Camera3Device.cpp revision f0d962a6737eb8eec002d6804d9ffbe7bee672a0
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "Camera3-Device" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20//#define LOG_NNDEBUG 0 // Per-frame verbose logging 21 22#ifdef LOG_NNDEBUG 23#define ALOGVV(...) ALOGV(__VA_ARGS__) 24#else 25#define ALOGVV(...) ((void)0) 26#endif 27 28// Convenience macro for transient errors 29#define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ 30 ##__VA_ARGS__) 31 32// Convenience macros for transitioning to the error state 33#define SET_ERR(fmt, ...) setErrorState( \ 34 "%s: " fmt, __FUNCTION__, \ 35 ##__VA_ARGS__) 36#define SET_ERR_L(fmt, ...) setErrorStateLocked( \ 37 "%s: " fmt, __FUNCTION__, \ 38 ##__VA_ARGS__) 39 40#include <inttypes.h> 41 42#include <utils/Log.h> 43#include <utils/Trace.h> 44#include <utils/Timers.h> 45 46#include "utils/CameraTraces.h" 47#include "device3/Camera3Device.h" 48#include "device3/Camera3OutputStream.h" 49#include "device3/Camera3InputStream.h" 50#include "device3/Camera3ZslStream.h" 51 52using namespace android::camera3; 53 54namespace android { 55 56Camera3Device::Camera3Device(int id): 57 mId(id), 58 mHal3Device(NULL), 59 mStatus(STATUS_UNINITIALIZED), 60 mUsePartialResultQuirk(false), 61 mNextResultFrameNumber(0), 62 mNextShutterFrameNumber(0), 63 mListener(NULL) 64{ 65 ATRACE_CALL(); 66 camera3_callback_ops::notify = &sNotify; 67 camera3_callback_ops::process_capture_result = &sProcessCaptureResult; 68 ALOGV("%s: Created device for camera %d", __FUNCTION__, id); 69} 70 71Camera3Device::~Camera3Device() 72{ 73 ATRACE_CALL(); 74 ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); 75 disconnect(); 76} 77 78int Camera3Device::getId() const { 79 return mId; 80} 81 82/** 83 * CameraDeviceBase interface 84 */ 85 86status_t Camera3Device::initialize(camera_module_t *module) 87{ 88 ATRACE_CALL(); 89 Mutex::Autolock il(mInterfaceLock); 90 Mutex::Autolock l(mLock); 91 92 ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); 93 if (mStatus != STATUS_UNINITIALIZED) { 94 CLOGE("Already initialized!"); 95 return INVALID_OPERATION; 96 } 97 98 /** Open HAL device */ 99 100 status_t res; 101 String8 deviceName = String8::format("%d", mId); 102 103 camera3_device_t *device; 104 105 ATRACE_BEGIN("camera3->open"); 106 res = module->common.methods->open(&module->common, deviceName.string(), 107 reinterpret_cast<hw_device_t**>(&device)); 108 ATRACE_END(); 109 110 if (res != OK) { 111 SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); 112 return res; 113 } 114 115 /** Cross-check device version */ 116 if (device->common.version < CAMERA_DEVICE_API_VERSION_3_0) { 117 SET_ERR_L("Could not open camera: " 118 "Camera device should be at least %x, reports %x instead", 119 CAMERA_DEVICE_API_VERSION_3_0, 120 device->common.version); 121 device->common.close(&device->common); 122 return BAD_VALUE; 123 } 124 125 camera_info info; 126 res = module->get_camera_info(mId, &info); 127 if (res != OK) return res; 128 129 if (info.device_version != device->common.version) { 130 SET_ERR_L("HAL reporting mismatched camera_info version (%x)" 131 " and device version (%x).", 132 info.device_version, device->common.version); 133 device->common.close(&device->common); 134 return BAD_VALUE; 135 } 136 137 /** Initialize device with callback functions */ 138 139 ATRACE_BEGIN("camera3->initialize"); 140 res = device->ops->initialize(device, this); 141 ATRACE_END(); 142 143 if (res != OK) { 144 SET_ERR_L("Unable to initialize HAL device: %s (%d)", 145 strerror(-res), res); 146 device->common.close(&device->common); 147 return BAD_VALUE; 148 } 149 150 /** Start up status tracker thread */ 151 mStatusTracker = new StatusTracker(this); 152 res = mStatusTracker->run(String8::format("C3Dev-%d-Status", mId).string()); 153 if (res != OK) { 154 SET_ERR_L("Unable to start status tracking thread: %s (%d)", 155 strerror(-res), res); 156 device->common.close(&device->common); 157 mStatusTracker.clear(); 158 return res; 159 } 160 161 /** Start up request queue thread */ 162 163 mRequestThread = new RequestThread(this, mStatusTracker, device); 164 res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); 165 if (res != OK) { 166 SET_ERR_L("Unable to start request queue thread: %s (%d)", 167 strerror(-res), res); 168 device->common.close(&device->common); 169 mRequestThread.clear(); 170 return res; 171 } 172 173 /** Everything is good to go */ 174 175 mDeviceVersion = device->common.version; 176 mDeviceInfo = info.static_camera_characteristics; 177 mHal3Device = device; 178 mStatus = STATUS_UNCONFIGURED; 179 mNextStreamId = 0; 180 mNeedConfig = true; 181 mPauseStateNotify = false; 182 183 /** Check for quirks */ 184 185 // Will the HAL be sending in early partial result metadata? 186 camera_metadata_entry partialResultsQuirk = 187 mDeviceInfo.find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 188 if (partialResultsQuirk.count > 0 && partialResultsQuirk.data.u8[0] == 1) { 189 mUsePartialResultQuirk = true; 190 } 191 192 return OK; 193} 194 195status_t Camera3Device::disconnect() { 196 ATRACE_CALL(); 197 Mutex::Autolock il(mInterfaceLock); 198 199 ALOGV("%s: E", __FUNCTION__); 200 201 status_t res = OK; 202 203 { 204 Mutex::Autolock l(mLock); 205 if (mStatus == STATUS_UNINITIALIZED) return res; 206 207 if (mStatus == STATUS_ACTIVE || 208 (mStatus == STATUS_ERROR && mRequestThread != NULL)) { 209 res = mRequestThread->clearRepeatingRequests(); 210 if (res != OK) { 211 SET_ERR_L("Can't stop streaming"); 212 // Continue to close device even in case of error 213 } else { 214 res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 215 if (res != OK) { 216 SET_ERR_L("Timeout waiting for HAL to drain"); 217 // Continue to close device even in case of error 218 } 219 } 220 } 221 222 if (mStatus == STATUS_ERROR) { 223 CLOGE("Shutting down in an error state"); 224 } 225 226 if (mStatusTracker != NULL) { 227 mStatusTracker->requestExit(); 228 } 229 230 if (mRequestThread != NULL) { 231 mRequestThread->requestExit(); 232 } 233 234 mOutputStreams.clear(); 235 mInputStream.clear(); 236 } 237 238 // Joining done without holding mLock, otherwise deadlocks may ensue 239 // as the threads try to access parent state 240 if (mRequestThread != NULL && mStatus != STATUS_ERROR) { 241 // HAL may be in a bad state, so waiting for request thread 242 // (which may be stuck in the HAL processCaptureRequest call) 243 // could be dangerous. 244 mRequestThread->join(); 245 } 246 247 if (mStatusTracker != NULL) { 248 mStatusTracker->join(); 249 } 250 251 { 252 Mutex::Autolock l(mLock); 253 254 mRequestThread.clear(); 255 mStatusTracker.clear(); 256 257 if (mHal3Device != NULL) { 258 ATRACE_BEGIN("camera3->close"); 259 mHal3Device->common.close(&mHal3Device->common); 260 ATRACE_END(); 261 mHal3Device = NULL; 262 } 263 264 mStatus = STATUS_UNINITIALIZED; 265 } 266 267 ALOGV("%s: X", __FUNCTION__); 268 return res; 269} 270 271// For dumping/debugging only - 272// try to acquire a lock a few times, eventually give up to proceed with 273// debug/dump operations 274bool Camera3Device::tryLockSpinRightRound(Mutex& lock) { 275 bool gotLock = false; 276 for (size_t i = 0; i < kDumpLockAttempts; ++i) { 277 if (lock.tryLock() == NO_ERROR) { 278 gotLock = true; 279 break; 280 } else { 281 usleep(kDumpSleepDuration); 282 } 283 } 284 return gotLock; 285} 286 287Camera3Device::Size Camera3Device::getMaxJpegResolution() const { 288 int32_t maxJpegWidth = 0, maxJpegHeight = 0; 289 if (mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 290 const int STREAM_CONFIGURATION_SIZE = 4; 291 const int STREAM_FORMAT_OFFSET = 0; 292 const int STREAM_WIDTH_OFFSET = 1; 293 const int STREAM_HEIGHT_OFFSET = 2; 294 const int STREAM_IS_INPUT_OFFSET = 3; 295 camera_metadata_ro_entry_t availableStreamConfigs = 296 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 297 if (availableStreamConfigs.count == 0 || 298 availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) { 299 return Size(0, 0); 300 } 301 302 // Get max jpeg size (area-wise). 303 for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 304 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 305 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 306 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 307 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 308 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT 309 && format == HAL_PIXEL_FORMAT_BLOB && 310 (width * height > maxJpegWidth * maxJpegHeight)) { 311 maxJpegWidth = width; 312 maxJpegHeight = height; 313 } 314 } 315 } else { 316 camera_metadata_ro_entry availableJpegSizes = 317 mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 318 if (availableJpegSizes.count == 0 || availableJpegSizes.count % 2 != 0) { 319 return Size(0, 0); 320 } 321 322 // Get max jpeg size (area-wise). 323 for (size_t i = 0; i < availableJpegSizes.count; i += 2) { 324 if ((availableJpegSizes.data.i32[i] * availableJpegSizes.data.i32[i + 1]) 325 > (maxJpegWidth * maxJpegHeight)) { 326 maxJpegWidth = availableJpegSizes.data.i32[i]; 327 maxJpegHeight = availableJpegSizes.data.i32[i + 1]; 328 } 329 } 330 } 331 return Size(maxJpegWidth, maxJpegHeight); 332} 333 334ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const { 335 // Get max jpeg size (area-wise). 336 Size maxJpegResolution = getMaxJpegResolution(); 337 if (maxJpegResolution.width == 0) { 338 ALOGE("%s: Camera %d: Can't find find valid available jpeg sizes in static metadata!", 339 __FUNCTION__, mId); 340 return BAD_VALUE; 341 } 342 343 // Get max jpeg buffer size 344 ssize_t maxJpegBufferSize = 0; 345 camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE); 346 if (jpegBufMaxSize.count == 0) { 347 ALOGE("%s: Camera %d: Can't find maximum JPEG size in static metadata!", __FUNCTION__, mId); 348 return BAD_VALUE; 349 } 350 maxJpegBufferSize = jpegBufMaxSize.data.i32[0]; 351 352 // Calculate final jpeg buffer size for the given resolution. 353 float scaleFactor = ((float) (width * height)) / 354 (maxJpegResolution.width * maxJpegResolution.height); 355 ssize_t jpegBufferSize = scaleFactor * maxJpegBufferSize; 356 // Bound the buffer size to [MIN_JPEG_BUFFER_SIZE, maxJpegBufferSize]. 