Camera3Device.cpp revision e2d167eb689d7a536805f950c31f11b9e9c578ae
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 "CameraService.h" 52 53using namespace android::camera3; 54 55namespace android { 56 57Camera3Device::Camera3Device(int id): 58 mId(id), 59 mHal3Device(NULL), 60 mStatus(STATUS_UNINITIALIZED), 61 mUsePartialResult(false), 62 mNumPartialResults(1), 63 mNextResultFrameNumber(0), 64 mNextShutterFrameNumber(0), 65 mListener(NULL) 66{ 67 ATRACE_CALL(); 68 camera3_callback_ops::notify = &sNotify; 69 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 70 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 71} 72 73Camera3Device::~Camera3Device() 74{ 75 ATRACE_CALL(); 76 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 77 disconnect(); 78} 79 80int Camera3Device::getId() const { 81 return mId; 82} 83 84/** 85 * CameraDeviceBase interface 86 */ 87 88status_t Camera3Device::initialize(camera_module_t *module) 89{ 90 ATRACE_CALL(); 91 Mutex::Autolock il(mInterfaceLock); 92 Mutex::Autolock l(mLock); 93 94 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 95 if (mStatus != STATUS_UNINITIALIZED) { 96 CLOGE("Already initialized!"); 97 return INVALID_OPERATION; 98 } 99 100 /** Open HAL device */ 101 102 status_t res; 103 String8 deviceName = String8::format("%d", mId); 104 105 camera3_device_t *device; 106 107 ATRACE_BEGIN("camera3->open"); 108 res = CameraService::filterOpenErrorCode(module->common.methods->open( 109 &module->common, deviceName.string(), 110 reinterpret_cast<hw_device_t**>(&device))); 111 ATRACE_END(); 112 113 if (res != OK) { 114 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 115 return res; 116 } 117 118 /** Cross-check device version */ 119 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 120 SET_ERR_L("Could not open camera: " 121 "Camera device should be at least %x, reports %x instead", 122 CAMERA_DEVICE_API_VERSION_3_0, 123 device->common.version); 124 device->common.close(&device->common); 125 return BAD_VALUE; 126 } 127 128 camera_info info; 129 res = CameraService::filterGetInfoErrorCode(module->get_camera_info( 130 mId, &info)); 131 if (res != OK) return res; 132 133 if (info.device_version != device->common.version) { 134 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 135 " and device version (%x).", 136 info.device_version, device->common.version); 137 device->common.close(&device->common); 138 return BAD_VALUE; 139 } 140 141 /** Initialize device with callback functions */ 142 143 ATRACE_BEGIN("camera3->initialize"); 144 res = device->ops->initialize(device, this); 145 ATRACE_END(); 146 147 if (res != OK) { 148 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 149 strerror(-res), res); 150 device->common.close(&device->common); 151 return BAD_VALUE; 152 } 153 154 /** Start up status tracker thread */ 155 mStatusTracker = new StatusTracker(this); 156 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 157 if (res != OK) { 158 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 159 strerror(-res), res); 160 device->common.close(&device->common); 161 mStatusTracker.clear(); 162 return res; 163 } 164 165 /** Start up request queue thread */ 166 167 mRequestThread = new RequestThread(this, mStatusTracker, device); 168 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 169 if (res != OK) { 170 SET_ERR_L("Unable to start request queue thread: %s (%d)", 171 strerror(-res), res); 172 device->common.close(&device->common); 173 mRequestThread.clear(); 174 return res; 175 } 176 177 /** Everything is good to go */ 178 179 mDeviceVersion = device->common.version; 180 mDeviceInfo = info.static_camera_characteristics; 181 mHal3Device = device; 182 mStatus = STATUS_UNCONFIGURED; 183 mNextStreamId = 0; 184 mNeedConfig = true; 185 mPauseStateNotify = false; 186 187 // Will the HAL be sending in early partial result metadata? 188 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 189 camera_metadata_entry partialResultsCount = 190 mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT); 191 if (partialResultsCount.count > 0) { 192 mNumPartialResults = partialResultsCount.data.i32[0]; 193 mUsePartialResult = (mNumPartialResults > 1); 194 } 195 } else { 196 camera_metadata_entry partialResultsQuirk = 197 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 198 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 199 mUsePartialResult = true; 200 } 201 } 202 203 return OK; 204} 205 206status_t Camera3Device::disconnect() { 207 ATRACE_CALL(); 208 Mutex::Autolock il(mInterfaceLock); 209 210 ALOGV("%s: E", __FUNCTION__); 211 212 status_t res = OK; 213 214 { 215 Mutex::Autolock l(mLock); 216 if (mStatus == STATUS_UNINITIALIZED) return res; 217 218 if (mStatus == STATUS_ACTIVE || 219 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 220 res = mRequestThread->clearRepeatingRequests(); 221 if (res != OK) { 222 SET_ERR_L("Can't stop streaming"); 223 // Continue to close device even in case of error 224 } else { 225 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 226 if (res != OK) { 227 SET_ERR_L("Timeout waiting for HAL to drain"); 228 // Continue to close device even in case of error 229 } 230 } 231 } 232 233 if (mStatus == STATUS_ERROR) { 234 CLOGE("Shutting down in an error state"); 235 } 236 237 if (mStatusTracker != NULL) { 238 mStatusTracker->requestExit(); 239 } 240 241 if (mRequestThread != NULL) { 242 mRequestThread->requestExit(); 243 } 244 245 mOutputStreams.clear(); 246 mInputStream.clear(); 247 } 248 249 // Joining done without holding mLock, otherwise deadlocks may ensue 250 // as the threads try to access parent state 251 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 252 // HAL may be in a bad state, so waiting for request thread 253 // (which may be stuck in the HAL processCaptureRequest call) 254 // could be dangerous. 255 mRequestThread->join(); 256 } 257 258 if (mStatusTracker != NULL) { 259 mStatusTracker->join(); 260 } 261 262 { 263 Mutex::Autolock l(mLock); 264 265 mRequestThread.clear(); 266 mStatusTracker.clear(); 267 268 if (mHal3Device != NULL) { 269 ATRACE_BEGIN("camera3->close"); 270 mHal3Device->common.close(&mHal3Device->common); 271 ATRACE_END(); 272 mHal3Device = NULL; 273 } 274 275 mStatus = STATUS_UNINITIALIZED; 276 } 277 278 ALOGV("%s: X", __FUNCTION__); 279 return res; 280} 281 282// For dumping/debugging only - 283// try to acquire a lock a few times, eventually give up to proceed with 284// debug/dump operations 285bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 286 bool gotLock = false; 287 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 288 if (lock.tryLock() == NO_ERROR) { 289 gotLock = true; 290 break; 291 } else { 292 usleep(kDumpSleepDuration); 293 } 294 } 295 return gotLock; 296} 297 298Camera3Device::Size Camera3Device::getMaxJpegResolution() const { 299 int32_t maxJpegWidth = 0, maxJpegHeight = 0; 300 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 301 const int STREAM_CONFIGURATION_SIZE = 4; 302 const int STREAM_FORMAT_OFFSET = 0; 303 const int STREAM_WIDTH_OFFSET = 1; 304 const int STREAM_HEIGHT_OFFSET = 2; 305 const int STREAM_IS_INPUT_OFFSET = 3; 306 camera_metadata_ro_entry_t availableStreamConfigs = 307 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 308 if (availableStreamConfigs.count == 0 || 309 availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) { 310 return Size(0, 0); 311 } 312 313 // Get max jpeg size (area-wise). 314 for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 315 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 316 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 317 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 318 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 319 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT 320 && format == HAL_PIXEL_FORMAT_BLOB && 321 (width * height > maxJpegWidth * maxJpegHeight)) { 322 maxJpegWidth = width; 323 maxJpegHeight = height; 324 } 325 } 326 } else { 327 camera_metadata_ro_entry availableJpegSizes = 328 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 329 if (availableJpegSizes.count == 0 || availableJpegSizes.count % 2 != 0) { 330 return Size(0, 0); 331 } 332 333 // Get max jpeg size (area-wise). 334 for (size_t i = 0; i < availableJpegSizes.count; i += 2) { 335 if ((availableJpegSizes.data.i32[i] * availableJpegSizes.data.i32[i + 1]) 336 > (maxJpegWidth * maxJpegHeight)) { 337 maxJpegWidth = availableJpegSizes.data.i32[i]; 338 maxJpegHeight = availableJpegSizes.data.i32[i + 1]; 339 } 340 } 341 } 342 return Size(maxJpegWidth, maxJpegHeight); 343} 344 345ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const { 346 // Get max jpeg size (area-wise). 347 Size maxJpegResolution = getMaxJpegResolution(); 348 if (maxJpegResolution.width == 0) { 349 ALOGE("%s: Camera %d: Can't find find valid available jpeg sizes in static metadata!", 350 __FUNCTION__, mId); 351 return BAD_VALUE; 352 } 353 354 // Get max jpeg buffer size 355 ssize_t maxJpegBufferSize = 0; 356 camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE); 357 if (jpegBufMaxSize.count == 0) { 358 ALOGE("%s: Camera %d: Can't find maximum JPEG size in static metadata!", __FUNCTION__, mId); 359 return BAD_VALUE; 360 } 361 maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; 362 363 // Calculate final jpeg buffer size for the given resolution. 364 float scaleFactor = ((float) (width * height)) / 365 (maxJpegResolution.width * maxJpegResolution.height); 366 ssize_t jpegBufferSize = scaleFactor * maxJpegBufferSize; 367 // Bound the buffer size to [MIN_JPEG_BUFFER_SIZE, maxJpegBufferSize]. 368 if (jpegBufferSize > maxJpegBufferSize) { 369 jpegBufferSize = maxJpegBufferSize; 370 } else if (jpegBufferSize < kMinJpegBufferSize) { 371 jpegBufferSize = kMinJpegBufferSize; 372 } 373 374 return jpegBufferSize; 375} 376 377status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 378 ATRACE_CALL(); 379 (void)args; 380 381 // Try to lock, but continue in case of failure (to avoid blocking in 382 // deadlocks) 383 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 384 bool gotLock = tryLockSpinRightRound(mLock); 385 386 ALOGW_IF(!gotInterfaceLock, 387 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 388 mId, __FUNCTION__); 389 ALOGW_IF(!gotLock, 390 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 391 mId, __FUNCTION__); 392 393 String8 lines; 394 395 const char *status = 396 mStatus == STATUS_ERROR ? "ERROR" : 397 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 398 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 399 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 400 mStatus == STATUS_ACTIVE ? "ACTIVE" : 401 "Unknown"; 402 403 lines.appendFormat(" Device status: %s\n", status); 404 if (mStatus == STATUS_ERROR) { 405 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 406 } 407 lines.appendFormat(" Stream configuration:\n"); 408 409 if (mInputStream != NULL) { 410 write(fd, lines.string(), lines.size()); 411 mInputStream->dump(fd, args); 412 } else { 413 lines.appendFormat(" No input stream.