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 "GrallocModule.h" 31 32 #define ERROR_CAMERA_NOT_PRESENT (-EPIPE) 33 34 #define CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT 0xFFFFFFFF 35 36 namespace android { 37 38 const int64_t USEC = 1000LL; 39 const int64_t MSEC = USEC * 1000LL; 40 const int64_t SEC = MSEC * 1000LL; 41 42 const uint32_t EmulatedFakeCamera2::kAvailableFormats[4] = { 43 HAL_PIXEL_FORMAT_RAW16, 44 HAL_PIXEL_FORMAT_BLOB, 45 HAL_PIXEL_FORMAT_RGBA_8888, 46 // HAL_PIXEL_FORMAT_YV12, 47 HAL_PIXEL_FORMAT_YCrCb_420_SP 48 }; 49 50 const uint32_t EmulatedFakeCamera2::kAvailableRawSizes[2] = { 51 640, 480 52 // mSensorWidth, mSensorHeight 53 }; 54 55 const uint64_t EmulatedFakeCamera2::kAvailableRawMinDurations[1] = { 56 static_cast<uint64_t>(Sensor::kFrameDurationRange[0]) 57 }; 58 59 const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesBack[4] = { 60 640, 480, 320, 240 61 // mSensorWidth, mSensorHeight 62 }; 63 64 const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesFront[4] = { 65 320, 240, 160, 120 66 // mSensorWidth, mSensorHeight 67 }; 68 69 const uint64_t EmulatedFakeCamera2::kAvailableProcessedMinDurations[1] = { 70 static_cast<uint64_t>(Sensor::kFrameDurationRange[0]) 71 }; 72 73 const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesBack[2] = { 74 640, 480 75 // mSensorWidth, mSensorHeight 76 }; 77 78 const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesFront[2] = { 79 320, 240 80 // mSensorWidth, mSensorHeight 81 }; 82 83 84 const uint64_t EmulatedFakeCamera2::kAvailableJpegMinDurations[1] = { 85 static_cast<uint64_t>(Sensor::kFrameDurationRange[0]) 86 }; 87 88 89 EmulatedFakeCamera2::EmulatedFakeCamera2(int cameraId, 90 bool facingBack, 91 struct hw_module_t* module) 92 : EmulatedCamera2(cameraId,module), 93 mFacingBack(facingBack), 94 mIsConnected(false) 95 { 96 ALOGD("Constructing emulated fake camera 2 facing %s", 97 facingBack ? "back" : "front"); 98 } 99 100 EmulatedFakeCamera2::~EmulatedFakeCamera2() { 101 if (mCameraInfo != NULL) { 102 free_camera_metadata(mCameraInfo); 103 } 104 } 105 106 /**************************************************************************** 107 * Public API overrides 108 ***************************************************************************/ 109 110 status_t EmulatedFakeCamera2::Initialize() { 111 status_t res; 112 113 // Find max width/height 114 int32_t width = 0, height = 0; 115 size_t rawSizeCount = sizeof(kAvailableRawSizes)/sizeof(kAvailableRawSizes[0]); 116 for (size_t index = 0; index + 1 < rawSizeCount; index += 2) { 117 if (width <= kAvailableRawSizes[index] && 118 height <= kAvailableRawSizes[index+1]) { 119 width = kAvailableRawSizes[index]; 120 height = kAvailableRawSizes[index+1]; 121 } 122 } 123 124 if (width < 640 || height < 480) { 125 width = 640; 126 height = 480; 127 } 128 mSensorWidth = width; 129 mSensorHeight = height; 130 131 res = constructStaticInfo(&mCameraInfo, true); 132 if (res != OK) { 133 ALOGE("%s: Unable to allocate static info: %s (%d)", 134 __FUNCTION__, strerror(-res), res); 135 return res; 136 } 137 res = constructStaticInfo(&mCameraInfo, false); 138 if (res != OK) { 139 ALOGE("%s: Unable to fill in static info: %s (%d)", 140 __FUNCTION__, strerror(-res), res); 141 return res; 142 } 143 if (res != OK) return res; 144 145 mNextStreamId = 1; 146 mNextReprocessStreamId = 1; 147 mRawStreamCount = 0; 148 mProcessedStreamCount = 0; 149 mJpegStreamCount = 0; 150 mReprocessStreamCount = 0; 151 152 return NO_ERROR; 153 } 154 155 /**************************************************************************** 156 * Camera module API overrides 157 ***************************************************************************/ 158 159 status_t EmulatedFakeCamera2::connectCamera(hw_device_t** device) { 160 status_t res; 161 ALOGV("%s", __FUNCTION__); 162 163 { 164 Mutex::Autolock l(mMutex); 165 if (!mStatusPresent) { 166 ALOGE("%s: Camera ID %d is unplugged", __FUNCTION__, 167 mCameraID); 168 return -ENODEV; 169 } 170 } 171 172 mConfigureThread = new ConfigureThread(this); 173 mReadoutThread = new ReadoutThread(this); 174 mControlThread = new ControlThread(this); 175 mSensor = new Sensor(mSensorWidth, mSensorHeight); 176 mJpegCompressor = new JpegCompressor(); 177 178 mNextStreamId = 1; 179 mNextReprocessStreamId = 1; 180 181 res = mSensor->startUp(); 182 if (res != NO_ERROR) return res; 183 184 res = mConfigureThread->run("EmulatedFakeCamera2::configureThread"); 185 if (res != NO_ERROR) return res; 186 187 res = mReadoutThread->run("EmulatedFakeCamera2::readoutThread"); 188 if (res != NO_ERROR) return res; 189 190 res = mControlThread->run("EmulatedFakeCamera2::controlThread"); 191 if (res != NO_ERROR) return res; 192 193 status_t ret = EmulatedCamera2::connectCamera(device); 194 195 if (ret >= 0) { 196 mIsConnected = true; 197 } 198 199 return ret; 200 } 201 202 status_t EmulatedFakeCamera2::plugCamera() { 203 { 204 Mutex::Autolock l(mMutex); 205 206 if (!mStatusPresent) { 207 ALOGI("%s: Plugged back in", __FUNCTION__); 208 mStatusPresent = true; 209 } 210 } 211 212 return NO_ERROR; 213 } 214 215 status_t EmulatedFakeCamera2::unplugCamera() { 216 { 217 Mutex::Autolock l(mMutex); 218 219 if (mStatusPresent) { 220 ALOGI("%s: Unplugged camera", __FUNCTION__); 221 mStatusPresent = false; 222 } 223 } 224 225 return closeCamera(); 226 } 227 228 camera_device_status_t EmulatedFakeCamera2::getHotplugStatus() { 229 Mutex::Autolock l(mMutex); 230 return mStatusPresent ? 231 CAMERA_DEVICE_STATUS_PRESENT : 232 CAMERA_DEVICE_STATUS_NOT_PRESENT; 233 } 234 235 236 237 status_t EmulatedFakeCamera2::closeCamera() { 238 { 239 Mutex::Autolock l(mMutex); 240 241 status_t res; 242 ALOGV("%s", __FUNCTION__); 243 244 if (!mIsConnected) { 245 return NO_ERROR; 246 } 247 248 res = mSensor->shutDown(); 249 if (res != NO_ERROR) { 250 ALOGE("%s: Unable to shut down sensor: %d", __FUNCTION__, res); 251 return res; 252 } 253 254 mConfigureThread->requestExit(); 255 mReadoutThread->requestExit(); 256 mControlThread->requestExit(); 257 mJpegCompressor->cancel(); 258 } 259 260 // give up the lock since we will now block and the threads 261 // can call back into this object 262 mConfigureThread->join(); 263 mReadoutThread->join(); 264 mControlThread->join(); 265 266 ALOGV("%s exit", __FUNCTION__); 267 268 { 269 Mutex::Autolock l(mMutex); 270 mIsConnected = false; 271 } 272 273 return NO_ERROR; 274 } 275 276 status_t EmulatedFakeCamera2::getCameraInfo(struct camera_info *info) { 277 info->facing = mFacingBack ? CAMERA_FACING_BACK : CAMERA_FACING_FRONT; 278 info->orientation = gEmulatedCameraFactory.getFakeCameraOrientation(); 279 return EmulatedCamera2::getCameraInfo(info); 280 } 281 282 /**************************************************************************** 283 * Camera device API overrides 284 ***************************************************************************/ 285 286 /** Request input queue */ 287 288 int EmulatedFakeCamera2::requestQueueNotify() { 289 ALOGV("Request queue notification received"); 290 291 ALOG_ASSERT(mRequestQueueSrc != NULL, 292 "%s: Request queue src not set, but received queue notification!", 293 __FUNCTION__); 294 ALOG_ASSERT(mFrameQueueDst != NULL, 295 "%s: Request queue src not set, but received queue notification!", 296 __FUNCTION__); 297 ALOG_ASSERT(mStreams.size() != 0, 298 "%s: No streams allocated, but received queue notification!", 299 __FUNCTION__); 300 return mConfigureThread->newRequestAvailable(); 301 } 302 303 int EmulatedFakeCamera2::getInProgressCount() { 304 Mutex::Autolock l(mMutex); 305 306 if (!mStatusPresent) { 307 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 308 return ERROR_CAMERA_NOT_PRESENT; 309 } 310 311 int requestCount = 0; 312 requestCount += mConfigureThread->getInProgressCount(); 313 requestCount += mReadoutThread->getInProgressCount(); 314 requestCount += mJpegCompressor->isBusy() ? 1 : 0; 315 316 return requestCount; 317 } 318 319 int EmulatedFakeCamera2::constructDefaultRequest( 320 int request_template, 321 camera_metadata_t **request) { 322 323 if (request == NULL) return BAD_VALUE; 324 if (request_template < 0 || request_template >= CAMERA2_TEMPLATE_COUNT) { 325 return BAD_VALUE; 326 } 327 328 { 329 Mutex::Autolock l(mMutex); 330 if (!mStatusPresent) { 331 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 332 return ERROR_CAMERA_NOT_PRESENT; 333 } 334 } 335 336 status_t res; 337 // Pass 1, calculate size and allocate 338 res = constructDefaultRequest(request_template, 339 request, 340 true); 341 if (res != OK) { 342 return res; 343 } 344 // Pass 2, build request 345 res = constructDefaultRequest(request_template, 346 request, 347 false); 348 if (res != OK) { 349 ALOGE("Unable to populate new request for template %d", 350 request_template); 351 } 352 353 return res; 354 } 355 356 int EmulatedFakeCamera2::allocateStream( 357 uint32_t width, 358 uint32_t height, 359 int format, 360 const camera2_stream_ops_t *stream_ops, 361 uint32_t *stream_id, 362 uint32_t *format_actual, 363 uint32_t *usage, 364 uint32_t *max_buffers) { 365 Mutex::Autolock l(mMutex); 366 367 if (!mStatusPresent) { 368 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 369 return ERROR_CAMERA_NOT_PRESENT; 370 } 371 372 // Temporary shim until FORMAT_ZSL is removed 373 if (format == CAMERA2_HAL_PIXEL_FORMAT_ZSL) { 374 format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 375 } 376 377 if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 378 unsigned int numFormats = sizeof(kAvailableFormats) / sizeof(uint32_t); 379 unsigned int formatIdx = 0; 380 unsigned int sizeOffsetIdx = 0; 381 for (; formatIdx < numFormats; formatIdx++) { 382 if (format == (int)kAvailableFormats[formatIdx]) break; 383 } 384 if (formatIdx == numFormats) { 385 ALOGE("%s: Format 0x%x is not supported", __FUNCTION__, format); 386 return BAD_VALUE; 387 } 388 } 389 390 const uint32_t *availableSizes; 391 size_t availableSizeCount; 392 switch (format) { 393 case HAL_PIXEL_FORMAT_RAW16: 394 availableSizes = kAvailableRawSizes; 395 availableSizeCount = sizeof(kAvailableRawSizes)/sizeof(uint32_t); 396 break; 397 case HAL_PIXEL_FORMAT_BLOB: 398 availableSizes = mFacingBack ? 399 kAvailableJpegSizesBack : kAvailableJpegSizesFront; 400 availableSizeCount = mFacingBack ? 401 sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t) : 402 sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t); 403 break; 404 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 405 case HAL_PIXEL_FORMAT_RGBA_8888: 406 case HAL_PIXEL_FORMAT_YV12: 407 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 408 availableSizes = mFacingBack ? 409 kAvailableProcessedSizesBack : kAvailableProcessedSizesFront; 410 availableSizeCount = mFacingBack ? 