1 /* 2 * Copyright (C) Texas Instruments - http://www.ti.com/ 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 19 #define LOG_TAG "CameraHAL" 20 21 #include "BaseCameraAdapter.h" 22 23 namespace android { 24 25 /*--------------------Camera Adapter Class STARTS here-----------------------------*/ 26 27 BaseCameraAdapter::BaseCameraAdapter() 28 { 29 mReleaseImageBuffersCallback = NULL; 30 mEndImageCaptureCallback = NULL; 31 mErrorNotifier = NULL; 32 mEndCaptureData = NULL; 33 mReleaseData = NULL; 34 mRecording = false; 35 36 mPreviewBuffers = NULL; 37 mPreviewBufferCount = 0; 38 mPreviewBuffersLength = 0; 39 40 mVideoBuffers = NULL; 41 mVideoBuffersCount = 0; 42 mVideoBuffersLength = 0; 43 44 mCaptureBuffers = NULL; 45 mCaptureBuffersCount = 0; 46 mCaptureBuffersLength = 0; 47 48 mPreviewDataBuffers = NULL; 49 mPreviewDataBuffersCount = 0; 50 mPreviewDataBuffersLength = 0; 51 52 mAdapterState = INTIALIZED_STATE; 53 54 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 55 mStartFocus.tv_sec = 0; 56 mStartFocus.tv_usec = 0; 57 mStartCapture.tv_sec = 0; 58 mStartCapture.tv_usec = 0; 59 #endif 60 61 } 62 63 BaseCameraAdapter::~BaseCameraAdapter() 64 { 65 LOG_FUNCTION_NAME; 66 67 Mutex::Autolock lock(mSubscriberLock); 68 69 mFrameSubscribers.clear(); 70 mImageSubscribers.clear(); 71 mRawSubscribers.clear(); 72 mVideoSubscribers.clear(); 73 mFocusSubscribers.clear(); 74 mShutterSubscribers.clear(); 75 mZoomSubscribers.clear(); 76 mFaceSubscribers.clear(); 77 78 LOG_FUNCTION_NAME_EXIT; 79 } 80 81 status_t BaseCameraAdapter::registerImageReleaseCallback(release_image_buffers_callback callback, void *user_data) 82 { 83 status_t ret = NO_ERROR; 84 85 LOG_FUNCTION_NAME; 86 87 mReleaseImageBuffersCallback = callback; 88 mReleaseData = user_data; 89 90 LOG_FUNCTION_NAME_EXIT; 91 92 return ret; 93 } 94 95 status_t BaseCameraAdapter::registerEndCaptureCallback(end_image_capture_callback callback, void *user_data) 96 { 97 status_t ret = NO_ERROR; 98 99 LOG_FUNCTION_NAME; 100 101 mEndImageCaptureCallback= callback; 102 mEndCaptureData = user_data; 103 104 LOG_FUNCTION_NAME_EXIT; 105 106 return ret; 107 } 108 109 status_t BaseCameraAdapter::setErrorHandler(ErrorNotifier *errorNotifier) 110 { 111 status_t ret = NO_ERROR; 112 113 LOG_FUNCTION_NAME; 114 115 if ( NULL == errorNotifier ) 116 { 117 CAMHAL_LOGEA("Invalid Error Notifier reference"); 118 ret = -EINVAL; 119 } 120 121 if ( NO_ERROR == ret ) 122 { 123 mErrorNotifier = errorNotifier; 124 } 125 126 LOG_FUNCTION_NAME_EXIT; 127 128 return ret; 129 } 130 131 void BaseCameraAdapter::enableMsgType(int32_t msgs, frame_callback callback, event_callback eventCb, void* cookie) 132 { 133 Mutex::Autolock lock(mSubscriberLock); 134 135 LOG_FUNCTION_NAME; 136 137 if ( CameraFrame::PREVIEW_FRAME_SYNC == msgs ) 138 { 139 mFrameSubscribers.add((int) cookie, callback); 140 } 141 else if ( CameraFrame::FRAME_DATA_SYNC == msgs ) 142 { 143 mFrameDataSubscribers.add((int) cookie, callback); 144 } 145 else if ( CameraFrame::IMAGE_FRAME == msgs) 146 { 147 mImageSubscribers.add((int) cookie, callback); 148 } 149 else if ( CameraFrame::RAW_FRAME == msgs) 150 { 151 mRawSubscribers.add((int) cookie, callback); 152 } 153 else if ( CameraFrame::VIDEO_FRAME_SYNC == msgs) 154 { 155 mVideoSubscribers.add((int) cookie, callback); 156 } 157 else if ( CameraHalEvent::ALL_EVENTS == msgs) 158 { 159 mFocusSubscribers.add((int) cookie, eventCb); 160 mShutterSubscribers.add((int) cookie, eventCb); 161 mZoomSubscribers.add((int) cookie, eventCb); 162 mFaceSubscribers.add((int) cookie, eventCb); 163 } 164 else 165 { 166 CAMHAL_LOGEA("Message type subscription no supported yet!"); 167 } 168 169 LOG_FUNCTION_NAME_EXIT; 170 } 171 172 void BaseCameraAdapter::disableMsgType(int32_t msgs, void* cookie) 173 { 174 Mutex::Autolock lock(mSubscriberLock); 175 176 LOG_FUNCTION_NAME; 177 178 if ( CameraFrame::PREVIEW_FRAME_SYNC == msgs ) 179 { 180 mFrameSubscribers.removeItem((int) cookie); 181 } 182 else if ( CameraFrame::FRAME_DATA_SYNC == msgs ) 183 { 184 mFrameDataSubscribers.removeItem((int) cookie); 185 } 186 else if ( CameraFrame::IMAGE_FRAME == msgs) 187 { 188 mImageSubscribers.removeItem((int) cookie); 189 } 190 else if ( CameraFrame::RAW_FRAME == msgs) 191 { 192 mRawSubscribers.removeItem((int) cookie); 193 } 194 else if ( CameraFrame::VIDEO_FRAME_SYNC == msgs) 195 { 196 mVideoSubscribers.removeItem((int) cookie); 197 } 198 else if ( CameraFrame::ALL_FRAMES == msgs ) 199 { 200 mFrameSubscribers.removeItem((int) cookie); 201 mFrameDataSubscribers.removeItem((int) cookie); 202 mImageSubscribers.removeItem((int) cookie); 203 mRawSubscribers.removeItem((int) cookie); 204 mVideoSubscribers.removeItem((int) cookie); 205 } 206 else if ( CameraHalEvent::ALL_EVENTS == msgs) 207 { 208 //Subscribe only for focus 209 //TODO: Process case by case 210 mFocusSubscribers.removeItem((int) cookie); 211 mShutterSubscribers.removeItem((int) cookie); 212 mZoomSubscribers.removeItem((int) cookie); 213 mFaceSubscribers.removeItem((int) cookie); 214 } 215 else 216 { 217 CAMHAL_LOGEB("Message type 0x%x subscription no supported yet!", msgs); 218 } 219 220 LOG_FUNCTION_NAME_EXIT; 221 } 222 223 void BaseCameraAdapter::addFramePointers(void *frameBuf, void *buf) 224 { 225 unsigned int *pBuf = (unsigned int *)buf; 226 Mutex::Autolock lock(mSubscriberLock); 227 228 if ((frameBuf != NULL) && ( pBuf != NULL) ) 229 { 230 CameraFrame *frame = new CameraFrame; 231 frame->mBuffer = frameBuf; 232 frame->mYuv[0] = pBuf[0]; 233 frame->mYuv[1] = pBuf[1]; 234 mFrameQueue.add(frameBuf, frame); 235 236 CAMHAL_LOGVB("Adding Frame=0x%x Y=0x%x UV=0x%x", frame->mBuffer, frame->mYuv[0], frame->mYuv[1]); 237 } 238 } 239 240 void BaseCameraAdapter::removeFramePointers() 241 { 242 Mutex::Autolock lock(mSubscriberLock); 243 244 int size = mFrameQueue.size(); 245 CAMHAL_LOGVB("Removing %d Frames = ", size); 246 for (int i = 0; i < size; i++) 247 { 248 CameraFrame *frame = (CameraFrame *)mFrameQueue.valueAt(i); 249 CAMHAL_LOGVB("Free Frame=0x%x Y=0x%x UV=0x%x", frame->mBuffer, frame->mYuv[0], frame->mYuv[1]); 250 delete frame; 251 } 252 mFrameQueue.clear(); 253 } 254 255 void BaseCameraAdapter::returnFrame(void* frameBuf, CameraFrame::FrameType frameType) 256 { 257 status_t res = NO_ERROR; 258 size_t subscriberCount = 0; 259 int refCount = -1; 260 261 if ( NULL == frameBuf ) 262 { 263 CAMHAL_LOGEA("Invalid frameBuf"); 264 return; 265 } 266 267 if ( NO_ERROR == res) 268 { 269 Mutex::Autolock