\n"); 414 write(fd, lines.string(), lines.size()); 415 } 416 for (size_t i = 0; i < mOutputStreams.size(); i++) { 417 mOutputStreams[i]->dump(fd,args); 418 } 419 420 lines = String8(" In-flight requests:\n"); 421 if (mInFlightMap.size() == 0) { 422 lines.append(" None\n"); 423 } else { 424 for (size_t i = 0; i < mInFlightMap.size(); i++) { 425 InFlightRequest r = mInFlightMap.valueAt(i); 426 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 427 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 428 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 429 r.numBuffersLeft); 430 } 431 } 432 write(fd, lines.string(), lines.size()); 433 434 { 435 lines = String8(" Last request sent:\n"); 436 write(fd, lines.string(), lines.size()); 437 438 CameraMetadata lastRequest = getLatestRequestLocked(); 439 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 440 } 441 442 if (mHal3Device != NULL) { 443 lines = String8(" HAL device dump:\n"); 444 write(fd, lines.string(), lines.size()); 445 mHal3Device->ops->dump(mHal3Device, fd); 446 } 447 448 if (gotLock) mLock.unlock(); 449 if (gotInterfaceLock) mInterfaceLock.unlock(); 450 451 return OK; 452} 453 454const CameraMetadata& Camera3Device::info() const { 455 ALOGVV("%s: E", __FUNCTION__); 456 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 457 mStatus == STATUS_ERROR)) { 458 ALOGW("%s: Access to static info %s!", __FUNCTION__, 459 mStatus == STATUS_ERROR ? 460 "when in error state" : "before init"); 461 } 462 return mDeviceInfo; 463} 464 465status_t Camera3Device::checkStatusOkToCaptureLocked() { 466 switch (mStatus) { 467 case STATUS_ERROR: 468 CLOGE("Device has encountered a serious error"); 469 return INVALID_OPERATION; 470 case STATUS_UNINITIALIZED: 471 CLOGE("Device not initialized"); 472 return INVALID_OPERATION; 473 case STATUS_UNCONFIGURED: 474 case STATUS_CONFIGURED: 475 case STATUS_ACTIVE: 476 // OK 477 break; 478 default: 479 SET_ERR_L("Unexpected status: %d", mStatus); 480 return INVALID_OPERATION; 481 } 482 return OK; 483} 484 485status_t Camera3Device::convertMetadataListToRequestListLocked( 486 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 487 if (requestList == NULL) { 488 CLOGE("requestList cannot be NULL."); 489 return BAD_VALUE; 490 } 491 492 int32_t burstId = 0; 493 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 494 it != metadataList.end(); ++it) { 495 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 496 if (newRequest == 0) { 497 CLOGE("Can't create capture request"); 498 return BAD_VALUE; 499 } 500 501 // Setup burst Id and request Id 502 newRequest->mResultExtras.burstId = burstId++; 503 if (it->exists(ANDROID_REQUEST_ID)) { 504 if (it->find(ANDROID_REQUEST_ID).count == 0) { 505 CLOGE("RequestID entry exists; but must not be empty in metadata"); 506 return BAD_VALUE; 507 } 508 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 509 } else { 510 CLOGE("RequestID does not exist in metadata"); 511 return BAD_VALUE; 512 } 513 514 requestList->push_back(newRequest); 515 516 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 517 } 518 return OK; 519} 520 521status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 522 ATRACE_CALL(); 523 524 List<const CameraMetadata> requests; 525 requests.push_back(request); 526 return captureList(requests, /*lastFrameNumber*/NULL); 527} 528 529status_t Camera3Device::submitRequestsHelper( 530 const List<const CameraMetadata> &requests, bool repeating, 531 /*out*/ 532 int64_t *lastFrameNumber) { 533 ATRACE_CALL(); 534 Mutex::Autolock il(mInterfaceLock); 535 Mutex::Autolock l(mLock); 536 537 status_t res = checkStatusOkToCaptureLocked(); 538 if (res != OK) { 539 // error logged by previous call 540 return res; 541 } 542 543 RequestList requestList; 544 545 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 546 if (res != OK) { 547 // error logged by previous call 548 return res; 549 } 550 551 if (repeating) { 552 res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); 553 } else { 554 res = mRequestThread->queueRequestList(requestList, lastFrameNumber); 555 } 556 557 if (res == OK) { 558 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 559 if (res != OK) { 560 SET_ERR_L("Can't transition to active in %f seconds!", 561 kActiveTimeout/1e9); 562 } 563 ALOGV("Camera %d: Capture request %" PRId32 " enqueued", mId, 564 (*(requestList.begin()))->mResultExtras.requestId); 565 } else { 566 CLOGE("Cannot queue request. Impossible."); 567 return BAD_VALUE; 568 } 569 570 return res; 571} 572 573status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 574 int64_t *lastFrameNumber) { 575 ATRACE_CALL(); 576 577 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 578} 579 580status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 581 int64_t* /*lastFrameNumber*/) { 582 ATRACE_CALL(); 583 584 List<const CameraMetadata> requests; 585 requests.push_back(request); 586 return setStreamingRequestList(requests, /*lastFrameNumber*/NULL); 587} 588 589status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 590 int64_t *lastFrameNumber) { 591 ATRACE_CALL(); 592 593 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 594} 595 596sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 597 const CameraMetadata &request) { 598 status_t res; 599 600 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 601 res = configureStreamsLocked(); 602 if (res != OK) { 603 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 604 return NULL; 605 } 606 if (mStatus == STATUS_UNCONFIGURED) { 607 CLOGE("No streams configured"); 608 return NULL; 609 } 610 } 611 612 sp<CaptureRequest> newRequest = createCaptureRequest(request); 613 return newRequest; 614} 615 616status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 617 ATRACE_CALL(); 618 Mutex::Autolock il(mInterfaceLock); 619 Mutex::Autolock l(mLock); 620 621 switch (mStatus) { 622 case STATUS_ERROR: 623 CLOGE("Device has encountered a serious error"); 624 return INVALID_OPERATION; 625 case STATUS_UNINITIALIZED: 626 CLOGE("Device not initialized"); 627 return INVALID_OPERATION; 628 case STATUS_UNCONFIGURED: 629 case STATUS_CONFIGURED: 630 case STATUS_ACTIVE: 631 // OK 632 break; 633 default: 634 SET_ERR_L("Unexpected status: %d", mStatus); 635 return INVALID_OPERATION; 636 } 637 ALOGV("Camera %d: Clearing repeating request", mId); 638 639 return mRequestThread->clearRepeatingRequests(lastFrameNumber); 640} 641 642status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 643 ATRACE_CALL(); 644 Mutex::Autolock il(mInterfaceLock); 645 646 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 647} 648 649status_t Camera3Device::createInputStream( 650 uint32_t width, uint32_t height, int format, int *id) { 651 ATRACE_CALL(); 652 Mutex::Autolock il(mInterfaceLock); 653 Mutex::Autolock l(mLock); 654 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 655 mId, mNextStreamId, width, height, format); 656 657 status_t res; 658 bool wasActive = false; 659 660 switch (mStatus) { 661 case STATUS_ERROR: 662 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 663 return INVALID_OPERATION; 664 case STATUS_UNINITIALIZED: 665 ALOGE("%s: Device not initialized", __FUNCTION__); 666 return INVALID_OPERATION; 667 case STATUS_UNCONFIGURED: 668 case STATUS_CONFIGURED: 669 // OK 670 break; 671 case STATUS_ACTIVE: 672 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 673 res = internalPauseAndWaitLocked(); 674 if (res != OK) { 675 SET_ERR_L("Can't pause captures to reconfigure streams!"); 676 return res; 677 } 678 wasActive = true; 679 break; 680 default: 681 SET_ERR_L("%s: Unexpected status: %d", mStatus); 682 return INVALID_OPERATION; 683 } 684 assert(mStatus != STATUS_ACTIVE); 685 686 if (mInputStream != 0) { 687 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 688 return INVALID_OPERATION; 689 } 690 691 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 692 width, height, format); 693 newStream->setStatusTracker(mStatusTracker); 694 695 mInputStream = newStream; 696 697 *id = mNextStreamId++; 698 699 // Continue captures if active at start 700 if (wasActive) { 701 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 702 res = configureStreamsLocked(); 703 if (res != OK) { 704 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 705 __FUNCTION__, mNextStreamId, strerror(-res), res); 706 return res; 707 } 708 internalResumeLocked(); 709 } 710 711 ALOGV("Camera %d: Created input stream", mId); 712 return OK; 713} 714 715 716status_t Camera3Device::createZslStream( 717 uint32_t width, uint32_t height, 718 int depth, 719 /*out*/ 720 int *id, 721 sp<Camera3ZslStream>* zslStream) { 722 ATRACE_CALL(); 723 Mutex::Autolock il(mInterfaceLock); 724 Mutex::Autolock l(mLock); 725 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 726 mId, mNextStreamId, width, height, depth); 727 728 status_t res; 729 bool wasActive = false; 730 731 switch (mStatus) { 732 case STATUS_ERROR: 733 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 734 return INVALID_OPERATION; 735 case STATUS_UNINITIALIZED: 736 ALOGE("%s: Device not initialized", __FUNCTION__); 737 return INVALID_OPERATION; 738 case STATUS_UNCONFIGURED: 739 case STATUS_CONFIGURED: 740 // OK 741 break; 742 case STATUS_ACTIVE: 743 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 744 res = internalPauseAndWaitLocked(); 745 if (res != OK) { 746 SET_ERR_L("Can't pause captures to reconfigure streams!"); 747 return res; 748 } 749 wasActive = true; 750 break; 751 default: 752 SET_ERR_L("Unexpected status: %d", mStatus); 753 return INVALID_OPERATION; 754 } 755 assert(mStatus != STATUS_ACTIVE); 756 757 if (mInputStream != 0) { 758 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 759 return INVALID_OPERATION; 760 } 761 762 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 763 width, height, depth); 764 newStream->setStatusTracker(mStatusTracker); 765 766 res = mOutputStreams.add(mNextStreamId, newStream); 767 if (res < 0) { 768 ALOGE("%s: Can't add new stream to set: %s (%d)", 769 __FUNCTION__, strerror(-res), res); 770 return res; 771 } 772 mInputStream = newStream; 773 774 mNeedConfig = true; 775 776 *id = mNextStreamId++; 777 *zslStream = newStream; 778 