411 sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t) : 412 sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t); 413 break; 414 default: 415 ALOGE("%s: Unknown format 0x%x", __FUNCTION__, format); 416 return BAD_VALUE; 417 } 418 419 unsigned int resIdx = 0; 420 for (; resIdx < availableSizeCount; resIdx++) { 421 if (availableSizes[resIdx * 2] == width && 422 availableSizes[resIdx * 2 + 1] == height) break; 423 } 424 if (resIdx == availableSizeCount) { 425 ALOGE("%s: Format 0x%x does not support resolution %d, %d", __FUNCTION__, 426 format, width, height); 427 return BAD_VALUE; 428 } 429 430 switch (format) { 431 case HAL_PIXEL_FORMAT_RAW16: 432 if (mRawStreamCount >= kMaxRawStreamCount) { 433 ALOGE("%s: Cannot allocate another raw stream (%d already allocated)", 434 __FUNCTION__, mRawStreamCount); 435 return INVALID_OPERATION; 436 } 437 mRawStreamCount++; 438 break; 439 case HAL_PIXEL_FORMAT_BLOB: 440 if (mJpegStreamCount >= kMaxJpegStreamCount) { 441 ALOGE("%s: Cannot allocate another JPEG stream (%d already allocated)", 442 __FUNCTION__, mJpegStreamCount); 443 return INVALID_OPERATION; 444 } 445 mJpegStreamCount++; 446 break; 447 default: 448 if (mProcessedStreamCount >= kMaxProcessedStreamCount) { 449 ALOGE("%s: Cannot allocate another processed stream (%d already allocated)", 450 __FUNCTION__, mProcessedStreamCount); 451 return INVALID_OPERATION; 452 } 453 mProcessedStreamCount++; 454 } 455 456 Stream newStream; 457 newStream.ops = stream_ops; 458 newStream.width = width; 459 newStream.height = height; 460 newStream.format = format; 461 // TODO: Query stride from gralloc 462 newStream.stride = width; 463 464 mStreams.add(mNextStreamId, newStream); 465 466 *stream_id = mNextStreamId; 467 if (format_actual) *format_actual = format; 468 *usage = GRALLOC_USAGE_HW_CAMERA_WRITE; 469 *max_buffers = kMaxBufferCount; 470 471 ALOGV("Stream allocated: %d, %d x %d, 0x%x. U: %x, B: %d", 472 *stream_id, width, height, format, *usage, *max_buffers); 473 474 mNextStreamId++; 475 return NO_ERROR; 476 } 477 478 int EmulatedFakeCamera2::registerStreamBuffers( 479 uint32_t stream_id, 480 int num_buffers, 481 buffer_handle_t *buffers) { 482 Mutex::Autolock l(mMutex); 483 484 if (!mStatusPresent) { 485 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 486 return ERROR_CAMERA_NOT_PRESENT; 487 } 488 489 ALOGV("%s: Stream %d registering %d buffers", __FUNCTION__, 490 stream_id, num_buffers); 491 // Need to find out what the final concrete pixel format for our stream is 492 // Assumes that all buffers have the same format. 493 if (num_buffers < 1) { 494 ALOGE("%s: Stream %d only has %d buffers!", 495 __FUNCTION__, stream_id, num_buffers); 496 return BAD_VALUE; 497 } 498 499 ssize_t streamIndex = mStreams.indexOfKey(stream_id); 500 if (streamIndex < 0) { 501 ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id); 502 return BAD_VALUE; 503 } 504 505 Stream &stream = mStreams.editValueAt(streamIndex); 506 507 int finalFormat = stream.format; 508 509 if (finalFormat == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 510 finalFormat = HAL_PIXEL_FORMAT_RGBA_8888; 511 } 512 513 ALOGV("%s: Stream %d format set to %x, previously %x", 514 __FUNCTION__, stream_id, finalFormat, stream.format); 515 516 stream.format = finalFormat; 517 518 return NO_ERROR; 519 } 520 521 int EmulatedFakeCamera2::releaseStream(uint32_t stream_id) { 522 Mutex::Autolock l(mMutex); 523 524 ssize_t streamIndex = mStreams.indexOfKey(stream_id); 525 if (streamIndex < 0) { 526 ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id); 527 return BAD_VALUE; 528 } 529 530 if (isStreamInUse(stream_id)) { 531 ALOGE("%s: Cannot release stream %d; in use!", __FUNCTION__, 532 stream_id); 533 return BAD_VALUE; 534 } 535 536 switch(mStreams.valueAt(streamIndex).format) { 537 case HAL_PIXEL_FORMAT_RAW16: 538 mRawStreamCount--; 539 break; 540 case HAL_PIXEL_FORMAT_BLOB: 541 mJpegStreamCount--; 542 break; 543 default: 544 mProcessedStreamCount--; 545 break; 546 } 547 548 mStreams.removeItemsAt(streamIndex); 549 550 return NO_ERROR; 551 } 552 553 int EmulatedFakeCamera2::allocateReprocessStreamFromStream( 554 uint32_t output_stream_id, 555 const camera2_stream_in_ops_t *stream_ops, 556 uint32_t *stream_id) { 557 Mutex::Autolock l(mMutex); 558 559 if (!mStatusPresent) { 560 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 561 return ERROR_CAMERA_NOT_PRESENT; 562 } 563 564 ssize_t baseStreamIndex = mStreams.indexOfKey(output_stream_id); 565 if (baseStreamIndex < 0) { 566 ALOGE("%s: Unknown output stream id %d!", __FUNCTION__, output_stream_id); 567 return BAD_VALUE; 568 } 569 570 const Stream &baseStream = mStreams[baseStreamIndex]; 571 572 // We'll reprocess anything we produced 573 574 if (mReprocessStreamCount >= kMaxReprocessStreamCount) { 575 ALOGE("%s: Cannot allocate another reprocess stream (%d already allocated)", 576 __FUNCTION__, mReprocessStreamCount); 577 return INVALID_OPERATION; 578 } 579 mReprocessStreamCount++; 580 581 ReprocessStream newStream; 582 newStream.ops = stream_ops; 583 newStream.width = baseStream.width; 584 newStream.height = baseStream.height; 585 newStream.format = baseStream.format; 586 newStream.stride = baseStream.stride; 587 newStream.sourceStreamId = output_stream_id; 588 589 *stream_id = mNextReprocessStreamId; 590 mReprocessStreams.add(mNextReprocessStreamId, newStream); 591 592 ALOGV("Reprocess stream allocated: %d: %d, %d, 0x%x. Parent stream: %d", 593 *stream_id, newStream.width, newStream.height, newStream.format, 594 output_stream_id); 595 596 mNextReprocessStreamId++; 597 return NO_ERROR; 598 } 599 600 int EmulatedFakeCamera2::releaseReprocessStream(uint32_t stream_id) { 601 Mutex::Autolock l(mMutex); 602 603 ssize_t streamIndex = mReprocessStreams.indexOfKey(stream_id); 604 if (streamIndex < 0) { 605 ALOGE("%s: Unknown reprocess stream id %d!", __FUNCTION__, stream_id); 606 return BAD_VALUE; 607 } 608 609 if (isReprocessStreamInUse(stream_id)) { 610 ALOGE("%s: Cannot release reprocessing stream %d; in use!", __FUNCTION__, 611 stream_id); 612 return BAD_VALUE; 613 } 614 615 mReprocessStreamCount--; 616 mReprocessStreams.removeItemsAt(streamIndex); 617 618 return NO_ERROR; 619 } 620 621 int EmulatedFakeCamera2::triggerAction(uint32_t trigger_id, 622 int32_t ext1, 623 int32_t ext2) { 624 Mutex::Autolock l(mMutex); 625 626 if (trigger_id == CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT) { 627 ALOGI("%s: Disconnect trigger - camera must be closed", __FUNCTION__); 628 mStatusPresent = false; 629 630 gEmulatedCameraFactory.onStatusChanged( 631 mCameraID, 632 CAMERA_DEVICE_STATUS_NOT_PRESENT); 633 } 634 635 if (!mStatusPresent) { 636 ALOGW("%s: Camera was physically disconnected", __FUNCTION__); 637 return ERROR_CAMERA_NOT_PRESENT; 638 } 639 640 return mControlThread->triggerAction(trigger_id, 641 ext1, ext2); 642 } 643 644 /** Shutdown and debug methods */ 645 646 int EmulatedFakeCamera2::dump(int fd) { 647 String8 result; 648 649 result.appendFormat(" Camera HAL device: EmulatedFakeCamera2\n"); 650 result.appendFormat(" Streams:\n"); 651 for (size_t i = 0; i < mStreams.size(); i++) { 652 int id = mStreams.keyAt(i); 653 const Stream& s = mStreams.valueAt(i); 654 result.appendFormat( 655 " Stream %d: %d x %d, format 0x%x, stride %d\n", 656 id, s.width, s.height, s.format, s.stride); 657 } 658 659 write(fd, result.string(), result.size()); 660 661 return NO_ERROR; 662 } 663 664 void EmulatedFakeCamera2::signalError() { 665 // TODO: Let parent know so we can shut down cleanly 666 ALOGE("Worker thread is signaling a serious error"); 667 } 668 669 /** Pipeline control worker thread methods */ 670 671 EmulatedFakeCamera2::ConfigureThread::ConfigureThread(EmulatedFakeCamera2 *parent): 672 Thread(false), 673 mParent(parent), 674 mRequestCount(0), 675 mNextBuffers(NULL) { 676 mRunning = false; 677 } 678 679 EmulatedFakeCamera2::ConfigureThread::~ConfigureThread() { 680 } 681 682 status_t EmulatedFakeCamera2::ConfigureThread::readyToRun() { 683 Mutex::Autolock lock(mInputMutex); 684 685 ALOGV("Starting up ConfigureThread"); 686 mRequest = NULL; 687 mActive = false; 688 mRunning = true; 689 690 mInputSignal.signal(); 691 return NO_ERROR; 692 } 693 694 status_t EmulatedFakeCamera2::ConfigureThread::waitUntilRunning() { 695 Mutex::Autolock lock(mInputMutex); 696 if (!mRunning) { 697 ALOGV("Waiting for configure thread to start"); 698 mInputSignal.wait(mInputMutex); 699 } 700 return OK; 701 } 702 703 status_t EmulatedFakeCamera2::ConfigureThread::newRequestAvailable() { 704 waitUntilRunning(); 705 706 Mutex::Autolock lock(mInputMutex); 707 708 mActive = true; 709 mInputSignal.signal(); 710 711 return OK; 712 } 713 714 bool EmulatedFakeCamera2::ConfigureThread::isStreamInUse(uint32_t id) { 715 Mutex::Autolock lock(mInternalsMutex); 716 717 if (mNextBuffers == NULL) return false; 718 for (size_t i=0; i < mNextBuffers->size(); i++) { 719 if ((*mNextBuffers)[i].streamId == (int)id) return true; 720 } 721 return false; 722 } 723 724 int EmulatedFakeCamera2::ConfigureThread::getInProgressCount() { 725 Mutex::Autolock lock(mInputMutex); 726 return mRequestCount; 727 } 728 729 bool EmulatedFakeCamera2::ConfigureThread::threadLoop() { 730 status_t res; 731 732 // Check if we're currently processing or just waiting 733 { 734 Mutex::Autolock lock(mInputMutex); 735 if (!mActive) { 736 // Inactive, keep waiting until we've been signaled 737 status_t res; 738 res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop); 739 if (res != NO_ERROR && res != TIMED_OUT) { 740 ALOGE("%s: Error waiting for input requests: %d", 741 __FUNCTION__, res); 742 return false; 743 } 744 if (!mActive) return true; 745 ALOGV("New request available"); 746 } 747 // Active 748 } 749 750 if (mRequest == NULL) { 751 Mutex::Autolock il(mInternalsMutex); 752 753 ALOGV("Configure: Getting next request"); 754 res = mParent->mRequestQueueSrc->dequeue_request( 755 mParent->mRequestQueueSrc, 756 &mRequest); 757 if (res != NO_ERROR) { 758 ALOGE("%s: Error dequeuing next request: %d", __FUNCTION__, res); 759 mParent->signalError(); 760 return false; 761 } 762 if (mRequest == NULL) { 763 ALOGV("Configure: Request queue empty, going inactive"); 764 // No requests available, go into inactive mode 765 Mutex::Autolock lock(mInputMutex); 766 mActive = false; 767 return true; 768 } else { 769 Mutex::Autolock lock(mInputMutex); 770 mRequestCount++; 771 } 772 773 camera_metadata_entry_t type; 774 res = find_camera_metadata_entry(mRequest, 775 ANDROID_REQUEST_TYPE, 776 &type); 777 if (res != NO_ERROR) { 778 ALOGE("%s: error reading request type", __FUNCTION__); 779 mParent->signalError(); 780 return false; 781 } 782 bool success = false;; 783 switch (type.data.u8[0]) { 784 case ANDROID_REQUEST_TYPE_CAPTURE: 785 success = setupCapture(); 786 break; 787 case ANDROID_REQUEST_TYPE_REPROCESS: 788 success = setupReprocess(); 789 break; 790 default: 791 ALOGE("%s: Unexpected request type %d", 792 __FUNCTION__, type.data.u8[0]); 793 mParent->signalError(); 794 break; 795 } 796 if (!success) return false; 797 798 } 799 800 if (mWaitingForReadout) { 801 bool readoutDone; 802 readoutDone = mParent->mReadoutThread->waitForReady(kWaitPerLoop); 