1 /* 2 * Copyright (C) 2012 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 /* 18 * Contains implementation of a class EmulatedFakeCamera2 that encapsulates 19 * functionality of an advanced fake camera. 20 */ 21 22 #include <inttypes.h> 23 24 //#define LOG_NDEBUG 0 25 #define LOG_TAG "EmulatedCamera_FakeCamera2" 26 #include <utils/Log.h> 27 28 #include "EmulatedFakeCamera2.h" 29 #include "EmulatedCameraFactory.h" 30 #include <ui/Rect.h> 31 #include <ui/GraphicBufferMapper.h> 32 #include "gralloc_cb.h" 33 34 #define ERROR_CAMERA_NOT_PRESENT -EPIPE 35 36 #define CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT 0xFFFFFFFF 37 38 namespace android { 39 40 const int64_t USEC = 1000LL; 41 const int64_t MSEC = USEC * 1000LL; 42 const int64_t SEC = MSEC * 1000LL; 43 44 const uint32_t EmulatedFakeCamera2::kAvailableFormats[4] = { 45 HAL_PIXEL_FORMAT_RAW_SENSOR, 46 HAL_PIXEL_FORMAT_BLOB, 47 HAL_PIXEL_FORMAT_RGBA_8888, 48 // HAL_PIXEL_FORMAT_YV12, 49 HAL_PIXEL_FORMAT_YCrCb_420_SP 50 }; 51 52 const uint32_t EmulatedFakeCamera2::kAvailableRawSizes[2] = { 53 640, 480 54 // Sensor::kResolution[0], Sensor::kResolution[1] 55 }; 56 57 const uint64_t EmulatedFakeCamera2::kAvailableRawMinDurations[1] = { 58 Sensor::kFrameDurationRange[0] 59 }; 60 61 const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesBack[4] = { 62 640, 480, 320, 240 63 // Sensor::kResolution[0], Sensor::kResolution[1] 64 }; 65 66 const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesFront[4] = { 67 320, 240, 160, 120 68 // Sensor::kResolution[0], Sensor::kResolution[1] 69 }; 70 71 const uint64_t EmulatedFakeCamera2::kAvailableProcessedMinDurations[1] = { 72 Sensor::kFrameDurationRange[0] 73 }; 74 75 const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesBack[2] = { 76 640, 480 77 // Sensor::kResolution[0], Sensor::kResolution[1] 78 }; 79 80 const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesFront[2] = { 81 320, 240 82 // Sensor::kResolution[0], Sensor::kResolution[1] 83 }; 84 85 86 const uint64_t EmulatedFakeCamera2::kAvailableJpegMinDurations[1] = { 87 Sensor::kFrameDurationRange[0] 88 }; 89 90 91 EmulatedFakeCamera2::EmulatedFakeCamera2(int cameraId, 92 bool facingBack, 93 struct hw_module_t* module) 94 : EmulatedCamera2(cameraId,module), 95 mFacingBack(facingBack), 96 mIsConnected(false) 97 { 98 ALOGD("Constructing emulated fake camera 2 facing %s", 99 facingBack ? "back" : "front"); 100 } 101 102 EmulatedFakeCamera2::~EmulatedFakeCamera2() { 103 if (mCameraInfo != NULL) { 104 free_camera_metadata(mCameraInfo); 105 } 106 } 107 108 /**************************************************************************** 109 * Public API overrides 110 ***************************************************************************/ 111 112 status_t EmulatedFakeCamera2::Initialize() { 113 status_t res; 114 115 res = constructStaticInfo(&mCameraInfo, true); 116 if (res != OK) { 117 ALOGE("%s: Unable to allocate static info: %s (%d)", 118 __FUNCTION__, strerror(-res), res); 119 return res; 120 } 121 res = constructStaticInfo(&mCameraInfo, false); 122 if (res != OK) { 123 ALOGE("%s: Unable to fill in static info: %s (%d)", 124 __FUNCTION__, strerror(-res), res); 125 return res; 126 } 127 if (res != OK) return res; 128 129 mNextStreamId = 1; 130 mNextReprocessStreamId = 1; 131 mRawStreamCount = 0; 132 mProcessedStreamCount = 0; 133 mJpegStreamCount = 0; 134 mReprocessStreamCount = 0; 135 136 return NO_ERROR; 137 } 138 139 /**************************************************************************** 140 * Camera module API overrides 141 ***************************************************************************/ 142 143 status_t EmulatedFakeCamera2::connectCamera(hw_device_t** device) { 144 status_t res; 145 ALOGV("%s", __FUNCTION__); 146 147 { 148 Mutex::Autolock l(mMutex); 149 if (!mStatusPresent) { 150 ALOGE("%s: Camera ID %d is unplugged", __FUNCTION__, 151 mCameraID); 152 return -ENODEV; 153 } 154 } 155 156 mConfigureThread = new ConfigureThread(this); 157 mReadoutThread = new ReadoutThread(this); 158 mControlThread = new ControlThread(this); 159 mSensor = new Sensor(); 160 mJpegCompressor = new JpegCompressor(); 161 162 mNextStreamId = 1; 163 mNextReprocessStreamId = 1; 164 165 res = mSensor->startUp(); 166 if (res != NO_ERROR) return res; 167 168 res = mConfigureThread->run("EmulatedFakeCamera2::configureThread"); 169 if (res != NO_ERROR) return res; 170 171 res = mReadoutThread->run("EmulatedFakeCamera2::readoutThread"); 172 if (res != NO_ERROR) return res; 173 174 res = mControlThread->run("EmulatedFakeCamera2::controlThread"); 175 if (res != NO_ERROR) return res; 176 177 status_t ret = EmulatedCamera2::connectCamera(device); 178 179 if (ret >= 0) { 180 mIsConnected = true; 181 } 182 183 return ret; 184 } 185 186 status_t EmulatedFakeCamera2::plugCamera() { 187 { 188 Mutex::Autolock l(mMutex); 189 190 if (!mStatusPresent) { 191 ALOGI("%s: Plugged back in", __FUNCTION__); 192 mStatusPresent = true; 193 } 194 } 195 196 return NO_ERROR; 197 } 198 199 status_t EmulatedFakeCamera2::unplugCamera() { 200 { 201 Mutex::Autolock l(mMutex); 202 203 if (mStatusPresent) { 204 ALOGI("%s: Unplugged camera", __FUNCTION__); 205 mStatusPresent = false; 206 } 207 } 208 209 return closeCamera(); 210 } 211 212 camera_device_status_t EmulatedFakeCamera2::getHotplugStatus() { 213 Mutex::Autolock l(mMutex); 214 return mStatusPresent ? 215 CAMERA_DEVICE_STATUS_PRESENT : 216 CAMERA_DEVICE_STATUS_NOT_PRESENT; 217 } 218 219 220 221 status_t EmulatedFakeCamera2::closeCamera() { 222 { 223 Mutex::Autolock l(mMutex); 224 225 status_t res; 226 ALOGV("%s", __FUNCTION__); 227 228 if (!mIsConnected) { 229 return NO_ERROR; 230 } 231 232 res = mSensor->shutDown(); 233 if (res != NO_ERROR) { 234 ALOGE("%s: Unable to shut down sensor: %d", __FUNCTION__, res); 235 return res; 236 } 237 238 mConfigureThread->requestExit(); 239 mReadoutThread->requestExit(); 240 mControlThread->requestExit(); 241 mJpegCompressor->cancel(); 242 } 243 244 // give up the lock since we will now block and the threads 245 // can call back into this object 246 mConfigureThread->join(); 247 mReadoutThread->join(); 248 mControlThread->join(); 249 250 ALOGV("%s exit", __FUNCTION__); 251 252 { 253 Mutex::Autolock l(mMutex); 254 mIsConnected = false; 255 } 256 257 return NO_ERROR; 258 } 259 260 status_t EmulatedFakeCamera2::getCameraInfo(struct camera_info *info) { 261 info->facing = mFacingBack ? CAMERA_FACING_BACK : CAMERA_FACING_FRONT; 262 info->orientation = gEmulatedCameraFactory.getFakeCameraOrientation(); 263 return EmulatedCamera2::getCameraInfo(info); 264 } 265 266 /**************************************************************************** 267 * Camera device API overrides 268 ***************************************************************************/ 269 270 /** Request input queue */ 271 272 int EmulatedFakeCamera2::requestQueueNotify() { 273 ALOGV("Request queue notification received"); 274 275 ALOG_ASSERT(mRequestQueueSrc != NULL, 276 "%s: Request queue src not set, but received queue notification!", 277 __FUNCTION__); 278 ALOG_ASSERT(mFrameQueueDst != NULL, 279 "%s: Request queue src not set, but received queue notification!", 280 __FUNCTION__); 281 ALOG_ASSERT(mStreams.size() != 0, 282 "%s: No streams allocated, but received queue notification!", 283 __FUNCTION__); 284 return mConfigureThread->newRequestAvailable(); 285 } 286 287 int EmulatedFakeCamera2::getInProgressCount() { 288 Mutex::Autolock l(mMutex); 289 290 if (!mStatusPresent) { 291 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 292 return ERROR_CAMERA_NOT_PRESENT; 293 } 294 295 int requestCount = 0; 296 requestCount += mConfigureThread->getInProgressCount(); 297 requestCount += mReadoutThread->getInProgressCount(); 298 requestCount += mJpegCompressor->isBusy() ? 1 : 0; 299 300 return requestCount; 301 } 302 303 int EmulatedFakeCamera2::constructDefaultRequest( 304 int request_template, 305 camera_metadata_t **request) { 306 307 if (request == NULL) return BAD_VALUE; 308 if (request_template < 0 || request_template >= CAMERA2_TEMPLATE_COUNT) { 309 return BAD_VALUE; 310 } 311 312 { 313 Mutex::Autolock l(mMutex); 314 if (!mStatusPresent) { 315 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 316 return ERROR_CAMERA_NOT_PRESENT; 317 } 318 } 319 320 status_t res; 321 // Pass 1, calculate size and allocate 322 res = constructDefaultRequest(request_template, 323 request, 324 true); 325 if (res != OK) { 326 return res; 327 } 328 // Pass 2, build request 329 res = constructDefaultRequest(request_template, 330 request, 331 false); 332 if (res != OK) { 333 ALOGE("Unable to populate new request for template %d", 334 request_template); 335 } 336 337 return res; 338 } 339 340 int EmulatedFakeCamera2::allocateStream( 341 uint32_t width, 342 uint32_t height, 343 int format, 344 const camera2_stream_ops_t *stream_ops, 345 uint32_t *stream_id, 346 uint32_t *format_actual, 347 uint32_t *usage, 348 uint32_t *max_buffers) { 349 Mutex::Autolock l(mMutex); 350 351 if (!mStatusPresent) { 352 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 353 return ERROR_CAMERA_NOT_PRESENT; 354 } 355 356 // Temporary shim until FORMAT_ZSL is removed 357 if (format == CAMERA2_HAL_PIXEL_FORMAT_ZSL) { 358 format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 359 } 360 361 if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 362 unsigned int numFormats = sizeof(kAvailableFormats) / sizeof(uint32_t); 363 unsigned int formatIdx = 0; 364 unsigned int sizeOffsetIdx = 0; 365 for (; formatIdx < numFormats; formatIdx++) { 366 if (format == (int)kAvailableFormats[formatIdx]) break; 367 } 368 if (formatIdx == numFormats) { 369 ALOGE("%s: Format 0x%x is not supported", __FUNCTION__, format); 370 return BAD_VALUE; 371 } 372 } 373 374 const uint32_t *availableSizes; 375 size_t availableSizeCount; 376 switch (format) { 377 case HAL_PIXEL_FORMAT_RAW_SENSOR: 378 availableSizes = kAvailableRawSizes; 379 availableSizeCount = sizeof(kAvailableRawSizes)/sizeof(uint32_t); 380 break; 381 case HAL_PIXEL_FORMAT_BLOB: 382 availableSizes = mFacingBack ? 383 kAvailableJpegSizesBack : kAvailableJpegSizesFront; 384 availableSizeCount = mFacingBack ? 385 sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t) : 386 sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t); 387 break; 388 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 389 case HAL_PIXEL_FORMAT_RGBA_8888: 390 case HAL_PIXEL_FORMAT_YV12: 391 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 392 availableSizes = mFacingBack ? 393 kAvailableProcessedSizesBack : kAvailableProcessedSizesFront; 394 availableSizeCount = mFacingBack ? 