779 // Continue captures if active at start 780 if (wasActive) { 781 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 782 res = configureStreamsLocked(); 783 if (res != OK) { 784 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 785 __FUNCTION__, mNextStreamId, strerror(-res), res); 786 return res; 787 } 788 internalResumeLocked(); 789 } 790 791 ALOGV("Camera %d: Created ZSL stream", mId); 792 return OK; 793} 794 795status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 796 uint32_t width, uint32_t height, int format, int *id) { 797 ATRACE_CALL(); 798 Mutex::Autolock il(mInterfaceLock); 799 Mutex::Autolock l(mLock); 800 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d", 801 mId, mNextStreamId, width, height, format); 802 803 status_t res; 804 bool wasActive = false; 805 806 switch (mStatus) { 807 case STATUS_ERROR: 808 CLOGE("Device has encountered a serious error"); 809 return INVALID_OPERATION; 810 case STATUS_UNINITIALIZED: 811 CLOGE("Device not initialized"); 812 return INVALID_OPERATION; 813 case STATUS_UNCONFIGURED: 814 case STATUS_CONFIGURED: 815 // OK 816 break; 817 case STATUS_ACTIVE: 818 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 819 res = internalPauseAndWaitLocked(); 820 if (res != OK) { 821 SET_ERR_L("Can't pause captures to reconfigure streams!"); 822 return res; 823 } 824 wasActive = true; 825 break; 826 default: 827 SET_ERR_L("Unexpected status: %d", mStatus); 828 return INVALID_OPERATION; 829 } 830 assert(mStatus != STATUS_ACTIVE); 831 832 sp<Camera3OutputStream> newStream; 833 if (format == HAL_PIXEL_FORMAT_BLOB) { 834 ssize_t jpegBufferSize = getJpegBufferSize(width, height); 835 if (jpegBufferSize <= 0) { 836 SET_ERR_L("Invalid jpeg buffer size %zd", jpegBufferSize); 837 return BAD_VALUE; 838 } 839 840 newStream = new Camera3OutputStream(mNextStreamId, consumer, 841 width, height, jpegBufferSize, format); 842 } else { 843 newStream = new Camera3OutputStream(mNextStreamId, consumer, 844 width, height, format); 845 } 846 newStream->setStatusTracker(mStatusTracker); 847 848 res = mOutputStreams.add(mNextStreamId, newStream); 849 if (res < 0) { 850 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 851 return res; 852 } 853 854 *id = mNextStreamId++; 855 mNeedConfig = true; 856 857 // Continue captures if active at start 858 if (wasActive) { 859 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 860 res = configureStreamsLocked(); 861 if (res != OK) { 862 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 863 mNextStreamId, strerror(-res), res); 864 return res; 865 } 866 internalResumeLocked(); 867 } 868 ALOGV("Camera %d: Created new stream", mId); 869 return OK; 870} 871 872status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 873 ATRACE_CALL(); 874 (void)outputId; (void)id; 875 876 CLOGE("Unimplemented"); 877 return INVALID_OPERATION; 878} 879 880 881status_t Camera3Device::getStreamInfo(int id, 882 uint32_t *width, uint32_t *height, uint32_t *format) { 883 ATRACE_CALL(); 884 Mutex::Autolock il(mInterfaceLock); 885 Mutex::Autolock l(mLock); 886 887 switch (mStatus) { 888 case STATUS_ERROR: 889 CLOGE("Device has encountered a serious error"); 890 return INVALID_OPERATION; 891 case STATUS_UNINITIALIZED: 892 CLOGE("Device not initialized!"); 893 return INVALID_OPERATION; 894 case STATUS_UNCONFIGURED: 895 case STATUS_CONFIGURED: 896 case STATUS_ACTIVE: 897 // OK 898 break; 899 default: 900 SET_ERR_L("Unexpected status: %d", mStatus); 901 return INVALID_OPERATION; 902 } 903 904 ssize_t idx = mOutputStreams.indexOfKey(id); 905 if (idx == NAME_NOT_FOUND) { 906 CLOGE("Stream %d is unknown", id); 907 return idx; 908 } 909 910 if (width) *width = mOutputStreams[idx]->getWidth(); 911 if (height) *height = mOutputStreams[idx]->getHeight(); 912 if (format) *format = mOutputStreams[idx]->getFormat(); 913 914 return OK; 915} 916 917status_t Camera3Device::setStreamTransform(int id, 918 int transform) { 919 ATRACE_CALL(); 920 Mutex::Autolock il(mInterfaceLock); 921 Mutex::Autolock l(mLock); 922 923 switch (mStatus) { 924 case STATUS_ERROR: 925 CLOGE("Device has encountered a serious error"); 926 return INVALID_OPERATION; 927 case STATUS_UNINITIALIZED: 928 CLOGE("Device not initialized"); 929 return INVALID_OPERATION; 930 case STATUS_UNCONFIGURED: 931 case STATUS_CONFIGURED: 932 case STATUS_ACTIVE: 933 // OK 934 break; 935 default: 936 SET_ERR_L("Unexpected status: %d", mStatus); 937 return INVALID_OPERATION; 938 } 939 940 ssize_t idx = mOutputStreams.indexOfKey(id); 941 if (idx == NAME_NOT_FOUND) { 942 CLOGE("Stream %d does not exist", 943 id); 944 return BAD_VALUE; 945 } 946 947 return mOutputStreams.editValueAt(idx)->setTransform(transform); 948} 949 950status_t Camera3Device::deleteStream(int id) { 951 ATRACE_CALL(); 952 Mutex::Autolock il(mInterfaceLock); 953 Mutex::Autolock l(mLock); 954 status_t res; 955 956 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 957 958 // CameraDevice semantics require device to already be idle before 959 // deleteStream is called, unlike for createStream. 960 if (mStatus == STATUS_ACTIVE) { 961 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 962 return -EBUSY; 963 } 964 965 sp<Camera3StreamInterface> deletedStream; 966 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 967 if (mInputStream != NULL && id == mInputStream->getId()) { 968 deletedStream = mInputStream; 969 mInputStream.clear(); 970 } else { 971 if (outputStreamIdx == NAME_NOT_FOUND) { 972 CLOGE("Stream %d does not exist", id); 973 return BAD_VALUE; 974 } 975 } 976 977 // Delete output stream or the output part of a bi-directional stream. 978 if (outputStreamIdx != NAME_NOT_FOUND) { 979 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 980 mOutputStreams.removeItem(id); 981 } 982 983 // Free up the stream endpoint so that it can be used by some other stream 984 res = deletedStream->disconnect(); 985 if (res != OK) { 986 SET_ERR_L("Can't disconnect deleted stream %d", id); 987 // fall through since we want to still list the stream as deleted. 988 } 989 mDeletedStreams.add(deletedStream); 990 mNeedConfig = true; 991 992 return res; 993} 994 995status_t Camera3Device::deleteReprocessStream(int id) { 996 ATRACE_CALL(); 997 (void)id; 998 999 CLOGE("Unimplemented"); 1000 return INVALID_OPERATION; 1001} 1002 1003status_t Camera3Device::configureStreams() { 1004 ATRACE_CALL(); 1005 ALOGV("%s: E", __FUNCTION__); 1006 1007 Mutex::Autolock il(mInterfaceLock); 1008 Mutex::Autolock l(mLock); 1009 1010 return configureStreamsLocked(); 1011} 1012 1013status_t Camera3Device::createDefaultRequest(int templateId, 1014 CameraMetadata *request) { 1015 ATRACE_CALL(); 1016 ALOGV("%s: for template %d", __FUNCTION__, templateId); 1017 Mutex::Autolock il(mInterfaceLock); 1018 Mutex::Autolock l(mLock); 1019 1020 switch (mStatus) { 1021 case STATUS_ERROR: 1022 CLOGE("Device has encountered a serious error"); 1023 return INVALID_OPERATION; 1024 case STATUS_UNINITIALIZED: 1025 CLOGE("Device is not initialized!"); 1026 return INVALID_OPERATION; 1027 case STATUS_UNCONFIGURED: 1028 case STATUS_CONFIGURED: 1029 case STATUS_ACTIVE: 1030 // OK 1031 break; 1032 default: 1033 SET_ERR_L("Unexpected status: %d", mStatus); 1034 return INVALID_OPERATION; 1035 } 1036 1037 const camera_metadata_t *rawRequest; 1038 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1039 rawRequest = mHal3Device->ops->construct_default_request_settings( 1040 mHal3Device, templateId); 1041 ATRACE_END(); 1042 if (rawRequest == NULL) { 1043 SET_ERR_L("HAL is unable to construct default settings for template %d", 1044 templateId); 1045 return DEAD_OBJECT; 1046 } 1047 *request = rawRequest; 1048 1049 return OK; 1050} 1051 1052status_t Camera3Device::waitUntilDrained() { 1053 ATRACE_CALL(); 1054 Mutex::Autolock il(mInterfaceLock); 1055 Mutex::Autolock l(mLock); 1056 1057 return waitUntilDrainedLocked(); 1058} 1059 1060status_t Camera3Device::waitUntilDrainedLocked() { 1061 switch (mStatus) { 1062 case STATUS_UNINITIALIZED: 1063 case STATUS_UNCONFIGURED: 1064 ALOGV("%s: Already idle", __FUNCTION__); 1065 return OK; 1066 case STATUS_CONFIGURED: 1067 // To avoid race conditions, check with tracker to be sure 1068 case STATUS_ERROR: 1069 case STATUS_ACTIVE: 1070 // Need to verify shut down 1071 break; 1072 default: 1073 SET_ERR_L("Unexpected status: %d",mStatus); 1074 return INVALID_OPERATION; 1075 } 1076 1077 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1078 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1079 return res; 1080} 1081 1082// Pause to reconfigure 1083status_t Camera3Device::internalPauseAndWaitLocked() { 1084 mRequestThread->setPaused(true); 1085 mPauseStateNotify = true; 1086 1087 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1088 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1089 if (res != OK) { 1090 SET_ERR_L("Can't idle device in %f seconds!", 1091 kShutdownTimeout/1e9); 1092 } 1093 1094 return res; 1095} 1096 1097// Resume after internalPauseAndWaitLocked 1098status_t Camera3Device::internalResumeLocked() { 1099 status_t res; 1100 1101 mRequestThread->setPaused(false); 1102 1103 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1104 if (res != OK) { 1105 SET_ERR_L("Can't transition to active in %f seconds!", 1106 kActiveTimeout/1e9); 1107 } 1108 mPauseStateNotify = false; 1109 return OK; 1110} 1111 1112status_t Camera3Device::waitUntilStateThenRelock(bool active, 1113 nsecs_t timeout) { 1114 status_t res = OK; 1115 if (active == (mStatus == STATUS_ACTIVE)) { 1116 // Desired state already reached 1117 return res; 1118 } 1119 1120 bool stateSeen = false; 1121 do { 1122 mRecentStatusUpdates.clear(); 1123 1124 res = mStatusChanged.waitRelative(mLock, timeout); 1125 if (res != OK) break; 1126 1127 // Check state change history during wait 1128 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1129 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1130 stateSeen = true; 1131 break; 1132 } 1133 } 1134 } while (!stateSeen); 1135 1136 return res; 1137} 1138 1139 1140status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1141 ATRACE_CALL(); 1142 Mutex::Autolock l(mOutputLock); 1143 1144 if (listener != NULL && mListener != NULL) { 1145 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1146 } 1147 mListener = listener; 1148 1149 return OK; 1150} 1151 1152bool Camera3Device::willNotify3A() { 1153 return false; 1154} 1155 1156status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1157 status_t res; 1158 Mutex::Autolock l(mOutputLock); 1159 1160 while (mResultQueue.empty()) { 1161 res = mResultSignal.waitRelative(mOutputLock, timeout); 1162 if (res == TIMED_OUT) { 1163 return res; 1164 } else if (res != OK) { 1165 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1166 __FUNCTION__, mId, timeout, strerror(-res), res); 1167 return res; 1168 } 1169 } 1170 return OK; 1171} 1172 1173status_t Camera3Device::getNextResult(CaptureResult *frame) { 1174 ATRACE_CALL(); 1175 Mutex::Autolock l(mOutputLock); 1176 1177 if (mResultQueue.empty()) { 1178 return NOT_ENOUGH_DATA; 1179 } 1180 1181 if (frame == NULL) { 1182 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1183 return BAD_VALUE; 1184 } 1185 1186 CaptureResult &result = *(mResultQueue.begin()); 1187 frame->mResultExtras = result.mResultExtras; 1188 frame->mMetadata.acquire(result.mMetadata); 1189 mResultQueue.erase(mResultQueue.begin()); 1190 1191 return OK; 1192} 1193 1194status_t Camera3Device::triggerAutofocus(uint32_t id) { 1195 ATRACE_CALL(); 1196 Mutex::Autolock il(mInterfaceLock); 1197 1198 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1199 // Mix-in this trigger into the next request and only the next request. 