803 if (!readoutDone) return true; 804 805 if (mNextNeedsJpeg) { 806 ALOGV("Configure: Waiting for JPEG compressor"); 807 } else { 808 ALOGV("Configure: Waiting for sensor"); 809 } 810 mWaitingForReadout = false; 811 } 812 813 if (mNextNeedsJpeg) { 814 bool jpegDone; 815 jpegDone = mParent->mJpegCompressor->waitForDone(kWaitPerLoop); 816 if (!jpegDone) return true; 817 818 ALOGV("Configure: Waiting for sensor"); 819 mNextNeedsJpeg = false; 820 } 821 822 if (mNextIsCapture) { 823 return configureNextCapture(); 824 } else { 825 return configureNextReprocess(); 826 } 827 } 828 829 bool EmulatedFakeCamera2::ConfigureThread::setupCapture() { 830 status_t res; 831 832 mNextIsCapture = true; 833 // Get necessary parameters for sensor config 834 mParent->mControlThread->processRequest(mRequest); 835 836 camera_metadata_entry_t streams; 837 res = find_camera_metadata_entry(mRequest, 838 ANDROID_REQUEST_OUTPUT_STREAMS, 839 &streams); 840 if (res != NO_ERROR) { 841 ALOGE("%s: error reading output stream tag", __FUNCTION__); 842 mParent->signalError(); 843 return false; 844 } 845 846 mNextBuffers = new Buffers; 847 mNextNeedsJpeg = false; 848 ALOGV("Configure: Setting up buffers for capture"); 849 for (size_t i = 0; i < streams.count; i++) { 850 int streamId = streams.data.i32[i]; 851 const Stream &s = mParent->getStreamInfo(streamId); 852 if (s.format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { 853 ALOGE("%s: Stream %d does not have a concrete pixel format, but " 854 "is included in a request!", __FUNCTION__, streamId); 855 mParent->signalError(); 856 return false; 857 } 858 StreamBuffer b; 859 b.streamId = streams.data.u8[i]; 860 b.width = s.width; 861 b.height = s.height; 862 b.format = s.format; 863 b.stride = s.stride; 864 mNextBuffers->push_back(b); 865 ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, " 866 "stride %d", 867 i, b.streamId, b.width, b.height, b.format, b.stride); 868 if (b.format == HAL_PIXEL_FORMAT_BLOB) { 869 mNextNeedsJpeg = true; 870 } 871 } 872 873 camera_metadata_entry_t e; 874 res = find_camera_metadata_entry(mRequest, 875 ANDROID_REQUEST_FRAME_COUNT, 876 &e); 877 if (res != NO_ERROR) { 878 ALOGE("%s: error reading frame count tag: %s (%d)", 879 __FUNCTION__, strerror(-res), res); 880 mParent->signalError(); 881 return false; 882 } 883 mNextFrameNumber = *e.data.i32; 884 885 res = find_camera_metadata_entry(mRequest, 886 ANDROID_SENSOR_EXPOSURE_TIME, 887 &e); 888 if (res != NO_ERROR) { 889 ALOGE("%s: error reading exposure time tag: %s (%d)", 890 __FUNCTION__, strerror(-res), res); 891 mParent->signalError(); 892 return false; 893 } 894 mNextExposureTime = *e.data.i64; 895 896 res = find_camera_metadata_entry(mRequest, 897 ANDROID_SENSOR_FRAME_DURATION, 898 &e); 899 if (res != NO_ERROR) { 900 ALOGE("%s: error reading frame duration tag", __FUNCTION__); 901 mParent->signalError(); 902 return false; 903 } 904 mNextFrameDuration = *e.data.i64; 905 906 if (mNextFrameDuration < 907 mNextExposureTime + Sensor::kMinVerticalBlank) { 908 mNextFrameDuration = mNextExposureTime + Sensor::kMinVerticalBlank; 909 } 910 res = find_camera_metadata_entry(mRequest, 911 ANDROID_SENSOR_SENSITIVITY, 912 &e); 913 if (res != NO_ERROR) { 914 ALOGE("%s: error reading sensitivity tag", __FUNCTION__); 915 mParent->signalError(); 916 return false; 917 } 918 mNextSensitivity = *e.data.i32; 919 920 // Start waiting on readout thread 921 mWaitingForReadout = true; 922 ALOGV("Configure: Waiting for readout thread"); 923 924 return true; 925 } 926 927 bool EmulatedFakeCamera2::ConfigureThread::configureNextCapture() { 928 bool vsync = mParent->mSensor->waitForVSync(kWaitPerLoop); 929 if (!vsync) return true; 930 931 Mutex::Autolock il(mInternalsMutex); 932 ALOGV("Configure: Configuring sensor for capture %d", mNextFrameNumber); 933 mParent->mSensor->setExposureTime(mNextExposureTime); 934 mParent->mSensor->setFrameDuration(mNextFrameDuration); 935 mParent->mSensor->setSensitivity(mNextSensitivity); 936 937 getBuffers(); 938 939 ALOGV("Configure: Done configure for capture %d", mNextFrameNumber); 940 mParent->mReadoutThread->setNextOperation(true, mRequest, mNextBuffers); 941 mParent->mSensor->setDestinationBuffers(mNextBuffers); 942 943 mRequest = NULL; 944 mNextBuffers = NULL; 945 946 Mutex::Autolock lock(mInputMutex); 947 mRequestCount--; 948 949 return true; 950 } 951 952 bool EmulatedFakeCamera2::ConfigureThread::setupReprocess() { 953 status_t res; 954 955 mNextNeedsJpeg = true; 956 mNextIsCapture = false; 957 958 camera_metadata_entry_t reprocessStreams; 959 res = find_camera_metadata_entry(mRequest, 960 ANDROID_REQUEST_INPUT_STREAMS, 961 &reprocessStreams); 962 if (res != NO_ERROR) { 963 ALOGE("%s: error reading output stream tag", __FUNCTION__); 964 mParent->signalError(); 965 return false; 966 } 967 968 mNextBuffers = new Buffers; 969 970 ALOGV("Configure: Setting up input buffers for reprocess"); 971 for (size_t i = 0; i < reprocessStreams.count; i++) { 972 int streamId = reprocessStreams.data.i32[i]; 973 const ReprocessStream &s = mParent->getReprocessStreamInfo(streamId); 974 if (s.format != HAL_PIXEL_FORMAT_RGB_888) { 975 ALOGE("%s: Only ZSL reprocessing supported!", 976 __FUNCTION__); 977 mParent->signalError(); 978 return false; 979 } 980 StreamBuffer b; 981 b.streamId = -streamId; 982 b.width = s.width; 983 b.height = s.height; 984 b.format = s.format; 985 b.stride = s.stride; 986 mNextBuffers->push_back(b); 987 } 988 989 camera_metadata_entry_t streams; 990 res = find_camera_metadata_entry(mRequest, 991 ANDROID_REQUEST_OUTPUT_STREAMS, 992 &streams); 993 if (res != NO_ERROR) { 994 ALOGE("%s: error reading output stream tag", __FUNCTION__); 995 mParent->signalError(); 996 return false; 997 } 998 999 ALOGV("Configure: Setting up output buffers for reprocess"); 1000 for (size_t i = 0; i < streams.count; i++) { 1001 int streamId = streams.data.i32[i]; 1002 const Stream &s = mParent->getStreamInfo(streamId); 1003 if (s.format != HAL_PIXEL_FORMAT_BLOB) { 1004 // TODO: Support reprocess to YUV 1005 ALOGE("%s: Non-JPEG output stream %d for reprocess not supported", 1006 __FUNCTION__, streamId); 1007 mParent->signalError(); 1008 return false; 1009 } 1010 StreamBuffer b; 1011 b.streamId = streams.data.u8[i]; 1012 b.width = s.width; 1013 b.height = s.height; 1014 b.format = s.format; 1015 b.stride = s.stride; 1016 mNextBuffers->push_back(b); 1017 ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, " 1018 "stride %d", 1019 i, b.streamId, b.width, b.height, b.format, b.stride); 1020 } 1021 1022 camera_metadata_entry_t e; 1023 res = find_camera_metadata_entry(mRequest, 1024 ANDROID_REQUEST_FRAME_COUNT, 1025 &e); 1026 if (res != NO_ERROR) { 1027 ALOGE("%s: error reading frame count tag: %s (%d)", 1028 __FUNCTION__, strerror(-res), res); 1029 mParent->signalError(); 1030 return false; 1031 } 1032 mNextFrameNumber = *e.data.i32; 1033 1034 return true; 1035 } 1036 1037 bool EmulatedFakeCamera2::ConfigureThread::configureNextReprocess() { 1038 Mutex::Autolock il(mInternalsMutex); 1039 1040 getBuffers(); 1041 1042 ALOGV("Configure: Done configure for reprocess %d", mNextFrameNumber); 1043 mParent->mReadoutThread->setNextOperation(false, mRequest, mNextBuffers); 1044 1045 mRequest = NULL; 1046 mNextBuffers = NULL; 1047 1048 Mutex::Autolock lock(mInputMutex); 1049 mRequestCount--; 1050 1051 return true; 1052 } 1053 1054 bool EmulatedFakeCamera2::ConfigureThread::getBuffers() { 1055 status_t res; 1056 /** Get buffers to fill for this frame */ 1057 for (size_t i = 0; i < mNextBuffers->size(); i++) { 1058 StreamBuffer &b = mNextBuffers->editItemAt(i); 1059 1060 if (b.streamId > 0) { 1061 Stream s = mParent->getStreamInfo(b.streamId); 1062 ALOGV("Configure: Dequeing buffer from stream %d", b.streamId); 1063 res = s.ops->dequeue_buffer(s.ops, &(b.buffer) ); 1064 if (res != NO_ERROR || b.buffer == NULL) { 1065 ALOGE("%s: Unable to dequeue buffer from stream %d: %s (%d)", 1066 __FUNCTION__, b.streamId, strerror(-res), res); 1067 mParent->signalError(); 1068 return false; 1069 } 1070 1071 /* Lock the buffer from the perspective of the graphics mapper */ 1072 res = GrallocModule::getInstance().lock(*(b.buffer), 1073 GRALLOC_USAGE_HW_CAMERA_WRITE, 1074 0, 0, s.width, s.height, 1075 (void**)&(b.img)); 1076 1077 1078 if (res != NO_ERROR) { 1079 ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)", 1080 __FUNCTION__, strerror(-res), res); 1081 s.ops->cancel_buffer(s.ops, 1082 b.buffer); 1083 mParent->signalError(); 1084 return false; 1085 } 1086 } else { 1087 ReprocessStream s = mParent->getReprocessStreamInfo(-b.streamId); 1088 ALOGV("Configure: Acquiring buffer from reprocess stream %d", 1089 -b.streamId); 1090 res = s.ops->acquire_buffer(s.ops, &(b.buffer) ); 1091 if (res != NO_ERROR || b.buffer == NULL) { 1092 ALOGE("%s: Unable to acquire buffer from reprocess stream %d: " 1093 "%s (%d)", __FUNCTION__, -b.streamId, 1094 strerror(-res), res); 1095 mParent->signalError(); 1096 return false; 1097 } 1098 1099 /* Lock the buffer from the perspective of the graphics mapper */ 1100 res = GrallocModule::getInstance().lock(*(b.buffer), 1101 GRALLOC_USAGE_HW_CAMERA_READ, 1102 0, 0, s.width, s.height, 1103 (void**)&(b.img) ); 1104 if (res != NO_ERROR) { 1105 ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)", 1106 __FUNCTION__, strerror(-res), res); 1107 s.ops->release_buffer(s.ops, 1108 b.buffer); 1109 mParent->signalError(); 1110 return false; 1111 } 1112 } 1113 } 1114 return true; 1115 } 1116 1117 EmulatedFakeCamera2::ReadoutThread::ReadoutThread(EmulatedFakeCamera2 *parent): 1118 Thread(false), 1119 mParent(parent), 1120 mRunning(false), 1121 mActive(false), 1122 mRequestCount(0), 1123 mRequest(NULL), 1124 mBuffers(NULL) { 1125 mInFlightQueue = new InFlightQueue[kInFlightQueueSize]; 1126 mInFlightHead = 0; 1127 mInFlightTail = 0; 1128 } 1129 1130 EmulatedFakeCamera2::ReadoutThread::~ReadoutThread() { 1131 delete[] mInFlightQueue; 1132 } 1133 1134 status_t EmulatedFakeCamera2::ReadoutThread::readyToRun() { 1135 Mutex::Autolock lock(mInputMutex); 1136 ALOGV("Starting up ReadoutThread"); 1137 mRunning = true; 1138 mInputSignal.signal(); 1139 return NO_ERROR; 1140 } 1141 1142 status_t EmulatedFakeCamera2::ReadoutThread::waitUntilRunning() { 1143 Mutex::Autolock lock(mInputMutex); 1144 if (!mRunning) { 1145 ALOGV("Waiting for readout thread to start"); 1146 mInputSignal.wait(mInputMutex); 1147 } 1148 return OK; 1149 } 1150 1151 bool EmulatedFakeCamera2::ReadoutThread::waitForReady(nsecs_t timeout) { 1152 status_t res; 1153 Mutex::Autolock lock(mInputMutex); 1154 while (!readyForNextCapture()) { 1155 res = mReadySignal.waitRelative(mInputMutex, timeout); 1156 if (res == TIMED_OUT) return false; 1157 if (res != OK) { 1158 ALOGE("%s: Error waiting for ready: %s (%d)", __FUNCTION__, 1159 strerror(-res), res); 1160 return false; 1161 } 1162 } 1163 return true; 1164 } 1165 1166 bool EmulatedFakeCamera2::ReadoutThread::readyForNextCapture() { 