395 sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t) : 396 sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t); 397 break; 398 default: 399 ALOGE("%s: Unknown format 0x%x", __FUNCTION__, format); 400 return BAD_VALUE; 401 } 402 403 unsigned int resIdx = 0; 404 for (; resIdx < availableSizeCount; resIdx++) { 405 if (availableSizes[resIdx * 2] == width && 406 availableSizes[resIdx * 2 + 1] == height) break; 407 } 408 if (resIdx == availableSizeCount) { 409 ALOGE("%s: Format 0x%x does not support resolution %d, %d", __FUNCTION__, 410 format, width, height); 411 return BAD_VALUE; 412 } 413 414 switch (format) { 415 case HAL_PIXEL_FORMAT_RAW_SENSOR: 416 if (mRawStreamCount >= kMaxRawStreamCount) { 417 ALOGE("%s: Cannot allocate another raw stream (%d already allocated)", 418 __FUNCTION__, mRawStreamCount); 419 return INVALID_OPERATION; 420 } 421 mRawStreamCount++; 422 break; 423 case HAL_PIXEL_FORMAT_BLOB: 424 if (mJpegStreamCount >= kMaxJpegStreamCount) { 425 ALOGE("%s: Cannot allocate another JPEG stream (%d already allocated)", 426 __FUNCTION__, mJpegStreamCount); 427 return INVALID_OPERATION; 428 } 429 mJpegStreamCount++; 430 break; 431 default: 432 if (mProcessedStreamCount >= kMaxProcessedStreamCount) { 433 ALOGE("%s: Cannot allocate another processed stream (%d already allocated)", 434 __FUNCTION__, mProcessedStreamCount); 435 return INVALID_OPERATION; 436 } 437 mProcessedStreamCount++; 438 } 439 440 Stream newStream; 441 newStream.ops = stream_ops; 442 newStream.width = width; 443 newStream.height = height; 444 newStream.format = format; 445 // TODO: Query stride from gralloc 446 newStream.stride = width; 447 448 mStreams.add(mNextStreamId, newStream); 449 450 *stream_id = mNextStreamId; 451 if (format_actual) *format_actual = format; 452 *usage = GRALLOC_USAGE_HW_CAMERA_WRITE; 453 *max_buffers = kMaxBufferCount; 454 455 ALOGV("Stream allocated: %d, %d x %d, 0x%x. U: %x, B: %d", 456 *stream_id, width, height, format, *usage, *max_buffers); 457 458 mNextStreamId++; 459 return NO_ERROR; 460 } 461 462 int EmulatedFakeCamera2::registerStreamBuffers( 463 uint32_t stream_id, 464 int num_buffers, 465 buffer_handle_t *buffers) { 466 Mutex::Autolock l(mMutex); 467 468 if (!mStatusPresent) { 469 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 470 return ERROR_CAMERA_NOT_PRESENT; 471 } 472 473 ALOGV("%s: Stream %d registering %d buffers", __FUNCTION__, 474 stream_id, num_buffers); 475 // Need to find out what the final concrete pixel format for our stream is 476 // Assumes that all buffers have the same format. 477 if (num_buffers < 1) { 478 ALOGE("%s: Stream %d only has %d buffers!", 479 __FUNCTION__, stream_id, num_buffers); 480 return BAD_VALUE; 481 } 482 const cb_handle_t *streamBuffer = 483 reinterpret_cast<const cb_handle_t*>(buffers[0]); 484 485 int finalFormat = streamBuffer->format; 486 487 if (finalFormat == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 488 ALOGE("%s: Stream %d: Bad final pixel format " 489 "HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; " 490 "concrete pixel format required!", __FUNCTION__, stream_id); 491 return BAD_VALUE; 492 } 493 494 ssize_t streamIndex = mStreams.indexOfKey(stream_id); 495 if (streamIndex < 0) { 496 ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id); 497 return BAD_VALUE; 498 } 499 500 Stream &stream = mStreams.editValueAt(streamIndex); 501 502 ALOGV("%s: Stream %d format set to %x, previously %x", 503 __FUNCTION__, stream_id, finalFormat, stream.format); 504 505 stream.format = finalFormat; 506 507 return NO_ERROR; 508 } 509 510 int EmulatedFakeCamera2::releaseStream(uint32_t stream_id) { 511 Mutex::Autolock l(mMutex); 512 513 ssize_t streamIndex = mStreams.indexOfKey(stream_id); 514 if (streamIndex < 0) { 515 ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id); 516 return BAD_VALUE; 517 } 518 519 if (isStreamInUse(stream_id)) { 520 ALOGE("%s: Cannot release stream %d; in use!", __FUNCTION__, 521 stream_id); 522 return BAD_VALUE; 523 } 524 525 switch(mStreams.valueAt(streamIndex).format) { 526 case HAL_PIXEL_FORMAT_RAW_SENSOR: 527 mRawStreamCount--; 528 break; 529 case HAL_PIXEL_FORMAT_BLOB: 530 mJpegStreamCount--; 531 break; 532 default: 533 mProcessedStreamCount--; 534 break; 535 } 536 537 mStreams.removeItemsAt(streamIndex); 538 539 return NO_ERROR; 540 } 541 542 int EmulatedFakeCamera2::allocateReprocessStreamFromStream( 543 uint32_t output_stream_id, 544 const camera2_stream_in_ops_t *stream_ops, 545 uint32_t *stream_id) { 546 Mutex::Autolock l(mMutex); 547 548 if (!mStatusPresent) { 549 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 550 return ERROR_CAMERA_NOT_PRESENT; 551 } 552 553 ssize_t baseStreamIndex = mStreams.indexOfKey(output_stream_id); 554 if (baseStreamIndex < 0) { 555 ALOGE("%s: Unknown output stream id %d!", __FUNCTION__, output_stream_id); 556 return BAD_VALUE; 557 } 558 559 const Stream &baseStream = mStreams[baseStreamIndex]; 560 561 // We'll reprocess anything we produced 562 563 if (mReprocessStreamCount >= kMaxReprocessStreamCount) { 564 ALOGE("%s: Cannot allocate another reprocess stream (%d already allocated)", 565 __FUNCTION__, mReprocessStreamCount); 566 return INVALID_OPERATION; 567 } 568 mReprocessStreamCount++; 569 570 ReprocessStream newStream; 571 newStream.ops = stream_ops; 572 newStream.width = baseStream.width; 573 newStream.height = baseStream.height; 574 newStream.format = baseStream.format; 575 newStream.stride = baseStream.stride; 576 newStream.sourceStreamId = output_stream_id; 577 578 *stream_id = mNextReprocessStreamId; 579 mReprocessStreams.add(mNextReprocessStreamId, newStream); 580 581 ALOGV("Reprocess stream allocated: %d: %d, %d, 0x%x. Parent stream: %d", 582 *stream_id, newStream.width, newStream.height, newStream.format, 583 output_stream_id); 584 585 mNextReprocessStreamId++; 586 return NO_ERROR; 587 } 588 589 int EmulatedFakeCamera2::releaseReprocessStream(uint32_t stream_id) { 590 Mutex::Autolock l(mMutex); 591 592 ssize_t streamIndex = mReprocessStreams.indexOfKey(stream_id); 593 if (streamIndex < 0) { 594 ALOGE("%s: Unknown reprocess stream id %d!", __FUNCTION__, stream_id); 595 return BAD_VALUE; 596 } 597 598 if (isReprocessStreamInUse(stream_id)) { 599 ALOGE("%s: Cannot release reprocessing stream %d; in use!", __FUNCTION__, 600 stream_id); 601 return BAD_VALUE; 602 } 603 604 mReprocessStreamCount--; 605 mReprocessStreams.removeItemsAt(streamIndex); 606 607 return NO_ERROR; 608 } 609 610 int EmulatedFakeCamera2::triggerAction(uint32_t trigger_id, 611 int32_t ext1, 612 int32_t ext2) { 613 Mutex::Autolock l(mMutex); 614 615 if (trigger_id == CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT) { 616 ALOGI("%s: Disconnect trigger - camera must be closed", __FUNCTION__); 617 mStatusPresent = false; 618 619 gEmulatedCameraFactory.onStatusChanged( 620 mCameraID, 621 CAMERA_DEVICE_STATUS_NOT_PRESENT); 622 } 623 624 if (!mStatusPresent) { 625 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 626 return ERROR_CAMERA_NOT_PRESENT; 627 } 628 629 return mControlThread->triggerAction(trigger_id, 630 ext1, ext2); 631 } 632 633 /** Shutdown and debug methods */ 634 635 int EmulatedFakeCamera2::dump(int fd) { 636 String8 result; 637 638 result.appendFormat(" Camera HAL device: EmulatedFakeCamera2\n"); 639 result.appendFormat(" Streams:\n"); 640 for (size_t i = 0; i < mStreams.size(); i++) { 641 int id = mStreams.keyAt(i); 642 const Stream& s = mStreams.valueAt(i); 643 result.appendFormat( 644 " Stream %d: %d x %d, format 0x%x, stride %d\n", 645 id, s.width, s.height, s.format, s.stride); 646 } 647 648 write(fd, result.string(), result.size()); 649 650 return NO_ERROR; 651 } 652 653 void EmulatedFakeCamera2::signalError() { 654 // TODO: Let parent know so we can shut down cleanly 655 ALOGE("Worker thread is signaling a serious error"); 656 } 657 658 /** Pipeline control worker thread methods */ 659 660 EmulatedFakeCamera2::ConfigureThread::ConfigureThread(EmulatedFakeCamera2 *parent): 661 Thread(false), 662 mParent(parent), 663 mRequestCount(0), 664 mNextBuffers(NULL) { 665 mRunning = false; 666 } 667 668 EmulatedFakeCamera2::ConfigureThread::~ConfigureThread() { 669 } 670 671 status_t EmulatedFakeCamera2::ConfigureThread::readyToRun() { 672 Mutex::Autolock lock(mInputMutex); 673 674 ALOGV("Starting up ConfigureThread"); 675 mRequest = NULL; 676 mActive = false; 677 mRunning = true; 678 679 mInputSignal.signal(); 680 return NO_ERROR; 681 } 682 683 status_t EmulatedFakeCamera2::ConfigureThread::waitUntilRunning() { 684 Mutex::Autolock lock(mInputMutex); 685 if (!mRunning) { 686 ALOGV("Waiting for configure thread to start"); 687 mInputSignal.wait(mInputMutex); 688 } 689 return OK; 690 } 691 692 status_t EmulatedFakeCamera2::ConfigureThread::newRequestAvailable() { 693 waitUntilRunning(); 694 695 Mutex::Autolock lock(mInputMutex); 696 697 mActive = true; 698 mInputSignal.signal(); 699 700 return OK; 701 } 702 703 bool EmulatedFakeCamera2::ConfigureThread::isStreamInUse(uint32_t id) { 704 Mutex::Autolock lock(mInternalsMutex); 705 706 if (mNextBuffers == NULL) return false; 707 for (size_t i=0; i < mNextBuffers->size(); i++) { 708 if ((*mNextBuffers)[i].streamId == (int)id) return true; 709 } 710 return false; 711 } 712 713 int EmulatedFakeCamera2::ConfigureThread::getInProgressCount() { 714 Mutex::Autolock lock(mInputMutex); 715 return mRequestCount; 716 } 717 718 bool EmulatedFakeCamera2::ConfigureThread::threadLoop() { 719 status_t res; 720 721 // Check if we're currently processing or just waiting 722 { 723 Mutex::Autolock lock(mInputMutex); 724 if (!mActive) { 725 // Inactive, keep waiting until we've been signaled 726 status_t res; 727 res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop); 728 if (res != NO_ERROR && res != TIMED_OUT) { 729 ALOGE("%s: Error waiting for input requests: %d", 730 __FUNCTION__, res); 731 return false; 732 } 733 if (!mActive) return true; 734 ALOGV("New request available"); 735 } 736 // Active 737 } 738 739 if (mRequest == NULL) { 740 Mutex::Autolock il(mInternalsMutex); 741 742 ALOGV("Configure: Getting next request"); 743 res = mParent->mRequestQueueSrc->dequeue_request( 744 mParent->mRequestQueueSrc, 745 &mRequest); 746 if (res != NO_ERROR) { 747 ALOGE("%s: Error dequeuing next request: %d", __FUNCTION__, res); 748 mParent->signalError(); 749 return false; 750 } 751 if (mRequest == NULL) { 752 ALOGV("Configure: Request queue empty, going inactive"); 753 // No requests available, go into inactive mode 754 Mutex::Autolock lock(mInputMutex); 755 mActive = false; 756 return true; 757 } else { 758 Mutex::Autolock lock(mInputMutex); 759 mRequestCount++; 760 } 761 762 camera_metadata_entry_t type; 763 res = find_camera_metadata_entry(mRequest, 764 ANDROID_REQUEST_TYPE, 765 &type); 766 if (res != NO_ERROR) { 767 ALOGE("%s: error reading request type", __FUNCTION__); 768 mParent->signalError(); 769 return false; 770 } 771 bool success = false;; 772 switch (type.data.u8[0]) { 773 case ANDROID_REQUEST_TYPE_CAPTURE: 774 success = setupCapture(); 775 break; 776 case ANDROID_REQUEST_TYPE_REPROCESS: 777 success = setupReprocess(); 778 break; 779 default: 780 ALOGE("%s: Unexpected request type %d", 781 __FUNCTION__, type.data.u8[0]); 782 mParent->signalError(); 