 3159 void Camera3Device::sNotify(const camera3_callback_ops *cb, 3160 const camera3_notify_msg *msg) { 3161 Camera3Device *d = 3162 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 3163 d->notify(msg); 3164 } 3165 3166 }; // namespace android 3167