1167 return (mInFlightTail + 1) % kInFlightQueueSize != mInFlightHead; 1168 } 1169 1170 void EmulatedFakeCamera2::ReadoutThread::setNextOperation( 1171 bool isCapture, 1172 camera_metadata_t *request, 1173 Buffers *buffers) { 1174 Mutex::Autolock lock(mInputMutex); 1175 if ( !readyForNextCapture() ) { 1176 ALOGE("In flight queue full, dropping captures"); 1177 mParent->signalError(); 1178 return; 1179 } 1180 mInFlightQueue[mInFlightTail].isCapture = isCapture; 1181 mInFlightQueue[mInFlightTail].request = request; 1182 mInFlightQueue[mInFlightTail].buffers = buffers; 1183 mInFlightTail = (mInFlightTail + 1) % kInFlightQueueSize; 1184 mRequestCount++; 1185 1186 if (!mActive) { 1187 mActive = true; 1188 mInputSignal.signal(); 1189 } 1190 } 1191 1192 bool EmulatedFakeCamera2::ReadoutThread::isStreamInUse(uint32_t id) { 1193 // acquire in same order as threadLoop 1194 Mutex::Autolock iLock(mInternalsMutex); 1195 Mutex::Autolock lock(mInputMutex); 1196 1197 size_t i = mInFlightHead; 1198 while (i != mInFlightTail) { 1199 for (size_t j = 0; j < mInFlightQueue[i].buffers->size(); j++) { 1200 if ( (*(mInFlightQueue[i].buffers))[j].streamId == (int)id ) 1201 return true; 1202 } 1203 i = (i + 1) % kInFlightQueueSize; 1204 } 1205 1206 1207 if (mBuffers != NULL) { 1208 for (i = 0; i < mBuffers->size(); i++) { 1209 if ( (*mBuffers)[i].streamId == (int)id) return true; 1210 } 1211 } 1212 1213 return false; 1214 } 1215 1216 int EmulatedFakeCamera2::ReadoutThread::getInProgressCount() { 1217 Mutex::Autolock lock(mInputMutex); 1218 1219 return mRequestCount; 1220 } 1221 1222 bool EmulatedFakeCamera2::ReadoutThread::threadLoop() { 1223 static const nsecs_t kWaitPerLoop = 10000000L; // 10 ms 1224 status_t res; 1225 int32_t frameNumber; 1226 1227 // Check if we're currently processing or just waiting 1228 { 1229 Mutex::Autolock lock(mInputMutex); 1230 if (!mActive) { 1231 // Inactive, keep waiting until we've been signaled 1232 res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop); 1233 if (res != NO_ERROR && res != TIMED_OUT) { 1234 ALOGE("%s: Error waiting for capture requests: %d", 1235 __FUNCTION__, res); 1236 mParent->signalError(); 1237 return false; 1238 } 1239 if (!mActive) return true; 1240 } 1241 // Active, see if we need a new request 1242 if (mRequest == NULL) { 1243 if (mInFlightHead == mInFlightTail) { 1244 // Go inactive 1245 ALOGV("Waiting for sensor data"); 1246 mActive = false; 1247 return true; 1248 } else { 1249 Mutex::Autolock iLock(mInternalsMutex); 1250 mReadySignal.signal(); 1251 mIsCapture = mInFlightQueue[mInFlightHead].isCapture; 1252 mRequest = mInFlightQueue[mInFlightHead].request; 1253 mBuffers = mInFlightQueue[mInFlightHead].buffers; 1254 mInFlightQueue[mInFlightHead].request = NULL; 1255 mInFlightQueue[mInFlightHead].buffers = NULL; 1256 mInFlightHead = (mInFlightHead + 1) % kInFlightQueueSize; 1257 ALOGV("Ready to read out request %p, %zu buffers", 1258 mRequest, mBuffers->size()); 1259 } 1260 } 1261 } 1262 1263 // Active with request, wait on sensor to complete 1264 1265 nsecs_t captureTime; 1266 1267 if (mIsCapture) { 1268 bool gotFrame; 1269 gotFrame = mParent->mSensor->waitForNewFrame(kWaitPerLoop, 1270 &captureTime); 1271 1272 if (!gotFrame) return true; 1273 } 1274 1275 Mutex::Autolock iLock(mInternalsMutex); 1276 1277 camera_metadata_entry_t entry; 1278 if (!mIsCapture) { 1279 res = find_camera_metadata_entry(mRequest, 1280 ANDROID_SENSOR_TIMESTAMP, 1281 &entry); 1282 if (res != NO_ERROR) { 1283 ALOGE("%s: error reading reprocessing timestamp: %s (%d)", 1284 __FUNCTION__, strerror(-res), res); 1285 mParent->signalError(); 1286 return false; 1287 } 1288 captureTime = entry.data.i64[0]; 1289 } 1290 1291 res = find_camera_metadata_entry(mRequest, 1292 ANDROID_REQUEST_FRAME_COUNT, 1293 &entry); 1294 if (res != NO_ERROR) { 1295 ALOGE("%s: error reading frame count tag: %s (%d)", 1296 __FUNCTION__, strerror(-res), res); 1297 mParent->signalError(); 1298 return false; 1299 } 1300 frameNumber = *entry.data.i32; 1301 1302 res = find_camera_metadata_entry(mRequest, 1303 ANDROID_REQUEST_METADATA_MODE, 1304 &entry); 1305 if (res != NO_ERROR) { 1306 ALOGE("%s: error reading metadata mode tag: %s (%d)", 1307 __FUNCTION__, strerror(-res), res); 1308 mParent->signalError(); 1309 return false; 1310 } 1311 1312 // Got sensor data and request, construct frame and send it out 1313 ALOGV("Readout: Constructing metadata and frames for request %d", 1314 frameNumber); 1315 1316 if (*entry.data.u8 == ANDROID_REQUEST_METADATA_MODE_FULL) { 1317 ALOGV("Readout: Metadata requested, constructing"); 1318 1319 camera_metadata_t *frame = NULL; 1320 1321 size_t frame_entries = get_camera_metadata_entry_count(mRequest); 1322 size_t frame_data = get_camera_metadata_data_count(mRequest); 1323 1324 // TODO: Dynamically calculate based on enabled statistics, etc 1325 frame_entries += 10; 1326 frame_data += 100; 1327 1328 res = mParent->mFrameQueueDst->dequeue_frame(mParent->mFrameQueueDst, 1329 frame_entries, frame_data, &frame); 1330 1331 if (res != NO_ERROR || frame == NULL) { 1332 ALOGE("%s: Unable to dequeue frame metadata buffer", __FUNCTION__); 1333 mParent->signalError(); 1334 return false; 1335 } 1336 1337 res = append_camera_metadata(frame, mRequest); 1338 if (res != NO_ERROR) { 1339 ALOGE("Unable to append request metadata"); 1340 } 1341 1342 if (mIsCapture) { 1343 add_camera_metadata_entry(frame, 1344 ANDROID_SENSOR_TIMESTAMP, 1345 &captureTime, 1346 1); 1347 1348 collectStatisticsMetadata(frame); 1349 // TODO: Collect all final values used from sensor in addition to timestamp 1350 } 1351 1352 ALOGV("Readout: Enqueue frame %d", frameNumber); 1353 mParent->mFrameQueueDst->enqueue_frame(mParent->mFrameQueueDst, 1354 frame); 1355 } 1356 ALOGV("Readout: Free request"); 1357 res = mParent->mRequestQueueSrc->free_request(mParent->mRequestQueueSrc, mRequest); 1358 if (res != NO_ERROR) { 1359 ALOGE("%s: Unable to return request buffer to queue: %d", 1360 __FUNCTION__, res); 1361 mParent->signalError(); 1362 return false; 1363 } 1364 mRequest = NULL; 1365 1366 int compressedBufferIndex = -1; 1367 ALOGV("Readout: Processing %zu buffers", mBuffers->size()); 1368 for (size_t i = 0; i < mBuffers->size(); i++) { 1369 const StreamBuffer &b = (*mBuffers)[i]; 1370 ALOGV("Readout: Buffer %zu: Stream %d, %d x %d, format 0x%x, stride %d", 1371 i, b.streamId, b.width, b.height, b.format, b.stride); 1372 if (b.streamId > 0) { 1373 if (b.format == HAL_PIXEL_FORMAT_BLOB) { 1374 // Assumes only one BLOB buffer type per capture 1375 compressedBufferIndex = i; 1376 } else { 1377 ALOGV("Readout: Sending image buffer %zu (%p) to output stream %d", 1378 i, (void*)*(b.buffer), b.streamId); 1379 GrallocModule::getInstance().unlock(*(b.buffer)); 1380 const Stream &s = mParent->getStreamInfo(b.streamId); 1381 res = s.ops->enqueue_buffer(s.ops, captureTime, b.buffer); 1382 if (res != OK) { 1383 ALOGE("Error enqueuing image buffer %p: %s (%d)", b.buffer, 1384 strerror(-res), res); 1385 mParent->signalError(); 1386 } 1387 } 1388 } 1389 } 1390 1391 if (compressedBufferIndex == -1) { 1392 delete mBuffers; 1393 } else { 1394 ALOGV("Readout: Starting JPEG compression for buffer %d, stream %d", 1395 compressedBufferIndex, 1396 (*mBuffers)[compressedBufferIndex].streamId); 1397 mJpegTimestamp = captureTime; 1398 // Takes ownership of mBuffers 1399 mParent->mJpegCompressor->start(mBuffers, this); 1400 } 1401 mBuffers = NULL; 1402 1403 Mutex::Autolock l(mInputMutex); 1404 mRequestCount--; 1405 ALOGV("Readout: Done with request %d", frameNumber); 1406 return true; 1407 } 1408 1409 void EmulatedFakeCamera2::ReadoutThread::onJpegDone( 1410 const StreamBuffer &jpegBuffer, bool success) { 1411 status_t res; 1412 if (!success) { 1413 ALOGE("%s: Error queueing compressed image buffer %p", 1414 __FUNCTION__, jpegBuffer.buffer); 1415 mParent->signalError(); 1416 return; 1417 } 1418 1419 // Write to JPEG output stream 1420 ALOGV("%s: Compression complete, pushing to stream %d", __FUNCTION__, 1421 jpegBuffer.streamId); 1422 1423 GrallocModule::getInstance().unlock(*(jpegBuffer.buffer)); 1424 const Stream &s = mParent->getStreamInfo(jpegBuffer.streamId); 1425 res = s.ops->enqueue_buffer(s.ops, mJpegTimestamp, jpegBuffer.buffer); 1426 } 1427 1428 void EmulatedFakeCamera2::ReadoutThread::onJpegInputDone( 1429 const StreamBuffer &inputBuffer) { 1430 status_t res; 1431 GrallocModule::getInstance().unlock(*(inputBuffer.buffer)); 1432 const ReprocessStream &s = 1433 mParent->getReprocessStreamInfo(-inputBuffer.streamId); 1434 res = s.ops->release_buffer(s.ops, inputBuffer.buffer); 1435 if (res != OK) { 1436 ALOGE("Error releasing reprocess buffer %p: %s (%d)", 1437 inputBuffer.buffer, strerror(-res), res); 1438 mParent->signalError(); 1439 } 1440 } 1441 1442 status_t EmulatedFakeCamera2::ReadoutThread::collectStatisticsMetadata( 1443 camera_metadata_t *frame) { 1444 // Completely fake face rectangles, don't correspond to real faces in scene 1445 ALOGV("Readout: Collecting statistics metadata"); 1446 1447 status_t res; 1448 camera_metadata_entry_t entry; 1449 res = find_camera_metadata_entry(frame, 1450 ANDROID_STATISTICS_FACE_DETECT_MODE, 1451 &entry); 1452 if (res != OK) { 1453 ALOGE("%s: Unable to find face detect mode!", __FUNCTION__); 1454 return BAD_VALUE; 1455 } 1456 1457 if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) return OK; 1458 1459 // The coordinate system for the face regions is the raw sensor pixel 1460 // coordinates. Here, we map from the scene coordinates (0-19 in both axis) 1461 // to raw pixels, for the scene defined in fake-pipeline2/Scene.cpp. We 1462 // approximately place two faces on top of the windows of the house. No 1463 // actual faces exist there, but might one day. Note that this doesn't 1464 // account for the offsets used to account for aspect ratio differences, so 1465 // the rectangles don't line up quite right. 1466 const size_t numFaces = 2; 1467 int32_t rects[numFaces * 4] = { 1468 static_cast<int32_t>(mParent->mSensorWidth * 10 / 20), 1469 static_cast<int32_t>(mParent->mSensorHeight * 15 / 20), 1470 static_cast<int32_t>(mParent->mSensorWidth * 12 / 20), 1471 static_cast<int32_t>(mParent->mSensorHeight * 17 / 20), 1472 1473 static_cast<int32_t>(mParent->mSensorWidth * 16 / 20), 1474 static_cast<int32_t>(mParent->mSensorHeight * 15 / 20), 1475 static_cast<int32_t>(mParent->mSensorWidth * 18 / 20), 1476 static_cast<int32_t>(mParent->mSensorHeight * 17 / 20) 1477 }; 1478 // To simulate some kind of real detection going on, we jitter the rectangles on 1479 // each frame by a few pixels in each dimension. 1480 for (size_t i = 0; i < numFaces * 4; i++) { 1481 rects[i] += (int32_t)(((float)rand() / RAND_MAX) * 6 - 3); 1482 } 1483 // The confidence scores (0-100) are similarly jittered. 