357 if (jpegBufferSize > maxJpegBufferSize) { 358 jpegBufferSize = maxJpegBufferSize; 359 } else if (jpegBufferSize < kMinJpegBufferSize) { 360 jpegBufferSize = kMinJpegBufferSize; 361 } 362 363 return jpegBufferSize; 364} 365 366status_t Camera3Device::dump(int fd, const Vector<String16> &args) { 367 ATRACE_CALL(); 368 (void)args; 369 370 // Try to lock, but continue in case of failure (to avoid blocking in 371 // deadlocks) 372 bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock); 373 bool gotLock = tryLockSpinRightRound(mLock); 374 375 ALOGW_IF(!gotInterfaceLock, 376 "Camera %d: %s: Unable to lock interface lock, proceeding anyway", 377 mId, __FUNCTION__); 378 ALOGW_IF(!gotLock, 379 "Camera %d: %s: Unable to lock main lock, proceeding anyway", 380 mId, __FUNCTION__); 381 382 String8 lines; 383 384 const char *status = 385 mStatus == STATUS_ERROR ? "ERROR" : 386 mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : 387 mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" : 388 mStatus == STATUS_CONFIGURED ? "CONFIGURED" : 389 mStatus == STATUS_ACTIVE ? "ACTIVE" : 390 "Unknown"; 391 392 lines.appendFormat(" Device status: %s\n", status); 393 if (mStatus == STATUS_ERROR) { 394 lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); 395 } 396 lines.appendFormat(" Stream configuration:\n"); 397 398 if (mInputStream != NULL) { 399 write(fd, lines.string(), lines.size()); 400 mInputStream->dump(fd, args); 401 } else { 402 lines.appendFormat(" No input stream.\n"); 403 write(fd, lines.string(), lines.size()); 404 } 405 for (size_t i = 0; i < mOutputStreams.size(); i++) { 406 mOutputStreams[i]->dump(fd,args); 407 } 408 409 lines = String8(" In-flight requests:\n"); 410 if (mInFlightMap.size() == 0) { 411 lines.append(" None\n"); 412 } else { 413 for (size_t i = 0; i < mInFlightMap.size(); i++) { 414 InFlightRequest r = mInFlightMap.valueAt(i); 415 lines.appendFormat(" Frame %d | Timestamp: %" PRId64 ", metadata" 416 " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), 417 r.captureTimestamp, r.haveResultMetadata ? "true" : "false", 418 r.numBuffersLeft); 419 } 420 } 421 write(fd, lines.string(), lines.size()); 422 423 { 424 lines = String8(" Last request sent:\n"); 425 write(fd, lines.string(), lines.size()); 426 427 CameraMetadata lastRequest = getLatestRequestLocked(); 428 lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6); 429 } 430 431 if (mHal3Device != NULL) { 432 lines = String8(" HAL device dump:\n"); 433 write(fd, lines.string(), lines.size()); 434 mHal3Device->ops->dump(mHal3Device, fd); 435 } 436 437 if (gotLock) mLock.unlock(); 438 if (gotInterfaceLock) mInterfaceLock.unlock(); 439 440 return OK; 441} 442 443const CameraMetadata& Camera3Device::info() const { 444 ALOGVV("%s: E", __FUNCTION__); 445 if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || 446 mStatus == STATUS_ERROR)) { 447 ALOGW("%s: Access to static info %s!", __FUNCTION__, 448 mStatus == STATUS_ERROR ? 449 "when in error state" : "before init"); 450 } 451 return mDeviceInfo; 452} 453 454status_t Camera3Device::checkStatusOkToCaptureLocked() { 455 switch (mStatus) { 456 case STATUS_ERROR: 457 CLOGE("Device has encountered a serious error"); 458 return INVALID_OPERATION; 459 case STATUS_UNINITIALIZED: 460 CLOGE("Device not initialized"); 461 return INVALID_OPERATION; 462 case STATUS_UNCONFIGURED: 463 case STATUS_CONFIGURED: 464 case STATUS_ACTIVE: 465 // OK 466 break; 467 default: 468 SET_ERR_L("Unexpected status: %d", mStatus); 469 return INVALID_OPERATION; 470 } 471 return OK; 472} 473 474status_t Camera3Device::convertMetadataListToRequestListLocked( 475 const List<const CameraMetadata> &metadataList, RequestList *requestList) { 476 if (requestList == NULL) { 477 CLOGE("requestList cannot be NULL."); 478 return BAD_VALUE; 479 } 480 481 int32_t burstId = 0; 482 for (List<const CameraMetadata>::const_iterator it = metadataList.begin(); 483 it != metadataList.end(); ++it) { 484 sp<CaptureRequest> newRequest = setUpRequestLocked(*it); 485 if (newRequest == 0) { 486 CLOGE("Can't create capture request"); 487 return BAD_VALUE; 488 } 489 490 // Setup burst Id and request Id 491 newRequest->mResultExtras.burstId = burstId++; 492 if (it->exists(ANDROID_REQUEST_ID)) { 493 if (it->find(ANDROID_REQUEST_ID).count == 0) { 494 CLOGE("RequestID entry exists; but must not be empty in metadata"); 495 return BAD_VALUE; 496 } 497 newRequest->mResultExtras.requestId = it->find(ANDROID_REQUEST_ID).data.i32[0]; 498 } else { 499 CLOGE("RequestID does not exist in metadata"); 500 return BAD_VALUE; 501 } 502 503 requestList->push_back(newRequest); 504 505 ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId); 506 } 507 return OK; 508} 509 510status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) { 511 ATRACE_CALL(); 512 513 List<const CameraMetadata> requests; 514 requests.push_back(request); 515 return captureList(requests, /*lastFrameNumber*/NULL); 516} 517 518status_t Camera3Device::submitRequestsHelper( 519 const List<const CameraMetadata> &requests, bool repeating, 520 /*out*/ 521 int64_t *lastFrameNumber) { 522 ATRACE_CALL(); 523 Mutex::Autolock il(mInterfaceLock); 524 Mutex::Autolock l(mLock); 525 526 status_t res = checkStatusOkToCaptureLocked(); 527 if (res != OK) { 528 // error logged by previous call 529 return res; 530 } 531 532 RequestList requestList; 533 534 res = convertMetadataListToRequestListLocked(requests, /*out*/&requestList); 535 if (res != OK) { 536 // error logged by previous call 537 return res; 538 } 539 540 if (repeating) { 541 res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber); 542 } else { 543 res = mRequestThread->queueRequestList(requestList, lastFrameNumber); 544 } 545 546 if (res == OK) { 547 waitUntilStateThenRelock(/*active*/true, kActiveTimeout); 548 if (res != OK) { 549 SET_ERR_L("Can't transition to active in %f seconds!", 550 kActiveTimeout/1e9); 551 } 552 ALOGV("Camera %d: Capture request %" PRId32 " enqueued", mId, 553 (*(requestList.begin()))->mResultExtras.requestId); 554 } else { 555 CLOGE("Cannot queue request. Impossible."); 556 return BAD_VALUE; 557 } 558 559 return res; 560} 561 562status_t Camera3Device::captureList(const List<const CameraMetadata> &requests, 563 int64_t *lastFrameNumber) { 564 ATRACE_CALL(); 565 566 return submitRequestsHelper(requests, /*repeating*/false, lastFrameNumber); 567} 568 569status_t Camera3Device::setStreamingRequest(const CameraMetadata &request, 570 int64_t* /*lastFrameNumber*/) { 571 ATRACE_CALL(); 572 573 List<const CameraMetadata> requests; 574 requests.push_back(request); 575 return setStreamingRequestList(requests, /*lastFrameNumber*/NULL); 576} 577 578status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests, 579 int64_t *lastFrameNumber) { 580 ATRACE_CALL(); 581 582 return submitRequestsHelper(requests, /*repeating*/true, lastFrameNumber); 583} 584 585sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( 586 const CameraMetadata &request) { 587 status_t res; 588 589 if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) { 590 res = configureStreamsLocked(); 591 if (res != OK) { 592 SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); 593 return NULL; 594 } 595 if (mStatus == STATUS_UNCONFIGURED) { 596 CLOGE("No streams configured"); 597 return NULL; 598 } 599 } 600 601 sp<CaptureRequest> newRequest = createCaptureRequest(request); 602 return newRequest; 603} 604 605status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) { 606 ATRACE_CALL(); 607 Mutex::Autolock il(mInterfaceLock); 608 Mutex::Autolock l(mLock); 609 610 switch (mStatus) { 611 case STATUS_ERROR: 612 CLOGE("Device has encountered a serious error"); 613 return INVALID_OPERATION; 614 case STATUS_UNINITIALIZED: 615 CLOGE("Device not initialized"); 616 return INVALID_OPERATION; 617 case STATUS_UNCONFIGURED: 618 case STATUS_CONFIGURED: 619 case STATUS_ACTIVE: 620 // OK 621 break; 622 default: 623 SET_ERR_L("Unexpected status: %d", mStatus); 624 return INVALID_OPERATION; 625 } 626 ALOGV("Camera %d: Clearing repeating request", mId); 627 628 return mRequestThread->clearRepeatingRequests(lastFrameNumber); 629} 630 631status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { 632 ATRACE_CALL(); 633 Mutex::Autolock il(mInterfaceLock); 634 635 return mRequestThread->waitUntilRequestProcessed(requestId, timeout); 636} 637 638status_t Camera3Device::createInputStream( 639 uint32_t width, uint32_t height, int format, int *id) { 640 ATRACE_CALL(); 641 Mutex::Autolock il(mInterfaceLock); 642 Mutex::Autolock l(mLock); 643 ALOGV("Camera %d: Creating new input stream %d: %d x %d, format %d", 644 mId, mNextStreamId, width, height, format); 645 646 status_t res; 647 bool wasActive = false; 648 649 switch (mStatus) { 650 case STATUS_ERROR: 651 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 652 return INVALID_OPERATION; 653 case STATUS_UNINITIALIZED: 654 ALOGE("%s: Device not initialized", __FUNCTION__); 655 return INVALID_OPERATION; 656 case STATUS_UNCONFIGURED: 657 case STATUS_CONFIGURED: 658 // OK 659 break; 660 case STATUS_ACTIVE: 661 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 662 res = internalPauseAndWaitLocked(); 663 if (res != OK) { 664 SET_ERR_L("Can't pause captures to reconfigure streams!"); 665 return res; 666 } 667 wasActive = true; 668 break; 669 default: 670 SET_ERR_L("%s: Unexpected status: %d", mStatus); 671 return INVALID_OPERATION; 672 } 673 assert(mStatus != STATUS_ACTIVE); 674 675 if (mInputStream != 0) { 676 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 677 return INVALID_OPERATION; 678 } 679 680 sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, 681 width, height, format); 682 newStream->setStatusTracker(mStatusTracker); 683 684 mInputStream = newStream; 685 686 *id = mNextStreamId++; 687 688 // Continue captures if active at start 689 if (wasActive) { 690 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 691 res = configureStreamsLocked(); 692 if (res != OK) { 693 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 694 __FUNCTION__, mNextStreamId, strerror(-res), res); 695 return res; 696 } 697 internalResumeLocked(); 698 } 699 700 ALOGV("Camera %d: Created input stream", mId); 701 return OK; 702} 703 704 705status_t Camera3Device::createZslStream( 706 uint32_t width, uint32_t height, 707 int depth, 708 /*out*/ 709 int *id, 710 sp<Camera3ZslStream>* zslStream) { 711 ATRACE_CALL(); 712 Mutex::Autolock il(mInterfaceLock); 713 Mutex::Autolock l(mLock); 714 ALOGV("Camera %d: Creating ZSL stream %d: %d x %d, depth %d", 715 mId, mNextStreamId, width, height, depth); 716 717 status_t res; 718 bool wasActive = false; 719 720 switch (mStatus) { 721 case STATUS_ERROR: 722 ALOGE("%s: Device has encountered a serious error", __FUNCTION__); 723 return INVALID_OPERATION; 724 case STATUS_UNINITIALIZED: 725 ALOGE("%s: Device not initialized", __FUNCTION__); 726 return INVALID_OPERATION; 727 case STATUS_UNCONFIGURED: 728 case STATUS_CONFIGURED: 729 // OK 730 break; 731 case STATUS_ACTIVE: 