1200 RequestTrigger trigger[] = { 1201 { 1202 ANDROID_CONTROL_AF_TRIGGER, 1203 ANDROID_CONTROL_AF_TRIGGER_START 1204 }, 1205 { 1206 ANDROID_CONTROL_AF_TRIGGER_ID, 1207 static_cast<int32_t>(id) 1208 } 1209 }; 1210 1211 return mRequestThread->queueTrigger(trigger, 1212 sizeof(trigger)/sizeof(trigger[0])); 1213} 1214 1215status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1216 ATRACE_CALL(); 1217 Mutex::Autolock il(mInterfaceLock); 1218 1219 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1220 // Mix-in this trigger into the next request and only the next request. 1221 RequestTrigger trigger[] = { 1222 { 1223 ANDROID_CONTROL_AF_TRIGGER, 1224 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1225 }, 1226 { 1227 ANDROID_CONTROL_AF_TRIGGER_ID, 1228 static_cast<int32_t>(id) 1229 } 1230 }; 1231 1232 return mRequestThread->queueTrigger(trigger, 1233 sizeof(trigger)/sizeof(trigger[0])); 1234} 1235 1236status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1237 ATRACE_CALL(); 1238 Mutex::Autolock il(mInterfaceLock); 1239 1240 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1241 // Mix-in this trigger into the next request and only the next request. 1242 RequestTrigger trigger[] = { 1243 { 1244 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1245 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1246 }, 1247 { 1248 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1249 static_cast<int32_t>(id) 1250 } 1251 }; 1252 1253 return mRequestThread->queueTrigger(trigger, 1254 sizeof(trigger)/sizeof(trigger[0])); 1255} 1256 1257status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1258 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1259 ATRACE_CALL(); 1260 (void)reprocessStreamId; (void)buffer; (void)listener; 1261 1262 CLOGE("Unimplemented"); 1263 return INVALID_OPERATION; 1264} 1265 1266status_t Camera3Device::flush(int64_t *frameNumber) { 1267 ATRACE_CALL(); 1268 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1269 Mutex::Autolock il(mInterfaceLock); 1270 1271 { 1272 Mutex::Autolock l(mLock); 1273 mRequestThread->clear(/*out*/frameNumber); 1274 } 1275 1276 status_t res; 1277 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1278 res = mHal3Device->ops->flush(mHal3Device); 1279 } else { 1280 Mutex::Autolock l(mLock); 1281 res = waitUntilDrainedLocked(); 1282 } 1283 1284 return res; 1285} 1286 1287uint32_t Camera3Device::getDeviceVersion() { 1288 ATRACE_CALL(); 1289 Mutex::Autolock il(mInterfaceLock); 1290 return mDeviceVersion; 1291} 1292 1293/** 1294 * Methods called by subclasses 1295 */ 1296 1297void Camera3Device::notifyStatus(bool idle) { 1298 { 1299 // Need mLock to safely update state and synchronize to current 1300 // state of methods in flight. 1301 Mutex::Autolock l(mLock); 1302 // We can get various system-idle notices from the status tracker 1303 // while starting up. Only care about them if we've actually sent 1304 // in some requests recently. 1305 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1306 return; 1307 } 1308 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1309 idle ? "idle" : "active"); 1310 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1311 mRecentStatusUpdates.add(mStatus); 1312 mStatusChanged.signal(); 1313 1314 // Skip notifying listener if we're doing some user-transparent 1315 // state changes 1316 if (mPauseStateNotify) return; 1317 } 1318 NotificationListener *listener; 1319 { 1320 Mutex::Autolock l(mOutputLock); 1321 listener = mListener; 1322 } 1323 if (idle && listener != NULL) { 1324 listener->notifyIdle(); 1325 } 1326} 1327 1328/** 1329 * Camera3Device private methods 1330 */ 1331 1332sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1333 const CameraMetadata &request) { 1334 ATRACE_CALL(); 1335 status_t res; 1336 1337 sp<CaptureRequest> newRequest = new CaptureRequest; 1338 newRequest->mSettings = request; 1339 1340 camera_metadata_entry_t inputStreams = 1341 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1342 if (inputStreams.count > 0) { 1343 if (mInputStream == NULL || 1344 mInputStream->getId() != inputStreams.data.i32[0]) { 1345 CLOGE("Request references unknown input stream %d", 1346 inputStreams.data.u8[0]); 1347 return NULL; 1348 } 1349 // Lazy completion of stream configuration (allocation/registration) 1350 // on first use 1351 if (mInputStream->isConfiguring()) { 1352 res = mInputStream->finishConfiguration(mHal3Device); 1353 if (res != OK) { 1354 SET_ERR_L("Unable to finish configuring input stream %d:" 1355 " %s (%d)", 1356 mInputStream->getId(), strerror(-res), res); 1357 return NULL; 1358 } 1359 } 1360 1361 newRequest->mInputStream = mInputStream; 1362 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1363 } 1364 1365 camera_metadata_entry_t streams = 1366 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1367 if (streams.count == 0) { 1368 CLOGE("Zero output streams specified!"); 1369 return NULL; 1370 } 1371 1372 for (size_t i = 0; i < streams.count; i++) { 1373 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1374 if (idx == NAME_NOT_FOUND) { 1375 CLOGE("Request references unknown stream %d", 1376 streams.data.u8[i]); 1377 return NULL; 1378 } 1379 sp<Camera3OutputStreamInterface> stream = 1380 mOutputStreams.editValueAt(idx); 1381 1382 // Lazy completion of stream configuration (allocation/registration) 1383 // on first use 1384 if (stream->isConfiguring()) { 1385 res = stream->finishConfiguration(mHal3Device); 1386 if (res != OK) { 1387 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1388 stream->getId(), strerror(-res), res); 1389 return NULL; 1390 } 1391 } 1392 1393 newRequest->mOutputStreams.push(stream); 1394 } 1395 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1396 1397 return newRequest; 1398} 1399 1400status_t Camera3Device::configureStreamsLocked() { 1401 ATRACE_CALL(); 1402 status_t res; 1403 1404 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1405 CLOGE("Not idle"); 1406 return INVALID_OPERATION; 1407 } 1408 1409 if (!mNeedConfig) { 1410 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1411 return OK; 1412 } 1413 1414 // Start configuring the streams 1415 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1416 1417 camera3_stream_configuration config; 1418 1419 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1420 1421 Vector<camera3_stream_t*> streams; 1422 streams.setCapacity(config.num_streams); 1423 1424 if (mInputStream != NULL) { 1425 camera3_stream_t *inputStream; 1426 inputStream = mInputStream->startConfiguration(); 1427 if (inputStream == NULL) { 1428 SET_ERR_L("Can't start input stream configuration"); 1429 return INVALID_OPERATION; 1430 } 1431 streams.add(inputStream); 1432 } 1433 1434 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1435 1436 // Don't configure bidi streams twice, nor add them twice to the list 1437 if (mOutputStreams[i].get() == 1438 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1439 1440 config.num_streams--; 1441 continue; 1442 } 1443 1444 camera3_stream_t *outputStream; 1445 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1446 if (outputStream == NULL) { 1447 SET_ERR_L("Can't start output stream configuration"); 1448 return INVALID_OPERATION; 1449 } 1450 streams.add(outputStream); 1451 } 1452 1453 config.streams = streams.editArray(); 1454 1455 // Do the HAL configuration; will potentially touch stream 1456 // max_buffers, usage, priv fields. 1457 ATRACE_BEGIN("camera3->configure_streams"); 1458 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1459 ATRACE_END(); 1460 1461 if (res != OK) { 1462 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1463 strerror(-res), res); 1464 return res; 1465 } 1466 1467 // Finish all stream configuration immediately. 1468 // TODO: Try to relax this later back to lazy completion, which should be 1469 // faster 1470 1471 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1472 res = mInputStream->finishConfiguration(mHal3Device); 1473 if (res != OK) { 1474 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1475 mInputStream->getId(), strerror(-res), res); 1476 return res; 1477 } 1478 } 1479 1480 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1481 sp<Camera3OutputStreamInterface> outputStream = 1482 mOutputStreams.editValueAt(i); 1483 if (outputStream->isConfiguring()) { 1484 res = outputStream->finishConfiguration(mHal3Device); 1485 if (res != OK) { 1486 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1487 outputStream->getId(), strerror(-res), res); 1488 return res; 1489 } 1490 } 1491 } 1492 1493 // Request thread needs to know to avoid using repeat-last-settings protocol 1494 // across configure_streams() calls 1495 mRequestThread->configurationComplete(); 1496 1497 // Update device state 1498 1499 mNeedConfig = false; 1500 1501 if (config.num_streams > 0) { 1502 mStatus = STATUS_CONFIGURED; 1503 } else { 1504 mStatus = STATUS_UNCONFIGURED; 1505 } 1506 1507 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1508 1509 // tear down the deleted streams after configure streams. 1510 mDeletedStreams.clear(); 1511 1512 return OK; 1513} 1514 1515void Camera3Device::setErrorState(const char *fmt, ...) { 1516 Mutex::Autolock l(mLock); 1517 va_list args; 1518 va_start(args, fmt); 1519 1520 setErrorStateLockedV(fmt, args); 1521 1522 va_end(args); 1523} 1524 1525void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1526 Mutex::Autolock l(mLock); 1527 setErrorStateLockedV(fmt, args); 1528} 1529 1530void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1531 va_list args; 1532 va_start(args, fmt); 1533 1534 setErrorStateLockedV(fmt, args); 1535 1536 va_end(args); 1537} 1538 1539void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1540 // Print out all error messages to log 1541 String8 errorCause = String8::formatV(fmt, args); 1542 ALOGE("Camera %d: %s", mId, errorCause.string()); 1543 1544 // But only do error state transition steps for the first error 1545 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1546 1547 // Save stack trace. View by dumping it later. 