1484 uint8_t scores[numFaces] = { 85, 95 }; 1485 for (size_t i = 0; i < numFaces; i++) { 1486 scores[i] += (int32_t)(((float)rand() / RAND_MAX) * 10 - 5); 1487 } 1488 1489 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_RECTANGLES, 1490 rects, numFaces * 4); 1491 if (res != OK) { 1492 ALOGE("%s: Unable to add face rectangles!", __FUNCTION__); 1493 return BAD_VALUE; 1494 } 1495 1496 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_SCORES, 1497 scores, numFaces); 1498 if (res != OK) { 1499 ALOGE("%s: Unable to add face scores!", __FUNCTION__); 1500 return BAD_VALUE; 1501 } 1502 1503 if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE) return OK; 1504 1505 // Advanced face detection options - add eye/mouth coordinates. The 1506 // coordinates in order are (leftEyeX, leftEyeY, rightEyeX, rightEyeY, 1507 // mouthX, mouthY). The mapping is the same as the face rectangles. 1508 int32_t features[numFaces * 6] = { 1509 static_cast<int32_t>(mParent->mSensorWidth * 10.5 / 20), 1510 static_cast<int32_t>(mParent->mSensorHeight * 16 / 20), 1511 static_cast<int32_t>(mParent->mSensorWidth * 11.5 / 20), 1512 static_cast<int32_t>(mParent->mSensorHeight * 16 / 20), 1513 static_cast<int32_t>(mParent->mSensorWidth * 11 / 20), 1514 static_cast<int32_t>(mParent->mSensorHeight * 16.5 / 20), 1515 1516 static_cast<int32_t>(mParent->mSensorWidth * 16.5 / 20), 1517 static_cast<int32_t>(mParent->mSensorHeight * 16 / 20), 1518 static_cast<int32_t>(mParent->mSensorWidth * 17.5 / 20), 1519 static_cast<int32_t>(mParent->mSensorHeight * 16 / 20), 1520 static_cast<int32_t>(mParent->mSensorWidth * 17 / 20), 1521 static_cast<int32_t>(mParent->mSensorHeight * 16.5 / 20), 1522 }; 1523 // Jitter these a bit less than the rects 1524 for (size_t i = 0; i < numFaces * 6; i++) { 1525 features[i] += (int32_t)(((float)rand() / RAND_MAX) * 4 - 2); 1526 } 1527 // These are unique IDs that are used to identify each face while it's 1528 // visible to the detector (if a face went away and came back, it'd get a 1529 // new ID). 1530 int32_t ids[numFaces] = { 1531 100, 200 1532 }; 1533 1534 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_LANDMARKS, 1535 features, numFaces * 6); 1536 if (res != OK) { 1537 ALOGE("%s: Unable to add face landmarks!", __FUNCTION__); 1538 return BAD_VALUE; 1539 } 1540 1541 res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_IDS, 1542 ids, numFaces); 1543 if (res != OK) { 1544 ALOGE("%s: Unable to add face scores!", __FUNCTION__); 1545 return BAD_VALUE; 1546 } 1547 1548 return OK; 1549 } 1550 1551 EmulatedFakeCamera2::ControlThread::ControlThread(EmulatedFakeCamera2 *parent): 1552 Thread(false), 1553 mParent(parent) { 1554 mRunning = false; 1555 } 1556 1557 EmulatedFakeCamera2::ControlThread::~ControlThread() { 1558 } 1559 1560 status_t EmulatedFakeCamera2::ControlThread::readyToRun() { 1561 Mutex::Autolock lock(mInputMutex); 1562 1563 ALOGV("Starting up ControlThread"); 1564 mRunning = true; 1565 mStartAf = false; 1566 mCancelAf = false; 1567 mStartPrecapture = false; 1568 1569 mControlMode = ANDROID_CONTROL_MODE_AUTO; 1570 1571 mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 1572 mSceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY; 1573 1574 mAfMode = ANDROID_CONTROL_AF_MODE_AUTO; 1575 mAfModeChange = false; 1576 1577 mAeMode = ANDROID_CONTROL_AE_MODE_ON; 1578 mAwbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 1579 1580 mAfTriggerId = 0; 1581 mPrecaptureTriggerId = 0; 1582 1583 mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1584 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1585 mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE; 1586 1587 mExposureTime = kNormalExposureTime; 1588 1589 mInputSignal.signal(); 1590 return NO_ERROR; 1591 } 1592 1593 status_t EmulatedFakeCamera2::ControlThread::waitUntilRunning() { 1594 Mutex::Autolock lock(mInputMutex); 1595 if (!mRunning) { 1596 ALOGV("Waiting for control thread to start"); 1597 mInputSignal.wait(mInputMutex); 1598 } 1599 return OK; 1600 } 1601 1602 // Override android.control.* fields with 3A values before sending request to sensor 1603 status_t EmulatedFakeCamera2::ControlThread::processRequest(camera_metadata_t *request) { 1604 Mutex::Autolock lock(mInputMutex); 1605 // TODO: Add handling for all android.control.* fields here 1606 camera_metadata_entry_t mode; 1607 status_t res; 1608 1609 #define READ_IF_OK(res, what, def) \ 1610 (((res) == OK) ? (what) : (uint8_t)(def)) 1611 1612 res = find_camera_metadata_entry(request, 1613 ANDROID_CONTROL_MODE, 1614 &mode); 1615 mControlMode = READ_IF_OK(res, mode.data.u8[0], ANDROID_CONTROL_MODE_OFF); 1616 1617 // disable all 3A 1618 if (mControlMode == ANDROID_CONTROL_MODE_OFF) { 1619 mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 1620 mSceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED; 1621 mAfMode = ANDROID_CONTROL_AF_MODE_OFF; 1622 mAeLock = ANDROID_CONTROL_AE_LOCK_ON; 1623 mAeMode = ANDROID_CONTROL_AE_MODE_OFF; 1624 mAfModeChange = true; 1625 mStartAf = false; 1626 mCancelAf = true; 1627 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1628 mAwbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1629 return res; 1630 } 1631 1632 res = find_camera_metadata_entry(request, 1633 ANDROID_CONTROL_EFFECT_MODE, 1634 &mode); 1635 mEffectMode = READ_IF_OK(res, mode.data.u8[0], 1636 ANDROID_CONTROL_EFFECT_MODE_OFF); 1637 1638 res = find_camera_metadata_entry(request, 1639 ANDROID_CONTROL_SCENE_MODE, 1640 &mode); 1641 mSceneMode = READ_IF_OK(res, mode.data.u8[0], 1642 ANDROID_CONTROL_SCENE_MODE_DISABLED); 1643 1644 res = find_camera_metadata_entry(request, 1645 ANDROID_CONTROL_AF_MODE, 1646 &mode); 1647 if (mAfMode != mode.data.u8[0]) { 1648 ALOGV("AF new mode: %d, old mode %d", mode.data.u8[0], mAfMode); 1649 mAfMode = mode.data.u8[0]; 1650 mAfModeChange = true; 1651 mStartAf = false; 1652 mCancelAf = false; 1653 } 1654 1655 res = find_camera_metadata_entry(request, 1656 ANDROID_CONTROL_AE_MODE, 1657 &mode); 1658 mAeMode = READ_IF_OK(res, mode.data.u8[0], 1659 ANDROID_CONTROL_AE_MODE_OFF); 1660 1661 res = find_camera_metadata_entry(request, 1662 ANDROID_CONTROL_AE_LOCK, 1663 &mode); 1664 uint8_t aeLockVal = READ_IF_OK(res, mode.data.u8[0], 1665 ANDROID_CONTROL_AE_LOCK_ON); 1666 bool aeLock = (aeLockVal == ANDROID_CONTROL_AE_LOCK_ON); 1667 if (mAeLock && !aeLock) { 1668 mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE; 1669 } 1670 mAeLock = aeLock; 1671 1672 res = find_camera_metadata_entry(request, 1673 ANDROID_CONTROL_AWB_MODE, 1674 &mode); 1675 mAwbMode = READ_IF_OK(res, mode.data.u8[0], 1676 ANDROID_CONTROL_AWB_MODE_OFF); 1677 1678 // TODO: Override more control fields 1679 1680 if (mAeMode != ANDROID_CONTROL_AE_MODE_OFF) { 1681 camera_metadata_entry_t exposureTime; 1682 res = find_camera_metadata_entry(request, 1683 ANDROID_SENSOR_EXPOSURE_TIME, 1684 &exposureTime); 1685 if (res == OK) { 1686 exposureTime.data.i64[0] = mExposureTime; 1687 } 1688 } 1689 1690 #undef READ_IF_OK 1691 1692 return OK; 1693 } 1694 1695 status_t EmulatedFakeCamera2::ControlThread::triggerAction(uint32_t msgType, 1696 int32_t ext1, int32_t ext2) { 1697 ALOGV("%s: Triggering %d (%d, %d)", __FUNCTION__, msgType, ext1, ext2); 1698 Mutex::Autolock lock(mInputMutex); 1699 switch (msgType) { 1700 case CAMERA2_TRIGGER_AUTOFOCUS: 1701 mAfTriggerId = ext1; 1702 mStartAf = true; 1703 mCancelAf = false; 1704 break; 1705 case CAMERA2_TRIGGER_CANCEL_AUTOFOCUS: 1706 mAfTriggerId = ext1; 1707 mStartAf = false; 1708 mCancelAf = true; 1709 break; 1710 case CAMERA2_TRIGGER_PRECAPTURE_METERING: 1711 mPrecaptureTriggerId = ext1; 1712 mStartPrecapture = true; 1713 break; 1714 default: 1715 ALOGE("%s: Unknown action triggered: %d (arguments %d %d)", 1716 __FUNCTION__, msgType, ext1, ext2); 1717 return BAD_VALUE; 1718 } 1719 return OK; 1720 } 1721 1722 const nsecs_t EmulatedFakeCamera2::ControlThread::kControlCycleDelay = 100 * MSEC; 1723 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAfDuration = 500 * MSEC; 1724 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAfDuration = 900 * MSEC; 1725 const float EmulatedFakeCamera2::ControlThread::kAfSuccessRate = 0.9; 1726 // Once every 5 seconds 1727 const float EmulatedFakeCamera2::ControlThread::kContinuousAfStartRate = 1728 kControlCycleDelay / 5.0 * SEC; 1729 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAeDuration = 500 * MSEC; 1730 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAeDuration = 2 * SEC; 1731 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinPrecaptureAeDuration = 100 * MSEC; 1732 const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxPrecaptureAeDuration = 400 * MSEC; 1733 // Once every 3 seconds 1734 const float EmulatedFakeCamera2::ControlThread::kAeScanStartRate = 1735 kControlCycleDelay / 3000000000.0; 1736 1737 const nsecs_t EmulatedFakeCamera2::ControlThread::kNormalExposureTime = 10 * MSEC; 1738 const nsecs_t EmulatedFakeCamera2::ControlThread::kExposureJump = 2 * MSEC; 1739 const nsecs_t EmulatedFakeCamera2::ControlThread::kMinExposureTime = 1 * MSEC; 1740 1741 bool EmulatedFakeCamera2::ControlThread::threadLoop() { 1742 bool afModeChange = false; 1743 bool afTriggered = false; 1744 bool afCancelled = false; 1745 uint8_t afState; 1746 uint8_t afMode; 1747 int32_t afTriggerId; 1748 bool precaptureTriggered = false; 1749 uint8_t aeState; 1750 uint8_t aeMode; 1751 bool aeLock; 1752 int32_t precaptureTriggerId; 1753 nsecs_t nextSleep = kControlCycleDelay; 1754 1755 { 1756 Mutex::Autolock lock(mInputMutex); 1757 if (mStartAf) { 1758 ALOGD("Starting AF trigger processing"); 1759 afTriggered = true; 1760 mStartAf = false; 1761 } else if (mCancelAf) { 1762 ALOGD("Starting cancel AF trigger processing"); 1763 afCancelled = true; 1764 mCancelAf = false; 1765 } 1766 afState = mAfState; 1767 afMode = mAfMode; 1768 afModeChange = mAfModeChange; 1769 mAfModeChange = false; 1770 1771 afTriggerId = mAfTriggerId; 1772 1773 if(mStartPrecapture) { 1774 ALOGD("Starting precapture trigger processing"); 1775 precaptureTriggered = true; 1776 mStartPrecapture = false; 1777 } 1778 aeState = mAeState; 1779 aeMode = mAeMode; 1780 aeLock = mAeLock; 1781 precaptureTriggerId = mPrecaptureTriggerId; 1782 } 1783 1784 if (afCancelled || afModeChange) { 1785 ALOGV("Resetting AF state due to cancel/mode change"); 1786 afState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1787 updateAfState(afState, afTriggerId); 1788 mAfScanDuration = 0; 1789 mLockAfterPassiveScan = false; 1790 } 1791 1792 uint8_t oldAfState = afState; 1793 1794 if (afTriggered) { 1795 afState = processAfTrigger(afMode, afState); 1796 } 1797 1798 afState = maybeStartAfScan(afMode, afState); 1799 afState = updateAfScan(afMode, afState, &nextSleep); 1800 updateAfState(afState, afTriggerId); 1801 1802 if (precaptureTriggered) { 1803 aeState = processPrecaptureTrigger(aeMode, aeState); 1804 } 1805 1806 aeState = maybeStartAeScan(aeMode, aeLock, aeState); 1807 aeState = updateAeScan(aeMode, aeLock, aeState, &nextSleep); 1808 updateAeState(aeState, precaptureTriggerId); 1809 1810 int ret; 1811 timespec t; 1812 t.tv_sec = 0; 1813 t.tv_nsec = nextSleep; 1814 