783 break; 784 } 785 if (!success) return false; 786 787 } 788 789 if (mWaitingForReadout) { 790 bool readoutDone; 791 readoutDone = mParent->mReadoutThread->waitForReady(kWaitPerLoop); 792 if (!readoutDone) return true; 793 794 if (mNextNeedsJpeg) { 795 ALOGV("Configure: Waiting for JPEG compressor"); 796 } else { 797 ALOGV("Configure: Waiting for sensor"); 798 } 799 mWaitingForReadout = false; 800 } 801 802 if (mNextNeedsJpeg) { 803 bool jpegDone; 804 jpegDone = mParent->mJpegCompressor->waitForDone(kWaitPerLoop); 805 if (!jpegDone) return true; 806 807 ALOGV("Configure: Waiting for sensor"); 808 mNextNeedsJpeg = false; 809 } 810 811 if (mNextIsCapture) { 812 return configureNextCapture(); 813 } else { 814 return configureNextReprocess(); 815 } 816 } 817 818 bool EmulatedFakeCamera2::ConfigureThread::setupCapture() { 819 status_t res; 820 821 mNextIsCapture = true; 822 // Get necessary parameters for sensor config 823 mParent->mControlThread->processRequest(mRequest); 824 825 camera_metadata_entry_t streams; 826 res = find_camera_metadata_entry(mRequest, 827 ANDROID_REQUEST_OUTPUT_STREAMS, 828 &streams); 829 if (res != NO_ERROR) { 830 ALOGE("%s: error reading output stream tag", __FUNCTION__); 831 mParent->signalError(); 832 return false; 833 } 834 835 mNextBuffers = new Buffers; 836 mNextNeedsJpeg = false; 837 ALOGV("Configure: Setting up buffers for capture"); 838 for (size_t i = 0; i < streams.count; i++) { 839 int streamId = streams.data.i32[i]; 840 const Stream &s = mParent->getStreamInfo(streamId); 841 if (s.format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 842 ALOGE("%s: Stream %d does not have a concrete pixel format, but " 843 "is included in a request!", __FUNCTION__, streamId); 844 mParent->signalError(); 845 return false; 846 } 847 StreamBuffer b; 848 b.streamId = streams.data.u8[i]; 849 b.width = s.width; 850 b.height = s.height; 851 b.format = s.format; 852 b.stride = s.stride; 853 mNextBuffers->push_back(b); 854 ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, " 855 "stride %d", 856 i, b.streamId, b.width, b.height, b.format, b.stride); 857 if (b.format == HAL_PIXEL_FORMAT_BLOB) { 858 mNextNeedsJpeg = true; 859 } 860 } 861 862 camera_metadata_entry_t e; 863 res = find_camera_metadata_entry(mRequest, 864 ANDROID_REQUEST_FRAME_COUNT, 865 &e); 866 if (res != NO_ERROR) { 867 ALOGE("%s: error reading frame count tag: %s (%d)", 868 __FUNCTION__, strerror(-res), res); 869 mParent->signalError(); 870 return false; 871 } 872 mNextFrameNumber = *e.data.i32; 873 874 res = find_camera_metadata_entry(mRequest, 875 ANDROID_SENSOR_EXPOSURE_TIME, 876 &e); 877 if (res != NO_ERROR) { 878 ALOGE("%s: error reading exposure time tag: %s (%d)", 879 __FUNCTION__, strerror(-res), res); 880 mParent->signalError(); 881 return false; 882 } 883 mNextExposureTime = *e.data.i64; 884 885 res = find_camera_metadata_entry(mRequest, 886 ANDROID_SENSOR_FRAME_DURATION, 887 &e); 888 if (res != NO_ERROR) { 889 ALOGE("%s: error reading frame duration tag", __FUNCTION__); 890 mParent->signalError(); 891 return false; 892 } 893 mNextFrameDuration = *e.data.i64; 894 895 if (mNextFrameDuration < 896 mNextExposureTime + Sensor::kMinVerticalBlank) { 897 mNextFrameDuration = mNextExposureTime + Sensor::kMinVerticalBlank; 898 } 899 res = find_camera_metadata_entry(mRequest, 900 ANDROID_SENSOR_SENSITIVITY, 901 &e); 902 if (res != NO_ERROR) { 903 ALOGE("%s: error reading sensitivity tag", __FUNCTION__); 904 mParent->signalError(); 905 return false; 906 } 907 mNextSensitivity = *e.data.i32; 908 909 // Start waiting on readout thread 910 mWaitingForReadout = true; 911 ALOGV("Configure: Waiting for readout thread"); 912 913 return true; 914 } 915 916 bool EmulatedFakeCamera2::ConfigureThread::configureNextCapture() { 917 bool vsync = mParent->mSensor->waitForVSync(kWaitPerLoop); 918 if (!vsync) return true; 919 920 Mutex::Autolock il(mInternalsMutex); 921 ALOGV("Configure: Configuring sensor for capture %d", mNextFrameNumber); 922 mParent->mSensor->setExposureTime(mNextExposureTime); 923 mParent->mSensor->setFrameDuration(mNextFrameDuration); 924 mParent->mSensor->setSensitivity(mNextSensitivity); 925 926 getBuffers(); 927 928 ALOGV("Configure: Done configure for capture %d", mNextFrameNumber); 929 mParent->mReadoutThread->setNextOperation(true, mRequest, mNextBuffers); 930 mParent->mSensor->setDestinationBuffers(mNextBuffers); 931 932 mRequest = NULL; 933 mNextBuffers = NULL; 934 935 Mutex::Autolock lock(mInputMutex); 936 mRequestCount--; 937 938 return true; 939 } 940 941 bool EmulatedFakeCamera2::ConfigureThread::setupReprocess() { 942 status_t res; 943 944 mNextNeedsJpeg = true; 945 mNextIsCapture = false; 946 947 camera_metadata_entry_t reprocessStreams; 948 res = find_camera_metadata_entry(mRequest, 949 ANDROID_REQUEST_INPUT_STREAMS, 950 &reprocessStreams); 951 if (res != NO_ERROR) { 952 ALOGE("%s: error reading output stream tag", __FUNCTION__); 953 mParent->signalError(); 954 return false; 955 } 956 957 mNextBuffers = new Buffers; 958 959 ALOGV("Configure: Setting up input buffers for reprocess"); 960 for (size_t i = 0; i < reprocessStreams.count; i++) { 961 int streamId = reprocessStreams.data.i32[i]; 962 const ReprocessStream &s = mParent->getReprocessStreamInfo(streamId); 963 if (s.format != HAL_PIXEL_FORMAT_RGB_888) { 964 ALOGE("%s: Only ZSL reprocessing supported!", 965 __FUNCTION__); 966 mParent->signalError(); 967 return false; 968 } 969 StreamBuffer b; 970 b.streamId = -streamId; 971 b.width = s.width; 972 b.height = s.height; 973 b.format = s.format; 974 b.stride = s.stride; 975 mNextBuffers->push_back(b); 976 } 977 978 camera_metadata_entry_t streams; 979 res = find_camera_metadata_entry(mRequest, 980 ANDROID_REQUEST_OUTPUT_STREAMS, 981 &streams); 982 if (res != NO_ERROR) { 983 ALOGE("%s: error reading output stream tag", __FUNCTION__); 984 mParent->signalError(); 985 return false; 986 } 987 988 ALOGV("Configure: Setting up output buffers for reprocess"); 989 for (size_t i = 0; i < streams.count; i++) { 990 int streamId = streams.data.i32[i]; 991 const Stream &s = mParent->getStreamInfo(streamId); 992 if (s.format != HAL_PIXEL_FORMAT_BLOB) { 993 // TODO: Support reprocess to YUV 994 ALOGE("%s: Non-JPEG output stream %d for reprocess not supported", 995 __FUNCTION__, streamId); 996 mParent->signalError(); 997 return false; 998 } 999 StreamBuffer b; 1000 b.streamId = streams.data.u8[i]; 1001 b.width = s.width; 1002 b.height = s.height; 1003 b.format = s.format; 1004 b.stride = s.stride; 1005 mNextBuffers->push_back(b); 1006 ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, " 1007 "stride %d", 1008 i, b.streamId, b.width, b.height, b.format, b.stride); 1009 } 1010 1011 camera_metadata_entry_t e; 1012 res = find_camera_metadata_entry(mRequest, 1013 ANDROID_REQUEST_FRAME_COUNT, 1014 &e); 1015 if (res != NO_ERROR) { 1016 ALOGE("%s: error reading frame count tag: %s (%d)", 1017 __FUNCTION__, strerror(-res), res); 1018 mParent->signalError(); 1019 return false; 1020 } 1021 mNextFrameNumber = *e.data.i32; 1022 1023 return true; 1024 } 1025 1026 bool EmulatedFakeCamera2::ConfigureThread::configureNextReprocess() { 1027 Mutex::Autolock il(mInternalsMutex); 1028 1029 getBuffers(); 1030 1031 ALOGV("Configure: Done configure for reprocess %d", mNextFrameNumber); 1032 mParent->mReadoutThread->setNextOperation(false, mRequest, mNextBuffers); 1033 1034 mRequest = NULL; 1035 mNextBuffers = NULL; 1036 1037 Mutex::Autolock lock(mInputMutex); 1038 mRequestCount--; 1039 1040 return true; 1041 } 1042 1043 bool EmulatedFakeCamera2::ConfigureThread::getBuffers() { 1044 status_t res; 1045 /** Get buffers to fill for this frame */ 1046 for (size_t i = 0; i < mNextBuffers->size(); i++) { 1047 StreamBuffer &b = mNextBuffers->editItemAt(i); 1048 1049 if (b.streamId > 0) { 1050 Stream s = mParent->getStreamInfo(b.streamId); 1051 ALOGV("Configure: Dequeing buffer from stream %d", b.streamId); 1052 res = s.ops->dequeue_buffer(s.ops, &(b.buffer) ); 1053 if (res != NO_ERROR || b.buffer == NULL) { 1054 ALOGE("%s: Unable to dequeue buffer from stream %d: %s (%d)", 1055 __FUNCTION__, b.streamId, strerror(-res), res); 1056 mParent->signalError(); 1057 return false; 1058 } 1059 1060 /* Lock the buffer from the perspective of the graphics mapper */ 1061 const Rect rect(s.width, s.height); 1062 1063 res = GraphicBufferMapper::get().lock(*(b.buffer), 1064 GRALLOC_USAGE_HW_CAMERA_WRITE, 1065 rect, (void**)&(b.img) ); 1066 1067 if (res != NO_ERROR) { 1068 ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)", 1069 __FUNCTION__, strerror(-res), res); 1070 s.ops->cancel_buffer(s.ops, 1071 b.buffer); 1072 mParent->signalError(); 1073 return false; 1074 } 1075 } else { 1076 ReprocessStream s = mParent->getReprocessStreamInfo(-b.streamId); 1077 ALOGV("Configure: Acquiring buffer from reprocess stream %d", 1078 -b.streamId); 1079 res = s.ops->acquire_buffer(s.ops, &(b.buffer) ); 1080 if (res != NO_ERROR || b.buffer == NULL) { 1081 ALOGE("%s: Unable to acquire buffer from reprocess stream %d: " 1082 "%s (%d)", __FUNCTION__, -b.streamId, 1083 strerror(-res), res); 1084 mParent->signalError(); 1085 return false; 1086 } 1087 1088 /* Lock the buffer from the perspective of the graphics mapper */ 1089 const Rect rect(s.width, s.height); 1090 1091 res = GraphicBufferMapper::get().lock(*(b.buffer), 1092 GRALLOC_USAGE_HW_CAMERA_READ, 1093 rect, (void**)&(b.img) ); 1094 if (res != NO_ERROR) { 1095 ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)", 1096 __FUNCTION__, strerror(-res), res); 1097 s.ops->release_buffer(s.ops, 1098 b.buffer); 1099 mParent->signalError(); 1100 return false; 1101 } 1102 } 1103 } 1104 return true; 1105 } 1106 1107 EmulatedFakeCamera2::ReadoutThread::ReadoutThread(EmulatedFakeCamera2 *parent): 1108 Thread(false), 1109 mParent(parent), 1110 mRunning(false), 1111 mActive(false), 1112 mRequestCount(0), 1113 mRequest(NULL), 1114 mBuffers(NULL) { 1115 mInFlightQueue = new InFlightQueue[kInFlightQueueSize]; 1116 mInFlightHead = 0; 1117 mInFlightTail = 0; 1118 } 1119 1120 EmulatedFakeCamera2::ReadoutThread::~ReadoutThread() { 1121 delete mInFlightQueue; 1122 } 1123 1124 status_t EmulatedFakeCamera2::ReadoutThread::readyToRun() { 1125 Mutex::Autolock lock(mInputMutex); 1126 ALOGV("Starting up ReadoutThread"); 1127 mRunning = true; 1128 mInputSignal.signal(); 1129 return NO_ERROR; 1130 } 1131 1132 status_t EmulatedFakeCamera2::ReadoutThread::waitUntilRunning() { 1133 Mutex::Autolock lock(mInputMutex); 1134 if (!mRunning) { 1135 ALOGV("Waiting for readout thread to start"); 1136 mInputSignal.wait(mInputMutex); 1137 } 1138 return OK; 1139 } 1140 1141 bool EmulatedFakeCamera2::ReadoutThread::waitForReady(nsecs_t timeout) { 1142 status_t res; 1143 Mutex::Autolock lock(mInputMutex); 1144 while (!readyForNextCapture()) { 1145 res = mReadySignal.waitRelative(mInputMutex, timeout); 1146 if (res == TIMED_OUT) return false; 1147 if (res != OK) { 1148 ALOGE("%s: Error waiting