lock(mReturnFrameLock); 270 271 refCount = getFrameRefCount(frameBuf, frameType); 272 273 if(frameType == CameraFrame::PREVIEW_FRAME_SYNC) 274 { 275 mFramesWithDisplay--; 276 } 277 else if(frameType == CameraFrame::VIDEO_FRAME_SYNC) 278 { 279 mFramesWithEncoder--; 280 } 281 282 if ( 0 < refCount ) 283 { 284 285 refCount--; 286 setFrameRefCount(frameBuf, frameType, refCount); 287 288 289 if ( mRecording && (CameraFrame::VIDEO_FRAME_SYNC == frameType) ) { 290 refCount += getFrameRefCount(frameBuf, CameraFrame::PREVIEW_FRAME_SYNC); 291 } else if ( mRecording && (CameraFrame::PREVIEW_FRAME_SYNC == frameType) ) { 292 refCount += getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); 293 } else if ( mRecording && (CameraFrame::SNAPSHOT_FRAME == frameType) ) { 294 refCount += getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); 295 } 296 297 298 } 299 else 300 { 301 CAMHAL_LOGDA("Frame returned when ref count is already zero!!"); 302 return; 303 } 304 } 305 306 CAMHAL_LOGVB("REFCOUNT 0x%x %d", frameBuf, refCount); 307 308 if ( NO_ERROR == res ) 309 { 310 //check if someone is holding this buffer 311 if ( 0 == refCount ) 312 { 313 #ifdef DEBUG_LOG 314 if(mBuffersWithDucati.indexOfKey((int)frameBuf)>=0) 315 { 316 ALOGE("Buffer already with Ducati!! 0x%x", frameBuf); 317 for(int i=0;i<mBuffersWithDucati.size();i++) ALOGE("0x%x", mBuffersWithDucati.keyAt(i)); 318 } 319 mBuffersWithDucati.add((int)frameBuf,1); 320 #endif 321 res = fillThisBuffer(frameBuf, frameType); 322 } 323 } 324 325 } 326 327 status_t BaseCameraAdapter::sendCommand(CameraCommands operation, int value1, int value2, int value3) 328 { 329 status_t ret = NO_ERROR; 330 struct timeval *refTimestamp; 331 BuffersDescriptor *desc = NULL; 332 CameraFrame *frame = NULL; 333 334 LOG_FUNCTION_NAME; 335 336 switch ( operation ) { 337 case CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW: 338 CAMHAL_LOGDA("Use buffers for preview"); 339 desc = ( BuffersDescriptor * ) value1; 340 341 if ( NULL == desc ) 342 { 343 CAMHAL_LOGEA("Invalid preview buffers!"); 344 return -EINVAL; 345 } 346 347 if ( ret == NO_ERROR ) 348 { 349 ret = setState(operation); 350 } 351 352 if ( ret == NO_ERROR ) 353 { 354 Mutex::Autolock lock(mPreviewBufferLock); 355 mPreviewBuffers = (int *) desc->mBuffers; 356 mPreviewBuffersLength = desc->mLength; 357 mPreviewBuffersAvailable.clear(); 358 for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) 359 { 360 mPreviewBuffersAvailable.add(mPreviewBuffers[i], 0); 361 } 362 // initial ref count for undeqeueued buffers is 1 since buffer provider 363 // is still holding on to it 364 for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) 365 { 366 mPreviewBuffersAvailable.add(mPreviewBuffers[i], 1); 367 } 368 } 369 370 if ( NULL != desc ) 371 { 372 ret = useBuffers(CameraAdapter::CAMERA_PREVIEW, 373 desc->mBuffers, 374 desc->mCount, 375 desc->mLength, 376 desc->mMaxQueueable); 377 } 378 379 if ( ret == NO_ERROR ) 380 { 381 ret = commitState(); 382 } 383 else 384 { 385 ret |= rollbackState(); 386 } 387 388 break; 389 390 case CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW_DATA: 391 CAMHAL_LOGDA("Use buffers for preview data"); 392 desc = ( BuffersDescriptor * ) value1; 393 394 if ( NULL == desc ) 395 { 396 CAMHAL_LOGEA("Invalid preview data buffers!"); 397 return -EINVAL; 398 } 399 400 if ( ret == NO_ERROR ) 401 { 402 ret = setState(operation); 403 } 404 405 if ( ret == NO_ERROR ) 406 { 407 Mutex::Autolock lock(mPreviewDataBufferLock); 408 mPreviewDataBuffers = (int *) desc->mBuffers; 409 mPreviewDataBuffersLength = desc->mLength; 410 mPreviewDataBuffersAvailable.clear(); 411 for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) 412 { 413 mPreviewDataBuffersAvailable.add(mPreviewDataBuffers[i], 0); 414 } 415 // initial ref count for undeqeueued buffers is 1 since buffer provider 416 // is still holding on to it 417 for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) 418 { 419 mPreviewDataBuffersAvailable.add(mPreviewDataBuffers[i], 1); 420 } 421 } 422 423 if ( NULL != desc ) 424 { 425 ret = useBuffers(CameraAdapter::CAMERA_MEASUREMENT, 426 desc->mBuffers, 427 desc->mCount, 428 desc->mLength, 429 desc->mMaxQueueable); 430 } 431 432 if ( ret == NO_ERROR ) 433 { 434 ret = commitState(); 435 } 436 else 437 { 438 ret |= rollbackState(); 439 } 440 441 break; 442 443 case CameraAdapter::CAMERA_USE_BUFFERS_IMAGE_CAPTURE: 444 CAMHAL_LOGDA("Use buffers for image capture"); 445 desc = ( BuffersDescriptor * ) value1; 446 447 if ( NULL == desc ) 448 { 449 CAMHAL_LOGEA("Invalid capture buffers!"); 450 return -EINVAL; 451 } 452 453 if ( ret == NO_ERROR ) 454 { 455 ret = setState(operation); 456 } 457 458 if ( ret == NO_ERROR ) 459 { 460 Mutex::Autolock lock(mCaptureBufferLock); 461 mCaptureBuffers = (int *) desc->mBuffers; 462 mCaptureBuffersLength = desc->mLength; 463 mCaptureBuffersAvailable.clear(); 464 for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) 465 { 466 mCaptureBuffersAvailable.add(mCaptureBuffers[i], 0); 467 } 468 // initial ref count for undeqeueued buffers is 1 since buffer provider 469 // is still holding on to it 470 for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) 471 { 472 mCaptureBuffersAvailable.add(mCaptureBuffers[i], 1); 473 } 474 } 475 476 if ( NULL != desc ) 477 { 478 ret = useBuffers(CameraAdapter::CAMERA_IMAGE_CAPTURE, 479 desc->mBuffers, 480 desc->mCount, 481 desc->mLength, 482 desc->mMaxQueueable); 483 } 484 485 if ( ret == NO_ERROR ) 486 { 487 ret = commitState(); 488 } 489 else 490 { 491 ret |= rollbackState(); 492 } 493 494 break; 495 496 case CameraAdapter::CAMERA_START_SMOOTH_ZOOM: 497 { 498 499 if ( ret == NO_ERROR ) 500 { 501 ret = setState(operation); 502 } 503 504 if ( ret == NO_ERROR ) 505 { 506 ret = startSmoothZoom(value1); 507 } 508 509 if ( ret == NO_ERROR ) 510 { 511 ret = commitState(); 512 } 513 else 514 { 515 ret |= rollbackState(); 516 } 517 518 break; 519 520 } 521 522 case CameraAdapter::CAMERA_STOP_SMOOTH_ZOOM: 523 { 524 525 if ( ret == NO_ERROR ) 526 { 527 ret = setState(operation); 528 } 529 530 if ( ret == NO_ERROR ) 531 { 532 ret = stopSmoothZoom(); 533 } 534 535 if ( ret == NO_ERROR ) 536 { 537 ret = commitState(); 538 } 539 else 540 { 541 ret |= rollbackState(); 542 } 543 544 break; 545 546 } 547 548 case CameraAdapter::CAMERA_START_PREVIEW: 549 { 550 551 CAMHAL_LOGDA("Start Preview"); 552 553 if ( ret == NO_ERROR ) 554 { 555 ret = setState(operation); 556 } 557 558 if ( ret == NO_ERROR ) 559 { 560 ret = startPreview(); 561 } 562 563 if ( ret == NO_ERROR ) 564 { 565 ret = commitState(); 566 } 567 else 568 { 569 ret |= rollbackState(); 570 } 571 572 break; 573 574 } 575 576 case CameraAdapter::CAMERA_STOP_PREVIEW: 577 { 578 579 CAMHAL_LOGDA("Stop Preview"); 580 581 if ( ret == NO_ERROR ) 582 { 583 ret = setState(operation); 584 } 585 586 if ( ret == NO_ERROR ) 587 { 588 ret = stopPreview(); 589 } 590 591 if ( ret == NO_ERROR ) 592 { 593 ret = commitState(); 594 } 595 else 596 { 597 ret |= rollbackState(); 598 } 599 600 break; 601 602 } 603 604 case CameraAdapter::CAMERA_START_VIDEO: 605 { 606 607 CAMHAL_LOGDA("Start video recording"); 608 609 if ( ret == NO_ERROR ) 610 { 611 ret = setState(operation); 612 } 613 614 if ( ret == NO_ERROR ) 615 { 616 ret = startVideoCapture(); 617 } 618 619 if ( ret == NO_ERROR ) 620 { 621 ret = commitState(); 622 } 623 else 624 { 625 ret |= rollbackState(); 626 } 627 628 break; 629 630 } 631 632 case CameraAdapter::CAMERA_STOP_VIDEO: 633 { 634 635 CAMHAL_LOGDA("Stop video recording"); 636 637 if ( ret == NO_ERROR ) 638 { 639 ret = setState(operation); 640 } 641 642 if ( ret == NO_ERROR ) 643 { 644 ret = stopVideoCapture(); 645 } 646 647 if ( ret == NO_ERROR ) 648 { 649 ret = commitState(); 650 } 651 else 652 { 653 ret |= rollbackState(); 654 } 655 656 break; 657 658 } 659 660 case CameraAdapter::CAMERA_PREVIEW_FLUSH_BUFFERS: 661 { 662 663 if ( ret == NO_ERROR ) 664 { 665 ret = setState(operation); 666 } 667 668 if ( ret == NO_ERROR ) 669 { 670 ret = flushBuffers(); 671 } 672 673 if ( ret == NO_ERROR ) 674 { 675 ret = commitState(); 676 } 677 else 678 { 679 ret |= rollbackState(); 680 } 681 682 break; 683 684 } 685 686 case CameraAdapter::CAMERA_START_IMAGE_CAPTURE: 687 { 688 689 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 690 691 refTimestamp = ( struct timeval * ) value1; 692 if ( NULL != refTimestamp ) 693 { 694 memcpy( &mStartCapture, refTimestamp, sizeof( struct timeval )); 695 } 696 697 #endif 698 699 if ( ret == NO_ERROR ) 700 { 701 ret = setState(operation); 702 } 703 704 if ( ret == NO_ERROR ) 705 { 706 ret = takePicture(); 707 } 708 709 if ( ret == NO_ERROR ) 710 { 711 ret = commitState(); 712 } 713 else 714 { 715 ret |= rollbackState(); 716 } 717 718 break; 719 720 } 721 722 case CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE: 723 { 724 725 if ( ret == NO_ERROR ) 726 { 727 ret = setState(operation); 728 } 729 730 if ( ret == NO_ERROR ) 731 { 732 ret = stopImageCapture(); 733 } 734 735 if ( ret == NO_ERROR ) 736 { 737 ret = commitState(); 738 } 739 else 740 { 741 ret |= rollbackState(); 742 } 743 744 break; 745 746 } 747 748 case CameraAdapter::CAMERA_START_BRACKET_CAPTURE: 749 { 750 751 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 752 753 refTimestamp = ( struct timeval * ) value2; 754 if ( NULL != refTimestamp ) 755 { 756 memcpy( &mStartCapture, refTimestamp, sizeof( struct timeval )); 757 } 758 759 #endif 760 761 if ( ret == NO_ERROR ) 762 { 763 ret = setState(operation); 764 } 765 766 if ( ret == NO_ERROR ) 767 { 768 ret = startBracketing(value1); 769 } 770 771 if ( ret == NO_ERROR ) 772 { 773 ret = commitState(); 774 } 775 else 776 { 777 ret |= rollbackState(); 778 } 779 780 break; 781 782 } 783 784 case CameraAdapter::CAMERA_STOP_BRACKET_CAPTURE: 785 { 786 787 if ( ret == NO_ERROR ) 788 { 789 ret = setState(operation); 790 } 791 792 if ( ret == NO_ERROR ) 793 { 794 ret = stopBracketing(); 795 } 796 797 if ( ret == NO_ERROR ) 798 { 799 ret = commitState(); 800 } 801 else 802 { 803 ret |= rollbackState(); 804 } 805 806 break; 807 808 } 809 810 case CameraAdapter::CAMERA_PERFORM_AUTOFOCUS: 811 812 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 813 814 refTimestamp = ( struct timeval * ) value1; 815 if ( NULL != refTimestamp ) 816 { 817 memcpy( &mStartFocus, refTimestamp, sizeof( struct timeval )); 818 } 819 820 #endif 821 822 if ( ret == NO_ERROR ) 823 { 824 ret = setState(operation); 825 } 826 827 if ( ret == NO_ERROR ) 828 { 829 ret = autoFocus(); 830 } 831 832 if ( ret == NO_ERROR ) 833 { 834 ret = commitState(); 835 } 836 else 837 { 838 ret |= rollbackState(); 839 } 840 841 break; 842 843 case CameraAdapter::CAMERA_CANCEL_AUTOFOCUS: 844 845 if ( ret == NO_ERROR ) 846 { 847 ret = setState(operation); 848 } 849 850 if ( ret == NO_ERROR ) 851 { 852 ret = cancelAutoFocus(); 853 } 854 855 if ( ret == NO_ERROR ) 856 { 857 ret = commitState(); 858 } 859 else 860 { 861 ret |= rollbackState(); 862 } 863 864 break; 865 866 case CameraAdapter::CAMERA_QUERY_RESOLUTION_PREVIEW: 867 868 if ( ret == NO_ERROR ) 869 { 870 ret = setState(operation); 871 } 872 873 if ( ret == NO_ERROR ) 874 { 875 frame = ( CameraFrame * ) value1; 876 877 if ( NULL != frame ) 878 { 879 ret = getFrameSize(frame->mWidth, frame->mHeight); 880 } 881 else 882 { 883 ret = -EINVAL; 884 } 885 } 886 887 if ( ret == NO_ERROR ) 888 { 889 ret = commitState(); 890 } 891 else 892 { 893 ret |= rollbackState(); 894 } 895 896 break; 897 898 case CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: 899 900 if ( ret == NO_ERROR ) 901 { 902 ret = setState(operation); 903 } 904 905 if ( ret == NO_ERROR ) 906 { 907 frame = ( CameraFrame * ) value1; 908 909 if ( NULL != frame ) 910 { 911 ret = getPictureBufferSize(frame->mLength, value2); 912 } 913 else 914 { 915 ret = -EINVAL; 916 } 917 } 918 919 if ( ret == NO_ERROR ) 920 { 921 ret = commitState(); 922 } 923 else 924 { 925 ret |= rollbackState(); 926 } 927 928 break; 929 930 case CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: 931 932 if ( ret == NO_ERROR ) 933 { 934 ret = setState(operation); 935 } 936 937 if ( ret == NO_ERROR ) 938 { 939 frame = ( CameraFrame * ) value1; 940 941 if ( NULL != frame ) 942 { 943 ret = getFrameDataSize(frame->mLength, value2); 944 } 945 else 946 { 947 ret = -EINVAL; 948 } 949 } 950 951 if ( ret == NO_ERROR ) 952 { 953 ret = commitState(); 954 } 955 else 956 { 957 ret |= rollbackState(); 958 } 959 960 break; 961 962 case CameraAdapter::CAMERA_START_FD: 963 964 ret = startFaceDetection(); 965 966 break; 967 968 case CameraAdapter::CAMERA_STOP_FD: 969 970 ret = stopFaceDetection(); 971 972 break; 973 974 case CameraAdapter::CAMERA_SWITCH_TO_EXECUTING: 975 ret = switchToExecuting(); 976 break; 977 978 default: 979 CAMHAL_LOGEB("Command 0x%x unsupported!", operation); 980 break; 981 }; 982 983 LOG_FUNCTION_NAME_EXIT; 984 return ret; 985 } 986 987 status_t BaseCameraAdapter::notifyFocusSubscribers(CameraHalEvent::FocusStatus