do { 1815 ret = nanosleep(&t, &t); 1816 } while (ret != 0); 1817 1818 if (mAfScanDuration > 0) { 1819 mAfScanDuration -= nextSleep; 1820 } 1821 if (mAeScanDuration > 0) { 1822 mAeScanDuration -= nextSleep; 1823 } 1824 1825 return true; 1826 } 1827 1828 int EmulatedFakeCamera2::ControlThread::processAfTrigger(uint8_t afMode, 1829 uint8_t afState) { 1830 switch (afMode) { 1831 case ANDROID_CONTROL_AF_MODE_OFF: 1832 case ANDROID_CONTROL_AF_MODE_EDOF: 1833 // Do nothing 1834 break; 1835 case ANDROID_CONTROL_AF_MODE_MACRO: 1836 case ANDROID_CONTROL_AF_MODE_AUTO: 1837 switch (afState) { 1838 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1839 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1840 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1841 // Start new focusing cycle 1842 mAfScanDuration = ((double)rand() / RAND_MAX) * 1843 (kMaxAfDuration - kMinAfDuration) + kMinAfDuration; 1844 afState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN; 1845 ALOGV("%s: AF scan start, duration %" PRId64 " ms", 1846 __FUNCTION__, mAfScanDuration / 1000000); 1847 break; 1848 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1849 // Ignore new request, already scanning 1850 break; 1851 default: 1852 ALOGE("Unexpected AF state in AUTO/MACRO AF mode: %d", 1853 afState); 1854 } 1855 break; 1856 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1857 switch (afState) { 1858 // Picture mode waits for passive scan to complete 1859 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1860 mLockAfterPassiveScan = true; 1861 break; 1862 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1863 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1864 break; 1865 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1866 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1867 break; 1868 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1869 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1870 // Must cancel to get out of these states 1871 break; 1872 default: 1873 ALOGE("Unexpected AF state in CONTINUOUS_PICTURE AF mode: %d", 1874 afState); 1875 } 1876 break; 1877 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1878 switch (afState) { 1879 // Video mode does not wait for passive scan to complete 1880 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1881 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1882 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1883 break; 1884 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1885 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1886 break; 1887 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1888 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1889 // Must cancel to get out of these states 1890 break; 1891 default: 1892 ALOGE("Unexpected AF state in CONTINUOUS_VIDEO AF mode: %d", 1893 afState); 1894 } 1895 break; 1896 default: 1897 break; 1898 } 1899 return afState; 1900 } 1901 1902 int EmulatedFakeCamera2::ControlThread::maybeStartAfScan(uint8_t afMode, 1903 uint8_t afState) { 1904 if ((afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO || 1905 afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE) && 1906 (afState == ANDROID_CONTROL_AF_STATE_INACTIVE || 1907 afState == ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED)) { 1908 1909 bool startScan = ((double)rand() / RAND_MAX) < kContinuousAfStartRate; 1910 if (startScan) { 1911 // Start new passive focusing cycle 1912 mAfScanDuration = ((double)rand() / RAND_MAX) * 1913 (kMaxAfDuration - kMinAfDuration) + kMinAfDuration; 1914 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN; 1915 ALOGV("%s: AF passive scan start, duration %" PRId64 " ms", 1916 __FUNCTION__, mAfScanDuration / 1000000); 1917 } 1918 } 1919 return afState; 1920 } 1921 1922 int EmulatedFakeCamera2::ControlThread::updateAfScan(uint8_t afMode, 1923 uint8_t afState, nsecs_t *maxSleep) { 1924 if (! (afState == ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN || 1925 afState == ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN ) ) { 1926 return afState; 1927 } 1928 1929 if (mAfScanDuration <= 0) { 1930 ALOGV("%s: AF scan done", __FUNCTION__); 1931 switch (afMode) { 1932 case ANDROID_CONTROL_AF_MODE_MACRO: 1933 case ANDROID_CONTROL_AF_MODE_AUTO: { 1934 bool success = ((double)rand() / RAND_MAX) < kAfSuccessRate; 1935 if (success) { 1936 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1937 } else { 1938 afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED; 1939 } 1940 break; 1941 } 1942 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1943 if (mLockAfterPassiveScan) { 1944 afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED; 1945 mLockAfterPassiveScan = false; 1946 } else { 1947 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED; 1948 } 1949 break; 1950 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1951 afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED; 1952 break; 1953 default: 1954 ALOGE("Unexpected AF mode in scan state"); 1955 } 1956 } else { 1957 if (mAfScanDuration <= *maxSleep) { 1958 *maxSleep = mAfScanDuration; 1959 } 1960 } 1961 return afState; 1962 } 1963 1964 void EmulatedFakeCamera2::ControlThread::updateAfState(uint8_t newState, 1965 int32_t triggerId) { 1966 Mutex::Autolock lock(mInputMutex); 1967 if (mAfState != newState) { 1968 ALOGV("%s: Autofocus state now %d, id %d", __FUNCTION__, 1969 newState, triggerId); 1970 mAfState = newState; 1971 mParent->sendNotification(CAMERA2_MSG_AUTOFOCUS, 1972 newState, triggerId, 0); 1973 } 1974 } 1975 1976 int EmulatedFakeCamera2::ControlThread::processPrecaptureTrigger(uint8_t aeMode, 1977 uint8_t aeState) { 1978 switch (aeMode) { 1979 case ANDROID_CONTROL_AE_MODE_OFF: 1980 // Don't do anything for these 1981 return aeState; 1982 case ANDROID_CONTROL_AE_MODE_ON: 1983 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 1984 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 1985 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 1986 // Trigger a precapture cycle 1987 aeState = ANDROID_CONTROL_AE_STATE_PRECAPTURE; 1988 mAeScanDuration = ((double)rand() / RAND_MAX) * 1989 (kMaxPrecaptureAeDuration - kMinPrecaptureAeDuration) + 1990 kMinPrecaptureAeDuration; 1991 ALOGD("%s: AE precapture scan start, duration %" PRId64 " ms", 1992 __FUNCTION__, mAeScanDuration / 1000000); 1993 1994 } 1995 return aeState; 1996 } 1997 1998 int EmulatedFakeCamera2::ControlThread::maybeStartAeScan(uint8_t aeMode, 1999 bool aeLocked, 2000 uint8_t aeState) { 2001 if (aeLocked) return aeState; 2002 switch (aeMode) { 2003 case ANDROID_CONTROL_AE_MODE_OFF: 2004 break; 2005 case ANDROID_CONTROL_AE_MODE_ON: 2006 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 2007 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 2008 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: { 2009 if (aeState != ANDROID_CONTROL_AE_STATE_INACTIVE && 2010 aeState != ANDROID_CONTROL_AE_STATE_CONVERGED) break; 2011 2012 bool startScan = ((double)rand() / RAND_MAX) < kAeScanStartRate; 2013 if (startScan) { 2014 mAeScanDuration = ((double)rand() / RAND_MAX) * 2015 (kMaxAeDuration - kMinAeDuration) + kMinAeDuration; 2016 aeState = ANDROID_CONTROL_AE_STATE_SEARCHING; 2017 ALOGV("%s: AE scan start, duration %" PRId64 " ms", 2018 __FUNCTION__, mAeScanDuration / 1000000); 2019 } 2020 } 2021 } 2022 2023 return aeState; 2024 } 2025 2026 int EmulatedFakeCamera2::ControlThread::updateAeScan(uint8_t aeMode, 2027 bool aeLock, uint8_t aeState, nsecs_t *maxSleep) { 2028 if (aeLock && aeState != ANDROID_CONTROL_AE_STATE_PRECAPTURE) { 2029 mAeScanDuration = 0; 2030 aeState = ANDROID_CONTROL_AE_STATE_LOCKED; 2031 } else if ((aeState == ANDROID_CONTROL_AE_STATE_SEARCHING) || 2032 (aeState == ANDROID_CONTROL_AE_STATE_PRECAPTURE ) ) { 2033 if (mAeScanDuration <= 0) { 2034 ALOGV("%s: AE scan done", __FUNCTION__); 2035 aeState = aeLock ? 2036 ANDROID_CONTROL_AE_STATE_LOCKED :ANDROID_CONTROL_AE_STATE_CONVERGED; 2037 2038 Mutex::Autolock lock(mInputMutex); 2039 mExposureTime = kNormalExposureTime; 2040 } else { 2041 if (mAeScanDuration <= *maxSleep) { 2042 *maxSleep = mAeScanDuration; 2043 } 2044 2045 int64_t exposureDelta = 2046 ((double)rand() / RAND_MAX) * 2 * kExposureJump - 2047 kExposureJump; 2048 Mutex::Autolock lock(mInputMutex); 2049 mExposureTime = mExposureTime + exposureDelta; 2050 if (mExposureTime < kMinExposureTime) mExposureTime = kMinExposureTime; 2051 } 2052 } 2053 2054 return aeState; 2055 } 2056 2057 2058 void EmulatedFakeCamera2::ControlThread::updateAeState(uint8_t newState, 2059 int32_t triggerId) { 2060 Mutex::Autolock lock(mInputMutex); 2061 if (mAeState != newState) { 2062 ALOGV("%s: Autoexposure state now %d, id %d", __FUNCTION__, 2063 newState, triggerId); 2064 mAeState = newState; 2065 mParent->sendNotification(CAMERA2_MSG_AUTOEXPOSURE, 2066 newState, triggerId, 0); 2067 } 2068 } 2069 2070 /** Private methods */ 2071 2072 status_t EmulatedFakeCamera2::constructStaticInfo( 2073 camera_metadata_t **info, 2074 bool sizeRequest) const { 2075 2076 size_t entryCount = 0; 2077 size_t dataCount = 0; 2078 status_t ret; 2079 2080 #define ADD_OR_SIZE( tag, data, count ) \ 2081 if ( ( ret = addOrSize(*info, sizeRequest, &entryCount, &dataCount, \ 2082 tag, data, count) ) != OK ) return ret 2083 2084 // android.lens 2085 2086 // 5 cm min focus distance for back camera, infinity (fixed focus) for front 2087 const float minFocusDistance = mFacingBack ? 1.0/0.05 : 0.0; 2088 ADD_OR_SIZE(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 2089 &minFocusDistance, 1); 2090 // 5 m hyperfocal distance for back camera, infinity (fixed focus) for front 2091 const float hyperFocalDistance = mFacingBack ? 1.0/5.0 : 0.0; 2092 ADD_OR_SIZE(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE, 2093 &minFocusDistance, 1); 2094 2095 static const float focalLength = 3.30f; // mm 2096 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 2097 &focalLength, 1); 2098 static const float aperture = 2.8f; 2099 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_APERTURES, 2100 &aperture, 1); 2101 static const float filterDensity = 0; 2102 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FILTER_DENSITIES, 2103 &filterDensity, 1); 2104 static const uint8_t availableOpticalStabilization = 2105 ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; 2106 ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, 2107 &availableOpticalStabilization, 1); 2108 2109 static const int32_t lensShadingMapSize[] = {1, 1}; 2110 ADD_OR_SIZE(ANDROID_LENS_INFO_SHADING_MAP_SIZE, lensShadingMapSize, 2111 sizeof(lensShadingMapSize)/sizeof(int32_t)); 2112 2113 int32_t lensFacing = mFacingBack ? 