1548 CameraTraces::saveTrace(); 1549 // TODO: consider adding errorCause and client pid/procname 1550 1551 mErrorCause = errorCause; 1552 1553 mRequestThread->setPaused(true); 1554 mStatus = STATUS_ERROR; 1555} 1556 1557/** 1558 * In-flight request management 1559 */ 1560 1561status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1562 int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput) { 1563 ATRACE_CALL(); 1564 Mutex::Autolock l(mInFlightLock); 1565 1566 ssize_t res; 1567 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput)); 1568 if (res < 0) return res; 1569 1570 return OK; 1571} 1572 1573/** 1574 * Check if all 3A fields are ready, and send off a partial 3A-only result 1575 * to the output frame queue 1576 */ 1577bool Camera3Device::processPartial3AResult( 1578 uint32_t frameNumber, 1579 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1580 1581 // Check if all 3A states are present 1582 // The full list of fields is 1583 // android.control.afMode 1584 // android.control.awbMode 1585 // android.control.aeState 1586 // android.control.awbState 1587 // android.control.afState 1588 // android.control.afTriggerID 1589 // android.control.aePrecaptureID 1590 // TODO: Add android.control.aeMode 1591 1592 bool gotAllStates = true; 1593 1594 uint8_t afMode; 1595 uint8_t awbMode; 1596 uint8_t aeState; 1597 uint8_t afState; 1598 uint8_t awbState; 1599 1600 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1601 &afMode, frameNumber); 1602 1603 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1604 &awbMode, frameNumber); 1605 1606 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1607 &aeState, frameNumber); 1608 1609 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1610 &afState, frameNumber); 1611 1612 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1613 &awbState, frameNumber); 1614 1615 if (!gotAllStates) return false; 1616 1617 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1618 "AF state %d, AE state %d, AWB state %d, " 1619 "AF trigger %d, AE precapture trigger %d", 1620 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1621 afMode, awbMode, 1622 afState, aeState, awbState, 1623 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1624 1625 // Got all states, so construct a minimal result to send 1626 // In addition to the above fields, this means adding in 1627 // android.request.frameCount 1628 // android.request.requestId 1629 // android.quirks.partialResult (for HAL version below HAL3.2) 1630 1631 const size_t kMinimal3AResultEntries = 10; 1632 1633 Mutex::Autolock l(mOutputLock); 1634 1635 CaptureResult captureResult; 1636 captureResult.mResultExtras = resultExtras; 1637 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1638 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1639 // but not limited to CameraDeviceBase::getNextResult 1640 CaptureResult& min3AResult = 1641 *mResultQueue.insert(mResultQueue.end(), captureResult); 1642 1643 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1644 // TODO: This is problematic casting. Need to fix CameraMetadata. 1645 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1646 return false; 1647 } 1648 1649 int32_t requestId = resultExtras.requestId; 1650 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1651 &requestId, frameNumber)) { 1652 return false; 1653 } 1654 1655 if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) { 1656 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1657 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1658 &partialResult, frameNumber)) { 1659 return false; 1660 } 1661 } 1662 1663 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1664 &afMode, frameNumber)) { 1665 return false; 1666 } 1667 1668 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1669 &awbMode, frameNumber)) { 1670 return false; 1671 } 1672 1673 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1674 &aeState, frameNumber)) { 1675 return false; 1676 } 1677 1678 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1679 &afState, frameNumber)) { 1680 return false; 1681 } 1682 1683 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1684 &awbState, frameNumber)) { 1685 return false; 1686 } 1687 1688 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1689 &resultExtras.afTriggerId, frameNumber)) { 1690 return false; 1691 } 1692 1693 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1694 &resultExtras.precaptureTriggerId, frameNumber)) { 1695 return false; 1696 } 1697 1698 // We only send the aggregated partial when all 3A related metadata are available 1699 // For both API1 and API2. 1700 // TODO: we probably should pass through all partials to API2 unconditionally. 1701 mResultSignal.signal(); 1702 1703 return true; 1704} 1705 1706template<typename T> 1707bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1708 T* value, uint32_t frameNumber) { 1709 (void) frameNumber; 1710 1711 camera_metadata_ro_entry_t entry; 1712 1713 entry = result.find(tag); 1714 if (entry.count == 0) { 1715 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1716 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1717 return false; 1718 } 1719 1720 if (sizeof(T) == sizeof(uint8_t)) { 1721 *value = entry.data.u8[0]; 1722 } else if (sizeof(T) == sizeof(int32_t)) { 1723 *value = entry.data.i32[0]; 1724 } else { 1725 ALOGE("%s: Unexpected type", __FUNCTION__); 1726 return false; 1727 } 1728 return true; 1729} 1730 1731template<typename T> 1732bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1733 const T* value, uint32_t frameNumber) { 1734 if (result.update(tag, value, 1) != NO_ERROR) { 1735 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1736 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1737 frameNumber, get_camera_metadata_tag_name(tag)); 1738 return false; 1739 } 1740 return true; 1741} 1742 1743/** 1744 * Camera HAL device callback methods 1745 */ 1746 1747void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1748 ATRACE_CALL(); 1749 1750 status_t res; 1751 1752 uint32_t frameNumber = result->frame_number; 1753 if (result->result == NULL && result->num_output_buffers == 0 && 1754 result->input_buffer == NULL) { 1755 SET_ERR("No result data provided by HAL for frame %d", 1756 frameNumber); 1757 return; 1758 } 1759 1760 // For HAL3.2 or above, If HAL doesn't support partial, it must always set 1761 // partial_result to 1 when metadata is included in this result. 1762 if (!mUsePartialResult && 1763 mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && 1764 result->result != NULL && 1765 result->partial_result != 1) { 1766 SET_ERR("Result is malformed for frame %d: partial_result %u must be 1" 1767 " if partial result is not supported", 1768 frameNumber, result->partial_result); 1769 return; 1770 } 1771 1772 bool isPartialResult = false; 1773 CameraMetadata collectedPartialResult; 1774 CaptureResultExtras resultExtras; 1775 bool hasInputBufferInRequest = false; 1776 1777 // Get capture timestamp and resultExtras from list of in-flight requests, 1778 // where it was added by the shutter notification for this frame. 1779 // Then update the in-flight status and remove the in-flight entry if 1780 // all result data has been received. 1781 nsecs_t timestamp = 0; 1782 { 1783 Mutex::Autolock l(mInFlightLock); 1784 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1785 if (idx == NAME_NOT_FOUND) { 1786 SET_ERR("Unknown frame number for capture result: %d", 1787 frameNumber); 1788 return; 1789 } 1790 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1791 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1792 ", burstId = %" PRId32, 1793 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1794 request.resultExtras.burstId); 1795 // Always update the partial count to the latest one. When framework aggregates adjacent 1796 // partial results into one, the latest partial count will be used. 1797 request.resultExtras.partialResultCount = result->partial_result; 1798 1799 // Check if this result carries only partial metadata 1800 if (mUsePartialResult && result->result != NULL) { 1801 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 1802 if (result->partial_result > mNumPartialResults || result->partial_result < 1) { 1803 SET_ERR("Result is malformed for frame %d: partial_result %u must be in" 1804 " the range of [1, %d] when metadata is included in the result", 1805 frameNumber, result->partial_result, mNumPartialResults); 1806 return; 1807 } 1808 isPartialResult = (result->partial_result < mNumPartialResults); 1809 if (isPartialResult) { 1810 request.partialResult.collectedResult.append(result->result); 1811 } 1812 } else { 1813 camera_metadata_ro_entry_t partialResultEntry; 1814 res = find_camera_metadata_ro_entry(result->result, 1815 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1816 if (res != NAME_NOT_FOUND && 1817 partialResultEntry.count > 0 && 1818 partialResultEntry.data.u8[0] == 1819 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1820 // A partial result. Flag this as such, and collect this 1821 // set of metadata into the in-flight entry. 1822 isPartialResult = true; 1823 request.partialResult.collectedResult.append( 1824 result->result); 1825 request.partialResult.collectedResult.erase( 1826 ANDROID_QUIRKS_PARTIAL_RESULT); 1827 } 1828 } 1829 1830 if (isPartialResult) { 1831 // Fire off a 3A-only result if possible 1832 if (!request.partialResult.haveSent3A) { 1833 request.partialResult.haveSent3A = 1834 processPartial3AResult(frameNumber, 1835 request.partialResult.collectedResult, 1836 request.resultExtras); 1837 } 1838 } 1839 } 1840 1841 timestamp = request.captureTimestamp; 1842 resultExtras = request.resultExtras; 1843 hasInputBufferInRequest = request.hasInputBuffer; 1844 1845 /** 1846 * One of the following must happen before it's legal to call process_capture_result, 1847 * unless partial metadata is being provided: 1848 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1849 * - CAMERA3_MSG_ERROR (expected during flush) 1850 */ 1851 if (request.requestStatus == OK && timestamp == 0 && !isPartialResult) { 1852 SET_ERR("Called before shutter notify for frame %d", 1853 frameNumber); 1854 return; 1855 } 1856 1857 // Did we get the (final) result metadata for this capture? 