status) 988 { 989 event_callback eventCb; 990 CameraHalEvent focusEvent; 991 status_t ret = NO_ERROR; 992 993 LOG_FUNCTION_NAME; 994 995 if ( mFocusSubscribers.size() == 0 ) { 996 CAMHAL_LOGDA("No Focus Subscribers!"); 997 return NO_INIT; 998 } 999 1000 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 1001 if (status == CameraHalEvent::FOCUS_STATUS_PENDING) { 1002 gettimeofday(&mStartFocus, NULL); 1003 } else { 1004 //dump the AF latency 1005 CameraHal::PPM("Focus finished in: ", &mStartFocus); 1006 } 1007 #endif 1008 1009 focusEvent.mEventData = new CameraHalEvent::CameraHalEventData(); 1010 if ( NULL == focusEvent.mEventData.get() ) { 1011 return -ENOMEM; 1012 } 1013 1014 focusEvent.mEventType = CameraHalEvent::EVENT_FOCUS_LOCKED; 1015 focusEvent.mEventData->focusEvent.focusStatus = status; 1016 1017 for (unsigned int i = 0 ; i < mFocusSubscribers.size(); i++ ) 1018 { 1019 focusEvent.mCookie = (void *) mFocusSubscribers.keyAt(i); 1020 eventCb = (event_callback) mFocusSubscribers.valueAt(i); 1021 eventCb ( &focusEvent ); 1022 } 1023 1024 focusEvent.mEventData.clear(); 1025 1026 LOG_FUNCTION_NAME_EXIT; 1027 1028 return ret; 1029 } 1030 1031 status_t BaseCameraAdapter::notifyShutterSubscribers() 1032 { 1033 CameraHalEvent shutterEvent; 1034 event_callback eventCb; 1035 status_t ret = NO_ERROR; 1036 1037 LOG_FUNCTION_NAME; 1038 1039 if ( mShutterSubscribers.size() == 0 ) 1040 { 1041 CAMHAL_LOGEA("No shutter Subscribers!"); 1042 return NO_INIT; 1043 } 1044 1045 shutterEvent.mEventData = new CameraHalEvent::CameraHalEventData(); 1046 if ( NULL == shutterEvent.mEventData.get() ) { 1047 return -ENOMEM; 1048 } 1049 1050 shutterEvent.mEventType = CameraHalEvent::EVENT_SHUTTER; 1051 shutterEvent.mEventData->shutterEvent.shutterClosed = true; 1052 1053 for (unsigned int i = 0 ; i < mShutterSubscribers.size() ; i++ ) { 1054 shutterEvent.mCookie = ( void * ) mShutterSubscribers.keyAt(i); 1055 eventCb = ( event_callback ) mShutterSubscribers.valueAt(i); 1056 1057 CAMHAL_LOGDA("Sending shutter callback"); 1058 1059 eventCb ( &shutterEvent ); 1060 } 1061 1062 shutterEvent.mEventData.clear(); 1063 1064 LOG_FUNCTION_NAME; 1065 1066 return ret; 1067 } 1068 1069 status_t BaseCameraAdapter::notifyZoomSubscribers(int zoomIdx, bool targetReached) 1070 { 1071 event_callback eventCb; 1072 CameraHalEvent zoomEvent; 1073 status_t ret = NO_ERROR; 1074 1075 LOG_FUNCTION_NAME; 1076 1077 if ( mZoomSubscribers.size() == 0 ) { 1078 CAMHAL_LOGDA("No zoom Subscribers!"); 1079 return NO_INIT; 1080 } 1081 1082 zoomEvent.mEventData = new CameraHalEvent::CameraHalEventData(); 1083 if ( NULL == zoomEvent.mEventData.get() ) { 1084 return -ENOMEM; 1085 } 1086 1087 zoomEvent.mEventType = CameraHalEvent::EVENT_ZOOM_INDEX_REACHED; 1088 zoomEvent.mEventData->zoomEvent.currentZoomIndex = zoomIdx; 1089 zoomEvent.mEventData->zoomEvent.targetZoomIndexReached = targetReached; 1090 1091 for (unsigned int i = 0 ; i < mZoomSubscribers.size(); i++ ) { 1092 zoomEvent.mCookie = (void *) mZoomSubscribers.keyAt(i); 1093 eventCb = (event_callback) mZoomSubscribers.valueAt(i); 1094 1095 eventCb ( &zoomEvent ); 1096 } 1097 1098 zoomEvent.mEventData.clear(); 1099 1100 LOG_FUNCTION_NAME_EXIT; 1101 1102 return ret; 1103 } 1104 1105 status_t BaseCameraAdapter::notifyFaceSubscribers(sp<CameraFDResult> &faces) 1106 { 1107 event_callback eventCb; 1108 CameraHalEvent faceEvent; 1109 status_t ret = NO_ERROR; 1110 1111 LOG_FUNCTION_NAME; 1112 1113 if ( mFaceSubscribers.size() == 0 ) { 1114 CAMHAL_LOGDA("No face detection subscribers!"); 1115 return NO_INIT; 1116 } 1117 1118 faceEvent.mEventData = new CameraHalEvent::CameraHalEventData(); 1119 if ( NULL == faceEvent.mEventData.get() ) { 1120 return -ENOMEM; 1121 } 1122 1123 faceEvent.mEventType = CameraHalEvent::EVENT_FACE; 1124 faceEvent.mEventData->faceEvent = faces; 1125 1126 for (unsigned int i = 0 ; i < mFaceSubscribers.size(); i++ ) { 1127 faceEvent.mCookie = (void *) mFaceSubscribers.keyAt(i); 1128 eventCb = (event_callback) mFaceSubscribers.valueAt(i); 1129 1130 eventCb ( &faceEvent ); 1131 } 1132 1133 faceEvent.mEventData.clear(); 1134 1135 LOG_FUNCTION_NAME_EXIT; 1136 1137 return ret; 1138 } 1139 1140 status_t BaseCameraAdapter::sendFrameToSubscribers(CameraFrame *frame) 1141 { 1142 status_t ret = NO_ERROR; 1143 unsigned int mask; 1144 1145 if ( NULL == frame ) 1146 { 1147 CAMHAL_LOGEA("Invalid CameraFrame"); 1148 return -EINVAL; 1149 } 1150 1151 for( mask = 1; mask < CameraFrame::ALL_FRAMES; mask <<= 1){ 1152 if( mask & frame->mFrameMask ){ 1153 switch( mask ){ 1154 1155 case CameraFrame::IMAGE_FRAME: 1156 { 1157 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 1158 CameraHal::PPM("Shot to Jpeg: ", &mStartCapture); 1159 #endif 1160 ret = __sendFrameToSubscribers(frame, &mImageSubscribers, CameraFrame::IMAGE_FRAME); 1161 } 1162 break; 1163 case CameraFrame::RAW_FRAME: 1164 { 1165 ret = __sendFrameToSubscribers(frame, &mRawSubscribers, CameraFrame::RAW_FRAME); 1166 } 1167 break; 1168 case CameraFrame::PREVIEW_FRAME_SYNC: 1169 { 1170 ret = __sendFrameToSubscribers(frame, &mFrameSubscribers, CameraFrame::PREVIEW_FRAME_SYNC); 1171 } 1172 break; 1173 case CameraFrame::SNAPSHOT_FRAME: 1174 { 1175 ret = __sendFrameToSubscribers(frame, &mFrameSubscribers, CameraFrame::SNAPSHOT_FRAME); 1176 } 1177 break; 1178 case CameraFrame::VIDEO_FRAME_SYNC: 1179 { 1180 ret = __sendFrameToSubscribers(frame, &mVideoSubscribers, CameraFrame::VIDEO_FRAME_SYNC); 1181 } 1182 break; 1183 case CameraFrame::FRAME_DATA_SYNC: 1184 { 1185 ret = __sendFrameToSubscribers(frame, &mFrameDataSubscribers, CameraFrame::FRAME_DATA_SYNC); 1186 } 1187 break; 1188 default: 1189 CAMHAL_LOGEB("FRAMETYPE NOT SUPPORTED 0x%x", mask); 1190 break; 1191 }//SWITCH 1192 frame->mFrameMask &= ~mask; 1193 1194 if (ret != NO_ERROR) { 1195 goto EXIT; 1196 } 1197 }//IF 1198 }//FOR 1199 1200 EXIT: 1201 return ret; 1202 } 1203 1204 status_t BaseCameraAdapter::__sendFrameToSubscribers(CameraFrame* frame, 1205 KeyedVector<int, frame_callback> *subscribers, 1206 CameraFrame::FrameType frameType) 1207 { 1208 size_t refCount = 0; 1209 status_t ret = NO_ERROR; 1210 frame_callback callback = NULL; 1211 1212 frame->mFrameType = frameType; 1213 1214 if ( (frameType == CameraFrame::PREVIEW_FRAME_SYNC) || 1215 (frameType == CameraFrame::VIDEO_FRAME_SYNC) || 1216 (frameType == CameraFrame::SNAPSHOT_FRAME) ){ 1217 if (mFrameQueue.size() > 0){ 1218 CameraFrame *lframe = (CameraFrame *)mFrameQueue.valueFor(frame->mBuffer); 1219 frame->mYuv[0] = lframe->mYuv[0]; 1220 frame->mYuv[1] = lframe->mYuv[1]; 1221 } 1222 else{ 1223 CAMHAL_LOGDA("Empty Frame Queue"); 1224 return -EINVAL; 1225 } 1226 } 1227 1228 if (NULL != subscribers) { 1229 refCount = getFrameRefCount(frame->mBuffer, frameType); 1230 1231 if (refCount == 0) { 1232 CAMHAL_LOGDA("Invalid ref count of 0"); 1233 return -EINVAL; 1234 } 1235 1236 if (refCount > subscribers->size()) { 1237 CAMHAL_LOGEB("Invalid ref count for frame type: 0x%x", frameType); 1238 return -EINVAL; 1239 } 1240 1241 CAMHAL_LOGVB("Type of Frame: 0x%x address: 0x%x refCount start %d", 1242 frame->mFrameType, 1243 ( uint32_t ) frame->mBuffer, 1244 refCount); 1245 1246 for ( unsigned int i = 0 ; i < refCount; i++ ) { 1247 frame->mCookie = ( void * ) subscribers->keyAt(i); 1248 callback = (frame_callback) subscribers->valueAt(i); 1249 1250 if (!callback) { 1251 CAMHAL_LOGEB("callback not set for frame type: 0x%x", frameType); 1252 return -EINVAL; 1253 } 1254 1255 callback(frame); 1256 } 1257 } else { 1258 CAMHAL_LOGEA("Subscribers is null??"); 1259 return -EINVAL; 1260 } 1261 1262 return ret; 1263 } 1264 1265 int BaseCameraAdapter::setInitFrameRefCount(void* buf, unsigned int mask) 1266 { 1267 int ret = NO_ERROR; 1268 unsigned int lmask; 1269 1270 LOG_FUNCTION_NAME; 1271 1272 if (buf == NULL) 1273 { 1274 return -EINVAL; 1275 } 1276 1277 for( lmask = 1; lmask < CameraFrame::ALL_FRAMES; lmask <<= 1){ 1278 if( lmask & mask ){ 1279 switch( lmask ){ 1280 1281 case CameraFrame::IMAGE_FRAME: 1282 { 1283 setFrameRefCount(buf, CameraFrame::IMAGE_FRAME, (int) mImageSubscribers.size()); 1284 } 1285 break; 1286 case CameraFrame::RAW_FRAME: 1287 { 1288 setFrameRefCount(buf, CameraFrame::RAW_FRAME, mRawSubscribers.size()); 1289 } 1290 break; 1291 case CameraFrame::PREVIEW_FRAME_SYNC: 1292 { 1293 setFrameRefCount(buf, CameraFrame::PREVIEW_FRAME_SYNC, mFrameSubscribers.size()); 1294 } 1295 break; 1296 case CameraFrame::SNAPSHOT_FRAME: 1297 { 1298 setFrameRefCount(buf, CameraFrame::SNAPSHOT_FRAME, mFrameSubscribers.size()); 1299 } 1300 break; 1301 case CameraFrame::VIDEO_FRAME_SYNC: 1302 { 1303 setFrameRefCount(buf,CameraFrame::VIDEO_FRAME_SYNC, mVideoSubscribers.size()); 1304 } 1305 break; 1306 case CameraFrame::FRAME_DATA_SYNC: 1307 { 1308 setFrameRefCount(buf, CameraFrame::FRAME_DATA_SYNC, mFrameDataSubscribers.size()); 1309 } 1310 break; 1311 default: 1312 CAMHAL_LOGEB("FRAMETYPE NOT SUPPORTED 0x%x", lmask); 1313 break; 1314 }//SWITCH 1315 mask &= ~lmask; 1316 }//IF 1317 }//FOR 1318 LOG_FUNCTION_NAME_EXIT; 1319 return ret; 1320 } 1321 1322 int BaseCameraAdapter::getFrameRefCount(void* frameBuf, CameraFrame::FrameType frameType) 1323 { 1324 int res = -1; 1325 1326 LOG_FUNCTION_NAME; 1327 1328 switch ( frameType ) 1329 { 1330 case CameraFrame::IMAGE_FRAME: 1331 case CameraFrame::RAW_FRAME: 1332 { 1333 Mutex::Autolock lock(mCaptureBufferLock); 1334 res = mCaptureBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); 1335 } 1336 break; 1337 case CameraFrame::PREVIEW_FRAME_SYNC: 1338 case CameraFrame::SNAPSHOT_FRAME: 1339 { 1340 Mutex::Autolock lock(mPreviewBufferLock); 1341 res = mPreviewBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); 1342 } 1343 break; 1344 case CameraFrame::FRAME_DATA_SYNC: 1345 { 1346 Mutex::Autolock lock(mPreviewDataBufferLock); 1347 res = mPreviewDataBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); 1348 } 1349 break; 1350 case CameraFrame::VIDEO_FRAME_SYNC: 1351 { 1352 Mutex::Autolock lock(mVideoBufferLock); 1353 res = mVideoBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); 1354 } 1355 break; 1356 default: 1357 break; 1358 }; 1359 1360 LOG_FUNCTION_NAME_EXIT; 1361 1362 return res; 1363 } 1364 1365 void BaseCameraAdapter::setFrameRefCount(void* frameBuf, CameraFrame::FrameType frameType, int refCount) 1366 { 1367 1368 LOG_FUNCTION_NAME; 1369 1370 switch ( frameType ) 1371 { 1372 case CameraFrame::IMAGE_FRAME: 1373 case CameraFrame::RAW_FRAME: 1374 { 1375 Mutex::Autolock lock(mCaptureBufferLock); 1376 mCaptureBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); 1377 } 1378 break; 1379 case CameraFrame::PREVIEW_FRAME_SYNC: 1380 case CameraFrame::SNAPSHOT_FRAME: 1381 { 1382 Mutex::Autolock lock(mPreviewBufferLock); 1383 mPreviewBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); 1384 } 1385 break; 1386 case CameraFrame::FRAME_DATA_SYNC: 1387 { 1388 Mutex::Autolock lock(mPreviewDataBufferLock); 1389 mPreviewDataBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); 1390 } 1391 break; 1392 case CameraFrame::VIDEO_FRAME_SYNC: 1393 { 1394 Mutex::Autolock lock(mVideoBufferLock); 1395 mVideoBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); 1396 } 1397 break; 1398 default: 1399 break; 1400 }; 1401 1402 LOG_FUNCTION_NAME_EXIT; 1403 1404 } 1405 1406 status_t BaseCameraAdapter::startVideoCapture() 1407 { 1408 status_t ret = NO_ERROR; 1409 1410 LOG_FUNCTION_NAME; 1411 1412 Mutex::Autolock lock(mVideoBufferLock); 1413 1414 //If the capture is already ongoing, return from here. 1415 if ( mRecording ) 1416 { 1417 ret = NO_INIT; 1418 } 1419 1420 1421 if ( NO_ERROR == ret ) 1422 { 1423 1424 mVideoBuffersAvailable.clear(); 1425 1426 for ( unsigned int i = 0 ; i < mPreviewBuffersAvailable.size() ; i++ ) 1427 { 1428 mVideoBuffersAvailable.add(mPreviewBuffersAvailable.keyAt(i), 0); 1429 } 1430 1431 mRecording = true; 1432 } 1433 1434 LOG_FUNCTION_NAME_EXIT; 1435 1436 return ret; 1437 } 1438 1439 status_t BaseCameraAdapter::stopVideoCapture() 1440 { 1441 status_t ret = NO_ERROR; 1442 1443 LOG_FUNCTION_NAME; 1444 1445 if ( !mRecording ) 1446 { 1447 ret = NO_INIT; 1448 } 1449 1450 if ( NO_ERROR == ret ) 1451 { 1452 for ( unsigned int i = 0 ; i < mVideoBuffersAvailable.size() ; i++ ) 1453 { 1454 void *frameBuf = ( void * ) mVideoBuffersAvailable.keyAt(i); 1455 if( getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC) > 0) 1456 { 1457 returnFrame(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); 1458 } 1459 } 1460 1461 mRecording = false; 1462 } 1463 1464 LOG_FUNCTION_NAME_EXIT; 1465 1466 return ret; 1467 } 1468 1469 //-----------------Stub implementation of the interface ------------------------------ 1470 1471 status_t BaseCameraAdapter::takePicture() 1472 { 1473 status_t ret = NO_ERROR; 1474 1475 LOG_FUNCTION_NAME; 1476 1477 LOG_FUNCTION_NAME_EXIT; 1478 1479 return ret; 1480 } 1481 1482 status_t BaseCameraAdapter::stopImageCapture() 1483 { 1484 status_t ret = NO_ERROR; 