for ready: %s (%d)", __FUNCTION__, 1149 strerror(-res), res); 1150 return false; 1151 } 1152 } 1153 return true; 1154 } 1155 1156 bool EmulatedFakeCamera2::ReadoutThread::readyForNextCapture() { 1157 return (mInFlightTail + 1) % kInFlightQueueSize != mInFlightHead; 1158 } 1159 1160 void EmulatedFakeCamera2::ReadoutThread::setNextOperation( 1161 bool isCapture, 1162 camera_metadata_t *request, 1163 Buffers *buffers) { 1164 Mutex::Autolock lock(mInputMutex); 1165 if ( !readyForNextCapture() ) { 1166 ALOGE("In flight queue full, dropping captures"); 1167 mParent->signalError(); 1168 return; 1169 } 1170 mInFlightQueue[mInFlightTail].isCapture = isCapture; 1171 mInFlightQueue[mInFlightTail].request = request; 1172 mInFlightQueue[mInFlightTail].buffers = buffers; 1173 mInFlightTail = (mInFlightTail + 1) % kInFlightQueueSize; 1174 mRequestCount++; 1175 1176 if (!mActive) { 1177 mActive = true; 1178 mInputSignal.signal(); 1179 } 1180 } 1181 1182 bool EmulatedFakeCamera2::ReadoutThread::isStreamInUse(uint32_t id) { 1183 // acquire in same order as threadLoop 1184 Mutex::Autolock iLock(mInternalsMutex); 1185 Mutex::Autolock lock(mInputMutex); 1186 1187 size_t i = mInFlightHead; 1188 while (i != mInFlightTail) { 1189 for (size_t j = 0; j < mInFlightQueue[i].buffers->size(); j++) { 1190 if ( (*(mInFlightQueue[i].buffers))[j].streamId == (int)id ) 1191 return true; 1192 } 1193 i = (i + 1) % kInFlightQueueSize; 1194 } 1195 1196 1197 if (mBuffers != NULL) { 1198 for (i = 0; i < mBuffers->size(); i++) { 1199 if ( (*mBuffers)[i].streamId == (int)id) return true; 1200 } 1201 } 1202 1203 return false; 1204 } 1205 1206 int EmulatedFakeCamera2::ReadoutThread::getInProgressCount() { 1207 Mutex::Autolock lock(mInputMutex); 1208 1209 return mRequestCount; 1210 } 1211 1212 bool EmulatedFakeCamera2::ReadoutThread::threadLoop() { 1213 static const nsecs_t kWaitPerLoop = 10000000L; // 10 ms 1214 status_t res; 1215 int32_t frameNumber; 1216 1217 // Check if we're currently processing or just waiting 1218 { 1219 Mutex::Autolock lock(mInputMutex); 1220 if (!mActive) { 1221 // Inactive, keep waiting until we've been signaled 1222 res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop); 1223 if (res != NO_ERROR && res != TIMED_OUT) { 1224 ALOGE("%s: Error waiting for capture requests: %d", 1225 __FUNCTION__, res); 1226 mParent->signalError(); 1227 return false; 1228 } 1229 if (!mActive) return true; 1230 } 1231 // Active, see if we need a new request 1232 if (mRequest == NULL) { 1233 if (mInFlightHead == mInFlightTail) { 1234 // Go inactive 1235 ALOGV("Waiting for sensor data"); 1236 mActive = false; 1237 return true; 1238 } else { 1239 Mutex::Autolock iLock(mInternalsMutex); 1240 mReadySignal.signal(); 1241 mIsCapture = mInFlightQueue[mInFlightHead].isCapture; 1242 mRequest = mInFlightQueue[mInFlightHead].request; 1243 mBuffers = mInFlightQueue[mInFlightHead].buffers; 1244 mInFlightQueue[mInFlightHead].request = NULL; 1245 mInFlightQueue[mInFlightHead].buffers = NULL; 1246 mInFlightHead = (mInFlightHead + 1) % kInFlightQueueSize; 1247 ALOGV("Ready to read out request %p, %zu buffers", 1248 mRequest, mBuffers->size()); 1249 } 1250 } 1251 } 1252 1253 // Active with request, wait on sensor to complete 1254 1255 nsecs_t captureTime; 1256 1257 if (mIsCapture) { 1258 bool gotFrame; 1259 gotFrame = mParent->mSensor->waitForNewFrame(kWaitPerLoop, 1260 &captureTime); 1261 1262 if (!gotFrame) return true; 1263 } 1264 1265 Mutex::Autolock iLock(mInternalsMutex); 1266 1267 camera_metadata_entry_t entry; 1268 if (!mIsCapture) { 1269 res = find_camera_metadata_entry(mRequest, 1270 ANDROID_SENSOR_TIMESTAMP, 1271 &entry); 1272 if (res != NO_ERROR) { 1273 ALOGE("%s: error reading reprocessing timestamp: %s (%d)", 1274 __FUNCTION__, strerror(-res), res); 1275 mParent->signalError(); 1276 return false; 1277 } 1278 captureTime = entry.data.i64[0]; 1279 } 1280 1281 res = find_camera_metadata_entry(mRequest, 1282 ANDROID_REQUEST_FRAME_COUNT, 1283 &entry); 1284 if (res != NO_ERROR) { 1285 ALOGE("%s: error reading frame count tag: %s (%d)", 1286 __FUNCTION__, strerror(-res), res); 1287 mParent->signalError(); 1288 return false; 1289 } 1290 frameNumber = *entry.data.i32; 1291 1292 res = find_camera_metadata_entry(mRequest, 1293 ANDROID_REQUEST_METADATA_MODE, 1294 &entry); 1295 if (res != NO_ERROR) { 1296 ALOGE("%s: error reading metadata mode tag: %s (%d)", 1297 __FUNCTION__, strerror(-res), res); 1298 mParent->signalError(); 1299 return false; 1300 } 1301 1302 // Got sensor data and request, construct frame and send it out 1303 ALOGV("Readout: Constructing metadata and frames for request %d", 1304 frameNumber); 1305 1306 if (*entry.data.u8 == ANDROID_REQUEST_METADATA_MODE_FULL) { 1307 ALOGV("Readout: Metadata requested, constructing"); 1308 1309 camera_metadata_t *frame = NULL; 1310 1311 size_t frame_entries = get_camera_metadata_entry_count(mRequest); 1312 size_t frame_data = get_camera_metadata_data_count(mRequest); 1313 1314 // TODO: Dynamically calculate based on enabled statistics, etc 1315 frame_entries += 10; 1316 frame_data += 100; 1317 1318 res = mParent->mFrameQueueDst->dequeue_frame(mParent->mFrameQueueDst, 1319 frame_entries, frame_data, &frame); 1320 1321 if (res != NO_ERROR || frame == NULL) { 1322 ALOGE("%s: Unable to dequeue frame metadata buffer", __FUNCTION__); 1323 mParent->signalError(); 1324 return false; 1325 } 1326 1327 res = append_camera_metadata(frame, mRequest); 1328 if (res != NO_ERROR) { 1329 ALOGE("Unable to append request metadata"); 1330 } 1331 1332 if (mIsCapture) { 1333 add_camera_metadata_entry(frame, 1334 ANDROID_SENSOR_TIMESTAMP, 1335 &captureTime, 1336 1); 1337 1338 collectStatisticsMetadata(frame); 1339 // TODO: Collect all final values used from sensor in addition to timestamp 1340 } 1341 1342 ALOGV("Readout: Enqueue frame %d", frameNumber); 1343 mParent->mFrameQueueDst->enqueue_frame(mParent->mFrameQueueDst, 1344 frame); 1345 } 1346 ALOGV("Readout: Free request"); 1347 res = mParent->mRequestQueueSrc->free_request(mParent->mRequestQueueSrc, mRequest); 1348 if (res != NO_ERROR) { 1349 ALOGE("%s: Unable to return request buffer to queue: %d", 1350 __FUNCTION__, res); 1351 mParent->signalError(); 1352 return false; 1353 } 1354 mRequest = NULL; 1355 1356 int compressedBufferIndex = -1; 1357 ALOGV("Readout: Processing %zu buffers", mBuffers->size()); 1358 for (size_t i = 0; i < mBuffers->size(); i++) { 1359 const StreamBuffer &b = (*mBuffers)[i]; 1360 ALOGV("Readout: Buffer %zu: Stream %d, %d x %d, format 0x%x, stride %d", 1361 i, b.streamId, b.width, b.height, b.format, b.stride); 1362 if (b.streamId > 0) { 1363 if (b.format == HAL_PIXEL_FORMAT_BLOB) { 1364 // Assumes only one BLOB buffer type per capture 1365 compressedBufferIndex = i; 1366 } else { 1367 ALOGV("Readout: Sending image buffer %zu (%p) to output stream %d", 1368 i, (void*)*(b.buffer), b.streamId); 1369 GraphicBufferMapper::get().unlock(*(b.buffer)); 1370 const Stream &s = mParent->getStreamInfo(b.streamId); 1371 res = s.ops->enqueue_buffer(s.ops, captureTime, b.buffer); 1372 if (res != OK) { 1373 ALOGE("Error enqueuing image buffer %p: %s (%d)", b.buffer, 1374 strerror(-res), res); 1375 mParent->signalError(); 1376 } 1377 } 1378 } 1379 } 1380 1381 if (compressedBufferIndex == -1) { 1382 delete mBuffers; 1383 } else { 1384 ALOGV("Readout: Starting JPEG compression for buffer %d, stream %d", 1385 compressedBufferIndex, 1386 (*mBuffers)[compressedBufferIndex].streamId); 1387 mJpegTimestamp = captureTime; 1388 // Takes ownership of mBuffers 1389 mParent->mJpegCompressor->start(mBuffers, this); 1390 } 1391 mBuffers = NULL; 1392 1393 Mutex::Autolock l(mInputMutex); 1394 mRequestCount--; 1395 ALOGV("Readout: Done with request %d", frameNumber); 1396 return true; 1397 } 1398 1399 void EmulatedFakeCamera2::ReadoutThread::onJpegDone( 1400 const StreamBuffer &jpegBuffer, bool success) { 1401 status_t res; 1402 if (!success) { 1403 ALOGE("%s: Error queueing compressed image buffer %p", 1404 __FUNCTION__, jpegBuffer.buffer); 1405 mParent->signalError(); 1406 return; 1407 } 1408 1409 // Write to JPEG output stream 1410 ALOGV("%s: Compression complete, pushing to stream %d", __FUNCTION__, 1411 jpegBuffer.streamId); 1412 1413 GraphicBufferMapper::get().unlock(*(jpegBuffer.buffer)); 1414 const Stream &s = mParent->getStreamInfo(jpegBuffer.streamId); 1415 res = s.ops->enqueue_buffer(s.ops, mJpegTimestamp, jpegBuffer.buffer); 1416 } 1417 1418 void EmulatedFakeCamera2::ReadoutThread::onJpegInputDone( 1419 const StreamBuffer &inputBuffer) { 1420 status_t res; 1421 GraphicBufferMapper::get().unlock(*(inputBuffer.buffer)); 1422 const ReprocessStream &s = 1423 mParent->getReprocessStreamInfo(-inputBuffer.streamId); 1424 res = s.ops->release_buffer(s.ops, inputBuffer.buffer); 1425 if (res != OK) { 1426 ALOGE("Error releasing reprocess buffer %p: %s (%d)", 1427 inputBuffer.buffer, strerror(-res), res); 1428 mParent->signalError(); 1429 } 1430 } 1431 1432 status_t EmulatedFakeCamera2::ReadoutThread::collectStatisticsMetadata( 1433 camera_metadata_t *frame) { 1434 // Completely fake face rectangles, don't correspond to real faces in scene 1435 ALOGV("Readout: Collecting statistics metadata"); 1436 1437 status_t res; 1438 camera_metadata_entry_t entry; 1439 res = find_camera_metadata_entry(frame, 1440 ANDROID_STATISTICS_FACE_DETECT_MODE, 1441 &entry); 1442 if (res != OK) { 1443 ALOGE("%s: Unable to find face detect mode!", __FUNCTION__); 1444 return BAD_VALUE; 1445 } 1446 1447 if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) return OK; 1448 1449 // The coordinate system for the face regions is the raw sensor pixel 1450 // coordinates. Here, we map from the scene coordinates (0-19 in both axis) 1451 // to raw pixels, for the scene defined in fake-pipeline2/Scene.cpp. We 1452 // approximately place two faces on top of the windows of the house. No 1453 // actual faces exist there, but might one day. Note that this doesn't 1454 // account for the offsets used to account for aspect ratio differences, so 1455 // the rectangles don't line up quite right. 1456 const size_t numFaces = 2; 1457 int32_t rects[numFaces * 4] = { 1458 Sensor::kResolution[0] * 10 / 20, 1459 Sensor::kResolution[1] * 15 / 20, 1460 Sensor::kResolution[0] * 12 / 20, 1461 Sensor::kResolution[1] * 17 / 20, 1462 1463 Sensor::kResolution[0] * 16 / 20, 1464 Sensor::kResolution[1] * 15 / 20, 1465 Sensor::kResolution[0] * 18 / 20, 1466 Sensor::kResolution[1] * 17 / 20 1467 }; 1468 // To simulate some kind of real detection going on, we jitter the rectangles on 1469 // each frame by a few pixels in each dimension. 1470 for (size_t i = 0; i < numFaces * 4; i++) { 1471 rects[i] += (int32_t)(((float)rand() / RAND_MAX) * 6 - 3); 1472 } 1473 // The confidence scores (0-100) are similarly jittered. 