2114 ANDROID_LENS_FACING_BACK : ANDROID_LENS_FACING_FRONT; 2115 ADD_OR_SIZE(ANDROID_LENS_FACING, &lensFacing, 1); 2116 2117 // android.sensor 2118 2119 ADD_OR_SIZE(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE, 2120 Sensor::kExposureTimeRange, 2); 2121 2122 ADD_OR_SIZE(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, 2123 &Sensor::kFrameDurationRange[1], 1); 2124 2125 ADD_OR_SIZE(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE, 2126 Sensor::kSensitivityRange, 2127 sizeof(Sensor::kSensitivityRange) 2128 /sizeof(int32_t)); 2129 2130 ADD_OR_SIZE(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT, 2131 &Sensor::kColorFilterArrangement, 1); 2132 2133 static const float sensorPhysicalSize[2] = {3.20f, 2.40f}; // mm 2134 ADD_OR_SIZE(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2135 sensorPhysicalSize, 2); 2136 2137 const int32_t pixelArray[] = {mSensorWidth, mSensorHeight}; 2138 ADD_OR_SIZE(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, 2139 pixelArray, 2); 2140 2141 ADD_OR_SIZE(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2142 pixelArray, 2); 2143 2144 ADD_OR_SIZE(ANDROID_SENSOR_INFO_WHITE_LEVEL, 2145 &Sensor::kMaxRawValue, 1); 2146 2147 static const int32_t blackLevelPattern[4] = { 2148 static_cast<int32_t>(Sensor::kBlackLevel), 2149 static_cast<int32_t>(Sensor::kBlackLevel), 2150 static_cast<int32_t>(Sensor::kBlackLevel), 2151 static_cast<int32_t>(Sensor::kBlackLevel) 2152 }; 2153 ADD_OR_SIZE(ANDROID_SENSOR_BLACK_LEVEL_PATTERN, 2154 blackLevelPattern, sizeof(blackLevelPattern)/sizeof(int32_t)); 2155 2156 //TODO: sensor color calibration fields 2157 2158 // android.flash 2159 static const uint8_t flashAvailable = 0; 2160 ADD_OR_SIZE(ANDROID_FLASH_INFO_AVAILABLE, &flashAvailable, 1); 2161 2162 static const int64_t flashChargeDuration = 0; 2163 ADD_OR_SIZE(ANDROID_FLASH_INFO_CHARGE_DURATION, &flashChargeDuration, 1); 2164 2165 // android.tonemap 2166 2167 static const int32_t tonemapCurvePoints = 128; 2168 ADD_OR_SIZE(ANDROID_TONEMAP_MAX_CURVE_POINTS, &tonemapCurvePoints, 1); 2169 2170 // android.scaler 2171 2172 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_FORMATS, 2173 kAvailableFormats, 2174 sizeof(kAvailableFormats)/sizeof(uint32_t)); 2175 2176 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_SIZES, 2177 kAvailableRawSizes, 2178 sizeof(kAvailableRawSizes)/sizeof(uint32_t)); 2179 2180 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS, 2181 kAvailableRawMinDurations, 2182 sizeof(kAvailableRawMinDurations)/sizeof(uint64_t)); 2183 2184 if (mFacingBack) { 2185 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, 2186 kAvailableProcessedSizesBack, 2187 sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t)); 2188 } else { 2189 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, 2190 kAvailableProcessedSizesFront, 2191 sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t)); 2192 } 2193 2194 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS, 2195 kAvailableProcessedMinDurations, 2196 sizeof(kAvailableProcessedMinDurations)/sizeof(uint64_t)); 2197 2198 if (mFacingBack) { 2199 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2200 kAvailableJpegSizesBack, 2201 sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t)); 2202 } else { 2203 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2204 kAvailableJpegSizesFront, 2205 sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t)); 2206 } 2207 2208 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS, 2209 kAvailableJpegMinDurations, 2210 sizeof(kAvailableJpegMinDurations)/sizeof(uint64_t)); 2211 2212 static const float maxZoom = 10; 2213 ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, 2214 &maxZoom, 1); 2215 2216 // android.jpeg 2217 2218 static const int32_t jpegThumbnailSizes[] = { 2219 0, 0, 2220 160, 120, 2221 320, 240 2222 }; 2223 ADD_OR_SIZE(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 2224 jpegThumbnailSizes, sizeof(jpegThumbnailSizes)/sizeof(int32_t)); 2225 2226 static const int32_t jpegMaxSize = JpegCompressor::kMaxJpegSize; 2227 ADD_OR_SIZE(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1); 2228 2229 // android.stats 2230 2231 static const uint8_t availableFaceDetectModes[] = { 2232 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF, 2233 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE, 2234 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL 2235 }; 2236 2237 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 2238 availableFaceDetectModes, 2239 sizeof(availableFaceDetectModes)); 2240 2241 static const int32_t maxFaceCount = 8; 2242 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 2243 &maxFaceCount, 1); 2244 2245 static const int32_t histogramSize = 64; 2246 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_HISTOGRAM_BUCKET_COUNT, 2247 &histogramSize, 1); 2248 2249 static const int32_t maxHistogramCount = 1000; 2250 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_HISTOGRAM_COUNT, 2251 &maxHistogramCount, 1); 2252 2253 static const int32_t sharpnessMapSize[2] = {64, 64}; 2254 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_SHARPNESS_MAP_SIZE, 2255 sharpnessMapSize, sizeof(sharpnessMapSize)/sizeof(int32_t)); 2256 2257 static const int32_t maxSharpnessMapValue = 1000; 2258 ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_SHARPNESS_MAP_VALUE, 2259 &maxSharpnessMapValue, 1); 2260 2261 // android.control 2262 2263 static const uint8_t availableSceneModes[] = { 2264 ANDROID_CONTROL_SCENE_MODE_DISABLED 2265 }; 2266 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 2267 availableSceneModes, sizeof(availableSceneModes)); 2268 2269 static const uint8_t availableEffects[] = { 2270 ANDROID_CONTROL_EFFECT_MODE_OFF 2271 }; 2272 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_EFFECTS, 2273 availableEffects, sizeof(availableEffects)); 2274 2275 static const int32_t max3aRegions[] = {/*AE*/ 0,/*AWB*/ 0,/*AF*/ 0}; 2276 ADD_OR_SIZE(ANDROID_CONTROL_MAX_REGIONS, 2277 max3aRegions, sizeof(max3aRegions)/sizeof(max3aRegions[0])); 2278 2279 static const uint8_t availableAeModes[] = { 2280 ANDROID_CONTROL_AE_MODE_OFF, 2281 ANDROID_CONTROL_AE_MODE_ON 2282 }; 2283 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_MODES, 2284 availableAeModes, sizeof(availableAeModes)); 2285 2286 static const camera_metadata_rational exposureCompensationStep = { 2287 1, 3 2288 }; 2289 ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_STEP, 2290 &exposureCompensationStep, 1); 2291 2292 int32_t exposureCompensationRange[] = {-9, 9}; 2293 ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2294 exposureCompensationRange, 2295 sizeof(exposureCompensationRange)/sizeof(int32_t)); 2296 2297 static const int32_t availableTargetFpsRanges[] = { 2298 5, 30, 15, 30 2299 }; 2300 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2301 availableTargetFpsRanges, 2302 sizeof(availableTargetFpsRanges)/sizeof(int32_t)); 2303 2304 static const uint8_t availableAntibandingModes[] = { 2305 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF, 2306 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO 2307 }; 2308 ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 2309 availableAntibandingModes, sizeof(availableAntibandingModes)); 2310 2311 static const uint8_t availableAwbModes[] = { 2312 ANDROID_CONTROL_AWB_MODE_OFF, 2313 ANDROID_CONTROL_AWB_MODE_AUTO, 2314 ANDROID_CONTROL_AWB_MODE_INCANDESCENT, 2315 ANDROID_CONTROL_AWB_MODE_FLUORESCENT, 2316 ANDROID_CONTROL_AWB_MODE_DAYLIGHT, 2317 ANDROID_CONTROL_AWB_MODE_SHADE 2318 }; 2319 ADD_OR_SIZE(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 2320 availableAwbModes, sizeof(availableAwbModes)); 2321 2322 static const uint8_t availableAfModesBack[] = { 2323 ANDROID_CONTROL_AF_MODE_OFF, 2324 ANDROID_CONTROL_AF_MODE_AUTO, 2325 ANDROID_CONTROL_AF_MODE_MACRO, 2326 ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO, 2327 ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE 2328 }; 2329 2330 static const uint8_t availableAfModesFront[] = { 2331 ANDROID_CONTROL_AF_MODE_OFF 2332 }; 2333 2334 if (mFacingBack) { 2335 ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES, 2336 availableAfModesBack, sizeof(availableAfModesBack)); 2337 } else { 2338 ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES, 2339 availableAfModesFront, sizeof(availableAfModesFront)); 2340 } 2341 2342 static const uint8_t availableVstabModes[] = { 2343 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF 2344 }; 2345 ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 2346 availableVstabModes, sizeof(availableVstabModes)); 2347 2348 #undef ADD_OR_SIZE 2349 /** Allocate metadata if sizing */ 2350 if (sizeRequest) { 2351 ALOGV("Allocating %zu entries, %zu extra bytes for " 2352 "static camera info", 2353 entryCount, dataCount); 2354 *info = allocate_camera_metadata(entryCount, dataCount); 2355 if (*info == NULL) { 2356 ALOGE("Unable to allocate camera static info" 2357 "(%zu entries, %zu bytes extra data)", 2358 entryCount, dataCount); 2359 return NO_MEMORY; 2360 } 2361 } 2362 return OK; 2363 } 2364 2365 status_t EmulatedFakeCamera2::constructDefaultRequest( 2366 int request_template, 2367 camera_metadata_t **request, 2368 bool sizeRequest) const { 2369 2370 size_t entryCount = 0; 2371 size_t dataCount = 0; 2372 status_t ret; 2373 2374 #define ADD_OR_SIZE( tag, data, count ) \ 2375 if ( ( ret = addOrSize(*request, sizeRequest, &entryCount, &dataCount, \ 2376 tag, data, count) ) != OK ) return ret 2377 2378 /** android.request */ 2379 2380 static const uint8_t requestType = ANDROID_REQUEST_TYPE_CAPTURE; 2381 ADD_OR_SIZE(ANDROID_REQUEST_TYPE, &requestType, 1); 2382 2383 static const uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 2384 ADD_OR_SIZE(ANDROID_REQUEST_METADATA_MODE, &metadataMode, 1); 2385 2386 static const int32_t id = 0; 2387 ADD_OR_SIZE(ANDROID_REQUEST_ID, &id, 1); 2388 2389 static const int32_t frameCount = 0; 2390 ADD_OR_SIZE(ANDROID_REQUEST_FRAME_COUNT, &frameCount, 1); 2391 2392 // OUTPUT_STREAMS set by user 2393 entryCount += 1; 2394 dataCount += 5; // TODO: Should be maximum stream number 2395 2396 /** android.lens */ 2397 2398 static const float focusDistance = 0; 2399 ADD_OR_SIZE(ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1); 2400 2401 static const float aperture = 2.8f; 2402 ADD_OR_SIZE(ANDROID_LENS_APERTURE, &aperture, 1); 2403 2404 static const float focalLength = 5.0f; 2405 ADD_OR_SIZE(ANDROID_LENS_FOCAL_LENGTH, &focalLength, 1); 2406 2407 static const float filterDensity = 0; 2408 ADD_OR_SIZE(ANDROID_LENS_FILTER_DENSITY, &filterDensity, 1); 2409 2410 static const uint8_t opticalStabilizationMode = 2411 ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; 2412 ADD_OR_SIZE(ANDROID_LENS_OPTICAL_STABILIZATION_MODE, 2413 &opticalStabilizationMode, 1); 2414 2415 // FOCUS_RANGE set only in frame 2416 2417 /** android.sensor */ 2418 2419 static const int64_t exposureTime = 10 * MSEC; 2420 ADD_OR_SIZE(ANDROID_SENSOR_EXPOSURE_TIME, &exposureTime, 1); 2421 2422 static const int64_t frameDuration = 33333333L; // 1/30 s 2423 ADD_OR_SIZE(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1); 2424 2425 static const int32_t sensitivity = 100; 2426 ADD_OR_SIZE(ANDROID_SENSOR_SENSITIVITY, &sensitivity, 1); 2427 2428 // TIMESTAMP set only