732 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 733 res = internalPauseAndWaitLocked(); 734 if (res != OK) { 735 SET_ERR_L("Can't pause captures to reconfigure streams!"); 736 return res; 737 } 738 wasActive = true; 739 break; 740 default: 741 SET_ERR_L("Unexpected status: %d", mStatus); 742 return INVALID_OPERATION; 743 } 744 assert(mStatus != STATUS_ACTIVE); 745 746 if (mInputStream != 0) { 747 ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); 748 return INVALID_OPERATION; 749 } 750 751 sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, 752 width, height, depth); 753 newStream->setStatusTracker(mStatusTracker); 754 755 res = mOutputStreams.add(mNextStreamId, newStream); 756 if (res < 0) { 757 ALOGE("%s: Can't add new stream to set: %s (%d)", 758 __FUNCTION__, strerror(-res), res); 759 return res; 760 } 761 mInputStream = newStream; 762 763 mNeedConfig = true; 764 765 *id = mNextStreamId++; 766 *zslStream = newStream; 767 768 // Continue captures if active at start 769 if (wasActive) { 770 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 771 res = configureStreamsLocked(); 772 if (res != OK) { 773 ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", 774 __FUNCTION__, mNextStreamId, strerror(-res), res); 775 return res; 776 } 777 internalResumeLocked(); 778 } 779 780 ALOGV("Camera %d: Created ZSL stream", mId); 781 return OK; 782} 783 784status_t Camera3Device::createStream(sp<ANativeWindow> consumer, 785 uint32_t width, uint32_t height, int format, size_t size, int *id) { 786 ATRACE_CALL(); 787 Mutex::Autolock il(mInterfaceLock); 788 Mutex::Autolock l(mLock); 789 ALOGV("Camera %d: Creating new stream %d: %d x %d, format %d, size %zu", 790 mId, mNextStreamId, width, height, format, size); 791 792 status_t res; 793 bool wasActive = false; 794 795 switch (mStatus) { 796 case STATUS_ERROR: 797 CLOGE("Device has encountered a serious error"); 798 return INVALID_OPERATION; 799 case STATUS_UNINITIALIZED: 800 CLOGE("Device not initialized"); 801 return INVALID_OPERATION; 802 case STATUS_UNCONFIGURED: 803 case STATUS_CONFIGURED: 804 // OK 805 break; 806 case STATUS_ACTIVE: 807 ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); 808 res = internalPauseAndWaitLocked(); 809 if (res != OK) { 810 SET_ERR_L("Can't pause captures to reconfigure streams!"); 811 return res; 812 } 813 wasActive = true; 814 break; 815 default: 816 SET_ERR_L("Unexpected status: %d", mStatus); 817 return INVALID_OPERATION; 818 } 819 assert(mStatus != STATUS_ACTIVE); 820 821 sp<Camera3OutputStream> newStream; 822 if (format == HAL_PIXEL_FORMAT_BLOB) { 823 ssize_t jpegBufferSize = getJpegBufferSize(width, height); 824 if (jpegBufferSize > 0) { 825 ALOGV("%s: Overwrite Jpeg output buffer size from %zu to %zu", 826 __FUNCTION__, size, jpegBufferSize); 827 } else { 828 SET_ERR_L("Invalid jpeg buffer size %zd", jpegBufferSize); 829 return BAD_VALUE; 830 } 831 832 newStream = new Camera3OutputStream(mNextStreamId, consumer, 833 width, height, jpegBufferSize, format); 834 } else { 835 newStream = new Camera3OutputStream(mNextStreamId, consumer, 836 width, height, format); 837 } 838 newStream->setStatusTracker(mStatusTracker); 839 840 res = mOutputStreams.add(mNextStreamId, newStream); 841 if (res < 0) { 842 SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); 843 return res; 844 } 845 846 *id = mNextStreamId++; 847 mNeedConfig = true; 848 849 // Continue captures if active at start 850 if (wasActive) { 851 ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); 852 res = configureStreamsLocked(); 853 if (res != OK) { 854 CLOGE("Can't reconfigure device for new stream %d: %s (%d)", 855 mNextStreamId, strerror(-res), res); 856 return res; 857 } 858 internalResumeLocked(); 859 } 860 ALOGV("Camera %d: Created new stream", mId); 861 return OK; 862} 863 864status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { 865 ATRACE_CALL(); 866 (void)outputId; (void)id; 867 868 CLOGE("Unimplemented"); 869 return INVALID_OPERATION; 870} 871 872 873status_t Camera3Device::getStreamInfo(int id, 874 uint32_t *width, uint32_t *height, uint32_t *format) { 875 ATRACE_CALL(); 876 Mutex::Autolock il(mInterfaceLock); 877 Mutex::Autolock l(mLock); 878 879 switch (mStatus) { 880 case STATUS_ERROR: 881 CLOGE("Device has encountered a serious error"); 882 return INVALID_OPERATION; 883 case STATUS_UNINITIALIZED: 884 CLOGE("Device not initialized!"); 885 return INVALID_OPERATION; 886 case STATUS_UNCONFIGURED: 887 case STATUS_CONFIGURED: 888 case STATUS_ACTIVE: 889 // OK 890 break; 891 default: 892 SET_ERR_L("Unexpected status: %d", mStatus); 893 return INVALID_OPERATION; 894 } 895 896 ssize_t idx = mOutputStreams.indexOfKey(id); 897 if (idx == NAME_NOT_FOUND) { 898 CLOGE("Stream %d is unknown", id); 899 return idx; 900 } 901 902 if (width) *width = mOutputStreams[idx]->getWidth(); 903 if (height) *height = mOutputStreams[idx]->getHeight(); 904 if (format) *format = mOutputStreams[idx]->getFormat(); 905 906 return OK; 907} 908 909status_t Camera3Device::setStreamTransform(int id, 910 int transform) { 911 ATRACE_CALL(); 912 Mutex::Autolock il(mInterfaceLock); 913 Mutex::Autolock l(mLock); 914 915 switch (mStatus) { 916 case STATUS_ERROR: 917 CLOGE("Device has encountered a serious error"); 918 return INVALID_OPERATION; 919 case STATUS_UNINITIALIZED: 920 CLOGE("Device not initialized"); 921 return INVALID_OPERATION; 922 case STATUS_UNCONFIGURED: 923 case STATUS_CONFIGURED: 924 case STATUS_ACTIVE: 925 // OK 926 break; 927 default: 928 SET_ERR_L("Unexpected status: %d", mStatus); 929 return INVALID_OPERATION; 930 } 931 932 ssize_t idx = mOutputStreams.indexOfKey(id); 933 if (idx == NAME_NOT_FOUND) { 934 CLOGE("Stream %d does not exist", 935 id); 936 return BAD_VALUE; 937 } 938 939 return mOutputStreams.editValueAt(idx)->setTransform(transform); 940} 941 942status_t Camera3Device::deleteStream(int id) { 943 ATRACE_CALL(); 944 Mutex::Autolock il(mInterfaceLock); 945 Mutex::Autolock l(mLock); 946 status_t res; 947 948 ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); 949 950 // CameraDevice semantics require device to already be idle before 951 // deleteStream is called, unlike for createStream. 952 if (mStatus == STATUS_ACTIVE) { 953 ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); 954 return -EBUSY; 955 } 956 957 sp<Camera3StreamInterface> deletedStream; 958 ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id); 959 if (mInputStream != NULL && id == mInputStream->getId()) { 960 deletedStream = mInputStream; 961 mInputStream.clear(); 962 } else { 963 if (outputStreamIdx == NAME_NOT_FOUND) { 964 CLOGE("Stream %d does not exist", id); 965 return BAD_VALUE; 966 } 967 } 968 969 // Delete output stream or the output part of a bi-directional stream. 970 if (outputStreamIdx != NAME_NOT_FOUND) { 971 deletedStream = mOutputStreams.editValueAt(outputStreamIdx); 972 mOutputStreams.removeItem(id); 973 } 974 975 // Free up the stream endpoint so that it can be used by some other stream 976 res = deletedStream->disconnect(); 977 if (res != OK) { 978 SET_ERR_L("Can't disconnect deleted stream %d", id); 979 // fall through since we want to still list the stream as deleted. 980 } 981 mDeletedStreams.add(deletedStream); 982 mNeedConfig = true; 983 984 return res; 985} 986 987status_t Camera3Device::deleteReprocessStream(int id) { 988 ATRACE_CALL(); 989 (void)id; 990 991 CLOGE("Unimplemented"); 992 return INVALID_OPERATION; 993} 994 995 996status_t Camera3Device::createDefaultRequest(int templateId, 997 CameraMetadata *request) { 998 ATRACE_CALL(); 999 ALOGV("%s: for template %d", __FUNCTION__, templateId); 1000 Mutex::Autolock il(mInterfaceLock); 1001 Mutex::Autolock l(mLock); 1002 1003 switch (mStatus) { 1004 case STATUS_ERROR: 1005 CLOGE("Device has encountered a serious error"); 1006 return INVALID_OPERATION; 1007 case STATUS_UNINITIALIZED: 1008 CLOGE("Device is not initialized!"); 1009 return INVALID_OPERATION; 1010 case STATUS_UNCONFIGURED: 1011 case STATUS_CONFIGURED: 1012 case STATUS_ACTIVE: 1013 // OK 1014 break; 1015 default: 1016 SET_ERR_L("Unexpected status: %d", mStatus); 1017 return INVALID_OPERATION; 1018 } 1019 1020 const camera_metadata_t *rawRequest; 1021 ATRACE_BEGIN("camera3->construct_default_request_settings"); 1022 rawRequest = mHal3Device->ops->construct_default_request_settings( 1023 mHal3Device, templateId); 1024 ATRACE_END(); 1025 if (rawRequest == NULL) { 1026 SET_ERR_L("HAL is unable to construct default settings for template %d", 1027 templateId); 1028 return DEAD_OBJECT; 1029 } 1030 *request = rawRequest; 1031 1032 return OK; 1033} 1034 1035status_t Camera3Device::waitUntilDrained() { 1036 ATRACE_CALL(); 1037 Mutex::Autolock il(mInterfaceLock); 1038 Mutex::Autolock l(mLock); 1039 1040 return waitUntilDrainedLocked(); 1041} 1042 1043status_t Camera3Device::waitUntilDrainedLocked() { 1044 switch (mStatus) { 1045 case STATUS_UNINITIALIZED: 1046 case STATUS_UNCONFIGURED: 1047 ALOGV("%s: Already idle", __FUNCTION__); 1048 return OK; 1049 case STATUS_CONFIGURED: 1050 // To avoid race conditions, check with tracker to be sure 1051 case STATUS_ERROR: 1052 case STATUS_ACTIVE: 1053 // Need to verify shut down 1054 break; 1055 default: 1056 SET_ERR_L("Unexpected status: %d",mStatus); 1057 return INVALID_OPERATION; 1058 } 1059 1060 ALOGV("%s: Camera %d: Waiting until idle", __FUNCTION__, mId); 1061 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1062 return res; 1063} 1064 1065// Pause to reconfigure 1066status_t Camera3Device::internalPauseAndWaitLocked() { 1067 mRequestThread->setPaused(true); 1068 mPauseStateNotify = true; 1069 1070 ALOGV("%s: Camera %d: Internal wait until idle", __FUNCTION__, mId); 1071 status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout); 1072 if (res != OK) { 1073 SET_ERR_L("Can't idle device in %f seconds!", 1074 kShutdownTimeout/1e9); 1075 } 1076 1077 return res; 1078} 1079 1080// Resume after internalPauseAndWaitLocked 1081status_t Camera3Device::internalResumeLocked() { 1082 status_t res; 1083 1084 mRequestThread->setPaused(false); 1085 1086 res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout); 1087 if (res != OK) { 1088 SET_ERR_L("Can't transition to active in %f seconds!", 1089 kActiveTimeout/1e9); 1090 } 1091 mPauseStateNotify = false; 1092 return OK; 1093} 1094 1095status_t Camera3Device::waitUntilStateThenRelock(bool active, 1096 nsecs_t timeout) { 1097 status_t res = OK; 1098 if (active == (mStatus == STATUS_ACTIVE)) { 1099 // Desired state already reached 1100 return res; 1101 } 1102 1103 bool stateSeen = false; 1104 do { 1105 mRecentStatusUpdates.clear(); 