1474 uint8_t scores[numFaces] = { 85, 95 }; 1475 for (size_t i = 0; i < numFaces; i++) { 1476 scores[i] += (int32_t)(((float)rand() / RAND_MAX) * 10 - 5); 1477 } 1478 1479 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_RECTANGLES, 1480 rects, numFaces * 4); 1481 if (res != OK) { 1482 ALOGE("%s: Unable to add face rectangles!", __FUNCTION__); 1483 return BAD_VALUE; 1484 } 1485 1486 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_SCORES, 1487 scores, numFaces); 1488 if (res != OK) { 1489 ALOGE("%s: Unable to add face scores!", __FUNCTION__); 1490 return BAD_VALUE; 1491 } 1492 1493 if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE) return OK; 1494 1495 // Advanced face detection options - add eye/mouth coordinates. The 1496 // coordinates in order are (leftEyeX, leftEyeY, rightEyeX, rightEyeY, 1497 // mouthX, mouthY). The mapping is the same as the face rectangles. 1498 int32_t features[numFaces * 6] = { 1499 Sensor::kResolution[0] * 10.5 / 20, 1500 Sensor::kResolution[1] * 16 / 20, 1501 Sensor::kResolution[0] * 11.5 / 20, 1502 Sensor::kResolution[1] * 16 / 20, 1503 Sensor::kResolution[0] * 11 / 20, 1504 Sensor::kResolution[1] * 16.5 / 20, 1505 1506 Sensor::kResolution[0] * 16.5 / 20, 1507 Sensor::kResolution[1] * 16 / 20, 1508 Sensor::kResolution[0] * 17.5 / 20, 1509 Sensor::kResolution[1] * 16 / 20, 1510 Sensor::kResolution[0] * 17 / 20, 1511 Sensor::kResolution[1] * 16.5 / 20, 1512 }; 1513 // Jitter these a bit less than the rects 1514 for (size_t i = 0; i < numFaces * 6; i++) { 1515 features[i] += (int32_t)(((float)rand() / RAND_MAX) * 4 - 2); 1516 } 1517 // These are unique IDs that are used to identify each face while it's 1518 // visible to the detector (if a face went away and came back, it'd get a 1519 // new ID). 1520 int32_t ids[numFaces] = { 1521 100, 200 1522 }; 1523 1524 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_LANDMARKS, 1525 features, numFaces * 6); 1526 if (res != OK) { 1527 ALOGE("%s: Unable to add face landmarks!", __FUNCTION__); 1528 return BAD_VALUE; 1529 } 1530 1531 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_IDS, 1532 ids, numFaces); 1533 if (res != OK) { 1534 ALOGE("%s: Unable to add face scores!", __FUNCTION__); 1535 return BAD_VALUE; 1536 } 1537 1538 return OK; 1539 } 1540 1541 EmulatedFakeCamera2::ControlThread::ControlThread(EmulatedFakeCamera2 *parent): 1542 Thread(false), 1543 mParent(parent) { 1544 mRunning = false; 1545 } 1546 1547 EmulatedFakeCamera2::ControlThread::~ControlThread() { 1548 } 1549 1550 status_t EmulatedFakeCamera2::ControlThread::readyToRun() { 1551 Mutex::Autolock lock(mInputMutex); 1552 1553 ALOGV("Starting up ControlThread"); 1554 mRunning = true; 1555 mStartAf = false; 1556 mCancelAf = false; 1557 mStartPrecapture = false; 1558 1559 mControlMode = ANDROID_CONTROL_MODE_AUTO; 1560 1561 mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 1562 mSceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY; 1563 1564 mAfMode = ANDROID_CONTROL_AF_MODE_AUTO; 1565 mAfModeChange = false; 1566 1567 mAeMode = ANDROID_CONTROL_AE_MODE_ON; 1568 mAwbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 1569 1570 mAfTriggerId = 0; 1571 mPrecaptureTriggerId = 0; 1572 1573 mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1574 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1575 mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE; 1576 1577 mExposureTime = kNormalExposureTime; 1578 1579 mInputSignal.signal(); 1580 return NO_ERROR; 1581 } 1582 1583 status_t EmulatedFakeCamera2::ControlThread::waitUntilRunning() { 1584 Mutex::Autolock lock(mInputMutex); 1585 if (!mRunning) { 1586 ALOGV("Waiting for control thread to start"); 1587 mInputSignal.wait(mInputMutex); 1588 } 1589 return OK; 1590 } 1591 1592 // Override android.control.* fields with 3A values before sending request to sensor 1593 status_t EmulatedFakeCamera2::ControlThread::processRequest(camera_metadata_t *request) { 1594 Mutex::Autolock lock(mInputMutex); 1595 // TODO: Add handling for all android.control.* fields here 1596 camera_metadata_entry_t mode; 1597 status_t res; 1598 1599 #define READ_IF_OK(res, what, def) \ 1600 (((res) == OK) ? (what) : (uint8_t)(def)) 1601 1602 res = find_camera_metadata_entry(request, 1603 ANDROID_CONTROL_MODE, 1604 &mode); 1605 mControlMode = READ_IF_OK(res, mode.data.u8[0], ANDROID_CONTROL_MODE_OFF); 1606 1607 // disable all 3A 1608 if (mControlMode == ANDROID_CONTROL_MODE_OFF) { 1609 mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 1610 mSceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED; 1611 mAfMode = ANDROID_CONTROL_AF_MODE_OFF; 1612 mAeLock = ANDROID_CONTROL_AE_LOCK_ON; 1613 mAeMode = ANDROID_CONTROL_AE_MODE_OFF; 1614 mAfModeChange = true; 1615 mStartAf = false; 1616 mCancelAf = true; 1617 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1618 mAwbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1619 return res; 1620 } 1621 1622 res = find_camera_metadata_entry(request, 1623 ANDROID_CONTROL_EFFECT_MODE, 1624 &mode); 1625 mEffectMode = READ_IF_OK(res, mode.data.u8[0], 1626 ANDROID_CONTROL_EFFECT_MODE_OFF); 1627 1628 res = find_camera_metadata_entry(request, 1629 ANDROID_CONTROL_SCENE_MODE, 1630 &mode); 1631 mSceneMode = READ_IF_OK(res, mode.data.u8[0], 1632 ANDROID_CONTROL_SCENE_MODE_DISABLED); 1633 1634 res = find_camera_metadata_entry(request, 1635 ANDROID_CONTROL_AF_MODE, 1636 &mode); 1637 if (mAfMode != mode.data.u8[0]) { 1638 ALOGV("AF new mode: %d, old mode %d", mode.data.u8[0], mAfMode); 1639 mAfMode = mode.data.u8[0]; 1640 mAfModeChange = true; 1641 mStartAf = false; 1642 mCancelAf = false; 1643 } 1644 1645 res = find_camera_metadata_entry(request, 1646 ANDROID_CONTROL_AE_MODE, 1647 &mode); 1648 mAeMode = READ_IF_OK(res, mode.data.u8[0], 1649 ANDROID_CONTROL_AE_MODE_OFF); 1650 1651 res = find_camera_metadata_entry(request, 1652 ANDROID_CONTROL_AE_LOCK, 1653 &mode); 1654 uint8_t aeLockVal = READ_IF_OK(res, mode.data.u8[0], 1655 ANDROID_CONTROL_AE_LOCK_ON); 1656 bool aeLock = (aeLockVal == ANDROID_CONTROL_AE_LOCK_ON); 1657 if (mAeLock && !aeLock) { 1658 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1659 } 1660 mAeLock = aeLock; 1661 1662 res = find_camera_metadata_entry(request, 1663 ANDROID_CONTROL_AWB_MODE, 1664 &mode); 1665 mAwbMode = READ_IF_OK(res, mode.data.u8[0], 1666 ANDROID_CONTROL_AWB_MODE_OFF); 1667 1668 // TODO: Override more control fields 1669 1670 if (mAeMode != ANDROID_CONTROL_AE_MODE_OFF) { 1671 camera_metadata_entry_t exposureTime; 1672 res = find_camera_metadata_entry(request, 1673 ANDROID_SENSOR_EXPOSURE_TIME, 1674 &exposureTime); 1675 if (res == OK) { 1676 exposureTime.data.i64[0] = mExposureTime; 1677 } 1678 } 1679 1680 #undef READ_IF_OK 1681 1682 return OK; 1683 } 1684 1685 status_t EmulatedFakeCamera2::ControlThread::triggerAction(uint32_t msgType, 1686 int32_t ext1, int32_t ext2) { 1687 ALOGV("%s: Triggering %d (%d, %d)", __FUNCTION__, msgType, ext1, ext2); 1688 Mutex::Autolock lock(mInputMutex); 1689 switch (msgType) { 1690 case CAMERA2_TRIGGER_AUTOFOCUS: 1691 mAfTriggerId = ext1; 1692 mStartAf = true; 1693 mCancelAf = false; 1694 break; 1695 case CAMERA2_TRIGGER_CANCEL_AUTOFOCUS: 1696 mAfTriggerId = ext1; 1697 mStartAf = false; 1698 mCancelAf = true; 1699 break; 1700 case CAMERA2_TRIGGER_PRECAPTURE_METERING: 1701 mPrecaptureTriggerId = ext1; 1702 mStartPrecapture = true; 1703 break; 1704 default: 1705 ALOGE("%s: Unknown action triggered: %d (arguments %d %d)", 1706 __FUNCTION__, msgType, ext1, ext2); 1707 return BAD_VALUE; 1708 } 1709 return OK; 1710 } 1711 1712 const nsecs_t EmulatedFakeCamera2::ControlThread::kControlCycleDelay = 100 * MSEC; 1713 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAfDuration = 500 * MSEC; 1714 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAfDuration = 900 * MSEC; 1715 const float EmulatedFakeCamera2::ControlThread::kAfSuccessRate = 0.9; 1716 // Once every 5 seconds 1717 const float EmulatedFakeCamera2::ControlThread::kContinuousAfStartRate = 1718 kControlCycleDelay / 5.0 * SEC; 1719 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAeDuration = 500 * MSEC; 1720 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAeDuration = 2 * SEC; 1721 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinPrecaptureAeDuration = 100 * MSEC; 1722 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxPrecaptureAeDuration = 400 * MSEC; 1723 // Once every 3 seconds 1724 const float EmulatedFakeCamera2::ControlThread::kAeScanStartRate = 1725 kControlCycleDelay / 3000000000.0; 1726 1727 const nsecs_t EmulatedFakeCamera2::ControlThread::kNormalExposureTime = 10 * MSEC; 1728 const nsecs_t EmulatedFakeCamera2::ControlThread::kExposureJump = 2 * MSEC; 1729 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinExposureTime = 1 * MSEC; 1730 1731 bool EmulatedFakeCamera2::ControlThread::threadLoop() { 1732 bool afModeChange = false; 1733 bool afTriggered = false; 1734 bool afCancelled = false; 1735 uint8_t afState; 1736 uint8_t afMode; 1737 int32_t afTriggerId; 1738 bool precaptureTriggered = false; 1739 uint8_t aeState; 1740 uint8_t aeMode; 1741 bool aeLock; 1742 int32_t precaptureTriggerId; 1743 nsecs_t nextSleep = kControlCycleDelay; 1744 1745 { 1746 Mutex::Autolock lock(mInputMutex); 1747 if (mStartAf) { 1748 ALOGD("Starting AF trigger processing"); 1749 afTriggered = true; 1750 mStartAf = false; 1751 } else if (mCancelAf) { 1752 ALOGD("Starting cancel AF trigger processing"); 1753 afCancelled = true; 1754 mCancelAf = false; 1755 } 1756 afState = mAfState; 1757 afMode = mAfMode; 1758 afModeChange = mAfModeChange; 1759 mAfModeChange = false; 1760 1761 afTriggerId = mAfTriggerId; 1762 1763 if(mStartPrecapture) { 1764 ALOGD("Starting precapture trigger processing"); 1765 precaptureTriggered = true; 1766 mStartPrecapture = false; 1767 } 1768 aeState = mAeState; 1769 aeMode = mAeMode; 1770 aeLock = mAeLock; 1771 precaptureTriggerId = mPrecaptureTriggerId; 1772 } 1773 1774 if (afCancelled || afModeChange) { 1775 ALOGV("Resetting AF state due to cancel/mode change"); 1776 afState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1777 updateAfState(afState, afTriggerId); 1778 mAfScanDuration = 0; 1779 mLockAfterPassiveScan = false; 1780 } 1781 1782 uint8_t oldAfState = afState; 1783 1784 if (afTriggered) { 1785 afState = processAfTrigger(afMode, afState); 1786 } 1787 1788 afState = maybeStartAfScan(afMode, afState); 1789 afState = updateAfScan(afMode, afState, &nextSleep); 1790 updateAfState(afState, afTriggerId); 1791 1792 if (precaptureTriggered) { 1793 aeState = processPrecaptureTrigger(aeMode, aeState); 1794 } 1795 1796 aeState = maybeStartAeScan(aeMode, aeLock, aeState); 1797 aeState = updateAeScan(aeMode, aeLock, aeState, &nextSleep); 1798 updateAeState(aeState, precaptureTriggerId); 1799 1800 int ret; 1801 timespec t; 1802 t.tv_sec = 0; 1803 t.tv_nsec = nextSleep; 1804 do { 1805 ret = nanosleep(&t, &t); 1806 } while (ret != 0); 1807 1808 if (mAfScanDuration > 0) { 1809 mAfScanDuration -= nextSleep; 1810 } 1811 if (mAeScanDuration > 0) { 1812 mAeScanDuration -= nextSleep; 1813 } 1814 1815 return true; 1816 } 1817 1818 int