1485 1486 LOG_FUNCTION_NAME; 1487 1488 LOG_FUNCTION_NAME_EXIT; 1489 1490 return ret; 1491 } 1492 1493 status_t BaseCameraAdapter::startBracketing(int range) 1494 { 1495 status_t ret = NO_ERROR; 1496 1497 LOG_FUNCTION_NAME; 1498 1499 LOG_FUNCTION_NAME_EXIT; 1500 1501 return ret; 1502 } 1503 1504 status_t BaseCameraAdapter::stopBracketing() 1505 { 1506 status_t ret = NO_ERROR; 1507 1508 LOG_FUNCTION_NAME; 1509 1510 LOG_FUNCTION_NAME_EXIT; 1511 1512 return ret; 1513 } 1514 1515 status_t BaseCameraAdapter::autoFocus() 1516 { 1517 status_t ret = NO_ERROR; 1518 1519 LOG_FUNCTION_NAME; 1520 1521 notifyFocusSubscribers(CameraHalEvent::FOCUS_STATUS_FAIL); 1522 1523 LOG_FUNCTION_NAME_EXIT; 1524 1525 return ret; 1526 } 1527 1528 status_t BaseCameraAdapter::cancelAutoFocus() 1529 { 1530 status_t ret = NO_ERROR; 1531 1532 LOG_FUNCTION_NAME; 1533 1534 LOG_FUNCTION_NAME_EXIT; 1535 1536 return ret; 1537 } 1538 1539 status_t BaseCameraAdapter::startSmoothZoom(int targetIdx) 1540 { 1541 status_t ret = NO_ERROR; 1542 1543 LOG_FUNCTION_NAME; 1544 1545 LOG_FUNCTION_NAME_EXIT; 1546 1547 return ret; 1548 } 1549 1550 status_t BaseCameraAdapter::stopSmoothZoom() 1551 { 1552 status_t ret = NO_ERROR; 1553 1554 LOG_FUNCTION_NAME; 1555 1556 LOG_FUNCTION_NAME_EXIT; 1557 1558 return ret; 1559 } 1560 1561 status_t BaseCameraAdapter::startPreview() 1562 { 1563 status_t ret = NO_ERROR; 1564 1565 LOG_FUNCTION_NAME; 1566 1567 LOG_FUNCTION_NAME_EXIT; 1568 1569 return ret; 1570 } 1571 1572 status_t BaseCameraAdapter::stopPreview() 1573 { 1574 status_t ret = NO_ERROR; 1575 1576 LOG_FUNCTION_NAME; 1577 1578 LOG_FUNCTION_NAME_EXIT; 1579 1580 return ret; 1581 } 1582 1583 status_t BaseCameraAdapter::useBuffers(CameraMode mode, void* bufArr, int num, size_t length, unsigned int queueable) 1584 { 1585 status_t ret = NO_ERROR; 1586 1587 LOG_FUNCTION_NAME; 1588 1589 LOG_FUNCTION_NAME_EXIT; 1590 1591 return ret; 1592 } 1593 1594 status_t BaseCameraAdapter::fillThisBuffer(void* frameBuf, CameraFrame::FrameType frameType) 1595 { 1596 status_t ret = NO_ERROR; 1597 1598 LOG_FUNCTION_NAME; 1599 1600 LOG_FUNCTION_NAME_EXIT; 1601 1602 return ret; 1603 } 1604 1605 status_t BaseCameraAdapter::getFrameSize(size_t &width, size_t &height) 1606 { 1607 status_t ret = NO_ERROR; 1608 1609 LOG_FUNCTION_NAME; 1610 1611 LOG_FUNCTION_NAME_EXIT; 1612 1613 return ret; 1614 } 1615 1616 status_t BaseCameraAdapter::getFrameDataSize(size_t &dataFrameSize, size_t bufferCount) 1617 { 1618 status_t ret = NO_ERROR; 1619 1620 LOG_FUNCTION_NAME; 1621 1622 LOG_FUNCTION_NAME_EXIT; 1623 1624 return ret; 1625 } 1626 1627 status_t BaseCameraAdapter::getPictureBufferSize(size_t &length, size_t bufferCount) 1628 { 1629 status_t ret = NO_ERROR; 1630 1631 LOG_FUNCTION_NAME; 1632 1633 LOG_FUNCTION_NAME_EXIT; 1634 1635 return ret; 1636 } 1637 1638 status_t BaseCameraAdapter::startFaceDetection() 1639 { 1640 status_t ret = NO_ERROR; 1641 1642 LOG_FUNCTION_NAME; 1643 1644 LOG_FUNCTION_NAME_EXIT; 1645 1646 return ret; 1647 } 1648 1649 status_t BaseCameraAdapter::stopFaceDetection() 1650 { 1651 status_t ret = NO_ERROR; 1652 1653 LOG_FUNCTION_NAME; 1654 1655 LOG_FUNCTION_NAME_EXIT; 1656 1657 return ret; 1658 } 1659 1660 status_t BaseCameraAdapter::switchToExecuting() 1661 { 1662 status_t ret = NO_ERROR; 1663 LOG_FUNCTION_NAME; 1664 LOG_FUNCTION_NAME_EXIT; 1665 return ret; 1666 } 1667 1668 status_t BaseCameraAdapter::setState(CameraCommands operation) 1669 { 1670 status_t ret = NO_ERROR; 1671 1672 LOG_FUNCTION_NAME; 1673 1674 mLock.lock(); 1675 1676 switch ( mAdapterState ) 1677 { 1678 1679 case INTIALIZED_STATE: 1680 1681 switch ( operation ) 1682 { 1683 1684 case CAMERA_USE_BUFFERS_PREVIEW: 1685 CAMHAL_LOGDB("Adapter state switch INTIALIZED_STATE->LOADED_PREVIEW_STATE event = 0x%x", 1686 operation); 1687 mNextState = LOADED_PREVIEW_STATE; 1688 break; 1689 1690 //These events don't change the current state 1691 case CAMERA_QUERY_RESOLUTION_PREVIEW: 1692 case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: 1693 case CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: 1694 CAMHAL_LOGDB("Adapter state switch INTIALIZED_STATE->INTIALIZED_STATE event = 0x%x", 1695 operation); 1696 mNextState = INTIALIZED_STATE; 1697 break; 1698 1699 case CAMERA_CANCEL_AUTOFOCUS: 1700 case CAMERA_STOP_BRACKET_CAPTURE: 1701 case CAMERA_STOP_IMAGE_CAPTURE: 1702 ret = INVALID_OPERATION; 1703 break; 1704 1705 default: 1706 CAMHAL_LOGEB("Adapter state switch INTIALIZED_STATE Invalid Op! event = 0x%x", 1707 operation); 1708 ret = INVALID_OPERATION; 1709 break; 1710 1711 } 1712 1713 break; 1714 1715 case LOADED_PREVIEW_STATE: 1716 1717 switch ( operation ) 1718 { 1719 1720 case CAMERA_START_PREVIEW: 1721 CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->PREVIEW_STATE event = 0x%x", 1722 operation); 1723 mNextState = PREVIEW_STATE; 1724 break; 1725 1726 case CAMERA_STOP_PREVIEW: 1727 CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->INTIALIZED_STATE event = 0x%x", 1728 operation); 1729 mNextState = INTIALIZED_STATE; 1730 break; 1731 1732 //These events don't change the current state 1733 case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: 1734 case CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: 1735 case CAMERA_USE_BUFFERS_PREVIEW_DATA: 1736 CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->LOADED_PREVIEW_STATE event = 0x%x", 1737 operation); 1738 mNextState = LOADED_PREVIEW_STATE; 1739 break; 1740 1741 default: 1742 CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW Invalid Op! event = 0x%x", 1743 operation); 1744 ret = INVALID_OPERATION; 1745 break; 1746 1747 } 1748 1749 break; 1750 1751 case PREVIEW_STATE: 1752 1753 switch ( operation ) 1754 { 1755 1756 case CAMERA_STOP_PREVIEW: 1757 CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->INTIALIZED_STATE event = 0x%x", 1758 operation); 1759 mNextState = INTIALIZED_STATE; 1760 break; 1761 1762 case CAMERA_PERFORM_AUTOFOCUS: 1763 CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->AF_STATE event = 0x%x", 1764 operation); 1765 mNextState = AF_STATE; 1766 break; 1767 1768 case CAMERA_START_SMOOTH_ZOOM: 1769 CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->ZOOM_STATE event = 0x%x", 1770 operation); 1771 mNextState = ZOOM_STATE; 1772 break; 1773 1774 case CAMERA_USE_BUFFERS_IMAGE_CAPTURE: 1775 CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->LOADED_CAPTURE_STATE event = 0x%x", 1776 operation); 1777 mNextState = LOADED_CAPTURE_STATE; 1778 break; 