1106 1107 res = mStatusChanged.waitRelative(mLock, timeout); 1108 if (res != OK) break; 1109 1110 // Check state change history during wait 1111 for (size_t i = 0; i < mRecentStatusUpdates.size(); i++) { 1112 if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) { 1113 stateSeen = true; 1114 break; 1115 } 1116 } 1117 } while (!stateSeen); 1118 1119 return res; 1120} 1121 1122 1123status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { 1124 ATRACE_CALL(); 1125 Mutex::Autolock l(mOutputLock); 1126 1127 if (listener != NULL && mListener != NULL) { 1128 ALOGW("%s: Replacing old callback listener", __FUNCTION__); 1129 } 1130 mListener = listener; 1131 1132 return OK; 1133} 1134 1135bool Camera3Device::willNotify3A() { 1136 return false; 1137} 1138 1139status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { 1140 status_t res; 1141 Mutex::Autolock l(mOutputLock); 1142 1143 while (mResultQueue.empty()) { 1144 res = mResultSignal.waitRelative(mOutputLock, timeout); 1145 if (res == TIMED_OUT) { 1146 return res; 1147 } else if (res != OK) { 1148 ALOGW("%s: Camera %d: No frame in %" PRId64 " ns: %s (%d)", 1149 __FUNCTION__, mId, timeout, strerror(-res), res); 1150 return res; 1151 } 1152 } 1153 return OK; 1154} 1155 1156status_t Camera3Device::getNextResult(CaptureResult *frame) { 1157 ATRACE_CALL(); 1158 Mutex::Autolock l(mOutputLock); 1159 1160 if (mResultQueue.empty()) { 1161 return NOT_ENOUGH_DATA; 1162 } 1163 1164 if (frame == NULL) { 1165 ALOGE("%s: argument cannot be NULL", __FUNCTION__); 1166 return BAD_VALUE; 1167 } 1168 1169 CaptureResult &result = *(mResultQueue.begin()); 1170 frame->mResultExtras = result.mResultExtras; 1171 frame->mMetadata.acquire(result.mMetadata); 1172 mResultQueue.erase(mResultQueue.begin()); 1173 1174 return OK; 1175} 1176 1177status_t Camera3Device::triggerAutofocus(uint32_t id) { 1178 ATRACE_CALL(); 1179 Mutex::Autolock il(mInterfaceLock); 1180 1181 ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); 1182 // Mix-in this trigger into the next request and only the next request. 1183 RequestTrigger trigger[] = { 1184 { 1185 ANDROID_CONTROL_AF_TRIGGER, 1186 ANDROID_CONTROL_AF_TRIGGER_START 1187 }, 1188 { 1189 ANDROID_CONTROL_AF_TRIGGER_ID, 1190 static_cast<int32_t>(id) 1191 } 1192 }; 1193 1194 return mRequestThread->queueTrigger(trigger, 1195 sizeof(trigger)/sizeof(trigger[0])); 1196} 1197 1198status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { 1199 ATRACE_CALL(); 1200 Mutex::Autolock il(mInterfaceLock); 1201 1202 ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); 1203 // Mix-in this trigger into the next request and only the next request. 1204 RequestTrigger trigger[] = { 1205 { 1206 ANDROID_CONTROL_AF_TRIGGER, 1207 ANDROID_CONTROL_AF_TRIGGER_CANCEL 1208 }, 1209 { 1210 ANDROID_CONTROL_AF_TRIGGER_ID, 1211 static_cast<int32_t>(id) 1212 } 1213 }; 1214 1215 return mRequestThread->queueTrigger(trigger, 1216 sizeof(trigger)/sizeof(trigger[0])); 1217} 1218 1219status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { 1220 ATRACE_CALL(); 1221 Mutex::Autolock il(mInterfaceLock); 1222 1223 ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); 1224 // Mix-in this trigger into the next request and only the next request. 1225 RequestTrigger trigger[] = { 1226 { 1227 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, 1228 ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START 1229 }, 1230 { 1231 ANDROID_CONTROL_AE_PRECAPTURE_ID, 1232 static_cast<int32_t>(id) 1233 } 1234 }; 1235 1236 return mRequestThread->queueTrigger(trigger, 1237 sizeof(trigger)/sizeof(trigger[0])); 1238} 1239 1240status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, 1241 buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { 1242 ATRACE_CALL(); 1243 (void)reprocessStreamId; (void)buffer; (void)listener; 1244 1245 CLOGE("Unimplemented"); 1246 return INVALID_OPERATION; 1247} 1248 1249status_t Camera3Device::flush(int64_t *frameNumber) { 1250 ATRACE_CALL(); 1251 ALOGV("%s: Camera %d: Flushing all requests", __FUNCTION__, mId); 1252 Mutex::Autolock il(mInterfaceLock); 1253 1254 { 1255 Mutex::Autolock l(mLock); 1256 mRequestThread->clear(/*out*/frameNumber); 1257 } 1258 1259 status_t res; 1260 if (mHal3Device->common.version >= CAMERA_DEVICE_API_VERSION_3_1) { 1261 res = mHal3Device->ops->flush(mHal3Device); 1262 } else { 1263 Mutex::Autolock l(mLock); 1264 res = waitUntilDrainedLocked(); 1265 } 1266 1267 return res; 1268} 1269 1270/** 1271 * Methods called by subclasses 1272 */ 1273 1274void Camera3Device::notifyStatus(bool idle) { 1275 { 1276 // Need mLock to safely update state and synchronize to current 1277 // state of methods in flight. 1278 Mutex::Autolock l(mLock); 1279 // We can get various system-idle notices from the status tracker 1280 // while starting up. Only care about them if we've actually sent 1281 // in some requests recently. 1282 if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) { 1283 return; 1284 } 1285 ALOGV("%s: Camera %d: Now %s", __FUNCTION__, mId, 1286 idle ? "idle" : "active"); 1287 mStatus = idle ? STATUS_CONFIGURED : STATUS_ACTIVE; 1288 mRecentStatusUpdates.add(mStatus); 1289 mStatusChanged.signal(); 1290 1291 // Skip notifying listener if we're doing some user-transparent 1292 // state changes 1293 if (mPauseStateNotify) return; 1294 } 1295 NotificationListener *listener; 1296 { 1297 Mutex::Autolock l(mOutputLock); 1298 listener = mListener; 1299 } 1300 if (idle && listener != NULL) { 1301 listener->notifyIdle(); 1302 } 1303} 1304 1305/** 1306 * Camera3Device private methods 1307 */ 1308 1309sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( 1310 const CameraMetadata &request) { 1311 ATRACE_CALL(); 1312 status_t res; 1313 1314 sp<CaptureRequest> newRequest = new CaptureRequest; 1315 newRequest->mSettings = request; 1316 1317 camera_metadata_entry_t inputStreams = 1318 newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); 1319 if (inputStreams.count > 0) { 1320 if (mInputStream == NULL || 1321 mInputStream->getId() != inputStreams.data.i32[0]) { 1322 CLOGE("Request references unknown input stream %d", 1323 inputStreams.data.u8[0]); 1324 return NULL; 1325 } 1326 // Lazy completion of stream configuration (allocation/registration) 1327 // on first use 1328 if (mInputStream->isConfiguring()) { 1329 res = mInputStream->finishConfiguration(mHal3Device); 1330 if (res != OK) { 1331 SET_ERR_L("Unable to finish configuring input stream %d:" 1332 " %s (%d)", 1333 mInputStream->getId(), strerror(-res), res); 1334 return NULL; 1335 } 1336 } 1337 1338 newRequest->mInputStream = mInputStream; 1339 newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); 1340 } 1341 1342 camera_metadata_entry_t streams = 1343 newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); 1344 if (streams.count == 0) { 1345 CLOGE("Zero output streams specified!"); 1346 return NULL; 1347 } 1348 1349 for (size_t i = 0; i < streams.count; i++) { 1350 int idx = mOutputStreams.indexOfKey(streams.data.i32[i]); 1351 if (idx == NAME_NOT_FOUND) { 1352 CLOGE("Request references unknown stream %d", 1353 streams.data.u8[i]); 1354 return NULL; 1355 } 1356 sp<Camera3OutputStreamInterface> stream = 1357 mOutputStreams.editValueAt(idx); 1358 1359 // Lazy completion of stream configuration (allocation/registration) 1360 // on first use 1361 if (stream->isConfiguring()) { 1362 res = stream->finishConfiguration(mHal3Device); 1363 if (res != OK) { 1364 SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", 1365 stream->getId(), strerror(-res), res); 1366 return NULL; 1367 } 1368 } 1369 1370 newRequest->mOutputStreams.push(stream); 1371 } 1372 newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); 1373 1374 return newRequest; 1375} 1376 1377status_t Camera3Device::configureStreamsLocked() { 1378 ATRACE_CALL(); 1379 status_t res; 1380 1381 if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) { 1382 CLOGE("Not idle"); 1383 return INVALID_OPERATION; 1384 } 1385 1386 if (!mNeedConfig) { 1387 ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); 1388 return OK; 1389 } 1390 1391 // Start configuring the streams 1392 ALOGV("%s: Camera %d: Starting stream configuration", __FUNCTION__, mId); 1393 1394 camera3_stream_configuration config; 1395 1396 config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); 1397 1398 Vector<camera3_stream_t*> streams; 1399 streams.setCapacity(config.num_streams); 1400 1401 if (mInputStream != NULL) { 1402 camera3_stream_t *inputStream; 1403 inputStream = mInputStream->startConfiguration(); 1404 if (inputStream == NULL) { 1405 SET_ERR_L("Can't start input stream configuration"); 1406 return INVALID_OPERATION; 1407 } 1408 streams.add(inputStream); 1409 } 1410 1411 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1412 1413 // Don't configure bidi streams twice, nor add them twice to the list 1414 if (mOutputStreams[i].get() == 1415 static_cast<Camera3StreamInterface*>(mInputStream.get())) { 1416 1417 config.num_streams--; 1418 continue; 1419 } 1420 1421 camera3_stream_t *outputStream; 1422 outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); 1423 if (outputStream == NULL) { 1424 SET_ERR_L("Can't start output stream configuration"); 1425 return INVALID_OPERATION; 1426 } 1427 streams.add(outputStream); 1428 } 1429 1430 config.streams = streams.editArray(); 1431 1432 // Do the HAL configuration; will potentially touch stream 1433 // max_buffers, usage, priv fields. 1434 ATRACE_BEGIN("camera3->configure_streams"); 1435 res = mHal3Device->ops->configure_streams(mHal3Device, &config); 1436 ATRACE_END(); 1437 1438 if (res != OK) { 1439 SET_ERR_L("Unable to configure streams with HAL: %s (%d)", 1440 strerror(-res), res); 1441 return res; 1442 } 1443 1444 // Finish all stream configuration immediately. 