EmulatedFakeCamera2::ControlThread::processAfTrigger(uint8_t afMode, 1819 uint8_t afState) { 1820 switch (afMode) { 1821 case ANDROID_CONTROL_AF_MODE_OFF: 1822 case ANDROID_CONTROL_AF_MODE_EDOF: 1823 // Do nothing 1824 break; 1825 case ANDROID_CONTROL_AF_MODE_MACRO: 1826 case ANDROID_CONTROL_AF_MODE_AUTO: 1827 switch (afState) { 1828 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1829 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1830 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1831 // Start new focusing cycle 1832 mAfScanDuration = ((double)rand() / RAND_MAX) * 1833 (kMaxAfDuration - kMinAfDuration) + kMinAfDuration; 1834 afState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN; 1835 ALOGV("%s: AF scan start, duration %" PRId64 " ms", 1836 __FUNCTION__, mAfScanDuration / 1000000); 1837 break; 1838 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1839 // Ignore new request, already scanning 1840 break; 1841 default: 1842 ALOGE("Unexpected AF state in AUTO/MACRO AF mode: %d", 1843 afState); 1844 } 1845 break; 1846 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1847 switch (afState) { 1848 // Picture mode waits for passive scan to complete 1849 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1850 mLockAfterPassiveScan = true; 1851 break; 1852 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1853 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1854 break; 1855 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1856 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1857 break; 1858 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1859 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1860 // Must cancel to get out of these states 1861 break; 1862 default: 1863 ALOGE("Unexpected AF state in CONTINUOUS_PICTURE AF mode: %d", 1864 afState); 1865 } 1866 break; 1867 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1868 switch (afState) { 1869 // Video mode does not wait for passive scan to complete 1870 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1871 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1872 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1873 break; 1874 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1875 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1876 break; 1877 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1878 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1879 // Must cancel to get out of these states 1880 break; 1881 default: 1882 ALOGE("Unexpected AF state in CONTINUOUS_VIDEO AF mode: %d", 1883 afState); 1884 } 1885 break; 1886 default: 1887 break; 1888 } 1889 return afState; 1890 } 1891 1892 int EmulatedFakeCamera2::ControlThread::maybeStartAfScan(uint8_t afMode, 1893 uint8_t afState) { 1894 if ((afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO || 1895 afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE) && 1896 (afState == ANDROID_CONTROL_AF_STATE_INACTIVE || 1897 afState == ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED)) { 1898 1899 bool startScan = ((double)rand() / RAND_MAX) < kContinuousAfStartRate; 1900 if (startScan) { 1901 // Start new passive focusing cycle 1902 mAfScanDuration = ((double)rand() / RAND_MAX) * 1903 (kMaxAfDuration - kMinAfDuration) + kMinAfDuration; 1904 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN; 1905 ALOGV("%s: AF passive scan start, duration %" PRId64 " ms", 1906 __FUNCTION__, mAfScanDuration / 1000000); 1907 } 1908 } 1909 return afState; 1910 } 1911 1912 int EmulatedFakeCamera2::ControlThread::updateAfScan(uint8_t afMode, 1913 uint8_t afState, nsecs_t *maxSleep) { 1914 if (! (afState == ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN || 1915 afState == ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN ) ) { 1916 return afState; 1917 } 1918 1919 if (mAfScanDuration <= 0) { 1920 ALOGV("%s: AF scan done", __FUNCTION__); 1921 switch (afMode) { 1922 case ANDROID_CONTROL_AF_MODE_MACRO: 1923 case ANDROID_CONTROL_AF_MODE_AUTO: { 1924 bool success = ((double)rand() / RAND_MAX) < kAfSuccessRate; 1925 if (success) { 1926 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1927 } else { 1928 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1929 } 1930 break; 1931 } 1932 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1933 if (mLockAfterPassiveScan) { 1934 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1935 mLockAfterPassiveScan = false; 1936 } else { 1937 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED; 1938 } 1939 break; 1940 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1941 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED; 1942 break; 1943 default: 1944 ALOGE("Unexpected AF mode in scan state"); 1945 } 1946 } else { 1947 if (mAfScanDuration <= *maxSleep) { 1948 *maxSleep = mAfScanDuration; 1949 } 1950 } 1951 return afState; 1952 } 1953 1954 void EmulatedFakeCamera2::ControlThread::updateAfState(uint8_t newState, 1955 int32_t triggerId) { 1956 Mutex::Autolock lock(mInputMutex); 1957 if (mAfState != newState) { 1958 ALOGV("%s: Autofocus state now %d, id %d", __FUNCTION__, 1959 newState, triggerId); 1960 mAfState = newState; 1961 mParent->sendNotification(CAMERA2_MSG_AUTOFOCUS, 1962 newState, triggerId, 0); 1963 } 1964 } 1965 1966 int EmulatedFakeCamera2::ControlThread::processPrecaptureTrigger(uint8_t aeMode, 1967 uint8_t aeState) { 1968 switch (aeMode) { 1969 case ANDROID_CONTROL_AE_MODE_OFF: 1970 // Don't do anything for these 1971 return aeState; 1972 case ANDROID_CONTROL_AE_MODE_ON: 1973 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 1974 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 1975 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 1976 // Trigger a precapture cycle 1977 aeState = ANDROID_CONTROL_AE_STATE_PRECAPTURE; 1978 mAeScanDuration = ((double)rand() / RAND_MAX) * 1979 (kMaxPrecaptureAeDuration - kMinPrecaptureAeDuration) + 1980 kMinPrecaptureAeDuration; 1981 ALOGD("%s: AE precapture scan start, duration %" PRId64 " ms", 1982 __FUNCTION__, mAeScanDuration / 1000000); 1983 1984 } 1985 return aeState; 1986 } 1987 1988 int EmulatedFakeCamera2::ControlThread::maybeStartAeScan(uint8_t aeMode, 1989 bool aeLocked, 1990 uint8_t aeState) { 1991 if (aeLocked) return aeState; 1992 switch (aeMode) { 1993 case ANDROID_CONTROL_AE_MODE_OFF: 1994 break; 1995 case ANDROID_CONTROL_AE_MODE_ON: 1996 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 1997 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 1998 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: { 1999 if (aeState != ANDROID_CONTROL_AE_STATE_INACTIVE && 2000 aeState != ANDROID_CONTROL_AE_STATE_CONVERGED) break; 2001 2002 bool startScan = ((double)rand() / RAND_MAX) < kAeScanStartRate; 2003 if (startScan) { 2004 mAeScanDuration = ((double)rand() / RAND_MAX) * 2005 (kMaxAeDuration - kMinAeDuration) + kMinAeDuration; 2006 aeState = ANDROID_CONTROL_AE_STATE_SEARCHING; 2007 ALOGV("%s: AE scan start, duration %" PRId64 " ms", 2008 __FUNCTION__, mAeScanDuration / 1000000); 2009 } 2010 } 2011 } 2012 2013 return aeState; 2014 } 2015 2016 int EmulatedFakeCamera2::ControlThread::updateAeScan(uint8_t aeMode, 2017 bool aeLock, uint8_t aeState, nsecs_t *maxSleep) { 2018 if (aeLock && aeState != ANDROID_CONTROL_AE_STATE_PRECAPTURE) { 2019 mAeScanDuration = 0; 2020 aeState = ANDROID_CONTROL_AE_STATE_LOCKED; 2021 } else if ((aeState == ANDROID_CONTROL_AE_STATE_SEARCHING) || 2022 (aeState == ANDROID_CONTROL_AE_STATE_PRECAPTURE ) ) { 2023 if (mAeScanDuration <= 0) { 2024 ALOGV("%s: AE scan done", __FUNCTION__); 2025 aeState = aeLock ? 2026 ANDROID_CONTROL_AE_STATE_LOCKED :ANDROID_CONTROL_AE_STATE_CONVERGED; 2027 2028 Mutex::Autolock lock(mInputMutex); 2029 mExposureTime = kNormalExposureTime; 2030 } else { 2031 if (mAeScanDuration <= *maxSleep) { 2032 *maxSleep = mAeScanDuration; 2033 } 2034 2035 int64_t exposureDelta = 2036 ((double)rand() / RAND_MAX) * 2 * kExposureJump - 2037 kExposureJump; 2038 Mutex::Autolock lock(mInputMutex); 2039 mExposureTime = mExposureTime + exposureDelta; 2040 if (mExposureTime < kMinExposureTime) mExposureTime = kMinExposureTime; 2041 } 2042 } 2043 2044 return aeState; 2045 } 2046 2047 2048 void EmulatedFakeCamera2::ControlThread::updateAeState(uint8_t newState, 2049 int32_t triggerId) { 2050 Mutex::Autolock lock(mInputMutex); 2051 if (mAeState != newState) { 2052 ALOGV("%s: Autoexposure state now %d, id %d", __FUNCTION__, 2053 newState, triggerId); 2054 mAeState = newState; 2055 mParent->sendNotification(CAMERA2_MSG_AUTOEXPOSURE, 2056 newState, triggerId, 0); 2057 } 2058 } 2059 2060 /** Private methods */ 2061 2062 status_t EmulatedFakeCamera2::constructStaticInfo( 2063 camera_metadata_t **info, 2064 bool sizeRequest) const { 2065 2066 size_t entryCount = 0; 2067 size_t dataCount = 0; 2068 status_t ret; 2069 2070 #define ADD_OR_SIZE( tag, data, count ) \ 2071 if ( ( ret = addOrSize(*info, sizeRequest, &entryCount, &dataCount, \ 2072 tag, data, count) ) != OK ) return ret 2073 2074 // android.lens 2075 2076 // 5 cm min focus distance for back camera, infinity (fixed focus) for front 2077 const float minFocusDistance = mFacingBack ? 1.0/0.05 : 0.0; 2078 ADD_OR_SIZE(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 2079 &minFocusDistance, 1); 2080 // 5 m hyperfocal distance for back camera, infinity (fixed focus) for front 2081 const float hyperFocalDistance = mFacingBack ? 1.0/5.0 : 0.0; 2082 ADD_OR_SIZE(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE, 2083 &minFocusDistance, 1); 2084 2085 static const float focalLength = 3.30f; // mm 2086 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 2087 &focalLength, 1); 2088 static const float aperture = 2.8f; 2089 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_APERTURES, 2090 &aperture, 1); 2091 static const float filterDensity = 0; 2092 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FILTER_DENSITIES, 2093 &filterDensity, 1); 2094 static const uint8_t availableOpticalStabilization = 2095 ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; 2096 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, 2097 &availableOpticalStabilization, 1); 2098 2099 static const int32_t lensShadingMapSize[] = {1, 1}; 2100 ADD_OR_SIZE(ANDROID_LENS_INFO_SHADING_MAP_SIZE, lensShadingMapSize, 2101 sizeof(lensShadingMapSize)/sizeof(int32_t)); 2102 2103 int32_t lensFacing = mFacingBack ? 