1779 1780 case CAMERA_START_VIDEO: 1781 CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->VIDEO_STATE event = 0x%x", 1782 operation); 1783 mNextState = VIDEO_STATE; 1784 break; 1785 1786 case CAMERA_CANCEL_AUTOFOCUS: 1787 case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: 1788 case CAMERA_STOP_SMOOTH_ZOOM: 1789 CAMHAL_LOGDB("Adapter state switch PREVIEW_ACTIVE->PREVIEW_ACTIVE event = 0x%x", 1790 operation); 1791 mNextState = PREVIEW_STATE; 1792 break; 1793 1794 default: 1795 CAMHAL_LOGEB("Adapter state switch PREVIEW_ACTIVE Invalid Op! event = 0x%x", 1796 operation); 1797 ret = INVALID_OPERATION; 1798 break; 1799 1800 } 1801 1802 break; 1803 1804 case LOADED_CAPTURE_STATE: 1805 1806 switch ( operation ) 1807 { 1808 1809 case CAMERA_START_IMAGE_CAPTURE: 1810 CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->CAPTURE_STATE event = 0x%x", 1811 operation); 1812 mNextState = CAPTURE_STATE; 1813 break; 1814 1815 case CAMERA_START_BRACKET_CAPTURE: 1816 CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->BRACKETING_STATE event = 0x%x", 1817 operation); 1818 mNextState = BRACKETING_STATE; 1819 break; 1820 1821 default: 1822 CAMHAL_LOGEB("Adapter state switch LOADED_CAPTURE_STATE Invalid Op! event = 0x%x", 1823 operation); 1824 ret = INVALID_OPERATION; 1825 break; 1826 1827 } 1828 1829 break; 1830 1831 case CAPTURE_STATE: 1832 1833 switch ( operation ) 1834 { 1835 case CAMERA_STOP_IMAGE_CAPTURE: 1836 case CAMERA_STOP_BRACKET_CAPTURE: 1837 CAMHAL_LOGDB("Adapter state switch CAPTURE_STATE->PREVIEW_STATE event = 0x%x", 1838 operation); 1839 mNextState = PREVIEW_STATE; 1840 break; 1841 1842 default: 1843 CAMHAL_LOGEB("Adapter state switch CAPTURE_STATE Invalid Op! event = 0x%x", 1844 operation); 1845 ret = INVALID_OPERATION; 1846 break; 1847 1848 } 1849 1850 break; 1851 1852 case BRACKETING_STATE: 1853 1854 switch ( operation ) 1855 { 1856 1857 case CAMERA_STOP_IMAGE_CAPTURE: 1858 case CAMERA_STOP_BRACKET_CAPTURE: 1859 CAMHAL_LOGDB("Adapter state switch BRACKETING_STATE->PREVIEW_STATE event = 0x%x", 1860 operation); 1861 mNextState = PREVIEW_STATE; 1862 break; 1863 1864 case CAMERA_START_IMAGE_CAPTURE: 1865 CAMHAL_LOGDB("Adapter state switch BRACKETING_STATE->CAPTURE_STATE event = 0x%x", 1866 operation); 1867 mNextState = CAPTURE_STATE; 1868 break; 1869 1870 default: 1871 CAMHAL_LOGEB("Adapter state switch BRACKETING_STATE Invalid Op! event = 0x%x", 1872 operation); 1873 ret = INVALID_OPERATION; 1874 break; 1875 1876 } 1877 1878 break; 1879 1880 case AF_STATE: 1881 1882 switch ( operation ) 1883 { 1884 1885 case CAMERA_CANCEL_AUTOFOCUS: 1886 CAMHAL_LOGDB("Adapter state switch AF_STATE->PREVIEW_STATE event = 0x%x", 1887 operation); 1888 mNextState = PREVIEW_STATE; 1889 break; 1890 1891 case CAMERA_START_IMAGE_CAPTURE: 1892 CAMHAL_LOGDB("Adapter state switch AF_STATE->CAPTURE_STATE event = 0x%x", 1893 operation); 1894 mNextState = CAPTURE_STATE; 1895 break; 1896 1897 case CAMERA_START_SMOOTH_ZOOM: 1898 CAMHAL_LOGDB("Adapter state switch AF_STATE->AF_ZOOM_STATE event = 0x%x", 1899 operation); 1900 mNextState = AF_ZOOM_STATE; 1901 break; 1902 1903 default: 1904 CAMHAL_LOGEB("Adapter state switch AF_STATE Invalid Op! event = 0x%x", 1905 operation); 1906 ret = INVALID_OPERATION; 1907 break; 1908 1909 } 1910 1911 break; 1912 1913 case ZOOM_STATE: 1914 1915 switch ( operation ) 1916 { 1917 1918 case CAMERA_CANCEL_AUTOFOCUS: 1919 CAMHAL_LOGDB("Adapter state switch AF_STATE->PREVIEW_STATE event = 0x%x", 1920 operation); 1921 mNextState = ZOOM_STATE; 1922 break; 1923 1924 case CAMERA_STOP_SMOOTH_ZOOM: 1925 CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->PREVIEW_STATE event = 0x%x", 1926 operation); 1927 mNextState = PREVIEW_STATE; 1928 break; 1929 1930 case CAMERA_PERFORM_AUTOFOCUS: 1931 CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->AF_ZOOM_STATE event = 0x%x", 1932 operation); 1933 mNextState = AF_ZOOM_STATE; 1934 break; 1935 1936 case CAMERA_START_VIDEO: 1937 CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->VIDEO_ZOOM_STATE event = 0x%x", 1938 operation); 1939 mNextState = VIDEO_ZOOM_STATE; 1940 break; 1941 1942 default: 1943 CAMHAL_LOGEB("Adapter state switch ZOOM_STATE Invalid Op! event = 0x%x", 1944 operation); 1945 ret = INVALID_OPERATION; 1946 break; 1947 1948 } 1949 1950 break; 1951 1952 case VIDEO_STATE: 1953 1954 switch ( operation ) 1955 { 1956 1957 case CAMERA_STOP_VIDEO: 1958 CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->PREVIEW_STATE event = 0x%x", 1959 operation); 1960 mNextState = PREVIEW_STATE; 1961 break; 1962 1963 case CAMERA_PERFORM_AUTOFOCUS: 1964 CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_AF_STATE event = 0x%x", 1965 operation); 1966 mNextState = VIDEO_AF_STATE; 1967 break; 1968 1969 case CAMERA_START_SMOOTH_ZOOM: 1970 CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_ZOOM_STATE event = 0x%x", 1971 operation); 1972 mNextState = VIDEO_ZOOM_STATE; 1973 break; 1974 1975 case CAMERA_USE_BUFFERS_IMAGE_CAPTURE: 1976 CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_LOADED_CAPTURE_STATE event = 0x%x", 1977 operation); 1978 mNextState = VIDEO_LOADED_CAPTURE_STATE; 1979 break; 1980 1981 case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: 1982 CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_STATE event = 0x%x", 1983 operation); 1984 mNextState = VIDEO_STATE; 1985 break; 1986 1987 default: 1988 CAMHAL_LOGEB("Adapter state switch VIDEO_STATE Invalid Op! event = 0x%x", 1989 operation); 1990 ret = INVALID_OPERATION; 1991 break; 1992 1993 } 1994 1995 break; 1996 1997 case VIDEO_AF_STATE: 1998 1999 switch ( operation ) 2000 { 2001 2002 case CAMERA_CANCEL_AUTOFOCUS: 2003 CAMHAL_LOGDB("Adapter state switch VIDEO_AF_STATE->VIDEO_STATE event = 0x%x", 2004 operation); 2005 mNextState = VIDEO_STATE; 2006 break; 2007 2008 default: 2009 CAMHAL_LOGEB("Adapter state switch VIDEO_AF_STATE Invalid Op! event = 0x%x", 2010 operation); 2011 ret = INVALID_OPERATION; 2012 break; 2013 2014 } 2015 2016 break; 2017 2018 case VIDEO_LOADED_CAPTURE_STATE: 2019 2020 switch ( operation ) 2021 { 2022 2023 case CAMERA_START_IMAGE_CAPTURE: 2024 CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->CAPTURE_STATE event = 0x%x", 2025 operation); 2026 mNextState = VIDEO_CAPTURE_STATE; 2027 break; 2028 2029 default: 2030 CAMHAL_LOGEB("Adapter state switch LOADED_CAPTURE_STATE Invalid Op! event = 0x%x", 2031 operation); 2032 ret = INVALID_OPERATION; 2033 break; 2034 2035 } 2036 2037 break; 