in frame 2429 2430 /** android.flash */ 2431 2432 static const uint8_t flashMode = ANDROID_FLASH_MODE_OFF; 2433 ADD_OR_SIZE(ANDROID_FLASH_MODE, &flashMode, 1); 2434 2435 static const uint8_t flashPower = 10; 2436 ADD_OR_SIZE(ANDROID_FLASH_FIRING_POWER, &flashPower, 1); 2437 2438 static const int64_t firingTime = 0; 2439 ADD_OR_SIZE(ANDROID_FLASH_FIRING_TIME, &firingTime, 1); 2440 2441 /** Processing block modes */ 2442 uint8_t hotPixelMode = 0; 2443 uint8_t demosaicMode = 0; 2444 uint8_t noiseMode = 0; 2445 uint8_t shadingMode = 0; 2446 uint8_t colorMode = 0; 2447 uint8_t tonemapMode = 0; 2448 uint8_t edgeMode = 0; 2449 switch (request_template) { 2450 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2451 // fall-through 2452 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2453 // fall-through 2454 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2455 hotPixelMode = ANDROID_HOT_PIXEL_MODE_HIGH_QUALITY; 2456 demosaicMode = ANDROID_DEMOSAIC_MODE_HIGH_QUALITY; 2457 noiseMode = ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY; 2458 shadingMode = ANDROID_SHADING_MODE_HIGH_QUALITY; 2459 colorMode = ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY; 2460 tonemapMode = ANDROID_TONEMAP_MODE_HIGH_QUALITY; 2461 edgeMode = ANDROID_EDGE_MODE_HIGH_QUALITY; 2462 break; 2463 case CAMERA2_TEMPLATE_PREVIEW: 2464 // fall-through 2465 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2466 // fall-through 2467 default: 2468 hotPixelMode = ANDROID_HOT_PIXEL_MODE_FAST; 2469 demosaicMode = ANDROID_DEMOSAIC_MODE_FAST; 2470 noiseMode = ANDROID_NOISE_REDUCTION_MODE_FAST; 2471 shadingMode = ANDROID_SHADING_MODE_FAST; 2472 colorMode = ANDROID_COLOR_CORRECTION_MODE_FAST; 2473 tonemapMode = ANDROID_TONEMAP_MODE_FAST; 2474 edgeMode = ANDROID_EDGE_MODE_FAST; 2475 break; 2476 } 2477 ADD_OR_SIZE(ANDROID_HOT_PIXEL_MODE, &hotPixelMode, 1); 2478 ADD_OR_SIZE(ANDROID_DEMOSAIC_MODE, &demosaicMode, 1); 2479 ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_MODE, &noiseMode, 1); 2480 ADD_OR_SIZE(ANDROID_SHADING_MODE, &shadingMode, 1); 2481 ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_MODE, &colorMode, 1); 2482 ADD_OR_SIZE(ANDROID_TONEMAP_MODE, &tonemapMode, 1); 2483 ADD_OR_SIZE(ANDROID_EDGE_MODE, &edgeMode, 1); 2484 2485 /** android.noise */ 2486 static const uint8_t noiseStrength = 5; 2487 ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_STRENGTH, &noiseStrength, 1); 2488 2489 /** android.color */ 2490 static const float colorTransform[9] = { 2491 1.0f, 0.f, 0.f, 2492 0.f, 1.f, 0.f, 2493 0.f, 0.f, 1.f 2494 }; 2495 ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_TRANSFORM, colorTransform, 9); 2496 2497 /** android.tonemap */ 2498 static const float tonemapCurve[4] = { 2499 0.f, 0.f, 2500 1.f, 1.f 2501 }; 2502 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_RED, tonemapCurve, 4); 2503 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_GREEN, tonemapCurve, 4); 2504 ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_BLUE, tonemapCurve, 4); 2505 2506 /** android.edge */ 2507 static const uint8_t edgeStrength = 5; 2508 ADD_OR_SIZE(ANDROID_EDGE_STRENGTH, &edgeStrength, 1); 2509 2510 /** android.scaler */ 2511 static const int32_t cropRegion[3] = { 2512 0, 0, static_cast<int32_t>(mSensorWidth) 2513 }; 2514 ADD_OR_SIZE(ANDROID_SCALER_CROP_REGION, cropRegion, 3); 2515 2516 /** android.jpeg */ 2517 static const int32_t jpegQuality = 80; 2518 ADD_OR_SIZE(ANDROID_JPEG_QUALITY, &jpegQuality, 1); 2519 2520 static const int32_t thumbnailSize[2] = { 2521 640, 480 2522 }; 2523 ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_SIZE, thumbnailSize, 2); 2524 2525 static const int32_t thumbnailQuality = 80; 2526 ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_QUALITY, &thumbnailQuality, 1); 2527 2528 static const double gpsCoordinates[2] = { 2529 0, 0 2530 }; 2531 ADD_OR_SIZE(ANDROID_JPEG_GPS_COORDINATES, gpsCoordinates, 2); 2532 2533 static const uint8_t gpsProcessingMethod[32] = "None"; 2534 ADD_OR_SIZE(ANDROID_JPEG_GPS_PROCESSING_METHOD, gpsProcessingMethod, 32); 2535 2536 static const int64_t gpsTimestamp = 0; 2537 ADD_OR_SIZE(ANDROID_JPEG_GPS_TIMESTAMP, &gpsTimestamp, 1); 2538 2539 static const int32_t jpegOrientation = 0; 2540 ADD_OR_SIZE(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1); 2541 2542 /** android.stats */ 2543 2544 static const uint8_t faceDetectMode = 2545 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 2546 ADD_OR_SIZE(ANDROID_STATISTICS_FACE_DETECT_MODE, &faceDetectMode, 1); 2547 2548 static const uint8_t histogramMode = ANDROID_STATISTICS_HISTOGRAM_MODE_OFF; 2549 ADD_OR_SIZE(ANDROID_STATISTICS_HISTOGRAM_MODE, &histogramMode, 1); 2550 2551 static const uint8_t sharpnessMapMode = 2552 ANDROID_STATISTICS_SHARPNESS_MAP_MODE_OFF; 2553 ADD_OR_SIZE(ANDROID_STATISTICS_SHARPNESS_MAP_MODE, &sharpnessMapMode, 1); 2554 2555 // faceRectangles, faceScores, faceLandmarks, faceIds, histogram, 2556 // sharpnessMap only in frames 2557 2558 /** android.control */ 2559 2560 uint8_t controlIntent = 0; 2561 switch (request_template) { 2562 case CAMERA2_TEMPLATE_PREVIEW: 2563 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW; 2564 break; 2565 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2566 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE; 2567 break; 2568 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2569 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD; 2570 break; 2571 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2572 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT; 2573 break; 2574 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2575 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG; 2576 break; 2577 default: 2578 controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_CUSTOM; 2579 break; 2580 } 2581 ADD_OR_SIZE(ANDROID_CONTROL_CAPTURE_INTENT, &controlIntent, 1); 2582 2583 static const uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO; 2584 ADD_OR_SIZE(ANDROID_CONTROL_MODE, &controlMode, 1); 2585 2586 static const uint8_t effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 2587 ADD_OR_SIZE(ANDROID_CONTROL_EFFECT_MODE, &effectMode, 1); 2588 2589 static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY; 2590 ADD_OR_SIZE(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1); 2591 2592 static const uint8_t aeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; 2593 ADD_OR_SIZE(ANDROID_CONTROL_AE_MODE, &aeMode, 1); 2594 2595 static const uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF; 2596 ADD_OR_SIZE(ANDROID_CONTROL_AE_LOCK, &aeLock, 1); 2597 2598 static const int32_t controlRegions[5] = { 2599 0, 0, 2600 static_cast<int32_t>(mSensorWidth), 2601 static_cast<int32_t>(mSensorHeight), 2602 1000 2603 }; 2604 ADD_OR_SIZE(ANDROID_CONTROL_AE_REGIONS, controlRegions, 5); 2605 2606 static const int32_t aeExpCompensation = 0; 2607 ADD_OR_SIZE(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1); 2608 2609 static const int32_t aeTargetFpsRange[2] = { 2610 10, 30 2611 }; 2612 ADD_OR_SIZE(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, aeTargetFpsRange, 2); 2613 2614 static const uint8_t aeAntibandingMode = 2615 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 2616 ADD_OR_SIZE(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &aeAntibandingMode, 1); 2617 2618 static const uint8_t awbMode = 2619 ANDROID_CONTROL_AWB_MODE_AUTO; 2620 ADD_OR_SIZE(ANDROID_CONTROL_AWB_MODE, &awbMode, 1); 2621 2622 static const uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF; 2623 ADD_OR_SIZE(ANDROID_CONTROL_AWB_LOCK, &awbLock, 1); 2624 2625 ADD_OR_SIZE(ANDROID_CONTROL_AWB_REGIONS, controlRegions, 5); 2626 2627 uint8_t afMode = 0; 2628 switch (request_template) { 2629 case CAMERA2_TEMPLATE_PREVIEW: 2630 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2631 break; 2632 case CAMERA2_TEMPLATE_STILL_CAPTURE: 2633 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2634 break; 2635 case CAMERA2_TEMPLATE_VIDEO_RECORD: 2636 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO; 2637 break; 2638 case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT: 2639 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO; 2640 break; 2641 case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG: 2642 afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE; 2643 break; 2644 default: 2645 afMode = ANDROID_CONTROL_AF_MODE_AUTO; 2646 break; 2647 } 2648 ADD_OR_SIZE(ANDROID_CONTROL_AF_MODE, &afMode, 1); 2649 2650 ADD_OR_SIZE(ANDROID_CONTROL_AF_REGIONS, controlRegions, 5); 2651 2652 static const uint8_t vstabMode = 2653 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 2654 ADD_OR_SIZE(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &vstabMode, 1); 2655 2656 // aeState, awbState, afState only in frame 2657 2658 /** Allocate metadata if sizing */ 2659 if (sizeRequest) { 2660 ALOGV("Allocating %zu entries, %zu extra bytes for " 2661 "request template type %d", 2662 entryCount, dataCount, request_template); 2663 *request = allocate_camera_metadata(entryCount, dataCount); 2664 if (*request == NULL) { 2665 ALOGE("Unable to allocate new request template type %d " 2666 "(%zu entries, %zu bytes extra data)", request_template, 2667 entryCount, dataCount); 2668 return NO_MEMORY; 2669 } 2670 } 2671 return OK; 2672 #undef ADD_OR_SIZE 2673 } 2674 2675 status_t EmulatedFakeCamera2::addOrSize(camera_metadata_t *request, 2676 bool sizeRequest, 2677 size_t *entryCount, 2678 size_t *dataCount, 2679 uint32_t tag, 2680 const void *entryData, 2681 size_t entryDataCount) { 2682 status_t res; 2683 if (!sizeRequest) { 2684 return add_camera_metadata_entry(request, tag, entryData, 2685 entryDataCount); 2686 } else { 2687 int type = get_camera_metadata_tag_type(tag); 2688 if (type < 0 ) return BAD_VALUE; 2689 (*entryCount)++; 2690 (*dataCount) += calculate_camera_metadata_entry_data_size(type, 2691 entryDataCount); 2692 return OK; 2693 } 2694 } 2695 2696 bool EmulatedFakeCamera2::isStreamInUse(uint32_t id) { 2697 // Assumes mMutex is locked; otherwise new requests could enter 2698 // configureThread while readoutThread is being checked 2699 2700 // Order of isStreamInUse calls matters 2701 if (mConfigureThread->isStreamInUse(id) || 2702 mReadoutThread->isStreamInUse(id) || 2703 mJpegCompressor->isStreamInUse(id) ) { 2704 ALOGE("%s: Stream %d is in use in active requests!", 2705 __FUNCTION__, id); 2706 return true; 2707 } 2708 return false; 2709 } 2710 2711 bool EmulatedFakeCamera2::isReprocessStreamInUse(uint32_t id) { 2712 // TODO: implement 2713 return false; 2714 } 2715 2716 const Stream& EmulatedFakeCamera2::getStreamInfo(uint32_t streamId) { 2717 Mutex::Autolock lock(mMutex); 2718 2719 return mStreams.valueFor(streamId); 2720 } 2721 2722 const ReprocessStream& EmulatedFakeCamera2::getReprocessStreamInfo(uint32_t streamId) { 2723 Mutex::Autolock lock(mMutex); 2724 2725 return mReprocessStreams.valueFor(streamId); 2726 } 2727 2728 }; /* namespace android */ 2729