2104 ANDROID_LENS_FACING_BACK : ANDROID_LENS_FACING_FRONT; 2105 ADD_OR_SIZE(ANDROID_LENS_FACING, &lensFacing, 1); 2106 2107 float lensPosition[3]; 2108 if (mFacingBack) { 2109 // Back-facing camera is center-top on device 2110 lensPosition[0] = 0; 2111 lensPosition[1] = 20; 2112 lensPosition[2] = -5; 2113 } else { 2114 // Front-facing camera is center-right on device 2115 lensPosition[0] = 20; 2116 lensPosition[1] = 20; 2117 lensPosition[2] = 0; 2118 } 2119 ADD_OR_SIZE(ANDROID_LENS_POSITION, lensPosition, sizeof(lensPosition)/ 2120 sizeof(float)); 2121 2122 // android.sensor 2123 2124 ADD_OR_SIZE(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE, 2125 Sensor::kExposureTimeRange, 2); 2126 2127 ADD_OR_SIZE(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, 2128 &Sensor::kFrameDurationRange[1], 1); 2129 2130 ADD_OR_SIZE(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE, 2131 Sensor::kSensitivityRange, 2132 sizeof(Sensor::kSensitivityRange) 2133 /sizeof(int32_t)); 2134 2135 ADD_OR_SIZE(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT, 2136 &Sensor::kColorFilterArrangement, 1); 2137 2138 static const float sensorPhysicalSize[2] = {3.20f, 2.40f}; // mm 2139 ADD_OR_SIZE(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2140 sensorPhysicalSize, 2); 2141 2142 ADD_OR_SIZE(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, 2143 Sensor::kResolution, 2); 2144 2145 ADD_OR_SIZE(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2146 Sensor::kResolution, 2); 2147 2148 ADD_OR_SIZE(ANDROID_SENSOR_INFO_WHITE_LEVEL, 2149 &Sensor::kMaxRawValue, 1); 2150 2151 static const int32_t blackLevelPattern[4] = { 2152 Sensor::kBlackLevel, Sensor::kBlackLevel, 2153 Sensor::kBlackLevel, Sensor::kBlackLevel 2154 }; 2155 ADD_OR_SIZE(ANDROID_SENSOR_BLACK_LEVEL_PATTERN, 2156 blackLevelPattern, sizeof(blackLevelPattern)/sizeof(int32_t)); 2157 2158 //TODO: sensor color calibration fields 2159 2160 // android.flash 2161 static const uint8_t flashAvailable = 0; 2162 ADD_OR_SIZE(ANDROID_FLASH_INFO_AVAILABLE, &flashAvailable, 1); 2163 2164 static const int64_t flashChargeDuration = 0; 2165 ADD_OR_SIZE(ANDROID_FLASH_INFO_CHARGE_DURATION, &flashChargeDuration, 1); 2166 2167 // android.tonemap 2168 2169 static const int32_t tonemapCurvePoints = 128; 2170 ADD_OR_SIZE(ANDROID_TONEMAP_MAX_CURVE_POINTS, &tonemapCurvePoints, 1); 2171 2172 // android.scaler 2173 2174 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_FORMATS, 2175 kAvailableFormats, 2176 sizeof(kAvailableFormats)/sizeof(uint32_t)); 2177 2178 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_SIZES, 2179 kAvailableRawSizes, 2180 sizeof(kAvailableRawSizes)/sizeof(uint32_t)); 2181 2182 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS, 2183 kAvailableRawMinDurations, 2184 sizeof(kAvailableRawMinDurations)/sizeof(uint64_t)); 2185 2186 if (mFacingBack) { 2187 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, 2188 kAvailableProcessedSizesBack, 2189 sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t)); 2190 } else { 2191 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, 2192 kAvailableProcessedSizesFront, 2193 sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t)); 2194 } 2195 2196 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS, 2197 kAvailableProcessedMinDurations, 2198 sizeof(kAvailableProcessedMinDurations)/sizeof(uint64_t)); 2199 2200 if (mFacingBack) { 2201 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2202 kAvailableJpegSizesBack, 2203 sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t)); 2204 } else { 2205 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2206 kAvailableJpegSizesFront, 2207 sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t)); 2208 } 2209 2210 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS, 2211 kAvailableJpegMinDurations, 2212 sizeof(kAvailableJpegMinDurations)/sizeof(uint64_t)); 2213 2214 static const float maxZoom = 10; 2215 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, 2216 &maxZoom, 1); 2217 2218 // android.jpeg 2219 2220 static const int32_t jpegThumbnailSizes[] = { 2221 0, 0, 2222 160, 120, 2223 320, 240 2224 }; 2225 ADD_OR_SIZE(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 2226 jpegThumbnailSizes, sizeof(jpegThumbnailSizes)/sizeof(int32_t)); 2227 2228 static const int32_t jpegMaxSize = JpegCompressor::kMaxJpegSize; 2229 ADD_OR_SIZE(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1); 2230 2231 // android.stats 2232 2233 static const uint8_t availableFaceDetectModes[] = { 2234 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF, 2235 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE, 2236 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL 2237 }; 2238 2239 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 2240 availableFaceDetectModes, 2241 sizeof(availableFaceDetectModes)); 2242 2243 static const int32_t maxFaceCount = 8; 2244 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 2245 &maxFaceCount, 1); 2246 2247 static const int32_t histogramSize = 64; 2248 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_HISTOGRAM_BUCKET_COUNT, 2249 &histogramSize, 1); 2250 2251 static const int32_t maxHistogramCount = 1000; 2252 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_HISTOGRAM_COUNT, 2253 &maxHistogramCount, 1); 2254 2255 static const int32_t sharpnessMapSize[2] = {64, 64}; 2256 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_SHARPNESS_MAP_SIZE, 2257 sharpnessMapSize, sizeof(sharpnessMapSize)/sizeof(int32_t)); 2258 2259 static const int32_t maxSharpnessMapValue = 1000; 2260 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_SHARPNESS_MAP_VALUE, 2261 &maxSharpnessMapValue, 1); 2262 2263 // android.control 2264 2265 static const uint8_t availableSceneModes[] = { 2266 ANDROID_CONTROL_SCENE_MODE_DISABLED 2267 }; 2268 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 2269 availableSceneModes, sizeof(availableSceneModes)); 2270 2271 static const uint8_t availableEffects[] = { 2272 ANDROID_CONTROL_EFFECT_MODE_OFF 2273 }; 2274 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_EFFECTS, 2275 availableEffects, sizeof(availableEffects)); 2276 2277 static const int32_t max3aRegions[] = {/*AE*/ 0,/*AWB*/ 0,/*AF*/ 0}; 2278 ADD_OR_SIZE(ANDROID_CONTROL_MAX_REGIONS, 2279 max3aRegions, sizeof(max3aRegions)/sizeof(max3aRegions[0])); 2280 2281 static const uint8_t availableAeModes[] = { 2282 ANDROID_CONTROL_AE_MODE_OFF, 2283 ANDROID_CONTROL_AE_MODE_ON 2284 }; 2285 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_MODES, 2286 availableAeModes, sizeof(availableAeModes)); 2287 2288 static const camera_metadata_rational exposureCompensationStep = { 2289 1, 3 2290 }; 2291 ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_STEP, 2292 &exposureCompensationStep, 1); 2293 2294 int32_t exposureCompensationRange[] = {-9, 9}; 2295 ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2296 exposureCompensationRange, 2297 sizeof(exposureCompensationRange)/sizeof(int32_t)); 2298 2299 static const int32_t availableTargetFpsRanges[] = { 2300 5, 30, 15, 30 2301 }; 2302 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2303 availableTargetFpsRanges, 2304 sizeof(availableTargetFpsRanges)/sizeof(int32_t)); 2305 2306 static const uint8_t availableAntibandingModes[] = { 2307 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF, 2308 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO 2309 }; 2310 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 2311 availableAntibandingModes, sizeof(availableAntibandingModes)); 2312 2313 static const uint8_t availableAwbModes[] = { 2314 ANDROID_CONTROL_AWB_MODE_OFF, 2315 ANDROID_CONTROL_AWB_MODE_AUTO, 2316 ANDROID_CONTROL_AWB_MODE_INCANDESCENT, 2317 ANDROID_CONTROL_AWB_MODE_FLUORESCENT, 2318 ANDROID_CONTROL_AWB_MODE_DAYLIGHT, 2319 ANDROID_CONTROL_AWB_MODE_SHADE 2320 }; 2321 ADD_OR_SIZE(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 2322 availableAwbModes, sizeof(availableAwbModes)); 2323 2324 static const uint8_t availableAfModesBack[] = { 2325 ANDROID_CONTROL_AF_MODE_OFF, 2326 ANDROID_CONTROL_AF_MODE_AUTO, 2327 ANDROID_CONTROL_AF_MODE_MACRO, 2328 ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO, 2329 ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE 2330 }; 2331 2332 static const uint8_t availableAfModesFront[] = { 2333 ANDROID_CONTROL_AF_MODE_OFF 2334 }; 2335 2336 if (mFacingBack) { 2337 ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES, 2338 availableAfModesBack, sizeof(availableAfModesBack)); 2339 } else { 2340 ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES, 2341 availableAfModesFront, sizeof(availableAfModesFront)); 2342 } 2343 2344 static const uint8_t availableVstabModes[] = { 2345 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF 2346 }; 2347 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 2348 availableVstabModes, sizeof(availableVstabModes)); 2349 2350 #undef ADD_OR_SIZE 2351 /** Allocate metadata if sizing */ 2352 if (sizeRequest) { 2353 ALOGV("Allocating %zu entries, %zu extra bytes for " 2354 "static camera info", 2355 entryCount, dataCount); 2356 *info = allocate_camera_metadata(entryCount, dataCount); 2357 if (*info == NULL) { 2358 ALOGE("Unable to allocate camera static info" 2359 "(%zu entries, %zu bytes extra data)", 2360 entryCount, dataCount); 2361 return NO_MEMORY; 2362 } 2363 } 2364 return OK; 2365 } 2366 2367 status_t EmulatedFakeCamera2::constructDefaultRequest( 2368 int request_template, 2369 camera_metadata_t **request, 2370 bool sizeRequest) const { 2371 2372 size_t entryCount = 0; 2373 size_t dataCount = 0; 2374 status_t ret; 2375 2376 #define ADD_OR_SIZE( tag, data, count ) \ 2377 if ( ( ret = addOrSize(*request, sizeRequest, &entryCount, &dataCount, \ 2378 tag, data, count) ) != OK ) return ret 2379 2380 /** android.request */ 2381 2382 static const uint8_t requestType = ANDROID_REQUEST_TYPE_CAPTURE; 2383 ADD_OR_SIZE(ANDROID_REQUEST_TYPE, &requestType, 1); 2384 2385 static const uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 2386 ADD_OR_SIZE(ANDROID_REQUEST_METADATA_MODE, &metadataMode, 1); 2387 2388 static const int32_t id = 0; 2389 ADD_OR_SIZE(ANDROID_REQUEST_ID, &id, 1); 2390 2391 static const int32_t frameCount = 0; 2392 ADD_OR_SIZE(ANDROID_REQUEST_FRAME_COUNT, &frameCount, 1); 2393 2394 // OUTPUT_STREAMS set by user 2395 entryCount += 1; 2396 dataCount += 5; // TODO: Should be maximum stream number 2397 2398 /** android.lens */ 2399 2400 static const float focusDistance = 0; 2401 ADD_OR_SIZE(ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1); 2402 2403 static const float aperture = 2.8f; 2404 ADD_OR_SIZE(ANDROID_LENS_APERTURE, &aperture, 1); 2405 2406 static const float focalLength = 5.0f; 2407 ADD_OR_SIZE(ANDROID_LENS_FOCAL_LENGTH, &focalLength, 1); 2408 2409 static const float filterDensity = 0; 2410 ADD_OR_SIZE(ANDROID_LENS_FILTER_DENSITY, &filterDensity, 1); 2411 2412 static const uint8_t opticalStabilizationMode = 2413 ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; 2414 ADD_OR_SIZE(ANDROID_LENS_OPTICAL_STABILIZATION_MODE, 2415 &opticalStabilizationMode, 1); 2416 2417 // FOCUS_RANGE set only in frame 2418 2419 /** android.sensor */ 2420 2421 static const int64_t exposureTime = 10 * MSEC; 2422 ADD_OR_SIZE(ANDROID_SENSOR_EXPOSURE_TIME, &exposureTime, 1); 2423 2424 static const int64_t frameDuration = 33333333L; // 1/30 s 2425 ADD_OR_SIZE(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1); 2426 2427 static const int32_t sensitivity = 100; 2428 ADD_OR_SIZE(ANDROID_SENSOR_SENSITIVITY, &sensitivity, 1); 2429 