1445 // TODO: Try to relax this later back to lazy completion, which should be 1446 // faster 1447 1448 if (mInputStream != NULL && mInputStream->isConfiguring()) { 1449 res = mInputStream->finishConfiguration(mHal3Device); 1450 if (res != OK) { 1451 SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", 1452 mInputStream->getId(), strerror(-res), res); 1453 return res; 1454 } 1455 } 1456 1457 for (size_t i = 0; i < mOutputStreams.size(); i++) { 1458 sp<Camera3OutputStreamInterface> outputStream = 1459 mOutputStreams.editValueAt(i); 1460 if (outputStream->isConfiguring()) { 1461 res = outputStream->finishConfiguration(mHal3Device); 1462 if (res != OK) { 1463 SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", 1464 outputStream->getId(), strerror(-res), res); 1465 return res; 1466 } 1467 } 1468 } 1469 1470 // Request thread needs to know to avoid using repeat-last-settings protocol 1471 // across configure_streams() calls 1472 mRequestThread->configurationComplete(); 1473 1474 // Update device state 1475 1476 mNeedConfig = false; 1477 1478 if (config.num_streams > 0) { 1479 mStatus = STATUS_CONFIGURED; 1480 } else { 1481 mStatus = STATUS_UNCONFIGURED; 1482 } 1483 1484 ALOGV("%s: Camera %d: Stream configuration complete", __FUNCTION__, mId); 1485 1486 return OK; 1487} 1488 1489void Camera3Device::setErrorState(const char *fmt, ...) { 1490 Mutex::Autolock l(mLock); 1491 va_list args; 1492 va_start(args, fmt); 1493 1494 setErrorStateLockedV(fmt, args); 1495 1496 va_end(args); 1497} 1498 1499void Camera3Device::setErrorStateV(const char *fmt, va_list args) { 1500 Mutex::Autolock l(mLock); 1501 setErrorStateLockedV(fmt, args); 1502} 1503 1504void Camera3Device::setErrorStateLocked(const char *fmt, ...) { 1505 va_list args; 1506 va_start(args, fmt); 1507 1508 setErrorStateLockedV(fmt, args); 1509 1510 va_end(args); 1511} 1512 1513void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { 1514 // Print out all error messages to log 1515 String8 errorCause = String8::formatV(fmt, args); 1516 ALOGE("Camera %d: %s", mId, errorCause.string()); 1517 1518 // But only do error state transition steps for the first error 1519 if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; 1520 1521 // Save stack trace. View by dumping it later. 1522 CameraTraces::saveTrace(); 1523 // TODO: consider adding errorCause and client pid/procname 1524 1525 mErrorCause = errorCause; 1526 1527 mRequestThread->setPaused(true); 1528 mStatus = STATUS_ERROR; 1529} 1530 1531/** 1532 * In-flight request management 1533 */ 1534 1535status_t Camera3Device::registerInFlight(uint32_t frameNumber, 1536 int32_t numBuffers, CaptureResultExtras resultExtras) { 1537 ATRACE_CALL(); 1538 Mutex::Autolock l(mInFlightLock); 1539 1540 ssize_t res; 1541 res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras)); 1542 if (res < 0) return res; 1543 1544 return OK; 1545} 1546 1547/** 1548 * QUIRK(partial results) 1549 * Check if all 3A fields are ready, and send off a partial 3A-only result 1550 * to the output frame queue 1551 */ 1552bool Camera3Device::processPartial3AQuirk( 1553 uint32_t frameNumber, 1554 const CameraMetadata& partial, const CaptureResultExtras& resultExtras) { 1555 1556 // Check if all 3A states are present 1557 // The full list of fields is 1558 // android.control.afMode 1559 // android.control.awbMode 1560 // android.control.aeState 1561 // android.control.awbState 1562 // android.control.afState 1563 // android.control.afTriggerID 1564 // android.control.aePrecaptureID 1565 // TODO: Add android.control.aeMode 1566 1567 bool gotAllStates = true; 1568 1569 uint8_t afMode; 1570 uint8_t awbMode; 1571 uint8_t aeState; 1572 uint8_t afState; 1573 uint8_t awbState; 1574 1575 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_MODE, 1576 &afMode, frameNumber); 1577 1578 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_MODE, 1579 &awbMode, frameNumber); 1580 1581 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AE_STATE, 1582 &aeState, frameNumber); 1583 1584 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AF_STATE, 1585 &afState, frameNumber); 1586 1587 gotAllStates &= get3AResult(partial, ANDROID_CONTROL_AWB_STATE, 1588 &awbState, frameNumber); 1589 1590 if (!gotAllStates) return false; 1591 1592 ALOGVV("%s: Camera %d: Frame %d, Request ID %d: AF mode %d, AWB mode %d, " 1593 "AF state %d, AE state %d, AWB state %d, " 1594 "AF trigger %d, AE precapture trigger %d", 1595 __FUNCTION__, mId, frameNumber, resultExtras.requestId, 1596 afMode, awbMode, 1597 afState, aeState, awbState, 1598 resultExtras.afTriggerId, resultExtras.precaptureTriggerId); 1599 1600 // Got all states, so construct a minimal result to send 1601 // In addition to the above fields, this means adding in 1602 // android.request.frameCount 1603 // android.request.requestId 1604 // android.quirks.partialResult 1605 1606 const size_t kMinimal3AResultEntries = 10; 1607 1608 Mutex::Autolock l(mOutputLock); 1609 1610 CaptureResult captureResult; 1611 captureResult.mResultExtras = resultExtras; 1612 captureResult.mMetadata = CameraMetadata(kMinimal3AResultEntries, /*dataCapacity*/ 0); 1613 // TODO: change this to sp<CaptureResult>. This will need other changes, including, 1614 // but not limited to CameraDeviceBase::getNextResult 1615 CaptureResult& min3AResult = 1616 *mResultQueue.insert(mResultQueue.end(), captureResult); 1617 1618 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_FRAME_COUNT, 1619 // TODO: This is problematic casting. Need to fix CameraMetadata. 1620 reinterpret_cast<int32_t*>(&frameNumber), frameNumber)) { 1621 return false; 1622 } 1623 1624 int32_t requestId = resultExtras.requestId; 1625 if (!insert3AResult(min3AResult.mMetadata, ANDROID_REQUEST_ID, 1626 &requestId, frameNumber)) { 1627 return false; 1628 } 1629 1630 static const uint8_t partialResult = ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL; 1631 if (!insert3AResult(min3AResult.mMetadata, ANDROID_QUIRKS_PARTIAL_RESULT, 1632 &partialResult, frameNumber)) { 1633 return false; 1634 } 1635 1636 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_MODE, 1637 &afMode, frameNumber)) { 1638 return false; 1639 } 1640 1641 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_MODE, 1642 &awbMode, frameNumber)) { 1643 return false; 1644 } 1645 1646 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_STATE, 1647 &aeState, frameNumber)) { 1648 return false; 1649 } 1650 1651 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_STATE, 1652 &afState, frameNumber)) { 1653 return false; 1654 } 1655 1656 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AWB_STATE, 1657 &awbState, frameNumber)) { 1658 return false; 1659 } 1660 1661 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AF_TRIGGER_ID, 1662 &resultExtras.afTriggerId, frameNumber)) { 1663 return false; 1664 } 1665 1666 if (!insert3AResult(min3AResult.mMetadata, ANDROID_CONTROL_AE_PRECAPTURE_ID, 1667 &resultExtras.precaptureTriggerId, frameNumber)) { 1668 return false; 1669 } 1670 1671 mResultSignal.signal(); 1672 1673 return true; 1674} 1675 1676template<typename T> 1677bool Camera3Device::get3AResult(const CameraMetadata& result, int32_t tag, 1678 T* value, uint32_t frameNumber) { 1679 (void) frameNumber; 1680 1681 camera_metadata_ro_entry_t entry; 1682 1683 entry = result.find(tag); 1684 if (entry.count == 0) { 1685 ALOGVV("%s: Camera %d: Frame %d: No %s provided by HAL!", __FUNCTION__, 1686 mId, frameNumber, get_camera_metadata_tag_name(tag)); 1687 return false; 1688 } 1689 1690 if (sizeof(T) == sizeof(uint8_t)) { 1691 *value = entry.data.u8[0]; 1692 } else if (sizeof(T) == sizeof(int32_t)) { 1693 *value = entry.data.i32[0]; 1694 } else { 1695 ALOGE("%s: Unexpected type", __FUNCTION__); 1696 return false; 1697 } 1698 return true; 1699} 1700 1701template<typename T> 1702bool Camera3Device::insert3AResult(CameraMetadata& result, int32_t tag, 1703 const T* value, uint32_t frameNumber) { 1704 if (result.update(tag, value, 1) != NO_ERROR) { 1705 mResultQueue.erase(--mResultQueue.end(), mResultQueue.end()); 1706 SET_ERR("Frame %d: Failed to set %s in partial metadata", 1707 frameNumber, get_camera_metadata_tag_name(tag)); 1708 return false; 1709 } 1710 return true; 1711} 1712 1713/** 1714 * Camera HAL device callback methods 1715 */ 1716 1717void Camera3Device::processCaptureResult(const camera3_capture_result *result) { 1718 ATRACE_CALL(); 1719 1720 status_t res; 1721 1722 uint32_t frameNumber = result->frame_number; 1723 if (result->result == NULL && result->num_output_buffers == 0 && 1724 result->input_buffer == NULL) { 1725 SET_ERR("No result data provided by HAL for frame %d", 1726 frameNumber); 1727 return; 1728 } 1729 bool partialResultQuirk = false; 1730 CameraMetadata collectedQuirkResult; 1731 CaptureResultExtras resultExtras; 1732 1733 // Get capture timestamp and resultExtras from list of in-flight requests, 1734 // where it was added by the shutter notification for this frame. 1735 // Then update the in-flight status and remove the in-flight entry if 1736 // all result data has been received. 1737 nsecs_t timestamp = 0; 1738 { 1739 Mutex::Autolock l(mInFlightLock); 1740 ssize_t idx = mInFlightMap.indexOfKey(frameNumber); 1741 if (idx == NAME_NOT_FOUND) { 1742 SET_ERR("Unknown frame number for capture result: %d", 1743 frameNumber); 1744 return; 1745 } 1746 InFlightRequest &request = mInFlightMap.editValueAt(idx); 1747 ALOGVV("%s: got InFlightRequest requestId = %" PRId32 ", frameNumber = %" PRId64 1748 ", burstId = %" PRId32, 1749 __FUNCTION__, request.resultExtras.requestId, request.resultExtras.frameNumber, 1750 request.resultExtras.burstId); 1751 1752 // Check if this result carries only partial metadata 1753 if (mUsePartialResultQuirk && result->result != NULL) { 1754 camera_metadata_ro_entry_t partialResultEntry; 1755 res = find_camera_metadata_ro_entry(result->result, 1756 ANDROID_QUIRKS_PARTIAL_RESULT, &partialResultEntry); 1757 if (res != NAME_NOT_FOUND && 1758 partialResultEntry.count > 0 && 1759 partialResultEntry.data.u8[0] == 1760 ANDROID_QUIRKS_PARTIAL_RESULT_PARTIAL) { 1761 // A partial result. Flag this as such, and collect this 1762 // set of metadata into the in-flight entry. 1763 partialResultQuirk = true; 1764 request.partialResultQuirk.collectedResult.append( 1765 result->result); 1766 request.partialResultQuirk.collectedResult.erase( 1767 ANDROID_QUIRKS_PARTIAL_RESULT); 1768 // Fire off a 3A-only result if possible 1769 if (!request.partialResultQuirk.haveSent3A) { 1770 request.partialResultQuirk.haveSent3A = 1771 processPartial3AQuirk(frameNumber, 1772 request.partialResultQuirk.collectedResult, 1773 request.resultExtras); 1774 } 1775 } 1776 } 1777 1778 timestamp = request.captureTimestamp; 1779 resultExtras = request.resultExtras; 1780 1781 /** 1782 * One of the following must happen before it's legal to call process_capture_result, 1783 * unless partial metadata is being provided: 1784 * - CAMERA3_MSG_SHUTTER (expected during normal operation) 1785 * - CAMERA3_MSG_ERROR (expected during flush) 1786 */ 1787 if (request.requestStatus == OK && timestamp == 0 && !partialResultQuirk) { 1788 SET_ERR("Called before shutter notify for frame %d", 1789 frameNumber); 1790 return; 1791 } 1792 1793 // Did we get the (final) result metadata for this capture? 