1858 if (result->result != NULL && !isPartialResult) { 1859 if (request.haveResultMetadata) { 1860 SET_ERR("Called multiple times with metadata for frame %d", 1861 frameNumber); 1862 return; 1863 } 1864 if (mUsePartialResult && 1865 !request.partialResult.collectedResult.isEmpty()) { 1866 collectedPartialResult.acquire( 1867 request.partialResult.collectedResult); 1868 } 1869 request.haveResultMetadata = true; 1870 } 1871 1872 uint32_t numBuffersReturned = result->num_output_buffers; 1873 if (result->input_buffer != NULL) { 1874 if (hasInputBufferInRequest) { 1875 numBuffersReturned += 1; 1876 } else { 1877 ALOGW("%s: Input buffer should be NULL if there is no input" 1878 " buffer sent in the request", 1879 __FUNCTION__); 1880 } 1881 } 1882 request.numBuffersLeft -= numBuffersReturned; 1883 if (request.numBuffersLeft < 0) { 1884 SET_ERR("Too many buffers returned for frame %d", 1885 frameNumber); 1886 return; 1887 } 1888 1889 // Check if everything has arrived for this result (buffers and metadata), remove it from 1890 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 1891 if ((request.requestStatus != OK) || 1892 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 1893 ATRACE_ASYNC_END("frame capture", frameNumber); 1894 mInFlightMap.removeItemsAt(idx, 1); 1895 } 1896 1897 // Sanity check - if we have too many in-flight frames, something has 1898 // likely gone wrong 1899 if (mInFlightMap.size() > kInFlightWarnLimit) { 1900 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1901 } 1902 1903 } 1904 1905 // Process the result metadata, if provided 1906 bool gotResult = false; 1907 if (result->result != NULL && !isPartialResult) { 1908 Mutex::Autolock l(mOutputLock); 1909 1910 gotResult = true; 1911 1912 // TODO: need to track errors for tighter bounds on expected frame number 1913 if (frameNumber < mNextResultFrameNumber) { 1914 SET_ERR("Out-of-order capture result metadata submitted! " 1915 "(got frame number %d, expecting %d)", 1916 frameNumber, mNextResultFrameNumber); 1917 return; 1918 } 1919 mNextResultFrameNumber = frameNumber + 1; 1920 1921 CaptureResult captureResult; 1922 captureResult.mResultExtras = resultExtras; 1923 captureResult.mMetadata = result->result; 1924 1925 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1926 (int32_t*)&frameNumber, 1) != OK) { 1927 SET_ERR("Failed to set frame# in metadata (%d)", 1928 frameNumber); 1929 gotResult = false; 1930 } else { 1931 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1932 __FUNCTION__, mId, frameNumber); 1933 } 1934 1935 // Append any previous partials to form a complete result 1936 if (mUsePartialResult && !collectedPartialResult.isEmpty()) { 1937 captureResult.mMetadata.append(collectedPartialResult); 1938 } 1939 1940 captureResult.mMetadata.sort(); 1941 1942 // Check that there's a timestamp in the result metadata 1943 1944 camera_metadata_entry entry = 1945 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1946 if (entry.count == 0) { 1947 SET_ERR("No timestamp provided by HAL for frame %d!", 1948 frameNumber); 1949 gotResult = false; 1950 } else if (timestamp != entry.data.i64[0]) { 1951 SET_ERR("Timestamp mismatch between shutter notify and result" 1952 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 1953 frameNumber, timestamp, entry.data.i64[0]); 1954 gotResult = false; 1955 } 1956 1957 if (gotResult) { 1958 // Valid result, insert into queue 1959 List<CaptureResult>::iterator queuedResult = 1960 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1961 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1962 ", burstId = %" PRId32, __FUNCTION__, 1963 queuedResult->mResultExtras.requestId, 1964 queuedResult->mResultExtras.frameNumber, 1965 queuedResult->mResultExtras.burstId); 1966 } 1967 } // scope for mOutputLock 1968 1969 // Return completed buffers to their streams with the timestamp 1970 1971 for (size_t i = 0; i < result->num_output_buffers; i++) { 1972 Camera3Stream *stream = 1973 Camera3Stream::cast(result->output_buffers[i].stream); 1974 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1975 // Note: stream may be deallocated at this point, if this buffer was the 1976 // last reference to it. 1977 if (res != OK) { 1978 ALOGE("Can't return buffer %zu for frame %d to its stream: " 1979 " %s (%d)", i, frameNumber, strerror(-res), res); 1980 } 1981 } 1982 1983 if (result->input_buffer != NULL) { 1984 if (hasInputBufferInRequest) { 1985 Camera3Stream *stream = 1986 Camera3Stream::cast(result->input_buffer->stream); 1987 res = stream->returnInputBuffer(*(result->input_buffer)); 1988 // Note: stream may be deallocated at this point, if this buffer was the 1989 // last reference to it. 1990 if (res != OK) { 1991 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 1992 " its stream:%s (%d)", __FUNCTION__, 1993 frameNumber, strerror(-res), res); 1994 } 1995 } else { 1996 ALOGW("%s: Input buffer should be NULL if there is no input" 1997 " buffer sent in the request, skipping input buffer return.", 1998 __FUNCTION__); 1999 } 2000 } 2001 2002 // Finally, signal any waiters for new frames 2003 2004 if (gotResult) { 2005 mResultSignal.signal(); 2006 } 2007 2008} 2009 2010void Camera3Device::notify(const camera3_notify_msg *msg) { 2011 ATRACE_CALL(); 2012 NotificationListener *listener; 2013 { 2014 Mutex::Autolock l(mOutputLock); 2015 listener = mListener; 2016 } 2017 2018 if (msg == NULL) { 2019 SET_ERR("HAL sent NULL notify message!"); 2020 return; 2021 } 2022 2023 switch (msg->type) { 2024 case CAMERA3_MSG_ERROR: { 2025 int streamId = 0; 2026 if (msg->message.error.error_stream != NULL) { 2027 Camera3Stream *stream = 2028 Camera3Stream::cast( 2029 msg->message.error.error_stream); 2030 streamId = stream->getId(); 2031 } 2032 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 2033 mId, __FUNCTION__, msg->message.error.frame_number, 2034 streamId, msg->message.error.error_code); 2035 2036 CaptureResultExtras resultExtras; 2037 // Set request error status for the request in the in-flight tracking 2038 { 2039 Mutex::Autolock l(mInFlightLock); 2040 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 2041 if (idx >= 0) { 2042 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2043 r.requestStatus = msg->message.error.error_code; 2044 resultExtras = r.resultExtras; 2045 } else { 2046 resultExtras.frameNumber = msg->message.error.frame_number; 2047 ALOGE("Camera %d: %s: cannot find in-flight request on frame %" PRId64 2048 " error", mId, __FUNCTION__, resultExtras.frameNumber); 2049 } 2050 } 2051 2052 if (listener != NULL) { 2053 if (msg->message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) { 2054 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 2055 resultExtras); 2056 } 2057 } else { 2058 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 2059 } 2060 break; 2061 } 2062 case CAMERA3_MSG_SHUTTER: { 2063 ssize_t idx; 2064 uint32_t frameNumber = msg->message.shutter.frame_number; 2065 nsecs_t timestamp = msg->message.shutter.timestamp; 2066 // Verify ordering of shutter notifications 2067 { 2068 Mutex::Autolock l(mOutputLock); 2069 // TODO: need to track errors for tighter bounds on expected frame number. 2070 if (frameNumber < mNextShutterFrameNumber) { 2071 SET_ERR("Shutter notification out-of-order. Expected " 2072 "notification for frame %d, got frame %d", 2073 mNextShutterFrameNumber, frameNumber); 2074 break; 2075 } 2076 mNextShutterFrameNumber = frameNumber + 1; 2077 } 2078 2079 CaptureResultExtras resultExtras; 2080 2081 // Set timestamp for the request in the in-flight tracking 2082 // and get the request ID to send upstream 2083 { 2084 Mutex::Autolock l(mInFlightLock); 2085 idx = mInFlightMap.indexOfKey(frameNumber); 2086 if (idx >= 0) { 2087 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2088 r.captureTimestamp = timestamp; 2089 resultExtras = r.resultExtras; 2090 } 2091 } 2092 if (idx < 0) { 2093 SET_ERR("Shutter notification for non-existent frame number %d", 2094 frameNumber); 2095 break; 2096 } 2097 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2098 mId, __FUNCTION__, frameNumber, resultExtras.requestId, timestamp); 2099 // Call listener, if any 2100 if (listener != NULL) { 2101 listener->notifyShutter(resultExtras, timestamp); 2102 } 2103 break; 2104 } 2105 default: 2106 SET_ERR("Unknown notify message from HAL: %d", 2107 msg->type); 2108 } 2109} 2110 2111CameraMetadata Camera3Device::getLatestRequestLocked() { 2112 ALOGV("%s", __FUNCTION__); 2113 2114 CameraMetadata retVal; 2115 2116 if (mRequestThread != NULL) { 2117 retVal = mRequestThread->getLatestRequest(); 2118 } 2119 2120 return retVal; 2121} 2122 2123 2124/** 2125 * RequestThread inner class methods 2126 */ 2127 2128Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2129 sp<StatusTracker> statusTracker, 2130 camera3_device_t *hal3Device) : 2131 Thread(false), 2132 mParent(parent), 2133 mStatusTracker(statusTracker), 2134 mHal3Device(hal3Device), 2135 mId(getId(parent)), 2136 mReconfigured(false), 2137 mDoPause(false), 2138 mPaused(true), 2139 mFrameNumber(0), 2140 mLatestRequestId(NAME_NOT_FOUND), 2141 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2142 mStatusId = statusTracker->addComponent(); 2143} 2144 2145void Camera3Device::RequestThread::configurationComplete() { 2146 Mutex::Autolock l(mRequestLock); 2147 mReconfigured = true; 2148} 2149 2150status_t Camera3Device::RequestThread::queueRequestList( 2151 List<sp<CaptureRequest> > &requests, 2152 /*out*/ 2153 int64_t *lastFrameNumber) { 2154 Mutex::Autolock l(mRequestLock); 2155 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2156 ++it) { 2157 mRequestQueue.push_back(*it); 2158 } 2159 2160 if (lastFrameNumber != NULL) { 2161 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2162 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2163 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2164 *lastFrameNumber); 2165 } 2166 2167 unpauseForNewRequests(); 2168 2169 return OK; 2170} 2171 2172 2173status_t Camera3Device::RequestThread::queueTrigger( 2174 RequestTrigger trigger[], 2175 size_t count) { 2176 2177 Mutex::Autolock l(mTriggerMutex); 2178 status_t ret; 2179 2180 for (size_t i = 0; i < count; ++i) { 2181 ret = queueTriggerLocked(trigger[i]); 2182 2183 if (ret != OK) { 2184 return ret; 2185 } 2186 } 2187 2188 return OK; 2189} 2190 2191int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2192 sp<Camera3Device> d = device.promote(); 2193 if (d != NULL) return d->mId; 2194 return 0; 2195} 2196 2197status_t Camera3Device::RequestThread::queueTriggerLocked( 2198 RequestTrigger trigger) { 2199 2200 uint32_t tag = trigger.metadataTag; 2201 ssize_t index = mTriggerMap.indexOfKey(tag); 2202 2203 switch (trigger.getTagType()) { 2204 case TYPE_BYTE: 2205 // fall-through 2206 case TYPE_INT32: 2207 break; 2208 default: 2209 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2210 trigger.getTagType()); 2211 return INVALID_OPERATION; 2212 } 2213 2214 /** 2215 * Collect only the latest trigger, since we only have 1 field 2216 * in the request settings per trigger tag, and can't send more than 1 2217 * trigger per request. 