2430 // TIMESTAMP set only in frame 2431 2432 /** android.flash */ 2433 2434 static const uint8_t flashMode = ANDROID_FLASH_MODE_OFF; 2435 ADD_OR_SIZE(ANDROID_FLASH_MODE, &flashMode, 1); 2436 2437 static const uint8_t flashPower = 10; 2438 ADD_OR_SIZE(ANDROID_FLASH_FIRING_POWER, &flashPower, 1); 2439 2440 static const int64_t firingTime = 0; 2441 ADD_OR_SIZE(ANDROID_FLASH_FIRING_TIME, &firingTime, 1); 2442 2443 /** Processing block modes */ 2444 uint8_t hotPixelMode = 0; 2445 uint8_t demosaicMode = 0; 2446 uint8_t noiseMode = 0; 2447 uint8_t shadingMode = 0; 2448 uint8_t colorMode = 0; 2449 uint8_t tonemapMode = 0; 2450 uint8_t edgeMode = 0; 2451 switch (request_template) { 2452 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2453 // fall-through 2454 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2455 // fall-through 2456 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2457 hotPixelMode = ANDROID_HOT_PIXEL_MODE_HIGH_QUALITY; 2458 demosaicMode = ANDROID_DEMOSAIC_MODE_HIGH_QUALITY; 2459 noiseMode = ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY; 2460 shadingMode = ANDROID_SHADING_MODE_HIGH_QUALITY; 2461 colorMode = ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY; 2462 tonemapMode = ANDROID_TONEMAP_MODE_HIGH_QUALITY; 2463 edgeMode = ANDROID_EDGE_MODE_HIGH_QUALITY; 2464 break; 2465 case CAMERA2_TEMPLATE_PREVIEW: 2466 // fall-through 2467 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2468 // fall-through 2469 default: 2470 hotPixelMode = ANDROID_HOT_PIXEL_MODE_FAST; 2471 demosaicMode = ANDROID_DEMOSAIC_MODE_FAST; 2472 noiseMode = ANDROID_NOISE_REDUCTION_MODE_FAST; 2473 shadingMode = ANDROID_SHADING_MODE_FAST; 2474 colorMode = ANDROID_COLOR_CORRECTION_MODE_FAST; 2475 tonemapMode = ANDROID_TONEMAP_MODE_FAST; 2476 edgeMode = ANDROID_EDGE_MODE_FAST; 2477 break; 2478 } 2479 ADD_OR_SIZE(ANDROID_HOT_PIXEL_MODE, &hotPixelMode, 1); 2480 ADD_OR_SIZE(ANDROID_DEMOSAIC_MODE, &demosaicMode, 1); 2481 ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_MODE, &noiseMode, 1); 2482 ADD_OR_SIZE(ANDROID_SHADING_MODE, &shadingMode, 1); 2483 ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_MODE, &colorMode, 1); 2484 ADD_OR_SIZE(ANDROID_TONEMAP_MODE, &tonemapMode, 1); 2485 ADD_OR_SIZE(ANDROID_EDGE_MODE, &edgeMode, 1); 2486 2487 /** android.noise */ 2488 static const uint8_t noiseStrength = 5; 2489 ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_STRENGTH, &noiseStrength, 1); 2490 2491 /** android.color */ 2492 static const float colorTransform[9] = { 2493 1.0f, 0.f, 0.f, 2494 0.f, 1.f, 0.f, 2495 0.f, 0.f, 1.f 2496 }; 2497 ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_TRANSFORM, colorTransform, 9); 2498 2499 /** android.tonemap */ 2500 static const float tonemapCurve[4] = { 2501 0.f, 0.f, 2502 1.f, 1.f 2503 }; 2504 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_RED, tonemapCurve, 4); 2505 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_GREEN, tonemapCurve, 4); 2506 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_BLUE, tonemapCurve, 4); 2507 2508 /** android.edge */ 2509 static const uint8_t edgeStrength = 5; 2510 ADD_OR_SIZE(ANDROID_EDGE_STRENGTH, &edgeStrength, 1); 2511 2512 /** android.scaler */ 2513 static const int32_t cropRegion[3] = { 2514 0, 0, Sensor::kResolution[0] 2515 }; 2516 ADD_OR_SIZE(ANDROID_SCALER_CROP_REGION, cropRegion, 3); 2517 2518 /** android.jpeg */ 2519 static const int32_t jpegQuality = 80; 2520 ADD_OR_SIZE(ANDROID_JPEG_QUALITY, &jpegQuality, 1); 2521 2522 static const int32_t thumbnailSize[2] = { 2523 640, 480 2524 }; 2525 ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_SIZE, thumbnailSize, 2); 2526 2527 static const int32_t thumbnailQuality = 80; 2528 ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_QUALITY, &thumbnailQuality, 1); 2529 2530 static const double gpsCoordinates[2] = { 2531 0, 0 2532 }; 2533 ADD_OR_SIZE(ANDROID_JPEG_GPS_COORDINATES, gpsCoordinates, 2); 2534 2535 static const uint8_t gpsProcessingMethod[32] = "None"; 2536 ADD_OR_SIZE(ANDROID_JPEG_GPS_PROCESSING_METHOD, gpsProcessingMethod, 32); 2537 2538 static const int64_t gpsTimestamp = 0; 2539 ADD_OR_SIZE(ANDROID_JPEG_GPS_TIMESTAMP, &gpsTimestamp, 1); 2540 2541 static const int32_t jpegOrientation = 0; 2542 ADD_OR_SIZE(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1); 2543 2544 /** android.stats */ 2545 2546 static const uint8_t faceDetectMode = 2547 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 2548 ADD_OR_SIZE(ANDROID_STATISTICS_FACE_DETECT_MODE, &faceDetectMode, 1); 2549 2550 static const uint8_t histogramMode = ANDROID_STATISTICS_HISTOGRAM_MODE_OFF; 2551 ADD_OR_SIZE(ANDROID_STATISTICS_HISTOGRAM_MODE, &histogramMode, 1); 2552 2553 static const uint8_t sharpnessMapMode = 2554 ANDROID_STATISTICS_SHARPNESS_MAP_MODE_OFF; 2555 ADD_OR_SIZE(ANDROID_STATISTICS_SHARPNESS_MAP_MODE, &sharpnessMapMode, 1); 2556 2557 // faceRectangles, faceScores, faceLandmarks, faceIds, histogram, 2558 // sharpnessMap only in frames 2559 2560 /** android.control */ 2561 2562 uint8_t controlIntent = 0; 2563 switch (request_template) { 2564 case CAMERA2_TEMPLATE_PREVIEW: 2565 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW; 2566 break; 2567 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2568 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE; 2569 break; 2570 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2571 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD; 2572 break; 2573 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2574 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT; 2575 break; 2576 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2577 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG; 2578 break; 2579 default: 2580 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_CUSTOM; 2581 break; 2582 } 2583 ADD_OR_SIZE(ANDROID_CONTROL_CAPTURE_INTENT, &controlIntent, 1); 2584 2585 static const uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO; 2586 ADD_OR_SIZE(ANDROID_CONTROL_MODE, &controlMode, 1); 2587 2588 static const uint8_t effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 2589 ADD_OR_SIZE(ANDROID_CONTROL_EFFECT_MODE, &effectMode, 1); 2590 2591 static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY; 2592 ADD_OR_SIZE(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1); 2593 2594 static const uint8_t aeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; 2595 ADD_OR_SIZE(ANDROID_CONTROL_AE_MODE, &aeMode, 1); 2596 2597 static const uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF; 2598 ADD_OR_SIZE(ANDROID_CONTROL_AE_LOCK, &aeLock, 1); 2599 2600 static const int32_t controlRegions[5] = { 2601 0, 0, Sensor::kResolution[0], Sensor::kResolution[1], 1000 2602 }; 2603 ADD_OR_SIZE(ANDROID_CONTROL_AE_REGIONS, controlRegions, 5); 2604 2605 static const int32_t aeExpCompensation = 0; 2606 ADD_OR_SIZE(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1); 2607 2608 static const int32_t aeTargetFpsRange[2] = { 2609 10, 30 2610 }; 2611 ADD_OR_SIZE(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, aeTargetFpsRange, 2); 2612 2613 static const uint8_t aeAntibandingMode = 2614 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 2615 ADD_OR_SIZE(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &aeAntibandingMode, 1); 2616 2617 static const uint8_t awbMode = 2618 ANDROID_CONTROL_AWB_MODE_AUTO; 2619 ADD_OR_SIZE(ANDROID_CONTROL_AWB_MODE, &awbMode, 1); 2620 2621 static const uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF; 2622 ADD_OR_SIZE(ANDROID_CONTROL_AWB_LOCK, &awbLock, 1); 2623 2624 ADD_OR_SIZE(ANDROID_CONTROL_AWB_REGIONS, controlRegions, 5); 2625 2626 uint8_t afMode = 0; 2627 switch (request_template) { 2628 case CAMERA2_TEMPLATE_PREVIEW: 2629 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2630 break; 2631 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2632 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2633 break; 2634 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2635 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO; 2636 break; 2637 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2638 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO; 2639 break; 2640 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2641 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE; 2642 break; 2643 default: 2644 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2645 break; 2646 } 2647 ADD_OR_SIZE(ANDROID_CONTROL_AF_MODE, &afMode, 1); 2648 2649 ADD_OR_SIZE(ANDROID_CONTROL_AF_REGIONS, controlRegions, 5); 2650 2651 static const uint8_t vstabMode = 2652 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 2653 ADD_OR_SIZE(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &vstabMode, 1); 2654 2655 // aeState, awbState, afState only in frame 2656 2657 /** Allocate metadata if sizing */ 2658 if (sizeRequest) { 2659 ALOGV("Allocating %zu entries, %zu extra bytes for " 2660 "request template type %d", 2661 entryCount, dataCount, request_template); 2662 *request = allocate_camera_metadata(entryCount, dataCount); 2663 if (*request == NULL) { 2664 ALOGE("Unable to allocate new request template type %d " 2665 "(%zu entries, %zu bytes extra data)", request_template, 2666 entryCount, dataCount); 2667 return NO_MEMORY; 2668 } 2669 } 2670 return OK; 2671 #undef ADD_OR_SIZE 2672 } 2673 2674 status_t EmulatedFakeCamera2::addOrSize(camera_metadata_t *request, 2675 bool sizeRequest, 2676 size_t *entryCount, 2677 size_t *dataCount, 2678 uint32_t tag, 2679 const void *entryData, 2680 size_t entryDataCount) { 2681 status_t res; 2682 if (!sizeRequest) { 2683 return add_camera_metadata_entry(request, tag, entryData, 2684 entryDataCount); 2685 } else { 2686 int type = get_camera_metadata_tag_type(tag); 2687 if (type < 0 ) return BAD_VALUE; 2688 (*entryCount)++; 2689 (*dataCount) += calculate_camera_metadata_entry_data_size(type, 2690 entryDataCount); 2691 return OK; 2692 } 2693 } 2694 2695 bool EmulatedFakeCamera2::isStreamInUse(uint32_t id) { 2696 // Assumes mMutex is locked; otherwise new requests could enter 2697 // configureThread while readoutThread is being checked 2698 2699 // Order of isStreamInUse calls matters 2700 if (mConfigureThread->isStreamInUse(id) || 2701 mReadoutThread->isStreamInUse(id) || 2702 mJpegCompressor->isStreamInUse(id) ) { 2703 ALOGE("%s: Stream %d is in use in active requests!", 2704 __FUNCTION__, id); 2705 return true; 2706 } 2707 return false; 2708 } 2709 2710 bool EmulatedFakeCamera2::isReprocessStreamInUse(uint32_t id) { 2711 // TODO: implement 2712 return false; 2713 } 2714 2715 const Stream& EmulatedFakeCamera2::getStreamInfo(uint32_t streamId) { 2716 Mutex::Autolock lock(mMutex); 2717 2718 return mStreams.valueFor(streamId); 2719 } 2720 2721 const ReprocessStream& EmulatedFakeCamera2::getReprocessStreamInfo(uint32_t streamId) { 2722 Mutex::Autolock lock(mMutex); 2723 2724 return mReprocessStreams.valueFor(streamId); 2725 } 2726 2727 }; /* namespace android */ 2728