1794 if (result->result != NULL && !partialResultQuirk) { 1795 if (request.haveResultMetadata) { 1796 SET_ERR("Called multiple times with metadata for frame %d", 1797 frameNumber); 1798 return; 1799 } 1800 if (mUsePartialResultQuirk && 1801 !request.partialResultQuirk.collectedResult.isEmpty()) { 1802 collectedQuirkResult.acquire( 1803 request.partialResultQuirk.collectedResult); 1804 } 1805 request.haveResultMetadata = true; 1806 } 1807 1808 request.numBuffersLeft -= result->num_output_buffers; 1809 request.numBuffersLeft -= (result->input_buffer != NULL) ? 1 : 0; 1810 if (request.numBuffersLeft < 0) { 1811 SET_ERR("Too many buffers returned for frame %d", 1812 frameNumber); 1813 return; 1814 } 1815 1816 // Check if everything has arrived for this result (buffers and metadata), remove it from 1817 // InFlightMap if both arrived or HAL reports error for this request (i.e. during flush). 1818 if ((request.requestStatus != OK) || 1819 (request.haveResultMetadata && request.numBuffersLeft == 0)) { 1820 ATRACE_ASYNC_END("frame capture", frameNumber); 1821 mInFlightMap.removeItemsAt(idx, 1); 1822 } 1823 1824 // Sanity check - if we have too many in-flight frames, something has 1825 // likely gone wrong 1826 if (mInFlightMap.size() > kInFlightWarnLimit) { 1827 CLOGE("In-flight list too large: %zu", mInFlightMap.size()); 1828 } 1829 1830 } 1831 1832 // Process the result metadata, if provided 1833 bool gotResult = false; 1834 if (result->result != NULL && !partialResultQuirk) { 1835 Mutex::Autolock l(mOutputLock); 1836 1837 gotResult = true; 1838 1839 // TODO: need to track errors for tighter bounds on expected frame number 1840 if (frameNumber < mNextResultFrameNumber) { 1841 SET_ERR("Out-of-order capture result metadata submitted! " 1842 "(got frame number %d, expecting %d)", 1843 frameNumber, mNextResultFrameNumber); 1844 return; 1845 } 1846 mNextResultFrameNumber = frameNumber + 1; 1847 1848 CaptureResult captureResult; 1849 captureResult.mResultExtras = resultExtras; 1850 captureResult.mMetadata = result->result; 1851 1852 if (captureResult.mMetadata.update(ANDROID_REQUEST_FRAME_COUNT, 1853 (int32_t*)&frameNumber, 1) != OK) { 1854 SET_ERR("Failed to set frame# in metadata (%d)", 1855 frameNumber); 1856 gotResult = false; 1857 } else { 1858 ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", 1859 __FUNCTION__, mId, frameNumber); 1860 } 1861 1862 // Append any previous partials to form a complete result 1863 if (mUsePartialResultQuirk && !collectedQuirkResult.isEmpty()) { 1864 captureResult.mMetadata.append(collectedQuirkResult); 1865 } 1866 1867 captureResult.mMetadata.sort(); 1868 1869 // Check that there's a timestamp in the result metadata 1870 1871 camera_metadata_entry entry = 1872 captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP); 1873 if (entry.count == 0) { 1874 SET_ERR("No timestamp provided by HAL for frame %d!", 1875 frameNumber); 1876 gotResult = false; 1877 } else if (timestamp != entry.data.i64[0]) { 1878 SET_ERR("Timestamp mismatch between shutter notify and result" 1879 " metadata for frame %d (%" PRId64 " vs %" PRId64 " respectively)", 1880 frameNumber, timestamp, entry.data.i64[0]); 1881 gotResult = false; 1882 } 1883 1884 if (gotResult) { 1885 // Valid result, insert into queue 1886 List<CaptureResult>::iterator queuedResult = 1887 mResultQueue.insert(mResultQueue.end(), CaptureResult(captureResult)); 1888 ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64 1889 ", burstId = %" PRId32, __FUNCTION__, 1890 queuedResult->mResultExtras.requestId, 1891 queuedResult->mResultExtras.frameNumber, 1892 queuedResult->mResultExtras.burstId); 1893 } 1894 } // scope for mOutputLock 1895 1896 // Return completed buffers to their streams with the timestamp 1897 1898 for (size_t i = 0; i < result->num_output_buffers; i++) { 1899 Camera3Stream *stream = 1900 Camera3Stream::cast(result->output_buffers[i].stream); 1901 res = stream->returnBuffer(result->output_buffers[i], timestamp); 1902 // Note: stream may be deallocated at this point, if this buffer was the 1903 // last reference to it. 1904 if (res != OK) { 1905 ALOGE("Can't return buffer %zu for frame %d to its stream: " 1906 " %s (%d)", i, frameNumber, strerror(-res), res); 1907 } 1908 } 1909 1910 if (result->input_buffer != NULL) { 1911 Camera3Stream *stream = 1912 Camera3Stream::cast(result->input_buffer->stream); 1913 res = stream->returnInputBuffer(*(result->input_buffer)); 1914 // Note: stream may be deallocated at this point, if this buffer was the 1915 // last reference to it. 1916 if (res != OK) { 1917 ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" 1918 " its stream:%s (%d)", __FUNCTION__, 1919 frameNumber, strerror(-res), res); 1920 } 1921 } 1922 1923 // Finally, signal any waiters for new frames 1924 1925 if (gotResult) { 1926 mResultSignal.signal(); 1927 } 1928 1929} 1930 1931void Camera3Device::notify(const camera3_notify_msg *msg) { 1932 ATRACE_CALL(); 1933 NotificationListener *listener; 1934 { 1935 Mutex::Autolock l(mOutputLock); 1936 listener = mListener; 1937 } 1938 1939 if (msg == NULL) { 1940 SET_ERR("HAL sent NULL notify message!"); 1941 return; 1942 } 1943 1944 switch (msg->type) { 1945 case CAMERA3_MSG_ERROR: { 1946 int streamId = 0; 1947 if (msg->message.error.error_stream != NULL) { 1948 Camera3Stream *stream = 1949 Camera3Stream::cast( 1950 msg->message.error.error_stream); 1951 streamId = stream->getId(); 1952 } 1953 ALOGV("Camera %d: %s: HAL error, frame %d, stream %d: %d", 1954 mId, __FUNCTION__, msg->message.error.frame_number, 1955 streamId, msg->message.error.error_code); 1956 1957 CaptureResultExtras resultExtras; 1958 // Set request error status for the request in the in-flight tracking 1959 { 1960 Mutex::Autolock l(mInFlightLock); 1961 ssize_t idx = mInFlightMap.indexOfKey(msg->message.error.frame_number); 1962 if (idx >= 0) { 1963 InFlightRequest &r = mInFlightMap.editValueAt(idx); 1964 r.requestStatus = msg->message.error.error_code; 1965 resultExtras = r.resultExtras; 1966 } else { 1967 resultExtras.frameNumber = msg->message.error.frame_number; 1968 ALOGE("Camera %d: %s: cannot find in-flight request on frame %" PRId64 1969 " error", mId, __FUNCTION__, resultExtras.frameNumber); 1970 } 1971 } 1972 1973 if (listener != NULL) { 1974 if (msg->message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) { 1975 listener->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE, 1976 resultExtras); 1977 } 1978 } else { 1979 ALOGE("Camera %d: %s: no listener available", mId, __FUNCTION__); 1980 } 1981 break; 1982 } 1983 case CAMERA3_MSG_SHUTTER: { 1984 ssize_t idx; 1985 uint32_t frameNumber = msg->message.shutter.frame_number; 1986 nsecs_t timestamp = msg->message.shutter.timestamp; 1987 // Verify ordering of shutter notifications 1988 { 1989 Mutex::Autolock l(mOutputLock); 1990 // TODO: need to track errors for tighter bounds on expected frame number. 1991 if (frameNumber < mNextShutterFrameNumber) { 1992 SET_ERR("Shutter notification out-of-order. Expected " 1993 "notification for frame %d, got frame %d", 1994 mNextShutterFrameNumber, frameNumber); 1995 break; 1996 } 1997 mNextShutterFrameNumber = frameNumber + 1; 1998 } 1999 2000 CaptureResultExtras resultExtras; 2001 2002 // Set timestamp for the request in the in-flight tracking 2003 // and get the request ID to send upstream 2004 { 2005 Mutex::Autolock l(mInFlightLock); 2006 idx = mInFlightMap.indexOfKey(frameNumber); 2007 if (idx >= 0) { 2008 InFlightRequest &r = mInFlightMap.editValueAt(idx); 2009 r.captureTimestamp = timestamp; 2010 resultExtras = r.resultExtras; 2011 } 2012 } 2013 if (idx < 0) { 2014 SET_ERR("Shutter notification for non-existent frame number %d", 2015 frameNumber); 2016 break; 2017 } 2018 ALOGVV("Camera %d: %s: Shutter fired for frame %d (id %d) at %" PRId64, 2019 mId, __FUNCTION__, frameNumber, resultExtras.requestId, timestamp); 2020 // Call listener, if any 2021 if (listener != NULL) { 2022 listener->notifyShutter(resultExtras, timestamp); 2023 } 2024 break; 2025 } 2026 default: 2027 SET_ERR("Unknown notify message from HAL: %d", 2028 msg->type); 2029 } 2030} 2031 2032CameraMetadata Camera3Device::getLatestRequestLocked() { 2033 ALOGV("%s", __FUNCTION__); 2034 2035 CameraMetadata retVal; 2036 2037 if (mRequestThread != NULL) { 2038 retVal = mRequestThread->getLatestRequest(); 2039 } 2040 2041 return retVal; 2042} 2043 2044 2045/** 2046 * RequestThread inner class methods 2047 */ 2048 2049Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, 2050 sp<StatusTracker> statusTracker, 2051 camera3_device_t *hal3Device) : 2052 Thread(false), 2053 mParent(parent), 2054 mStatusTracker(statusTracker), 2055 mHal3Device(hal3Device), 2056 mId(getId(parent)), 2057 mReconfigured(false), 2058 mDoPause(false), 2059 mPaused(true), 2060 mFrameNumber(0), 2061 mLatestRequestId(NAME_NOT_FOUND), 2062 mRepeatingLastFrameNumber(NO_IN_FLIGHT_REPEATING_FRAMES) { 2063 mStatusId = statusTracker->addComponent(); 2064} 2065 2066void Camera3Device::RequestThread::configurationComplete() { 2067 Mutex::Autolock l(mRequestLock); 2068 mReconfigured = true; 2069} 2070 2071status_t Camera3Device::RequestThread::queueRequestList( 2072 List<sp<CaptureRequest> > &requests, 2073 /*out*/ 2074 int64_t *lastFrameNumber) { 2075 Mutex::Autolock l(mRequestLock); 2076 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); 2077 ++it) { 2078 mRequestQueue.push_back(*it); 2079 } 2080 2081 if (lastFrameNumber != NULL) { 2082 *lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1; 2083 ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".", 2084 __FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber, 2085 *lastFrameNumber); 2086 } 2087 2088 unpauseForNewRequests(); 2089 2090 return OK; 2091} 2092 2093 2094status_t Camera3Device::RequestThread::queueTrigger( 2095 RequestTrigger trigger[], 2096 size_t count) { 2097 2098 Mutex::Autolock l(mTriggerMutex); 2099 status_t ret; 2100 2101 for (size_t i = 0; i < count; ++i) { 2102 ret = queueTriggerLocked(trigger[i]); 2103 2104 if (ret != OK) { 2105 return ret; 2106 } 2107 } 2108 2109 return OK; 2110} 2111 2112int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { 2113 sp<Camera3Device> d = device.promote(); 2114 if (d != NULL) return d->mId; 2115 return 0; 2116} 2117 2118status_t Camera3Device::RequestThread::queueTriggerLocked( 2119 RequestTrigger trigger) { 2120 2121 uint32_t tag = trigger.metadataTag; 2122 ssize_t index = mTriggerMap.indexOfKey(tag); 2123 2124 switch (trigger.getTagType()) { 2125 case TYPE_BYTE: 2126 // fall-through 2127 case TYPE_INT32: 2128 break; 2129 default: 2130 ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, 2131 trigger.getTagType()); 2132 return INVALID_OPERATION; 2133 } 2134 2135 /** 2136 * Collect only the latest trigger, since we only have 1 field 2137 * in the request settings per trigger tag, and can't send more than 1 2138 * trigger per request. 