2218 */ 2219 if (index != NAME_NOT_FOUND) { 2220 mTriggerMap.editValueAt(index) = trigger; 2221 } else { 2222 mTriggerMap.add(tag, trigger); 2223 } 2224 2225 return OK; 2226} 2227 2228status_t Camera3Device::RequestThread::setRepeatingRequests( 2229 const RequestList &requests, 2230 /*out*/ 2231 int64_t *lastFrameNumber) { 2232 Mutex::Autolock l(mRequestLock); 2233 if (lastFrameNumber != NULL) { 2234 *lastFrameNumber = mRepeatingLastFrameNumber; 2235 } 2236 mRepeatingRequests.clear(); 2237 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2238 requests.begin(), requests.end()); 2239 2240 unpauseForNewRequests(); 2241 2242 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2243 return OK; 2244} 2245 2246bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2247 if (mRepeatingRequests.empty()) { 2248 return false; 2249 } 2250 int32_t requestId = requestIn->mResultExtras.requestId; 2251 const RequestList &repeatRequests = mRepeatingRequests; 2252 // All repeating requests are guaranteed to have same id so only check first quest 2253 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2254 return (firstRequest->mResultExtras.requestId == requestId); 2255} 2256 2257status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2258 Mutex::Autolock l(mRequestLock); 2259 mRepeatingRequests.clear(); 2260 if (lastFrameNumber != NULL) { 2261 *lastFrameNumber = mRepeatingLastFrameNumber; 2262 } 2263 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2264 return OK; 2265} 2266 2267status_t Camera3Device::RequestThread::clear(/*out*/int64_t *lastFrameNumber) { 2268 Mutex::Autolock l(mRequestLock); 2269 ALOGV("RequestThread::%s:", __FUNCTION__); 2270 mRepeatingRequests.clear(); 2271 2272 // Decrement repeating frame count for those requests never sent to device 2273 // TODO: Remove this after we have proper error handling so these requests 2274 // will generate an error callback. This might be the only place calling 2275 // isRepeatingRequestLocked. If so, isRepeatingRequestLocked should also be removed. 2276 const RequestList &requests = mRequestQueue; 2277 for (RequestList::const_iterator it = requests.begin(); 2278 it != requests.end(); ++it) { 2279 if (isRepeatingRequestLocked(*it)) { 2280 mRepeatingLastFrameNumber--; 2281 } 2282 } 2283 mRequestQueue.clear(); 2284 mTriggerMap.clear(); 2285 if (lastFrameNumber != NULL) { 2286 *lastFrameNumber = mRepeatingLastFrameNumber; 2287 } 2288 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2289 return OK; 2290} 2291 2292void Camera3Device::RequestThread::setPaused(bool paused) { 2293 Mutex::Autolock l(mPauseLock); 2294 mDoPause = paused; 2295 mDoPauseSignal.signal(); 2296} 2297 2298status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2299 int32_t requestId, nsecs_t timeout) { 2300 Mutex::Autolock l(mLatestRequestMutex); 2301 status_t res; 2302 while (mLatestRequestId != requestId) { 2303 nsecs_t startTime = systemTime(); 2304 2305 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2306 if (res != OK) return res; 2307 2308 timeout -= (systemTime() - startTime); 2309 } 2310 2311 return OK; 2312} 2313 2314void Camera3Device::RequestThread::requestExit() { 2315 // Call parent to set up shutdown 2316 Thread::requestExit(); 2317 // The exit from any possible waits 2318 mDoPauseSignal.signal(); 2319 mRequestSignal.signal(); 2320} 2321 2322bool Camera3Device::RequestThread::threadLoop() { 2323 2324 status_t res; 2325 2326 // Handle paused state. 2327 if (waitIfPaused()) { 2328 return true; 2329 } 2330 2331 // Get work to do 2332 2333 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2334 if (nextRequest == NULL) { 2335 return true; 2336 } 2337 2338 // Create request to HAL 2339 camera3_capture_request_t request = camera3_capture_request_t(); 2340 request.frame_number = nextRequest->mResultExtras.frameNumber; 2341 Vector<camera3_stream_buffer_t> outputBuffers; 2342 2343 // Get the request ID, if any 2344 int requestId; 2345 camera_metadata_entry_t requestIdEntry = 2346 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2347 if (requestIdEntry.count > 0) { 2348 requestId = requestIdEntry.data.i32[0]; 2349 } else { 2350 ALOGW("%s: Did not have android.request.id set in the request", 2351 __FUNCTION__); 2352 requestId = NAME_NOT_FOUND; 2353 } 2354 2355 // Insert any queued triggers (before metadata is locked) 2356 int32_t triggerCount; 2357 res = insertTriggers(nextRequest); 2358 if (res < 0) { 2359 SET_ERR("RequestThread: Unable to insert triggers " 2360 "(capture request %d, HAL device: %s (%d)", 2361 request.frame_number, strerror(-res), res); 2362 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2363 return false; 2364 } 2365 triggerCount = res; 2366 2367 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2368 2369 // If the request is the same as last, or we had triggers last time 2370 if (mPrevRequest != nextRequest || triggersMixedIn) { 2371 /** 2372 * HAL workaround: 2373 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2374 */ 2375 res = addDummyTriggerIds(nextRequest); 2376 if (res != OK) { 2377 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2378 "(capture request %d, HAL device: %s (%d)", 2379 request.frame_number, strerror(-res), res); 2380 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2381 return false; 2382 } 2383 2384 /** 2385 * The request should be presorted so accesses in HAL 2386 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2387 */ 2388 nextRequest->mSettings.sort(); 2389 request.settings = nextRequest->mSettings.getAndLock(); 2390 mPrevRequest = nextRequest; 2391 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2392 2393 IF_ALOGV() { 2394 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2395 find_camera_metadata_ro_entry( 2396 request.settings, 2397 ANDROID_CONTROL_AF_TRIGGER, 2398 &e 2399 ); 2400 if (e.count > 0) { 2401 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2402 __FUNCTION__, 2403 request.frame_number, 2404 e.data.u8[0]); 2405 } 2406 } 2407 } else { 2408 // leave request.settings NULL to indicate 'reuse latest given' 2409 ALOGVV("%s: Request settings are REUSED", 2410 __FUNCTION__); 2411 } 2412 2413 camera3_stream_buffer_t inputBuffer; 2414 uint32_t totalNumBuffers = 0; 2415 2416 // Fill in buffers 2417 2418 if (nextRequest->mInputStream != NULL) { 2419 request.input_buffer = &inputBuffer; 2420 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2421 if (res != OK) { 2422 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2423 " %s (%d)", strerror(-res), res); 2424 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2425 return true; 2426 } 2427 totalNumBuffers += 1; 2428 } else { 2429 request.input_buffer = NULL; 2430 } 2431 2432 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2433 nextRequest->mOutputStreams.size()); 2434 request.output_buffers = outputBuffers.array(); 2435 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2436 res = nextRequest->mOutputStreams.editItemAt(i)-> 2437 getBuffer(&outputBuffers.editItemAt(i)); 2438 if (res != OK) { 2439 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2440 " %s (%d)", strerror(-res), res); 2441 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2442 return true; 2443 } 2444 request.num_output_buffers++; 2445 } 2446 totalNumBuffers += request.num_output_buffers; 2447 2448 // Log request in the in-flight queue 2449 sp<Camera3Device> parent = mParent.promote(); 2450 if (parent == NULL) { 2451 CLOGE("RequestThread: Parent is gone"); 2452 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2453 return false; 2454 } 2455 2456 res = parent->registerInFlight(request.frame_number, 2457 totalNumBuffers, nextRequest->mResultExtras, 2458 /*hasInput*/request.input_buffer != NULL); 2459 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2460 ", burstId = %" PRId32 ".", 2461 __FUNCTION__, 2462 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2463 nextRequest->mResultExtras.burstId); 2464 if (res != OK) { 2465 SET_ERR("RequestThread: Unable to register new in-flight request:" 2466 " %s (%d)", strerror(-res), res); 2467 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2468 return false; 2469 } 2470 2471 // Inform waitUntilRequestProcessed thread of a new request ID 2472 { 2473 Mutex::Autolock al(mLatestRequestMutex); 2474 2475 mLatestRequestId = requestId; 2476 mLatestRequestSignal.signal(); 2477 } 2478 2479 // Submit request and block until ready for next one 2480 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2481 ATRACE_BEGIN("camera3->process_capture_request"); 2482 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2483 ATRACE_END(); 2484 2485 if (res != OK) { 2486 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2487 " device: %s (%d)", request.frame_number, strerror(-res), res); 2488 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2489 return false; 2490 } 2491 2492 // Update the latest request sent to HAL 2493 if (request.settings != NULL) { // Don't update them if they were unchanged 2494 Mutex::Autolock al(mLatestRequestMutex); 2495 2496 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2497 mLatestRequest.acquire(cloned); 2498 } 2499 2500 if (request.settings != NULL) { 2501 nextRequest->mSettings.unlock(request.settings); 2502 } 2503 2504 // Remove any previously queued triggers (after unlock) 2505 res = removeTriggers(mPrevRequest); 2506 if (res != OK) { 2507 SET_ERR("RequestThread: Unable to remove triggers " 2508 "(capture request %d, HAL device: %s (%d)", 2509 request.frame_number, strerror(-res), res); 2510 return false; 2511 } 2512 mPrevTriggers = triggerCount; 2513 2514 return true; 2515} 2516 2517CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2518 Mutex::Autolock al(mLatestRequestMutex); 2519 2520 ALOGV("RequestThread::%s", __FUNCTION__); 2521 2522 return mLatestRequest; 2523} 2524 2525 2526void Camera3Device::RequestThread::cleanUpFailedRequest( 2527 camera3_capture_request_t &request, 2528 sp<CaptureRequest> &nextRequest, 2529 Vector<camera3_stream_buffer_t> &outputBuffers) { 2530 2531 if (request.settings != NULL) { 2532 nextRequest->mSettings.unlock(request.settings); 2533 } 2534 if (request.input_buffer != NULL) { 2535 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2536 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2537 } 2538 for (size_t i = 0; i < request.num_output_buffers; i++) { 2539 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2540 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2541 outputBuffers[i], 0); 2542 } 2543} 2544 2545sp<Camera3Device::CaptureRequest> 2546 Camera3Device::RequestThread::waitForNextRequest() { 2547 status_t res; 2548 sp<CaptureRequest> nextRequest; 2549 2550 // Optimized a bit for the simple steady-state case (single repeating 2551 // request), to avoid putting that request in the queue temporarily. 