2038 2039 case VIDEO_CAPTURE_STATE: 2040 2041 switch ( operation ) 2042 { 2043 case CAMERA_STOP_IMAGE_CAPTURE: 2044 CAMHAL_LOGDB("Adapter state switch CAPTURE_STATE->PREVIEW_STATE event = 0x%x", 2045 operation); 2046 mNextState = VIDEO_STATE; 2047 break; 2048 2049 default: 2050 CAMHAL_LOGEB("Adapter state switch CAPTURE_STATE Invalid Op! event = 0x%x", 2051 operation); 2052 ret = INVALID_OPERATION; 2053 break; 2054 2055 } 2056 2057 break; 2058 2059 case AF_ZOOM_STATE: 2060 2061 switch ( operation ) 2062 { 2063 2064 case CAMERA_STOP_SMOOTH_ZOOM: 2065 CAMHAL_LOGDB("Adapter state switch AF_ZOOM_STATE->AF_STATE event = 0x%x", 2066 operation); 2067 mNextState = AF_STATE; 2068 break; 2069 2070 case CAMERA_CANCEL_AUTOFOCUS: 2071 CAMHAL_LOGDB("Adapter state switch AF_ZOOM_STATE->ZOOM_STATE event = 0x%x", 2072 operation); 2073 mNextState = ZOOM_STATE; 2074 break; 2075 2076 default: 2077 CAMHAL_LOGEB("Adapter state switch AF_ZOOM_STATE Invalid Op! event = 0x%x", 2078 operation); 2079 ret = INVALID_OPERATION; 2080 break; 2081 2082 } 2083 2084 break; 2085 2086 case VIDEO_ZOOM_STATE: 2087 2088 switch ( operation ) 2089 { 2090 2091 case CAMERA_STOP_SMOOTH_ZOOM: 2092 CAMHAL_LOGDB("Adapter state switch VIDEO_ZOOM_STATE->VIDEO_STATE event = 0x%x", 2093 operation); 2094 mNextState = VIDEO_STATE; 2095 break; 2096 2097 case CAMERA_STOP_VIDEO: 2098 CAMHAL_LOGDB("Adapter state switch VIDEO_ZOOM_STATE->ZOOM_STATE event = 0x%x", 2099 operation); 2100 mNextState = ZOOM_STATE; 2101 break; 2102 2103 default: 2104 CAMHAL_LOGEB("Adapter state switch VIDEO_ZOOM_STATE Invalid Op! event = 0x%x", 2105 operation); 2106 ret = INVALID_OPERATION; 2107 break; 2108 2109 } 2110 2111 break; 2112 2113 case BRACKETING_ZOOM_STATE: 2114 2115 switch ( operation ) 2116 { 2117 2118 case CAMERA_STOP_SMOOTH_ZOOM: 2119 CAMHAL_LOGDB("Adapter state switch BRACKETING_ZOOM_STATE->BRACKETING_STATE event = 0x%x", 2120 operation); 2121 mNextState = BRACKETING_STATE; 2122 break; 2123 2124 default: 2125 CAMHAL_LOGEB("Adapter state switch BRACKETING_ZOOM_STATE Invalid Op! event = 0x%x", 2126 operation); 2127 ret = INVALID_OPERATION; 2128 break; 2129 2130 } 2131 2132 break; 2133 2134 default: 2135 CAMHAL_LOGEA("Invalid Adapter state!"); 2136 ret = INVALID_OPERATION; 2137 } 2138 2139 LOG_FUNCTION_NAME_EXIT; 2140 2141 return ret; 2142 } 2143 2144 status_t BaseCameraAdapter::rollbackToInitializedState() 2145 { 2146 status_t ret = NO_ERROR; 2147 2148 LOG_FUNCTION_NAME; 2149 2150 while ((getState() != INTIALIZED_STATE) && (ret == NO_ERROR)) { 2151 ret = rollbackToPreviousState(); 2152 } 2153 2154 LOG_FUNCTION_NAME_EXIT; 2155 2156 return ret; 2157 } 2158 2159 status_t BaseCameraAdapter::rollbackToPreviousState() 2160 { 2161 status_t ret = NO_ERROR; 2162 2163 LOG_FUNCTION_NAME; 2164 2165 CameraAdapter::AdapterState currentState = getState(); 2166 2167 switch (currentState) { 2168 case INTIALIZED_STATE: 2169 return NO_ERROR; 2170 2171 case PREVIEW_STATE: 2172 ret = sendCommand(CAMERA_STOP_PREVIEW); 2173 break; 2174 2175 case CAPTURE_STATE: 2176 ret = sendCommand(CAMERA_STOP_IMAGE_CAPTURE); 2177 break; 2178 2179 case BRACKETING_STATE: 2180 ret = sendCommand(CAMERA_STOP_BRACKET_CAPTURE); 2181 break; 2182 2183 case AF_STATE: 2184 ret = sendCommand(CAMERA_CANCEL_AUTOFOCUS); 2185 break; 2186 2187 case ZOOM_STATE: 2188 ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); 2189 break; 2190 2191 case VIDEO_STATE: 2192 ret = sendCommand(CAMERA_STOP_VIDEO); 2193 break; 2194 2195 case VIDEO_AF_STATE: 2196 ret = sendCommand(CAMERA_CANCEL_AUTOFOCUS); 2197 break; 2198 2199 case VIDEO_CAPTURE_STATE: 2200 ret = sendCommand(CAMERA_STOP_IMAGE_CAPTURE); 2201 break; 2202 2203 case AF_ZOOM_STATE: 2204 ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); 2205 break; 2206 2207 case VIDEO_ZOOM_STATE: 2208 ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); 2209 break; 2210 2211 case BRACKETING_ZOOM_STATE: 2212 ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); 2213 break; 2214 2215 default: 2216 CAMHAL_LOGEA("Invalid Adapter state!"); 2217 ret = INVALID_OPERATION; 2218 } 2219 2220 LOG_FUNCTION_NAME_EXIT; 2221 2222 return ret; 2223 } 2224 2225 //State transition finished successfully. 2226 //Commit the state and unlock the adapter state. 2227 status_t BaseCameraAdapter::commitState() 2228 { 2229 status_t ret = NO_ERROR; 2230 2231 LOG_FUNCTION_NAME; 2232 2233 mAdapterState = mNextState; 2234 2235 mLock.unlock(); 2236 2237 LOG_FUNCTION_NAME_EXIT; 2238 2239 return ret; 2240 } 2241 2242 status_t BaseCameraAdapter::rollbackState() 2243 { 2244 status_t ret = NO_ERROR; 2245 2246 LOG_FUNCTION_NAME; 2247 2248 mNextState = mAdapterState; 2249 2250 mLock.unlock(); 2251 2252 LOG_FUNCTION_NAME_EXIT; 2253 2254 return ret; 2255 } 2256 2257 // getNextState() and getState() 2258 // publicly exposed functions to retrieve the adapter states 2259 // please notice that these functions are locked 2260 CameraAdapter::AdapterState BaseCameraAdapter::getState() 2261 { 2262 status_t ret = NO_ERROR; 2263 2264 LOG_FUNCTION_NAME; 2265 2266 Mutex::Autolock lock(mLock); 2267 2268 LOG_FUNCTION_NAME_EXIT; 2269 2270 return mAdapterState; 2271 } 2272 2273 CameraAdapter::AdapterState BaseCameraAdapter::getNextState() 2274 { 2275 status_t ret = NO_ERROR; 2276 2277 LOG_FUNCTION_NAME; 2278 2279 Mutex::Autolock lock(mLock); 2280 2281 LOG_FUNCTION_NAME_EXIT; 2282 2283 return mNextState; 2284 } 2285 2286 // getNextState() and getState() 2287 // internal protected functions to retrieve the adapter states 2288 // please notice that these functions are NOT locked to help 2289 // internal functions query state in the middle of state 2290 // transition 2291 status_t BaseCameraAdapter::getState(AdapterState &state) 2292 { 2293 status_t ret = NO_ERROR; 2294 2295 LOG_FUNCTION_NAME; 2296 2297 state = mAdapterState; 2298 2299 LOG_FUNCTION_NAME_EXIT; 2300 2301 return ret; 2302 } 2303 2304 status_t BaseCameraAdapter::getNextState(AdapterState &state) 2305 { 2306 status_t ret = NO_ERROR; 2307 2308 LOG_FUNCTION_NAME; 2309 2310 state = mNextState; 2311 2312 LOG_FUNCTION_NAME_EXIT; 2313 2314 return ret; 2315 } 2316 2317 void BaseCameraAdapter::onOrientationEvent(uint32_t orientation, uint32_t tilt) 2318 { 2319 LOG_FUNCTION_NAME; 2320 LOG_FUNCTION_NAME_EXIT; 2321 } 2322 //----------------------------------------------------------------------------- 2323 2324 2325 2326 }; 2327 2328 /*--------------------Camera Adapter Class ENDS here-----------------------------*/ 2329 2330