2139 */ 2140 if (index != NAME_NOT_FOUND) { 2141 mTriggerMap.editValueAt(index) = trigger; 2142 } else { 2143 mTriggerMap.add(tag, trigger); 2144 } 2145 2146 return OK; 2147} 2148 2149status_t Camera3Device::RequestThread::setRepeatingRequests( 2150 const RequestList &requests, 2151 /*out*/ 2152 int64_t *lastFrameNumber) { 2153 Mutex::Autolock l(mRequestLock); 2154 if (lastFrameNumber != NULL) { 2155 *lastFrameNumber = mRepeatingLastFrameNumber; 2156 } 2157 mRepeatingRequests.clear(); 2158 mRepeatingRequests.insert(mRepeatingRequests.begin(), 2159 requests.begin(), requests.end()); 2160 2161 unpauseForNewRequests(); 2162 2163 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2164 return OK; 2165} 2166 2167bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest> requestIn) { 2168 if (mRepeatingRequests.empty()) { 2169 return false; 2170 } 2171 int32_t requestId = requestIn->mResultExtras.requestId; 2172 const RequestList &repeatRequests = mRepeatingRequests; 2173 // All repeating requests are guaranteed to have same id so only check first quest 2174 const sp<CaptureRequest> firstRequest = *repeatRequests.begin(); 2175 return (firstRequest->mResultExtras.requestId == requestId); 2176} 2177 2178status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) { 2179 Mutex::Autolock l(mRequestLock); 2180 mRepeatingRequests.clear(); 2181 if (lastFrameNumber != NULL) { 2182 *lastFrameNumber = mRepeatingLastFrameNumber; 2183 } 2184 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2185 return OK; 2186} 2187 2188status_t Camera3Device::RequestThread::clear(/*out*/int64_t *lastFrameNumber) { 2189 Mutex::Autolock l(mRequestLock); 2190 ALOGV("RequestThread::%s:", __FUNCTION__); 2191 mRepeatingRequests.clear(); 2192 2193 // Decrement repeating frame count for those requests never sent to device 2194 // TODO: Remove this after we have proper error handling so these requests 2195 // will generate an error callback. This might be the only place calling 2196 // isRepeatingRequestLocked. If so, isRepeatingRequestLocked should also be removed. 2197 const RequestList &requests = mRequestQueue; 2198 for (RequestList::const_iterator it = requests.begin(); 2199 it != requests.end(); ++it) { 2200 if (isRepeatingRequestLocked(*it)) { 2201 mRepeatingLastFrameNumber--; 2202 } 2203 } 2204 mRequestQueue.clear(); 2205 mTriggerMap.clear(); 2206 if (lastFrameNumber != NULL) { 2207 *lastFrameNumber = mRepeatingLastFrameNumber; 2208 } 2209 mRepeatingLastFrameNumber = NO_IN_FLIGHT_REPEATING_FRAMES; 2210 return OK; 2211} 2212 2213void Camera3Device::RequestThread::setPaused(bool paused) { 2214 Mutex::Autolock l(mPauseLock); 2215 mDoPause = paused; 2216 mDoPauseSignal.signal(); 2217} 2218 2219status_t Camera3Device::RequestThread::waitUntilRequestProcessed( 2220 int32_t requestId, nsecs_t timeout) { 2221 Mutex::Autolock l(mLatestRequestMutex); 2222 status_t res; 2223 while (mLatestRequestId != requestId) { 2224 nsecs_t startTime = systemTime(); 2225 2226 res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); 2227 if (res != OK) return res; 2228 2229 timeout -= (systemTime() - startTime); 2230 } 2231 2232 return OK; 2233} 2234 2235void Camera3Device::RequestThread::requestExit() { 2236 // Call parent to set up shutdown 2237 Thread::requestExit(); 2238 // The exit from any possible waits 2239 mDoPauseSignal.signal(); 2240 mRequestSignal.signal(); 2241} 2242 2243bool Camera3Device::RequestThread::threadLoop() { 2244 2245 status_t res; 2246 2247 // Handle paused state. 2248 if (waitIfPaused()) { 2249 return true; 2250 } 2251 2252 // Get work to do 2253 2254 sp<CaptureRequest> nextRequest = waitForNextRequest(); 2255 if (nextRequest == NULL) { 2256 return true; 2257 } 2258 2259 // Create request to HAL 2260 camera3_capture_request_t request = camera3_capture_request_t(); 2261 request.frame_number = nextRequest->mResultExtras.frameNumber; 2262 Vector<camera3_stream_buffer_t> outputBuffers; 2263 2264 // Get the request ID, if any 2265 int requestId; 2266 camera_metadata_entry_t requestIdEntry = 2267 nextRequest->mSettings.find(ANDROID_REQUEST_ID); 2268 if (requestIdEntry.count > 0) { 2269 requestId = requestIdEntry.data.i32[0]; 2270 } else { 2271 ALOGW("%s: Did not have android.request.id set in the request", 2272 __FUNCTION__); 2273 requestId = NAME_NOT_FOUND; 2274 } 2275 2276 // Insert any queued triggers (before metadata is locked) 2277 int32_t triggerCount; 2278 res = insertTriggers(nextRequest); 2279 if (res < 0) { 2280 SET_ERR("RequestThread: Unable to insert triggers " 2281 "(capture request %d, HAL device: %s (%d)", 2282 request.frame_number, strerror(-res), res); 2283 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2284 return false; 2285 } 2286 triggerCount = res; 2287 2288 bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); 2289 2290 // If the request is the same as last, or we had triggers last time 2291 if (mPrevRequest != nextRequest || triggersMixedIn) { 2292 /** 2293 * HAL workaround: 2294 * Insert a dummy trigger ID if a trigger is set but no trigger ID is 2295 */ 2296 res = addDummyTriggerIds(nextRequest); 2297 if (res != OK) { 2298 SET_ERR("RequestThread: Unable to insert dummy trigger IDs " 2299 "(capture request %d, HAL device: %s (%d)", 2300 request.frame_number, strerror(-res), res); 2301 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2302 return false; 2303 } 2304 2305 /** 2306 * The request should be presorted so accesses in HAL 2307 * are O(logn). Sidenote, sorting a sorted metadata is nop. 2308 */ 2309 nextRequest->mSettings.sort(); 2310 request.settings = nextRequest->mSettings.getAndLock(); 2311 mPrevRequest = nextRequest; 2312 ALOGVV("%s: Request settings are NEW", __FUNCTION__); 2313 2314 IF_ALOGV() { 2315 camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); 2316 find_camera_metadata_ro_entry( 2317 request.settings, 2318 ANDROID_CONTROL_AF_TRIGGER, 2319 &e 2320 ); 2321 if (e.count > 0) { 2322 ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", 2323 __FUNCTION__, 2324 request.frame_number, 2325 e.data.u8[0]); 2326 } 2327 } 2328 } else { 2329 // leave request.settings NULL to indicate 'reuse latest given' 2330 ALOGVV("%s: Request settings are REUSED", 2331 __FUNCTION__); 2332 } 2333 2334 camera3_stream_buffer_t inputBuffer; 2335 uint32_t totalNumBuffers = 0; 2336 2337 // Fill in buffers 2338 2339 if (nextRequest->mInputStream != NULL) { 2340 request.input_buffer = &inputBuffer; 2341 res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); 2342 if (res != OK) { 2343 ALOGE("RequestThread: Can't get input buffer, skipping request:" 2344 " %s (%d)", strerror(-res), res); 2345 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2346 return true; 2347 } 2348 totalNumBuffers += 1; 2349 } else { 2350 request.input_buffer = NULL; 2351 } 2352 2353 outputBuffers.insertAt(camera3_stream_buffer_t(), 0, 2354 nextRequest->mOutputStreams.size()); 2355 request.output_buffers = outputBuffers.array(); 2356 for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { 2357 res = nextRequest->mOutputStreams.editItemAt(i)-> 2358 getBuffer(&outputBuffers.editItemAt(i)); 2359 if (res != OK) { 2360 ALOGE("RequestThread: Can't get output buffer, skipping request:" 2361 " %s (%d)", strerror(-res), res); 2362 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2363 return true; 2364 } 2365 request.num_output_buffers++; 2366 } 2367 totalNumBuffers += request.num_output_buffers; 2368 2369 // Log request in the in-flight queue 2370 sp<Camera3Device> parent = mParent.promote(); 2371 if (parent == NULL) { 2372 CLOGE("RequestThread: Parent is gone"); 2373 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2374 return false; 2375 } 2376 2377 res = parent->registerInFlight(request.frame_number, 2378 totalNumBuffers, nextRequest->mResultExtras); 2379 ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64 2380 ", burstId = %" PRId32 ".", 2381 __FUNCTION__, 2382 nextRequest->mResultExtras.requestId, nextRequest->mResultExtras.frameNumber, 2383 nextRequest->mResultExtras.burstId); 2384 if (res != OK) { 2385 SET_ERR("RequestThread: Unable to register new in-flight request:" 2386 " %s (%d)", strerror(-res), res); 2387 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2388 return false; 2389 } 2390 2391 // Inform waitUntilRequestProcessed thread of a new request ID 2392 { 2393 Mutex::Autolock al(mLatestRequestMutex); 2394 2395 mLatestRequestId = requestId; 2396 mLatestRequestSignal.signal(); 2397 } 2398 2399 // Submit request and block until ready for next one 2400 ATRACE_ASYNC_BEGIN("frame capture", request.frame_number); 2401 ATRACE_BEGIN("camera3->process_capture_request"); 2402 res = mHal3Device->ops->process_capture_request(mHal3Device, &request); 2403 ATRACE_END(); 2404 2405 if (res != OK) { 2406 SET_ERR("RequestThread: Unable to submit capture request %d to HAL" 2407 " device: %s (%d)", request.frame_number, strerror(-res), res); 2408 cleanUpFailedRequest(request, nextRequest, outputBuffers); 2409 return false; 2410 } 2411 2412 // Update the latest request sent to HAL 2413 if (request.settings != NULL) { // Don't update them if they were unchanged 2414 Mutex::Autolock al(mLatestRequestMutex); 2415 2416 camera_metadata_t* cloned = clone_camera_metadata(request.settings); 2417 mLatestRequest.acquire(cloned); 2418 } 2419 2420 if (request.settings != NULL) { 2421 nextRequest->mSettings.unlock(request.settings); 2422 } 2423 2424 // Remove any previously queued triggers (after unlock) 2425 res = removeTriggers(mPrevRequest); 2426 if (res != OK) { 2427 SET_ERR("RequestThread: Unable to remove triggers " 2428 "(capture request %d, HAL device: %s (%d)", 2429 request.frame_number, strerror(-res), res); 2430 return false; 2431 } 2432 mPrevTriggers = triggerCount; 2433 2434 return true; 2435} 2436 2437CameraMetadata Camera3Device::RequestThread::getLatestRequest() const { 2438 Mutex::Autolock al(mLatestRequestMutex); 2439 2440 ALOGV("RequestThread::%s", __FUNCTION__); 2441 2442 return mLatestRequest; 2443} 2444 2445 2446void Camera3Device::RequestThread::cleanUpFailedRequest( 2447 camera3_capture_request_t &request, 2448 sp<CaptureRequest> &nextRequest, 2449 Vector<camera3_stream_buffer_t> &outputBuffers) { 2450 2451 if (request.settings != NULL) { 2452 nextRequest->mSettings.unlock(request.settings); 2453 } 2454 if (request.input_buffer != NULL) { 2455 request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; 2456 nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); 2457 } 2458 for (size_t i = 0; i < request.num_output_buffers; i++) { 2459 outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; 2460 nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( 2461 outputBuffers[i], 0); 2462 } 2463} 2464 2465sp<Camera3Device::CaptureRequest> 2466 Camera3Device::RequestThread::waitForNextRequest() { 2467 status_t res; 2468 sp<CaptureRequest> nextRequest; 2469 2470 // Optimized a bit for the simple steady-state case (single repeating 2471 // request), to avoid putting that request in the queue temporarily. 