2552 Mutex::Autolock l(mRequestLock); 2553 2554 while (mRequestQueue.empty()) { 2555 if (!mRepeatingRequests.empty()) { 2556 // Always atomically enqueue all requests in a repeating request 2557 // list. Guarantees a complete in-sequence set of captures to 2558 // application. 2559 const RequestList &requests = mRepeatingRequests; 2560 RequestList::const_iterator firstRequest = 2561 requests.begin(); 2562 nextRequest = *firstRequest; 2563 mRequestQueue.insert(mRequestQueue.end(), 2564 ++firstRequest, 2565 requests.end()); 2566 // No need to wait any longer 2567 2568 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2569 2570 break; 2571 } 2572 2573 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2574 2575 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2576 exitPending()) { 2577 Mutex::Autolock pl(mPauseLock); 2578 if (mPaused == false) { 2579 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2580 mPaused = true; 2581 // Let the tracker know 2582 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2583 if (statusTracker != 0) { 2584 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2585 } 2586 } 2587 // Stop waiting for now and let thread management happen 2588 return NULL; 2589 } 2590 } 2591 2592 if (nextRequest == NULL) { 2593 // Don't have a repeating request already in hand, so queue 2594 // must have an entry now. 2595 RequestList::iterator firstRequest = 2596 mRequestQueue.begin(); 2597 nextRequest = *firstRequest; 2598 mRequestQueue.erase(firstRequest); 2599 } 2600 2601 // In case we've been unpaused by setPaused clearing mDoPause, need to 2602 // update internal pause state (capture/setRepeatingRequest unpause 2603 // directly). 2604 Mutex::Autolock pl(mPauseLock); 2605 if (mPaused) { 2606 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2607 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2608 if (statusTracker != 0) { 2609 statusTracker->markComponentActive(mStatusId); 2610 } 2611 } 2612 mPaused = false; 2613 2614 // Check if we've reconfigured since last time, and reset the preview 2615 // request if so. Can't use 'NULL request == repeat' across configure calls. 2616 if (mReconfigured) { 2617 mPrevRequest.clear(); 2618 mReconfigured = false; 2619 } 2620 2621 if (nextRequest != NULL) { 2622 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2623 } 2624 return nextRequest; 2625} 2626 2627bool Camera3Device::RequestThread::waitIfPaused() { 2628 status_t res; 2629 Mutex::Autolock l(mPauseLock); 2630 while (mDoPause) { 2631 if (mPaused == false) { 2632 mPaused = true; 2633 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2634 // Let the tracker know 2635 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2636 if (statusTracker != 0) { 2637 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2638 } 2639 } 2640 2641 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2642 if (res == TIMED_OUT || exitPending()) { 2643 return true; 2644 } 2645 } 2646 // We don't set mPaused to false here, because waitForNextRequest needs 2647 // to further manage the paused state in case of starvation. 2648 return false; 2649} 2650 2651void Camera3Device::RequestThread::unpauseForNewRequests() { 2652 // With work to do, mark thread as unpaused. 2653 // If paused by request (setPaused), don't resume, to avoid 2654 // extra signaling/waiting overhead to waitUntilPaused 2655 mRequestSignal.signal(); 2656 Mutex::Autolock p(mPauseLock); 2657 if (!mDoPause) { 2658 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2659 if (mPaused) { 2660 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2661 if (statusTracker != 0) { 2662 statusTracker->markComponentActive(mStatusId); 2663 } 2664 } 2665 mPaused = false; 2666 } 2667} 2668 2669void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2670 sp<Camera3Device> parent = mParent.promote(); 2671 if (parent != NULL) { 2672 va_list args; 2673 va_start(args, fmt); 2674 2675 parent->setErrorStateV(fmt, args); 2676 2677 va_end(args); 2678 } 2679} 2680 2681status_t Camera3Device::RequestThread::insertTriggers( 2682 const sp<CaptureRequest> &request) { 2683 2684 Mutex::Autolock al(mTriggerMutex); 2685 2686 sp<Camera3Device> parent = mParent.promote(); 2687 if (parent == NULL) { 2688 CLOGE("RequestThread: Parent is gone"); 2689 return DEAD_OBJECT; 2690 } 2691 2692 CameraMetadata &metadata = request->mSettings; 2693 size_t count = mTriggerMap.size(); 2694 2695 for (size_t i = 0; i < count; ++i) { 2696 RequestTrigger trigger = mTriggerMap.valueAt(i); 2697 uint32_t tag = trigger.metadataTag; 2698 2699 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2700 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2701 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2702 isAeTrigger ? request->mResultExtras.precaptureTriggerId = triggerId : 2703 request->mResultExtras.afTriggerId = triggerId; 2704 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2705 continue; // Trigger ID tag is deprecated since device HAL 3.2 2706 } 2707 } 2708 2709 camera_metadata_entry entry = metadata.find(tag); 2710 2711 if (entry.count > 0) { 2712 /** 2713 * Already has an entry for this trigger in the request. 2714 * Rewrite it with our requested trigger value. 2715 */ 2716 RequestTrigger oldTrigger = trigger; 2717 2718 oldTrigger.entryValue = entry.data.u8[0]; 2719 2720 mTriggerReplacedMap.add(tag, oldTrigger); 2721 } else { 2722 /** 2723 * More typical, no trigger entry, so we just add it 2724 */ 2725 mTriggerRemovedMap.add(tag, trigger); 2726 } 2727 2728 status_t res; 2729 2730 switch (trigger.getTagType()) { 2731 case TYPE_BYTE: { 2732 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2733 res = metadata.update(tag, 2734 &entryValue, 2735 /*count*/1); 2736 break; 2737 } 2738 case TYPE_INT32: 2739 res = metadata.update(tag, 2740 &trigger.entryValue, 2741 /*count*/1); 2742 break; 2743 default: 2744 ALOGE("%s: Type not supported: 0x%x", 2745 __FUNCTION__, 2746 trigger.getTagType()); 2747 return INVALID_OPERATION; 2748 } 2749 2750 if (res != OK) { 2751 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2752 ", value %d", __FUNCTION__, trigger.getTagName(), 2753 trigger.entryValue); 2754 return res; 2755 } 2756 2757 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2758 trigger.getTagName(), 2759 trigger.entryValue); 2760 } 2761 2762 mTriggerMap.clear(); 2763 2764 return count; 2765} 2766 2767status_t Camera3Device::RequestThread::removeTriggers( 2768 const sp<CaptureRequest> &request) { 2769 Mutex::Autolock al(mTriggerMutex); 2770 2771 CameraMetadata &metadata = request->mSettings; 2772 2773 /** 2774 * Replace all old entries with their old values. 2775 */ 2776 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2777 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2778 2779 status_t res; 2780 2781 uint32_t tag = trigger.metadataTag; 2782 switch (trigger.getTagType()) { 2783 case TYPE_BYTE: { 2784 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2785 res = metadata.update(tag, 2786 &entryValue, 2787 /*count*/1); 2788 break; 2789 } 2790 case TYPE_INT32: 2791 res = metadata.update(tag, 2792 &trigger.entryValue, 2793 /*count*/1); 2794 break; 2795 default: 2796 ALOGE("%s: Type not supported: 0x%x", 2797 __FUNCTION__, 2798 trigger.getTagType()); 2799 return INVALID_OPERATION; 2800 } 2801 2802 if (res != OK) { 2803 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2804 ", trigger value %d", __FUNCTION__, 2805 trigger.getTagName(), trigger.entryValue); 2806 return res; 2807 } 2808 } 2809 mTriggerReplacedMap.clear(); 2810 2811 /** 2812 * Remove all new entries. 2813 */ 2814 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2815 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2816 status_t res = metadata.erase(trigger.metadataTag); 2817 2818 if (res != OK) { 2819 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2820 ", trigger value %d", __FUNCTION__, 2821 trigger.getTagName(), trigger.entryValue); 2822 return res; 2823 } 2824 } 2825 mTriggerRemovedMap.clear(); 2826 2827 return OK; 2828} 2829 2830status_t Camera3Device::RequestThread::addDummyTriggerIds( 2831 const sp<CaptureRequest> &request) { 2832 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2833 static const int32_t dummyTriggerId = 1; 2834 status_t res; 2835 2836 CameraMetadata &metadata = request->mSettings; 2837 2838 // If AF trigger is active, insert a dummy AF trigger ID if none already 2839 // exists 2840 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2841 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2842 if (afTrigger.count > 0 && 2843 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2844 afId.count == 0) { 2845 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2846 if (res != OK) return res; 2847 } 2848 2849 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2850 // if none already exists 2851 camera_metadata_entry pcTrigger = 2852 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2853 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2854 if (pcTrigger.count > 0 && 2855 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2856 pcId.count == 0) { 2857 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2858 &dummyTriggerId, 1); 2859 if (res != OK) return res; 2860 } 2861 2862 return OK; 2863} 2864 2865 2866/** 2867 * Static callback forwarding methods from HAL to instance 2868 */ 2869 2870void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2871 const camera3_capture_result *result) { 2872 Camera3Device *d = 2873 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2874 d->processCaptureResult(result); 2875} 2876 2877void Camera3Device::sNotify(const camera3_callback_ops *cb, 2878 const camera3_notify_msg *msg) { 2879 Camera3Device *d = 2880 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2881 d->notify(msg); 2882} 2883 2884}; // namespace android 2885