2472 Mutex::Autolock l(mRequestLock); 2473 2474 while (mRequestQueue.empty()) { 2475 if (!mRepeatingRequests.empty()) { 2476 // Always atomically enqueue all requests in a repeating request 2477 // list. Guarantees a complete in-sequence set of captures to 2478 // application. 2479 const RequestList &requests = mRepeatingRequests; 2480 RequestList::const_iterator firstRequest = 2481 requests.begin(); 2482 nextRequest = *firstRequest; 2483 mRequestQueue.insert(mRequestQueue.end(), 2484 ++firstRequest, 2485 requests.end()); 2486 // No need to wait any longer 2487 2488 mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1; 2489 2490 break; 2491 } 2492 2493 res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); 2494 2495 if ((mRequestQueue.empty() && mRepeatingRequests.empty()) || 2496 exitPending()) { 2497 Mutex::Autolock pl(mPauseLock); 2498 if (mPaused == false) { 2499 ALOGV("%s: RequestThread: Going idle", __FUNCTION__); 2500 mPaused = true; 2501 // Let the tracker know 2502 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2503 if (statusTracker != 0) { 2504 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2505 } 2506 } 2507 // Stop waiting for now and let thread management happen 2508 return NULL; 2509 } 2510 } 2511 2512 if (nextRequest == NULL) { 2513 // Don't have a repeating request already in hand, so queue 2514 // must have an entry now. 2515 RequestList::iterator firstRequest = 2516 mRequestQueue.begin(); 2517 nextRequest = *firstRequest; 2518 mRequestQueue.erase(firstRequest); 2519 } 2520 2521 // In case we've been unpaused by setPaused clearing mDoPause, need to 2522 // update internal pause state (capture/setRepeatingRequest unpause 2523 // directly). 2524 Mutex::Autolock pl(mPauseLock); 2525 if (mPaused) { 2526 ALOGV("%s: RequestThread: Unpaused", __FUNCTION__); 2527 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2528 if (statusTracker != 0) { 2529 statusTracker->markComponentActive(mStatusId); 2530 } 2531 } 2532 mPaused = false; 2533 2534 // Check if we've reconfigured since last time, and reset the preview 2535 // request if so. Can't use 'NULL request == repeat' across configure calls. 2536 if (mReconfigured) { 2537 mPrevRequest.clear(); 2538 mReconfigured = false; 2539 } 2540 2541 if (nextRequest != NULL) { 2542 nextRequest->mResultExtras.frameNumber = mFrameNumber++; 2543 } 2544 return nextRequest; 2545} 2546 2547bool Camera3Device::RequestThread::waitIfPaused() { 2548 status_t res; 2549 Mutex::Autolock l(mPauseLock); 2550 while (mDoPause) { 2551 if (mPaused == false) { 2552 mPaused = true; 2553 ALOGV("%s: RequestThread: Paused", __FUNCTION__); 2554 // Let the tracker know 2555 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2556 if (statusTracker != 0) { 2557 statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE); 2558 } 2559 } 2560 2561 res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); 2562 if (res == TIMED_OUT || exitPending()) { 2563 return true; 2564 } 2565 } 2566 // We don't set mPaused to false here, because waitForNextRequest needs 2567 // to further manage the paused state in case of starvation. 2568 return false; 2569} 2570 2571void Camera3Device::RequestThread::unpauseForNewRequests() { 2572 // With work to do, mark thread as unpaused. 2573 // If paused by request (setPaused), don't resume, to avoid 2574 // extra signaling/waiting overhead to waitUntilPaused 2575 mRequestSignal.signal(); 2576 Mutex::Autolock p(mPauseLock); 2577 if (!mDoPause) { 2578 ALOGV("%s: RequestThread: Going active", __FUNCTION__); 2579 if (mPaused) { 2580 sp<StatusTracker> statusTracker = mStatusTracker.promote(); 2581 if (statusTracker != 0) { 2582 statusTracker->markComponentActive(mStatusId); 2583 } 2584 } 2585 mPaused = false; 2586 } 2587} 2588 2589void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { 2590 sp<Camera3Device> parent = mParent.promote(); 2591 if (parent != NULL) { 2592 va_list args; 2593 va_start(args, fmt); 2594 2595 parent->setErrorStateV(fmt, args); 2596 2597 va_end(args); 2598 } 2599} 2600 2601status_t Camera3Device::RequestThread::insertTriggers( 2602 const sp<CaptureRequest> &request) { 2603 2604 Mutex::Autolock al(mTriggerMutex); 2605 2606 sp<Camera3Device> parent = mParent.promote(); 2607 if (parent == NULL) { 2608 CLOGE("RequestThread: Parent is gone"); 2609 return DEAD_OBJECT; 2610 } 2611 2612 CameraMetadata &metadata = request->mSettings; 2613 size_t count = mTriggerMap.size(); 2614 2615 for (size_t i = 0; i < count; ++i) { 2616 RequestTrigger trigger = mTriggerMap.valueAt(i); 2617 uint32_t tag = trigger.metadataTag; 2618 2619 if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) { 2620 bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID); 2621 uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue); 2622 isAeTrigger ? request->mResultExtras.precaptureTriggerId = triggerId : 2623 request->mResultExtras.afTriggerId = triggerId; 2624 if (parent->mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_2) { 2625 continue; // Trigger ID tag is deprecated since device HAL 3.2 2626 } 2627 } 2628 2629 camera_metadata_entry entry = metadata.find(tag); 2630 2631 if (entry.count > 0) { 2632 /** 2633 * Already has an entry for this trigger in the request. 2634 * Rewrite it with our requested trigger value. 2635 */ 2636 RequestTrigger oldTrigger = trigger; 2637 2638 oldTrigger.entryValue = entry.data.u8[0]; 2639 2640 mTriggerReplacedMap.add(tag, oldTrigger); 2641 } else { 2642 /** 2643 * More typical, no trigger entry, so we just add it 2644 */ 2645 mTriggerRemovedMap.add(tag, trigger); 2646 } 2647 2648 status_t res; 2649 2650 switch (trigger.getTagType()) { 2651 case TYPE_BYTE: { 2652 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2653 res = metadata.update(tag, 2654 &entryValue, 2655 /*count*/1); 2656 break; 2657 } 2658 case TYPE_INT32: 2659 res = metadata.update(tag, 2660 &trigger.entryValue, 2661 /*count*/1); 2662 break; 2663 default: 2664 ALOGE("%s: Type not supported: 0x%x", 2665 __FUNCTION__, 2666 trigger.getTagType()); 2667 return INVALID_OPERATION; 2668 } 2669 2670 if (res != OK) { 2671 ALOGE("%s: Failed to update request metadata with trigger tag %s" 2672 ", value %d", __FUNCTION__, trigger.getTagName(), 2673 trigger.entryValue); 2674 return res; 2675 } 2676 2677 ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, 2678 trigger.getTagName(), 2679 trigger.entryValue); 2680 } 2681 2682 mTriggerMap.clear(); 2683 2684 return count; 2685} 2686 2687status_t Camera3Device::RequestThread::removeTriggers( 2688 const sp<CaptureRequest> &request) { 2689 Mutex::Autolock al(mTriggerMutex); 2690 2691 CameraMetadata &metadata = request->mSettings; 2692 2693 /** 2694 * Replace all old entries with their old values. 2695 */ 2696 for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { 2697 RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); 2698 2699 status_t res; 2700 2701 uint32_t tag = trigger.metadataTag; 2702 switch (trigger.getTagType()) { 2703 case TYPE_BYTE: { 2704 uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); 2705 res = metadata.update(tag, 2706 &entryValue, 2707 /*count*/1); 2708 break; 2709 } 2710 case TYPE_INT32: 2711 res = metadata.update(tag, 2712 &trigger.entryValue, 2713 /*count*/1); 2714 break; 2715 default: 2716 ALOGE("%s: Type not supported: 0x%x", 2717 __FUNCTION__, 2718 trigger.getTagType()); 2719 return INVALID_OPERATION; 2720 } 2721 2722 if (res != OK) { 2723 ALOGE("%s: Failed to restore request metadata with trigger tag %s" 2724 ", trigger value %d", __FUNCTION__, 2725 trigger.getTagName(), trigger.entryValue); 2726 return res; 2727 } 2728 } 2729 mTriggerReplacedMap.clear(); 2730 2731 /** 2732 * Remove all new entries. 2733 */ 2734 for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { 2735 RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); 2736 status_t res = metadata.erase(trigger.metadataTag); 2737 2738 if (res != OK) { 2739 ALOGE("%s: Failed to erase metadata with trigger tag %s" 2740 ", trigger value %d", __FUNCTION__, 2741 trigger.getTagName(), trigger.entryValue); 2742 return res; 2743 } 2744 } 2745 mTriggerRemovedMap.clear(); 2746 2747 return OK; 2748} 2749 2750status_t Camera3Device::RequestThread::addDummyTriggerIds( 2751 const sp<CaptureRequest> &request) { 2752 // Trigger ID 0 has special meaning in the HAL2 spec, so avoid it here 2753 static const int32_t dummyTriggerId = 1; 2754 status_t res; 2755 2756 CameraMetadata &metadata = request->mSettings; 2757 2758 // If AF trigger is active, insert a dummy AF trigger ID if none already 2759 // exists 2760 camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER); 2761 camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID); 2762 if (afTrigger.count > 0 && 2763 afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE && 2764 afId.count == 0) { 2765 res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1); 2766 if (res != OK) return res; 2767 } 2768 2769 // If AE precapture trigger is active, insert a dummy precapture trigger ID 2770 // if none already exists 2771 camera_metadata_entry pcTrigger = 2772 metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER); 2773 camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID); 2774 if (pcTrigger.count > 0 && 2775 pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE && 2776 pcId.count == 0) { 2777 res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID, 2778 &dummyTriggerId, 1); 2779 if (res != OK) return res; 2780 } 2781 2782 return OK; 2783} 2784 2785 2786/** 2787 * Static callback forwarding methods from HAL to instance 2788 */ 2789 2790void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, 2791 const camera3_capture_result *result) { 2792 Camera3Device *d = 2793 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2794 d->processCaptureResult(result); 2795} 2796 2797void Camera3Device::sNotify(const camera3_callback_ops *cb, 2798 const camera3_notify_msg *msg) { 2799 Camera3Device *d = 2800 const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); 2801 d->notify(msg); 2802} 2803 2804}; // namespace android 2805